Does the menstrual cycle change body temperature?

Yes, by a small amount. After ovulation, in the luteal phase, higher progesterone raises the body's temperature set point, and resting core temperature runs about 0.3 to 0.5°C higher than in the follicular phase (Stephenson & Kolka 1985; Charkoudian & Stachenfeld 2014).

Why might I sweat differently after ovulation?

Because the temperature set point rises in the luteal phase, sweating and skin blood flow begin at a higher core temperature. The body waits slightly longer before it starts cooling, though the pace of sweating once it begins is broadly unchanged.

Does the cycle make me sweat more overall?

Not exactly. The main change is when sweating starts, not how much the glands can produce. The effect on total daily sweat is subtle, and it varies a lot between individuals.

Is it harder to exercise in the heat during the luteal phase?

It can feel that way. A higher sweating threshold means heat builds up a little longer before cooling kicks in, which can add to thermal strain during exercise in hot conditions. Studies on performance itself are mixed.

Do hot flashes at menopause work the same way?

They are related but distinct. Both involve reproductive hormones and thermoregulation, but hot flashes reflect a narrowed thermoregulatory comfort zone during the menopause transition, a different mechanism from the small cyclic set-point shift described here.

Is this page medical advice?

No. It summarizes verified figures from published studies. Sweating that is sudden, drenching, or unrelated to heat, exertion, or the cycle is worth discussing with a clinician.

Research

The Menstrual Cycle, Body Temperature, and Sweating

The menstrual cycle carries a small, measurable temperature rhythm, and that rhythm changes when the body starts to sweat. After ovulation, in the luteal phase, progesterone rises and the body's temperature set point shifts upward: resting core temperature runs about 0.3 to 0.5°C higher than in the follicular phase, and the core temperature at which sweating and skin blood flow begin is pushed higher too. The sensitivity of the sweat response, how fast sweating ramps up once it starts, stays about the same (Stephenson and Kolka 1985; Charkoudian and Stachenfeld 2014). This page traces each figure to its source. It is general education, not medical advice.

By the Sweat Explained Editorial Team · Published 2026-07-20 · Last reviewed 2026-07-20 · Educational information, not medical advice.

Key statistics at a glance

0.3-0.5°C
higher resting core temperature in the luteal phase than the follicular phase, linked to progesterone
Stephenson & Kolka 1985; Charkoudian & Stachenfeld 2014
rightward shift
the core temperature threshold for the onset of sweating moves higher in the luteal phase
Stephenson & Kolka 1985
unchanged
the sensitivity (slope) of sweat rate versus core temperature is broadly similar across cycle phases
Stephenson & Kolka 1985
36.4 vs 37.5°C
example sweating-onset thresholds in one study, follicular phase versus luteal phase (also affected by time of day)
Stephenson & Kolka 1985

The cycle has a temperature rhythm

Across a typical menstrual cycle, sex hormones follow a predictable pattern. In the follicular phase (from menstruation to ovulation), estrogen gradually rises while progesterone stays low. After ovulation, in the luteal phase, progesterone climbs and stays elevated until the next period. This post-ovulation surge in progesterone is accompanied by a small rise in basal body temperature, which is why temperature charting can help identify that ovulation has occurred.

The size of the shift is modest but consistent: reviews and controlled studies put resting core temperature about 0.3 to 0.5°C higher in the luteal phase than the follicular phase (Stephenson and Kolka 1985; Charkoudian and Stachenfeld 2014). Progesterone appears to raise the regulated set point, while estrogen tends to lower it, so the balance of the two hormones across the cycle moves the thermostat up and down.

How that changes sweating

When the set point rises, the body defends a slightly higher core temperature, so the heat-loss responses of sweating and skin blood flow do not switch on until that higher temperature is reached. In controlled heating and exercise studies, the core temperature threshold for the onset of sweating shifts to the right, upward, in the luteal phase compared with the follicular phase (Stephenson and Kolka 1985).

Importantly, the sensitivity of the response is largely preserved. Once sweating begins, the rate at which it increases per degree of core temperature (the slope of the sweat response) is broadly similar across cycle phases in most studies. In plain terms: after ovulation the body tends to wait a little longer before it starts cooling itself, but it still cools at about the same pace once it gets going. Time of day compounds this, because the sweating threshold is also higher in the late afternoon than in the early morning.

Cycle-related thermoregulatory changes at a glance

Each row is a distinct, measured change from controlled studies. The absolute threshold values reflect specific study conditions (exercise in the heat, and time of day), not a fixed number for everyone.

Summary of menstrual-cycle effects on temperature and sweating
Measure	Follicular vs luteal phase	Source
Resting core temperature	About 0.3 to 0.5°C higher in the luteal phase	Stephenson & Kolka 1985
Sweating onset threshold	Higher core temperature needed to begin sweating in the luteal phase	Stephenson & Kolka 1985
Vasodilation threshold	Similar rightward shift for skin blood flow onset	Stephenson & Kolka 1985
Sweating sensitivity (slope)	Broadly unchanged across phases	Charkoudian & Stachenfeld 2014
Example thresholds (one study)	About 36.4°C (follicular, early morning) vs 37.5°C (luteal, late afternoon) for sweating onset	Stephenson & Kolka 1985

The example thresholds combine cycle phase with time of day, so they illustrate the direction and rough size of the effect rather than a universal cutoff.

What this can look like day to day

The temperature shift is small, but it lines up with several everyday observations that people report and that studies help explain:

Feeling a little warmer in the roughly two weeks after ovulation is consistent with the higher luteal-phase core temperature.
Because sweating starts at a higher core temperature in the luteal phase, exercising or working in the heat can feel harder in that part of the cycle, since heat builds up slightly longer before cooling begins.
Basal body temperature charts show the same rise: a sustained increase of a few tenths of a degree after ovulation is the signal fertility-awareness methods rely on.
Hormonal contraceptives change the natural rise and fall of estrogen and progesterone, which can blunt or alter these cycle-related temperature and sweating patterns.

What the evidence does not say

These are averages from small, carefully controlled laboratory studies, often in fit young volunteers exercising in the heat. Individual variation is large, and the effect on how much someone sweats in ordinary daily life is subtle rather than dramatic. The cycle shifts when sweating begins more than how much the glands can produce.

The research also does not support the idea that menstrual-cycle changes cause a sweating disorder. Persistent, heavy sweating that is not tied to heat or exertion, or drenching night sweats, is a separate matter from the small, cyclic temperature rhythm described here. Whether that pattern warrants evaluation is a question for a clinician, not something a temperature chart can answer.

How to read these numbers

The dependable takeaway is directional and modest. After ovulation, higher progesterone raises the body's temperature set point by a few tenths of a degree, so sweating and skin blood flow begin at a slightly higher core temperature, while the pace of sweating once it starts stays about the same. This is normal physiology, not a defect.

This page describes a well-documented association between the menstrual cycle and thermoregulation. It is not a diagnosis. If sweating changes suddenly, becomes drenching, or does not fit the pattern of heat, exertion, or the cycle, it is reasonable to discuss it with a clinician.

Methodology and limitations

This page draws on controlled human thermoregulation studies and peer-reviewed reviews. The primary threshold and set-point figures come from Stephenson and Kolka (Am J Physiol 1985), who measured esophageal-temperature thresholds for sweating and skin blood flow across the follicular and luteal phases at two times of day. The 0.3 to 0.5°C luteal-phase temperature rise and the finding that sweating sensitivity is broadly preserved are supported by reviews from Charkoudian and Stachenfeld (Compr Physiol 2014; Auton Neurosci 2016) and by a review of thermoregulation and the menstrual cycle. Each figure was traced to its source.

Limitations: these are averages from small, selected samples studied under specific heat and exercise conditions, so absolute threshold values are not universal cutoffs. The size of the effect on everyday sweating is modest, and individual variation is large. Hormonal contraceptives alter the natural hormone pattern and can change these responses. Associations between hormones and thermoregulation do not mean the cycle causes any sweating disorder. Nothing here is a diagnosis or medical advice.

Frequently asked questions

Does the menstrual cycle change body temperature?: Yes, by a small amount. After ovulation, in the luteal phase, higher progesterone raises the body's temperature set point, and resting core temperature runs about 0.3 to 0.5°C higher than in the follicular phase (Stephenson & Kolka 1985; Charkoudian & Stachenfeld 2014).
Why might I sweat differently after ovulation?: Because the temperature set point rises in the luteal phase, sweating and skin blood flow begin at a higher core temperature. The body waits slightly longer before it starts cooling, though the pace of sweating once it begins is broadly unchanged.
Does the cycle make me sweat more overall?: Not exactly. The main change is when sweating starts, not how much the glands can produce. The effect on total daily sweat is subtle, and it varies a lot between individuals.
Is it harder to exercise in the heat during the luteal phase?: It can feel that way. A higher sweating threshold means heat builds up a little longer before cooling kicks in, which can add to thermal strain during exercise in hot conditions. Studies on performance itself are mixed.
Do hot flashes at menopause work the same way?: They are related but distinct. Both involve reproductive hormones and thermoregulation, but hot flashes reflect a narrowed thermoregulatory comfort zone during the menopause transition, a different mechanism from the small cyclic set-point shift described here.
Is this page medical advice?: No. It summarizes verified figures from published studies. Sweating that is sudden, drenching, or unrelated to heat, exertion, or the cycle is worth discussing with a clinician.

Sources

Primary peer-reviewed studies and official sources first, then reviews and institutional framing (secondary).

Stephenson LA, Kolka MA. Menstrual cycle phase and time of day alter reference signal controlling arm blood flow and sweating. Am J Physiol. 1985;249(2 Pt 2):R186-R191. Sweating and vasodilation thresholds shift to a higher core temperature in the luteal phase; slope broadly unchanged. Journal
Charkoudian N, Stachenfeld N. Reproductive hormone influences on thermoregulation in women. Compr Physiol. 2014;4(2):793-804. Reviews the roughly 0.3 to 0.5°C luteal-phase rise in core temperature and set-point effects of progesterone and estrogen. (secondary) PubMed
Charkoudian N, Stachenfeld N. Sex hormone effects on autonomic mechanisms of thermoregulation in humans. Auton Neurosci. 2016;196:75-80. Reviews progesterone and estrogen effects on sweating and skin blood flow thresholds. (secondary) PubMed
Kolka MA, Stephenson LA. Control of sweating during the human menstrual cycle. Eur J Appl Physiol Occup Physiol. 1989;58(8):890-895. Sweating threshold higher in the luteal phase. (secondary) PubMed
Charkoudian N, Hart ECJ, Barnes JN, Joyner MJ. Autonomic control of body temperature and blood pressure: influences of female sex hormones. Clin Auton Res. 2017;27(3):149-155. Context on estrogen and progesterone in autonomic thermoregulation. (secondary) PubMed

How to cite this page

Sweat Explained. The Menstrual Cycle, Body Temperature, and Sweating. Published 2026-07-20; last reviewed 2026-07-20. Available at: https://sweatexplained.com/research/sweating-and-the-menstrual-cycle

Please cite the original studies for the underlying figures. Journalists are welcome to link to this page; the charts are original renderings of the cited data.