Climate in Cancun — Annual Weather Overview
Cancun has a tropical climate — hot and humid year-round with a distinct wet season. The hottest month is July (average high 31.3°C) and the coolest is January (26.3°C). Temperatures are consistent year-round, with highs ranging only 5.0°C between the warmest and coolest months. Annual rainfall totals around 1202mm. June is the wettest month at 163.7mm, while April averages just 30.0mm. Average daily sunshine is 10.8 hours.
**Spring (March, April, May):** average highs 29.3°C, 164mm rain. **Summer (June, July, August):** average highs 30.8°C, 386mm rain. **Autumn (September, October, November):** average highs 29.5°C, 412mm rain. **Winter (December, January, February):** average highs 26.7°C, 240mm rain.
Cancun — Monthly Temperatures
Cancun — Monthly Rainfall
✅ Best months to visit
All year
ℹ️ No months to avoid
Weather in Cancun stays reasonable all year.
Cancun weather by month
| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January | 26.3°C | 21.7°C | 73.9mm | 9.5h | 14 | 10/10 |
| February | 27.1°C | 22.7°C | 63.3mm | 10.6h | 13 | 10/10 |
| March | 28.1°C | 23.3°C | 36.8mm | 11.5h | 9 | 10/10 |
| April | 29.7°C | 24.4°C | 30.0mm | 11.8h | 6 | 10/10 |
| May | 30.1°C | 24.7°C | 97.1mm | 11.5h | 14 | 10/10 |
| June | 30.0°C | 25.2°C | 163.7mm | 10.8h | 19 | 9/10 |
| July | 31.3°C | 25.9°C | 82.1mm | 11.7h | 15 | 10/10 |
| August | 31.2°C | 25.7°C | 140.5mm | 11.1h | 17 | 9/10 |
| September | 30.6°C | 25.2°C | 122.4mm | 10.7h | 18 | 9/10 |
| October | 29.8°C | 24.2°C | 151.8mm | 10.3h | 19 | 9/10 |
| November | 28.1°C | 23.2°C | 137.7mm | 10.0h | 18 | 9/10 |
| December | 26.8°C | 22.2°C | 103.2mm | 9.5h | 15 | 9/10 |
For the full verdict on when to go, see the best time to visit Cancun. Seasonal breakdowns: spring, summer, autumn and winter.
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Frequently Asked Questions
What type of climate does Cancun have?
Cancun has a tropical climate — hot and humid year-round with a distinct wet season. Average highs range from 26.3°C in January to 31.3°C in July.
What is the hottest month in Cancun?
July is the hottest month in Cancun, with average highs of 31.3°C and lows of 25.9°C.
What is the coldest month in Cancun?
January is the coolest month, with average highs of 26.3°C and lows of 21.7°C.
What is the wettest month in Cancun?
June is the wettest month, averaging 163.7mm of rainfall over around 19 rainy days.
How much rain does Cancun get per year?
Cancun receives around 1202mm of rain per year. The driest month is April (30.0mm).
When is the best time to visit Cancun?
The best time to visit Cancun is All year. See the full month-by-month guide →
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For the packing side of things, our sister site has a ready-made checklist: Cancun packing list at 247PackingList. For currency, language and country facts see the Mexico guide at 247CountryInfo. Some travellers fund a longer stay in Cancun by teaching English along the way — a TEFL certificate is usually all it takes.
Trip essentials for Cancun
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.