🇲🇽 Weather in Cancún in May
This is what the weather in Cancún (Mexico) was like in May in 2017–2026.
Key facts at a glance
Avg. daytime high
31.0 °C
29.8 °C – 32.3 °C
Avg. night-time low
26.3 °C
25.2 °C – 27.4 °C
Avg. rain days in period
11.1
36 % of days · ≥ 1.0 mm
Avg. precipitation in period
85.7 mm
4.9 mm – 228 mm
Avg. cloud cover
46 %
This data source has no sunshine hours – average cloud cover shown instead.
Avg. sea temperature
27.8 °C
Sea point approx. 10 km from the location
Extremes: Highest temperature 33.6 °C (30 May 2024) · Lowest temperature 21.5 °C (6 May 2017) · Avg. daily peak wind 15 km/h
Weather mix of all days
- 100Sunny
- 76Partly cloudy
- 23Cloudy
- 63Light rain
- 48Rain
Summary
- On average 31.0 °C during the day and 26.3 °C at night.
- On average 11.1 rain days (Rain day = at least 1.0 mm of precipitation) with 85.7 mm of precipitation in total.
- The sea averaged 27.8 °C.
- Prevailing: Sunny.
- Warmest year: 2024 (avg. 32.3 °C), coolest: 2018 (avg. 29.8 °C).
- Wettest year: 2020 (228 mm), driest: 2024 (4.9 mm).
- Extremes: 33.6 °C on 30 May 2024 and 21.5 °C on 6 May 2017.
Overall values from all 10 years. How is this calculated?
Charts
Temperatures per year
Average over your travel period
Precipitation & rain days
Year by year
2026
Avg. max31.4°Avg. min26.8°- Rain days
- 13 Rain days
- Precipitation
- 66.7 mm
- Avg. cloud cover
- 51 % cloudy
- Sea temperature
- 27.9 °C
Max 32.7 °C · Min 25.5 °C
2025
Avg. max31.6°Avg. min26.6°- Rain days
- 4 Rain days
- Precipitation
- 46.1 mm
- Avg. cloud cover
- 28 % cloudy
- Sea temperature
- 27.7 °C
Max 33.3 °C · Min 23.6 °C
2024
Avg. max32.3°Avg. min27.4°- Rain days
- 2 Rain days
- Precipitation
- 4.9 mm
- Avg. cloud cover
- 25 % cloudy
- Sea temperature
- 28.2 °C
Max 33.6 °C · Min 25.5 °C
2023
Avg. max31.9°Avg. min26.0°- Rain days
- 12 Rain days
- Precipitation
- 32.9 mm
- Avg. cloud cover
- 43 % cloudy
- Sea temperature
- 27.9 °C
Max 33.3 °C · Min 22.0 °C
2022
Avg. max30.6°Avg. min25.7°- Rain days
- 11 Rain days
- Precipitation
- 88.2 mm
- Avg. cloud cover
- 49 % cloudy
- Sea temperature
- 27.6 °C
Max 32.1 °C · Min 23.7 °C
2021
Avg. max30.7°Avg. min26.6°- Rain days
- 8 Rain days
- Precipitation
- 99.3 mm
- Avg. cloud cover
- 51 % cloudy
- Sea temperature
- 27.9 °C
Max 31.6 °C · Min 25.2 °C
2020
Avg. max30.1°Avg. min26.1°- Rain days
- 23 Rain days
- Precipitation
- 228 mm
- Avg. cloud cover
- 65 % cloudy
- Sea temperature
- 27.7 °C
Max 32.0 °C · Min 24.2 °C
2019
Avg. max30.9°Avg. min26.4°- Rain days
- 8 Rain days
- Precipitation
- 31.0 mm
- Avg. cloud cover
- 39 % cloudy
- Sea temperature
- 27.5 °C
Max 31.8 °C · Min 24.8 °C
2018
Avg. max29.8°Avg. min25.2°- Rain days
- 20 Rain days
- Precipitation
- 202 mm
- Avg. cloud cover
- 59 % cloudy
- Sea temperature
- 28.0 °C
Max 30.6 °C · Min 22.9 °C
2017
Avg. max30.8°Avg. min25.6°- Rain days
- 10 Rain days
- Precipitation
- 58.1 mm
- Avg. cloud cover
- 47 % cloudy
- Sea temperature
- 27.5 °C
Max 31.8 °C · Min 21.5 °C
Frequently asked questions
- How warm is it in Cancún in May?
- Daytime highs averaged 31.0 °C, night-time lows 26.3 °C. The highest value of the past 10 years was 33.6 °C (30 May 2024), the lowest 21.5 °C (6 May 2017).
- How often does it rain in Cancún in May?
- On average there were 11.1 rain days (at least 1 mm) with 85.7 mm of precipitation in total.
- How warm is the sea in Cancún in May?
- The sea temperature averaged 27.8 °C (open-sea point approx. 10 km from the town).
Check your exact travel dates
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Other destinations in May
Data sources
- Weather data
- Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains. - Sea temperature
- MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis) - Sea point approx. 10 km from the location (21.220, -86.780)
- Place search
- Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)