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December Weather in Grant, United States

Last updated: June 24, 2025

In Grant, United States, the average temperature in December hovers around 1°C (34°F), with extremes ranging from a chilling -18°C (0°F) to a warm 24°C (76°F). During this month, expect precipitation of 18 mm (0.7 in) over approximately 4 days, contributing to an average humidity of 78%. Prepare accordingly for a mix of cool and mild weather!

December Temperature in Grant

In December in Grant, the average temperature is 1°C (34°F). Maximums can reach 24°C (76°F), and minimums can be as low as -18°C (0°F). Travelers should be prepared for a wide range of temperatures, from chilly days to unexpectedly warm ones.

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

The chart illustrates December temperature patterns in Grant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grant, December typically has an average temperature of 1°C (34°F), with highs reaching up to 24°C (76°F) and lows dropping to around -18°C (0°F).
JanFebMarAprMayJunJulAugSepOctNovDec302941485973777468504234
Data source: Temperature data for Grant 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 Grant

In Grant in December, the total precipitation amount is 18 mm (0.7 in) spread over a duration of 4 days.

December Precipitation Trends in Grant

The chart displays monthly precipitation patterns in Grant, 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 Grant, December typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1516625211346585844371718
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Grant

In Grant in December, humidity is 78%. With an average temperature of 1°C (34°F), this humidity feels like an extra layer of chill in the air, making travel uncomfortable and damp, often leading to a persistent sense of cold that can seep into your bones, leaving you wishing for a warm shelter.

December Average Humidity in Grant

This chart illustrates the average monthly humidity levels in Grant, 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 Grant is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%80%64%64%76%79%77%79%70%64%75%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Grant

In Grant in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Grant, you can check the information here.

Maximum UV Index Levels in Grant for December

The chart shows the monthly maximum UV Index (UVI) for Grant 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 Grant typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Grant 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 Grant Compares to Other Months

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

This table compares monthly weather conditions in Grant, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)15 mm (0.6 inches)73%moderate
February Weather-2°C (29°F)16 mm (0.6 inches)80%moderate
March Weather5°C (42°F)62 mm (2.4 inches)64%high
April Weather9°C (49°F)52 mm (2.1 inches)64%very high
May Weather15°C (59°F)113 mm (4.5 inches)76%very high
June Weather23°C (73°F)46 mm (1.8 inches)79%extreme
July Weather25°C (77°F)58 mm (2.3 inches)77%extreme
August Weather23°C (74°F)58 mm (2.3 inches)79%very high
September Weather20°C (68°F)44 mm (1.7 inches)70%very high
October Weather10°C (50°F)37 mm (1.5 inches)64%high
November Weather5°C (42°F)17 mm (0.7 inches)75%moderate
December Weather1°C (34°F)18 mm (0.7 inches)78%moderate

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