Montevideo, Uruguay Weather
Montevideo hourly forecast: next 24 hours
Today's high of 77°F (25°C) is about 20°F (11°C) above the typical July high of 57°F (14°C).
Current conditions in detail
Montevideo weather tomorrow (Saturday, July 18)
Tomorrow in Montevideo looks light rain shower, with a high of 65° and an overnight low of 54°. There is a 90% chance of rain - plan accordingly. Winds top out near 14 mph, and the UV index reaches 1 (low).
Montevideo 14-day forecast
About the weather in Montevideo
Located in Uruguay, Montevideo experiences a humid subtropical climate with hot, humid summers and generally mild winters. Afternoon temperatures peak near 80°F (26°C) in January and dip to about 57°F (14°C) in July, with around 38.3 inches (974 mm) of precipitation falling across the year.
Montevideo weather: quick facts
- Hottest month: January - highs near 80°F (26°C)
- Coldest month: July - highs near 57°F (14°C)
- Record high: 102°F (39°C) · Record low: 33°F (1°C) (2015–2024)
- Wettest month: April (9 rainy days) · Sunniest: December (12.2 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
Temperatures through the year
The warmest stretch of the year centers on January. Highs average 80°F (26°C) and overnight lows stay near 68°F (20°C). The coolest month is July, with typical highs of 57°F (14°C) and lows around 48°F (9°C). Based on 2015–2024 weather data, temperatures have reached as high as 102°F (39°C) and dropped as low as 33°F (1°C).
Rain, sun and snow
April is usually the wettest month. It brings about 4.3 inches (110 mm) of rain over 9 days, while September is the driest. December brings the most sunshine, averaging 12.2 hours of sun a day.
Season by season
Spring (September through November)
Spring in Montevideo is crisp but comfortable, with daytime highs averaging 66°F (19°C) and nights around 56°F (13°C); expect showers on roughly 25 days across the season.
Summer (December through February)
Summer in Montevideo is mild and warm, with daytime highs averaging 78°F (26°C) and nights around 66°F (19°C); expect showers on roughly 25 days across the season.
Fall (March through May)
Fall in Montevideo is pleasantly warm, with daytime highs averaging 70°F (21°C) and nights around 60°F (16°C); expect showers on roughly 27 days across the season.
Winter (June through August)
Winter in Montevideo stays on the cool side of mild, with daytime highs averaging 58°F (15°C) and nights around 49°F (9°C); expect showers on roughly 25 days across the season.
Average temperatures in Montevideo by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 80° | 68° | 9 | 2.8 in | 12.1 h/day | 70% |
| February | 79° | 68° | 8 | 3.0 in | 11.3 h/day | 71% |
| March | 76° | 65° | 10 | 3.4 in | 10.3 h/day | 72% |
| April | 71° | 61° | 9 | 4.3 in | 8.7 h/day | 75% |
| May | 63° | 54° | 7 | 3.1 in | 7.5 h/day | 77% |
| June | 59° | 50° | 8 | 2.7 in | 7.2 h/day | 79% |
| July | 57° | 48° | 9 | 4.0 in | 7.1 h/day | 80% |
| August | 60° | 49° | 8 | 3.5 in | 7.9 h/day | 78% |
| September | 62° | 51° | 7 | 2.4 in | 8.7 h/day | 77% |
| October | 66° | 55° | 10 | 3.4 in | 9.9 h/day | 75% |
| November | 72° | 60° | 7 | 2.9 in | 11.2 h/day | 71% |
| December | 76° | 64° | 8 | 2.8 in | 12.2 h/day | 69% |