May weather forecast and climate
Montevideo, Uruguay

Beautiful lawns and palm trees in the independence square outside the Centrally placed Salvo Palace in Montevideo, Uruguay
Beautiful lawns and palm trees in the independence square outside the Centrally placed Salvo Palace in Montevideo, Uruguay
The temperate weather of May is mild but humid; Highs range up to 18.6°C (65.5°F), but the humidity at 78% makes it feel warmer than the thermometer readings. Although there are occasional clouds and rain, the end of the fall season also presents many sunny days with clear skies.
The tourist numbers drop significantly in comparison to spring or summer. However, it is an opportunity to live in and explore some of the most beautiful places in fair weather conditions.

What is the temperature in May in Montevideo?

The average high-temperature, in May, in Montevideo, is 18.6°C (65.5°F), while the average low-temperature is 10.2°C (50.4°F).

How much does it rain in Montevideo in May?

In Montevideo, Uruguay, in May, it is raining for 6 days, with typically 89mm (3.5") of accumulated precipitation.

How cold is the water in May in Montevideo?

In Montevideo, Uruguay, in May, the average water temperature is 15.9°C (60.6°F). For most, swimming in 15.9°C (60.6°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Average temperature in May - Montevideo, Uruguay
  • Average high temperature in May: 18.6°C

The warmest month (with the highest average high temperature) is January (28.4°C).
The month with the lowest average high temperature is July (15°C).

  • Average low temperature in May: 10.2°C

The month with the highest average low temperature is January (18°C).
The coldest month (with the lowest average low temperature) is July (7.2°C).

Average humidity in May - Montevideo, Uruguay
  • Average humidity in May: 78%

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is December (67%).

Average rainfall in May - Montevideo, Uruguay
  • Average rainfall in May: 89mm

The wettest month (with the highest rainfall) is October (108.5mm).
The driest month (with the lowest rainfall) is June (83.1mm).

Average rainfall days in May - Montevideo, Uruguay
  • Average rainfall days in May: 6 days

Months with the highest number of rainy days are February, June, July, October and November (7 days).
Months with the lowest number of rainy days are January, March, April, May, August, September and December (6 days).

Average sea temperature in May - Montevideo, Uruguay
  • Average sea temperature in May: 15.9°C

The best month for swimming (with the highest average sea temperature) is January (24.2°C).
The coldest month (with the lowest average sea temperature) is July (11.3°C).

Average daylight in May / Average sunshine in May - Montevideo, Uruguay
  • Average daylight in May: 10.3h

The month with the longest days is December (Average daylight: 14.5h).
The month with shortest days is June (Average daylight: 9.8h).

  • Average sunshine in May: 5.3h

The month with most sunshine is January (Average sunshine: 9.5h).
The month with least sunshine is June (Average sunshine: 4.3h).

Average UV index in May - Montevideo, Uruguay
  • Average UV index in May: 3

Months with the highest UV index are January and December (UV index 12).
Months with the lowest UV index are June and July (UV index 2).

deutscheenglishespañolрусский中文