Climate averages 1991–2020
Montevideo weather
in July.
A cool, wet month: the coolest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a cool month in Montevideo: daytime highs average 12.8°C and nights cool to about 8.5°C. By daytime temperature it is the coolest month of the year.
Expect about 96 mm of rain on roughly 9 days, which makes July a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 03 min on an average July day.
The nearest other city in this atlas is Maldonado (113 km away). In July its highs average 13.0°C, about as warm as Montevideo, with 105 mm of rain.
Among the 4 cities listed in Uruguay, Montevideo ranks 4th of 4 for the warmest July highs and 2nd of 4 for the driest July (rainfall, lowest first). The mean July high of those 4 cities is 14.5°C; Montevideo is 1.7°C cooler than that mean.
From July to August, average highs rise by 1.7°C to 14.5°C, and monthly rainfall rises from 96 mm to 97 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Montevideo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.2°C19.6°C | 19.6°C | 68 | 5.9 | 14.214 h |
| February | 24.7°C19.6°C | 19.6°C | 92 | 7.8 | 13.413 h |
| March | 23.2°C18.3°C | 18.3°C | 97 | 7.9 | 12.312 h |
| April | 20.1°C15.5°C | 15.5°C | 107 | 8.3 | 11.211 h |
| May | 16.7°C12.6°C | 12.6°C | 87 | 7.9 | 10.310 h |
| June | 14.0°C9.8°C | 9.8°C | 90 | 8.6 | 9.910 h |
| July, selected | 12.8°C8.5°C | 8.5°C | 96 | 8.9 | 10.010 h |
| August | 14.5°C9.5°C | 9.5°C | 97 | 8.5 | 10.811 h |
| September | 15.6°C10.6°C | 10.6°C | 92 | 8.3 | 11.812 h |
| October | 18.2°C13.1°C | 13.1°C | 111 | 8.7 | 12.913 h |
| November | 21.1°C15.4°C | 15.4°C | 101 | 7.7 | 13.914 h |
| December | 23.7°C17.9°C | 17.9°C | 73 | 6.9 | 14.414 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Maldonado in JulyUruguay · 113 kmHigh 13.0°C · Low 8.6°C · 105 mm rain
- Berisso in JulyArgentina · 155 kmHigh 13.2°C · Low 7.4°C · 83 mm rain
- La Plata in JulyArgentina · 161 kmHigh 13.1°C · Low 7.2°C · 64 mm rain
- Berazategui in JulyArgentina · 185 kmHigh 13.2°C · Low 7.4°C · 67 mm rain
- Quilmes in JulyArgentina · 190 kmHigh 13.4°C · Low 6.9°C · 67 mm rain
- Mar del Tuyú in JulyArgentina · 191 kmHigh 11.4°C · Low 7.7°C · 68 mm rain
- Avellaneda in JulyArgentina · 201 kmHigh 13.5°C · Low 7.1°C · 67 mm rain
- Buenos Aires in JulyArgentina · 203 kmHigh 13.3°C · Low 7.5°C · 74 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Montevideo) is explained once on the Montevideo year overview and on the Sources, method and limits page.