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December Weather in Grandview, United States

Last updated: June 24, 2025

In December, the average temperature in Grandview, United States hovers around 11°C (52°F). Expect a minimum of -5°C (23°F) and a maximum of 30°C (86°F), showcasing quite a temperature range. Rainfall is moderate, with an average precipitation amount of 56 mm (2.2 in) spread over 6 days. Additionally, the average humidity is notably high at 87%, adding to the overall climate experience.

December Temperature in Grandview

In December in Grandview, the average temperature is 11°C (52°F), with maximums reaching 30°C (86°F) and minimums dropping as low as -5°C (23°F). This varied climate makes Grandview a versatile destination for travelers, so be sure to pack for a range of temperatures!

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

The chart illustrates December temperature patterns in Grandview, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grandview, December typically has an average temperature of 11°C (52°F), with highs reaching up to 30°C (86°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec485061667581858579685752
Data source: Temperature data for Grandview 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 Grandview

In Grandview in December, the precipitation amount is 56 mm (2.2 in) spread over 6 days.

December Precipitation Trends in Grandview

The chart displays monthly precipitation patterns in Grandview, 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 Grandview, December typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec56908599174816298711344556
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Grandview

In Grandview in December, humidity is 87%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make your clothes cling uncomfortably, leaving you feeling slightly weighed down while exploring the area.

December Average Humidity in Grandview

This chart illustrates the average monthly humidity levels in Grandview, 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 Grandview is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Grandview

In Grandview 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 Grandview for better planning.

Maximum UV Index Levels in Grandview for December

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

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

This table compares monthly weather conditions in Grandview, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)56 mm (2.2 inches)80%moderate
February Weather10°C (50°F)90 mm (3.5 inches)79%high
March Weather16°C (61°F)85 mm (3.4 inches)78%very high
April Weather19°C (66°F)99 mm (3.9 inches)78%very high
May Weather24°C (75°F)174 mm (6.9 inches)81%extreme
June Weather27°C (82°F)81 mm (3.2 inches)78%extreme
July Weather29°C (85°F)62 mm (2.5 inches)73%extreme
August Weather29°C (85°F)98 mm (3.9 inches)66%extreme
September Weather26°C (80°F)71 mm (2.8 inches)65%very high
October Weather20°C (69°F)134 mm (5.3 inches)72%very high
November Weather14°C (57°F)45 mm (1.8 inches)82%high
December Weather11°C (52°F)56 mm (2.2 inches)87%moderate

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