Chetumal Climate by Month
Chetumal, Quintana Roo, Mexico
Hot all year, with rain spread through the year.
Hot all year, with rain spread through the year: that's Chetumal's climate in short. Expect highs of 93°F (34°C) in August and 85°F (30°C) in January, with the coldest nights (January) near 66°F (19°C). About 43 in (1096 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 78% relative humidity.
- Warmest month
- 93°F(34°C)
- Average high, August
- Coldest nights
- 66°F(19°C)
- Average low, January
- Rain per year
- 43 in(1096 mm)
- No clear rainy season
- Humidity
- 78%
- Sunniest: July
Best and worst months in Chetumal
Best for weatherThe most comfortable weather comes from January to March, with highs around 87°F (31°C) and about 1.3 in (33 mm) of rain a month.
Least pleasantJune and September are the least pleasant; June is the hottest, with highs of 91°F (33°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in February.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Chetumal weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 85°F(30°C) | 66°F(19°C) | 2.2 in(55 mm) | 79% | 4.2 |
| FebFebruaryBest | 87°F(31°C) | 68°F(20°C) | 1.0 in(25 mm) | 78% | 5.1 |
| MarMarchBest | 89°F(32°C) | 70°F(21°C) | 0.8 in(20 mm) | 73% | 5.6 |
| AprApril | 91°F(33°C) | 73°F(23°C) | 1.4 in(36 mm) | 76% | 5.7 |
| MayMay | 92°F(33°C) | 74°F(24°C) | 3.0 in(75 mm) | 75% | 5.6 |
| JunJune | 91°F(33°C) | 75°F(24°C) | 7.3 in(185 mm) | 80% | 5.5 |
| JulJuly | 92°F(33°C) | 76°F(24°C) | 3.9 in(100 mm) | 76% | 5.8 |
| AugAugust | 93°F(34°C) | 75°F(24°C) | 4.9 in(125 mm) | 78% | 5.7 |
| SepSeptember | 92°F(33°C) | 75°F(24°C) | 6.1 in(155 mm) | 79% | 5.3 |
| OctOctober | 90°F(32°C) | 73°F(23°C) | 6.7 in(170 mm) | 82% | 4.7 |
| NovNovember | 87°F(31°C) | 69°F(21°C) | 3.3 in(84 mm) | 82% | 4.5 |
| DecDecember | 86°F(30°C) | 67°F(20°C) | 2.6 in(66 mm) | 80% | 4.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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