The hottest month in Montevideo is typically January, with daytime highs averaging around 26.4°C (80°F), based on 10 years of historical weather data. Overnight lows during this period average near 19.9°C (68°F).

What is the coldest month in Montevideo?

The coldest month in Montevideo is typically July, with overnight lows averaging around 8.7°C (48°F) and daytime highs near 13.6°C (56°F), based on 10 years of historical weather data.

Does Montevideo have a rainy season?

Montevideo doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. April is the wettest month on average (about 112 mm), while September is the driest (about 65 mm).

What's the best time of year to visit Montevideo?

The best time to visit Montevideo is typically November to January, when daytime highs average a comfortable 24.5°C (76°F). Rainfall during this window averages around 69 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.

Atmospheric Details

Wind

14 km/h

ESE · Gentle Breeze · Max 19 km/h

Humidity

88 %

High · feels muggy

UV Index

Moderate

Visibility

10 km

Excellent

Pressure

1010 hPa

Stable

Dew Point

10°C

Comfortable

Today vs Normal

12°C-3° below normal

The long-term average high for today is 15°C.

6 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running below normal.

Red = above normal, blue = at or below · last 12 days

Air Quality

Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Health & Activity Advice

✅ Good for Outdoors

UV index is 5 today — moderate. Sunscreen is worth using for extended time outside, but no special precautions are needed for short trips.

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Conditions are comfortable for outdoor activity at most points during the day today.