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May Weather in Montevideo, United States

Last updated: June 24, 2025

In May, the average temperature in Montevideo, United States hovers around 15°C (59°F). Expect a cool minimum of 0°C (32°F) and a warm maximum of 35°C (95°F). During this period, precipitation totals about 101 mm (4.0 in) over 11 days, contributing to an average humidity of 76%. Embrace the varied climate as you explore the charm of this locale!

May Temperature in Montevideo

In May in Montevideo, the average temperature is 15°C (59°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 0°C (32°F). It's advisable to pack for a range of temperatures to fully enjoy your travels during this time.

May Weather in Montevideo: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Montevideo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montevideo, May typically has an average temperature of 15°C (59°F), with highs reaching up to 35°C (95°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec151532425972747064483323
Data source: Temperature data for Montevideo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Montevideo

In Montevideo in May, the precipitation amount is 101 mm (4.0 in) spread over 11 days.

May Precipitation Trends in Montevideo

The chart displays monthly precipitation patterns in Montevideo, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Montevideo, May typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec202053691018210213395892638
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Montevideo

In Montevideo in May humidity is 76%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities less enjoyable and often leading to a quick sense of fatigue while traveling.

May Average Humidity in Montevideo

This chart illustrates the average monthly humidity levels in Montevideo, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Montevideo is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Montevideo

In Montevideo in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Montevideo.

Maximum UV Index Levels in Montevideo for May

The chart shows the monthly maximum UV Index (UVI) for Montevideo in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Montevideo typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3557910997532
Data source: Montevideo May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Montevideo Compares to Other Months

Weather in Montevideo varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Montevideo, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Montevideo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (15°F)20 mm (0.8 inches)85%moderate
February Weather-9°C (15°F)20 mm (0.8 inches)89%moderate
March Weather0°C (32°F)53 mm (2.1 inches)81%moderate
April Weather6°C (43°F)69 mm (2.7 inches)82%high
May Weather15°C (59°F)101 mm (4.0 inches)76%very high
June Weather22°C (72°F)82 mm (3.2 inches)81%very high
July Weather23°C (74°F)102 mm (4.0 inches)82%very high
August Weather21°C (71°F)133 mm (5.2 inches)83%very high
September Weather18°C (64°F)95 mm (3.8 inches)82%high
October Weather9°C (48°F)89 mm (3.5 inches)82%moderate
November Weather1°C (34°F)26 mm (1.0 inches)87%moderate
December Weather-5°C (24°F)38 mm (1.5 inches)84%low

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