nomadseason

December Weather in Grant, United States

Last updated: June 24, 2025

In December, the average temperature in Grant, United States hovers around 9°C (48°F). Expect temperatures to range from a chilly -7°C (21°F) to a pleasant 23°C (73°F). Throughout the month, precipitation averages 158 mm (6.2 in) over 12 days, contributing to a high humidity level of 88%. Prepare for a mix of cool weather and occasional rainfall!

December Temperature in Grant

In December in Grant, the average temperature is 9°C (48°F), with maximums reaching up to 23°C (73°F) and minimums dipping as low as -7°C (21°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for both mild and chilly conditions.

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 9°C (48°F), with highs reaching up to 23°C (73°F) and lows dropping to around -7°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec444955617176797975655148
Data source: Temperature data for Grant generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Grant

In Grant in December, the precipitation amount is 158 mm (6.2 in) over a span of 12 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 158 mm (6.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec11418420515010013612311911613277158
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Grant

In Grant in December, humidity is 88%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill settling into your bones, making outdoor exploration feel heavy and oppressive.

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 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
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 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 Grant for better planning.

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 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111119764
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 Weather7°C (44°F)114 mm (4.5 inches)87%moderate
February Weather9°C (49°F)184 mm (7.3 inches)87%high
March Weather13°C (55°F)205 mm (8.1 inches)85%very high
April Weather16°C (61°F)150 mm (5.9 inches)82%very high
May Weather21°C (71°F)100 mm (3.9 inches)83%extreme
June Weather25°C (76°F)136 mm (5.4 inches)82%extreme
July Weather26°C (80°F)123 mm (4.8 inches)78%extreme
August Weather26°C (79°F)119 mm (4.7 inches)67%extreme
September Weather24°C (75°F)116 mm (4.6 inches)64%very high
October Weather19°C (66°F)132 mm (5.2 inches)74%high
November Weather11°C (51°F)77 mm (3.0 inches)87%high
December Weather9°C (48°F)158 mm (6.2 inches)88%moderate

Compare Grant's Climate with Cities Worldwide