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December Weather in Reserve, United States

Last updated: June 24, 2025

In Reserve, United States, the average temperature in December hovers around 2°C (36°F), with a minimum dipping to -16°C (4°F) and a maximum reaching 18°C (64°F). Expect 23 mm (0.9 in) of precipitation over approximately 5 days, contributing to an average humidity level of 84%. Stay prepared for the chill while enjoying the cozy atmosphere!

December Temperature in Reserve

In December in Reserve, the average temperature is 2°C (36°F). Maximum temperatures can reach 18°C (64°F), while minimums can drop as low as -16°C (4°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Reserve, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Reserve, December typically has an average temperature of 2°C (36°F), with highs reaching up to 18°C (64°F) and lows dropping to around -16°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec343743525970706864544536
Data source: Temperature data for Reserve 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 Reserve

In Reserve in December, the precipitation amount is 23 mm (0.9 in) over the course of 5 days.

December Precipitation Trends in Reserve

The chart displays monthly precipitation patterns in Reserve, 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 Reserve, December typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec263529121313774330151923
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Reserve

In Reserve in December, humidity is 84%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making outdoor activities less inviting and requiring extra layers to stay comfortable while traveling.

December Average Humidity in Reserve

This chart illustrates the average monthly humidity levels in Reserve, 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 Reserve is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%82%68%55%45%37%43%53%66%72%81%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Reserve

In Reserve in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Reserve.

Maximum UV Index Levels in Reserve for December

The chart shows the monthly maximum UV Index (UVI) for Reserve 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 Reserve typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710121213131211865
Data source: Reserve 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 Reserve Compares to Other Months

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

This table compares monthly weather conditions in Reserve, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)26 mm (1.0 inches)81%moderate
February Weather3°C (37°F)35 mm (1.4 inches)82%high
March Weather6°C (44°F)29 mm (1.1 inches)68%very high
April Weather11°C (52°F)12 mm (0.5 inches)55%extreme
May Weather15°C (60°F)13 mm (0.5 inches)45%extreme
June Weather21°C (70°F)13 mm (0.5 inches)37%extreme
July Weather21°C (70°F)77 mm (3.0 inches)43%extreme
August Weather20°C (68°F)43 mm (1.7 inches)53%extreme
September Weather18°C (64°F)30 mm (1.2 inches)66%extreme
October Weather12°C (54°F)15 mm (0.6 inches)72%very high
November Weather7°C (45°F)19 mm (0.7 inches)81%high
December Weather2°C (36°F)23 mm (0.9 inches)84%moderate

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