Cancun, Mexico Weather
Cancun hourly forecast: next 24 hours
Today's high of 87°F (31°C) is right in line with the typical August high of 88°F (31°C).
Current conditions in detail
Cancun weather tomorrow (Thursday, August 27)
Tomorrow in Cancun looks sunny, with a high of 87° and an overnight low of 82°. Rain is unlikely (7% chance). Winds top out near 11 mph, and the UV index reaches 11 (very high).
Cancun 14-day forecast
About the weather in Cancun
There is not much of a seasonal calendar in Cancun. Its warmest and coolest months differ by 5°C, against a dataset median nearer 15°C, which leaves 88°F (31°C) in July and 79°F (26°C) in January as the two ends of the year.
Cancun weather: quick facts
- Hottest month: July - highs near 88°F (31°C)
- Coldest month: January - highs near 79°F (26°C)
- Decade extremes (2015-2024): 94°F (34°C) high · 58°F (14°C) low
- Wettest month: June (18 rainy days) · Sunniest: May (11.9 h sun/day)
- Climate type: tropical wet-and-dry
- Annual swing: 5°C between the average warmest and coolest month · day to night: 5°C
- Months averaging 30°C or hotter: 4
- Average humidity: 78%
Temperatures through the year
January sits at the other end of the year: 79°F (26°C) by day, 71°F (22°C) at night. At its warmest, in July, Cancun runs to 88°F (31°C) in the afternoon and back to 79°F (26°C) by dawn. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 94°F (34°C) and the lowest daily minimum 58°F (14°C). May is the brightest month at 11.9 hours of sun a day, against an annual average of 10.7 - sunnier than roughly 88% of the cities we track.
Rain, sun and snow
Days and nights are about 5°C apart on average - narrower than almost anywhere else we cover. Between the average July and the average January lie 5°C, a narrower spread than about 87% of the cities we track. Average highs hold at or above 30°C for 4 months of the year, July through September being the unbroken run.
Season by season
March through May
March through May in Cancun is hot, with daytime highs averaging 84°F (29°C) and nights around 76°F (24°C); rain falls on around 30 of the 90 days. Daylight is generous - around 11.7 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
June through August
June through August in Cancun is hot, with daytime highs averaging 87°F (31°C) and nights around 78°F (26°C); rain falls on around 53 of the 90 days. Daylight is generous - around 11.2 hours of sun a day.
September through November
Through September through November, Cancun runs hot: 85°F (29°C) by day, 76°F (24°C) after dark, and rain falls on around 59 of the 90 days. Daylight is generous - around 10.3 hours of sun a day.
December through February
Through December through February, Cancun is pleasantly warm: 80°F (27°C) by day, 72°F (22°C) after dark, and rain falls on around 38 of the 90 days.
Average temperatures in Cancun by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 79° | 71° | 13 | 2.9 in | 9.3 h/day | 76% |
| February | 80° | 72° | 10 | 1.8 in | 10.5 h/day | 74% |
| March | 82° | 74° | 9 | 1.4 in | 11.4 h/day | 73% |
| April | 85° | 76° | 7 | 1.5 in | 11.7 h/day | 74% |
| May | 86° | 77° | 14 | 3.3 in | 11.9 h/day | 76% |
| June | 86° | 78° | 18 | 7.8 in | 10.7 h/day | 82% |
| July | 88° | 79° | 15 | 3.4 in | 11.8 h/day | 80% |
| August | 88° | 79° | 20 | 5.2 in | 11.2 h/day | 81% |
| September | 87° | 78° | 22 | 7.2 in | 10.7 h/day | 83% |
| October | 85° | 76° | 22 | 7.1 in | 9.9 h/day | 81% |
| November | 82° | 74° | 15 | 4.4 in | 10.2 h/day | 79% |
| December | 80° | 73° | 14 | 3.3 in | 9.6 h/day | 78% |