Cancun in Summer — Weather & What to Expect
Summer in Cancun (June, July, August) averages daytime highs of 30.8°C and lows of 25.6°C, with around 386.3mm of rain across the season (51 rainy days in total). It includes some of the best months of the year to visit (June, July, August).
In the northern hemisphere, summer in Cancun covers June, July, August.
Summer in Cancun month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| June | 30.0°C | 25.2°C | 163.7mm | 19 | 9/10 |
| July | 31.3°C | 25.9°C | 82.1mm | 15 | 10/10 |
| August | 31.2°C | 25.7°C | 140.5mm | 17 | 9/10 |
What to pack for Cancun in summer
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
- Lightweight, breathable clothing
- High SPF sunscreen
Frequently Asked Questions
Is summer a good time to visit Cancun?
Summer in Cancun rates around 9/10 — excellent time to visit. Average highs are 30.8°C with 386.3mm of rain across the season.
How hot is Cancun in summer?
Daytime highs average 30.8°C (87.4°F) across June, July, August, with nights around 25.6°C.
What months are summer in Cancun?
Cancun is in the northern hemisphere, so summer covers June, July, August.
See also: best time to visit Cancun · Cancun annual climate · Cancun in spring · Cancun in autumn · Cancun in winter
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Once you know what summer in Cancun looks like, find out exactly what to pack for Cancun at 247PackingList. For currency, language and country facts, see the Mexico guide at 247CountryInfo.
Summer in Cancun — what to pack
Lightweight travel clothing
Lightweight, breathable clothing and a compact travel umbrella are essential in this climate.
Check Price →Check clothing sizes in Mexico at 247Sizing before you shop.
More summer travel essentials
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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.