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December Weather in Valley Grande, United States

Last updated: June 24, 2025

In Valley Grande, United States, the average temperature in December hovers around 11°C (52°F), with a wide range that can dip to a minimum of -5°C (24°F) and soar to a maximum of 26°C (79°F). Expect 139 mm (5.5 in) of precipitation over approximately 12 days, all while the air remains quite humid at an average of 88%. Prepare accordingly for this varied climate!

December Temperature in Valley Grande

In December in Valley Grande, the average temperature is 11°C (52°F). Maximum temperatures can reach 26°C (79°F), while the minimum can dip as low as -5°C (24°F). Therefore, it's advisable to pack layers to stay comfortable throughout the day.

December Weather in Valley Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Valley Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valley Grande, December typically has an average temperature of 11°C (52°F), with highs reaching up to 26°C (79°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec495560657479818278705552
Data source: Temperature data for Valley Grande 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 Valley Grande

In Valley Grande, in December, the precipitation amount is 139 mm (5.5 in) over a span of 12 days.

December Precipitation Trends in Valley Grande

The chart displays monthly precipitation patterns in Valley Grande, 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 Valley Grande, December typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1131321291401281291081108411882139
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Valley Grande

In Valley Grande in December, humidity is 88%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and the air feel thick, encouraging you to seek shelter or stay hydrated as you explore.

December Average Humidity in Valley Grande

This chart illustrates the average monthly humidity levels in Valley Grande, 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 Valley Grande is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Valley Grande

In Valley Grande in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Valley Grande for better planning.

Maximum UV Index Levels in Valley Grande for December

The chart shows the monthly maximum UV Index (UVI) for Valley Grande 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 Valley Grande typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Valley Grande 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 Valley Grande Compares to Other Months

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

This table compares monthly weather conditions in Valley Grande, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)113 mm (4.4 inches)85%moderate
February Weather13°C (55°F)132 mm (5.2 inches)84%high
March Weather16°C (61°F)129 mm (5.1 inches)82%very high
April Weather18°C (65°F)140 mm (5.5 inches)82%very high
May Weather23°C (74°F)128 mm (5.0 inches)81%extreme
June Weather26°C (79°F)129 mm (5.1 inches)77%extreme
July Weather27°C (82°F)108 mm (4.3 inches)77%extreme
August Weather28°C (82°F)110 mm (4.3 inches)72%extreme
September Weather26°C (79°F)84 mm (3.3 inches)73%very high
October Weather21°C (70°F)118 mm (4.6 inches)73%very high
November Weather13°C (55°F)82 mm (3.2 inches)85%high
December Weather11°C (52°F)139 mm (5.5 inches)88%moderate

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