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December Weather in Montes, Uruguay

Last updated: August 28, 2025

In December, the average temperature in Montes, Uruguay is a pleasant 21°C (71°F), with range extremes dipping to a cool 7°C (46°F) and soaring to a high of 36°C (96°F). During this month, expect about 59 mm (2.3 in) of precipitation spread over 7 days, contributing to an average humidity of 65%. Perfect for those who enjoy a mild climate with a splash of rain!

December Temperature in Montes

In December in Montes, the average temperature is 21°C (71°F). Maximum temperatures can reach 36°C (96°F), while minimums can drop as low as 7°C (46°F). This diverse climate makes Montes a great destination for travelers seeking both warm and mild weather.

December Weather in Montes: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Montes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montes, December typically has an average temperature of 21°C (71°F), with highs reaching up to 36°C (96°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec737269655753525357616670
Data source: Temperature data for Montes 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.

December Precipitation in Montes

In Montes in December, the precipitation amount is 59 mm (2.3 in) over a span of 7 days.

December Precipitation Trends in Montes

The chart displays monthly precipitation patterns in Montes, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Montes, December typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec7593627889117959290876259
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Montes

In Montes in December humidity is 65%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket, making outdoor activities pleasant yet requiring occasional breaks in the shade to stay comfortable while exploring.

December Average Humidity in Montes

This chart illustrates the average monthly humidity levels in Montes, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Montes is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%69%73%79%83%80%72%72%76%71%68%65%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Montes

In Montes in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Montes, you can check here.

Maximum UV Index Levels in Montes for December

The chart shows the monthly maximum UV Index (UVI) for Montes in December, 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 December, the maximum UV index in Montes typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311754468111314
Data source: Montes December 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 December Weather in Montes Compares to Other Months

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

This table compares monthly weather conditions in Montes, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)75 mm (3.0 inches)63%extreme
February Weather22°C (72°F)93 mm (3.7 inches)69%extreme
March Weather20°C (69°F)62 mm (2.5 inches)73%extreme
April Weather18°C (65°F)78 mm (3.1 inches)79%high
May Weather14°C (58°F)89 mm (3.5 inches)82%moderate
June Weather12°C (53°F)117 mm (4.6 inches)80%moderate
July Weather11°C (52°F)95 mm (3.7 inches)72%moderate
August Weather12°C (53°F)92 mm (3.6 inches)72%high
September Weather14°C (57°F)90 mm (3.6 inches)76%very high
October Weather16°C (61°F)87 mm (3.4 inches)71%extreme
November Weather19°C (66°F)62 mm (2.4 inches)68%extreme
December Weather21°C (71°F)59 mm (2.3 inches)65%extreme

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