Cancun, Mexico Climate & Monthly Averages
The climate of 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.
Climate 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.
How Cancun compares
- Cancun averages 79°F (26°C) across the year - warmer than 90% of the 3496 cities we track.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| 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% |
Cancun month by month
Cancun weather in January
January brings highs around 79°F (26°C), lows near 71°F (22°C), about 13 wet days - typically the coldest month of the year in Cancun.
Cancun weather in February
February brings highs around 80°F (27°C), lows near 72°F (22°C), about 10 wet days.
Cancun weather in March
March brings highs around 82°F (28°C), lows near 74°F (23°C), about 9 wet days - typically the driest month of the year in Cancun.
Cancun weather in April
April brings highs around 85°F (29°C), lows near 76°F (24°C), about 7 wet days.
Cancun weather in May
May brings highs around 86°F (30°C), lows near 77°F (25°C), about 14 wet days - typically the sunniest month of the year in Cancun.
Cancun weather in June
June brings highs around 86°F (30°C), lows near 78°F (26°C), about 18 wet days - typically the wettest month of the year in Cancun.
Cancun weather in July
July brings highs around 88°F (31°C), lows near 79°F (26°C), about 15 wet days - typically the hottest month of the year in Cancun.
Cancun weather in August
August brings highs around 88°F (31°C), lows near 79°F (26°C), about 20 wet days.
Cancun weather in September
September brings highs around 87°F (30°C), lows near 78°F (26°C), about 22 wet days.
Cancun weather in October
October brings highs around 85°F (29°C), lows near 76°F (25°C), about 22 wet days.
Cancun weather in November
November brings highs around 82°F (28°C), lows near 74°F (23°C), about 15 wet days.
Cancun weather in December
December brings highs around 80°F (27°C), lows near 73°F (23°C), about 14 wet days.
Seasons in Cancun
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.
Climate questions, answered
How cold does Cancun get in winter?
How much does the weather change through the year in Cancun?
How hot does Cancun get in summer?
Is Cancun warmer or cooler than most cities?
Best time to visit Cancun
The best time to visit Cancun is generally November to April, when humidity and rainfall are at their lowest, which is what actually varies here. Daytime temperatures in that window sit near 81°F (27°C), with rain on about 12 days a month. For the same question asked the other way round, see where else is warm in November.
Pack for Cancun with light clothing for the warm months, proper waterproofs rather than an umbrella - wet days are the norm here and moisture-wicking fabrics for the humidity. July nights average 79°F (26°C), so evenings rarely match the afternoons.
Cancun temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.