Tulum, Mexico Weather
Tulum hourly forecast: next 24 hours
Today's high of 94°F (34°C) is about 7°F (4°C) above the typical September high of 87°F (31°C).
Current conditions in detail
Tulum weather tomorrow (Wednesday, September 16)
Tomorrow in Tulum looks sunny, with a high of 92° and an overnight low of 77°. There is a 57% chance of rain - plan accordingly. Winds top out near 8 mph, and the UV index reaches 11 (very high).
Tulum 14-day forecast
About the weather in Tulum
Tulum has one of the steadier climates in our dataset. Average highs move only 4°C across the whole year - from 80°F (27°C) in January to 87°F (31°C) in July - so the practical difference between seasons here is rainfall and daylight, not warmth.
Tulum weather: quick facts
- Hottest month: July - highs near 87°F (31°C)
- Coldest month: January - highs near 80°F (27°C)
- Decade extremes (2015-2024): 96°F (35°C) high · 58°F (14°C) low
- Wettest month: June (21 rainy days) · Sunniest: May (11.8 h sun/day)
- Climate type: tropical wet-and-dry
- Annual swing: 4°C between the average warmest and coolest month · day to night: 5°C
- Months averaging 30°C or hotter: 4
- Average humidity: 80%
Temperatures through the year
June is the wettest month at 9.9 inches (251 mm) over 21 days; February is the driest. January sits at the other end of the year: 80°F (27°C) by day, 71°F (21°C) at night. July is the warm end of the year, averaging 87°F (31°C) by day and 79°F (26°C) overnight. The gridded 2015-2024 daily record for this location tops out at 96°F (35°C) and bottoms at 58°F (14°C) - decade extremes, not all-time station records. Days and nights are about 5°C apart on average - narrower than all but 3% of the 3496 cities in our dataset.
Rain, sun and snow
Relative humidity averages 80% across the year, more humid than roughly 84% of the cities we track - enough that summer afternoons feel hotter than the thermometer says, which is what the dew point converter is for. May is the brightest month at 11.8 hours of sun a day, against an annual average of 10.8 - sunnier than 91% of the 3496 cities in our dataset. Between the average July and the average January lie 4°C, a narrower spread than about 87% of the cities we track.
Season by season
March through May
March through May in Tulum brings hot afternoons, with daytime highs averaging 85°F (29°C) and nights around 76°F (24°C); rain falls on around 34 of the 90 days. Daylight is generous - around 11.7 hours of sun a day.
June through August
June through August runs hot here - highs near 87°F (30°C), nights near 79°F (26°C), and rain falls on around 56 of the 90 days. Daylight is generous - around 11.1 hours of sun a day.
September through November
September through November in Tulum sits firmly in the heat, with daytime highs averaging 85°F (30°C) and nights around 76°F (24°C); rain falls on around 59 of the 90 days. Daylight is generous - around 10.3 hours of sun a day.
December through February
December through February brings hot afternoons here - highs near 81°F (27°C), nights near 72°F (22°C), and rain falls on around 41 of the 90 days. Daylight is generous - around 10.1 hours of sun a day.
Average temperatures in Tulum by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 80° | 71° | 14 | 2.7 in | 9.7 h/day | 78% |
| February | 81° | 72° | 11 | 1.6 in | 10.7 h/day | 75% |
| March | 83° | 74° | 10 | 1.6 in | 11.6 h/day | 74% |
| April | 85° | 76° | 8 | 1.7 in | 11.7 h/day | 75% |
| May | 86° | 78° | 16 | 3.9 in | 11.8 h/day | 78% |
| June | 86° | 78° | 21 | 9.9 in | 10.6 h/day | 83% |
| July | 87° | 79° | 16 | 3.5 in | 11.6 h/day | 80% |
| August | 88° | 79° | 20 | 6.3 in | 11.0 h/day | 82% |
| September | 87° | 78° | 22 | 7.0 in | 10.7 h/day | 84% |
| October | 85° | 76° | 21 | 8.1 in | 9.8 h/day | 83% |
| November | 83° | 73° | 15 | 4.6 in | 10.3 h/day | 82% |
| December | 81° | 72° | 16 | 3.0 in | 9.8 h/day | 80% |