Cancún climate — normals and trends
Cancún (Mexico) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 1,038 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is August (27.8 °C on average) and the coldest is January (24.2 °C). Rainfall peaks in September.
Cancún averages 0 frost days, 0 hot days (≥ 30 °C) and 158 rainy days per year.
Cancún has warmed by +0.7 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 30.6 °C (on 26 September 2024) and the coldest 16.2 °C (on 24 December 1989).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
CancúnQuintana Roo
- coords
- 21.17°, -86.85°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.1°C
Average daily high
26.7°C
Average daily low
25.3°C
Annual rainfall
1,038mm
Sunshine / day
10.9h
Mean relative humidity
78%
Average peak wind
27.1km/h
Seasonal range
3.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
158 d/yr
Annual snowfall
0.0 cm
Average feels-like high
29.6 °C
Average feels-like low
26.8 °C
Average peak gust
37.4 km/h
Tropical nights (≥ 20 °C)
362 d/yr
Solar radiation
19.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.7 °C
since 1940
+0.1 °C per decade · r² = 0.41 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
30.6 °C
26 September 2024
Coldest day
16.2 °C
24 December 1989
Wettest day
195 mm
21 October 2005
Windiest day
111.8 km/h
21 October 2005
Strongest gust
168.1 km/h
14 September 1988
Hottest feels-like
37.9 °C
7 August 2024
Coldest feels-like
9.9 °C
24 December 1989
Sunniest day
13.0 h
29 June 1959
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 25.5 °C | +0.6 °C | 47 mm | -22 mm |
| Feb | 26.2 °C | +1.2 °C | 35 mm | -14 mm |
| Mar | 26.5 °C | +1.0 °C | 11 mm | -21 mm |
| Apr | 26.6 °C | +0.4 °C | 24 mm | -3 mm |
| May | 28.1 °C | +1.0 °C | 17 mm | -54 mm |
| Jun | 28.7 °C | +0.9 °C | 150 mm | +13 mm |
| Jul | 28.9 °C | +0.7 °C | 39 mm | -37 mm |
| Aug | 29.3 °C | +0.9 °C | 57 mm | -35 mm |
| Sep | 29.0 °C | +0.9 °C | 92 mm | -70 mm |
| Oct | 28.2 °C | +0.7 °C | 144 mm | -15 mm |
| Nov | 27.0 °C | +0.6 °C | 91 mm | +1 mm |
| Dec | 26.6 °C | +1.1 °C | 73 mm | -3 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Cancún?
Cancún has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 1,038 mm of precipitation per year.
What is the hottest day ever recorded in Cancún?
The hottest day measured in Cancún between 1940 and 2025 was 26 September 2024, reaching 30.6 °C.
What is the coldest day in Cancún?
The coldest day measured in Cancún between 1940 and 2025 was 24 December 1989, at 16.2 °C.
Does it snow in Cancún?
Almost never: Cancún sees virtually no snow, with about 0 frost days per year.
Has the climate of Cancún warmed?
Yes: Cancún warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Cancún?
The wettest day measured in Cancún between 1940 and 2025 was 21 October 2005, with 195 mm of rain in 24 hours.
What was the windiest day in Cancún?
The windiest day measured in Cancún between 1940 and 2025 was 21 October 2005, with winds reaching 111.8 km/h.
What is the warmest month in Cancún?
The warmest month in Cancún is August (27.8 °C on average); the coldest is January (24.2 °C).
How much does it rain in Cancún?
Cancún receives on average 1,038 mm of precipitation per year, spread over about 158 rainy days.
Is it sunny in Cancún?
Cancún gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Cancún?
Yes: Cancún has on average 362 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Cancún?
In Cancún, between 1940 and 2025, the highest apparent temperature reached 37.9 °C on 7 August 2024, and the lowest was 9.9 °C on 24 December 1989.
Compare Cancún with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Cancún