The climate in Montevideo during May can be summarized as mild and reasonably dry.
May is in the fall / autumn in Montevideo and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 10°C (50°F) is normal.
|Daytime temperature||18.7°C 65.7°F|
|Nightly temperature||10.1°C 50.2°F|
|Average temperature||14.4°C 57.9°F|
|Daily sunshine||5.8 hrs|
|Avg rainfall||76 mm 3 ins|
|Rainy days||9 days|
|Sea temperature||16.2°C 61.2°F|
|Windspeed||14.8kph 9 mph|
On average May is the 5th wettest month of the year in Montevideo with around 76mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.8 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in May 2020.
|Hottest month:||January||27.9°C 82.2°F|
|Driest month:||December||62mm 2.4ins|
|Coldest month:||July||14.7°C 58.5°F|
|Wettest month:||October||88mm 3.5ins|