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December Weather in Galva, United States

Last updated: June 24, 2025

In Galva, United States, the average temperature in December hovers around 3°C (38°F), with a minimum dipping as low as -15°C (6°F) and a maximum reaching up to 24°C (75°F). Visitors can expect 26 mm (1.0 in) of precipitation spread over about 2 days, alongside an average humidity level of a cozy 83%.

December Temperature in Galva

In December in Galva, the average temperature is 3°C (38°F). Maximums can reach 24°C (75°F) and minimums can be as low as -15°C (6°F). Be prepared for a wide range of temperatures and pack accordingly for your travels.

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

The chart illustrates December temperature patterns in Galva, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Galva, December typically has an average temperature of 3°C (38°F), with highs reaching up to 24°C (75°F) and lows dropping to around -15°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec323347556578817873574537
Data source: Temperature data for Galva 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 Galva

In Galva in December, the precipitation amount is 26 mm (1.0 in) over the course of 2 days.

December Precipitation Trends in Galva

The chart displays monthly precipitation patterns in Galva, 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 Galva, December typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec28347464180898111368863026
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Galva

In Galva in December humidity is 83%. With an average temperature of 3°C (38°F), this humidity feels like a cold, damp embrace that chills you to the bone, making outdoor activities feel brisk and uncomfortable for traveling.

December Average Humidity in Galva

This chart illustrates the average monthly humidity levels in Galva, 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 Galva is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%78%67%70%82%81%80%80%74%71%79%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Galva

In Galva 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 Galva, you can check the information here.

Maximum UV Index Levels in Galva for December

The chart shows the monthly maximum UV Index (UVI) for Galva 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 Galva typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679101111109743
Data source: Galva 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 Galva Compares to Other Months

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

This table compares monthly weather conditions in Galva, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)28 mm (1.1 inches)74%moderate
February Weather1°C (33°F)33 mm (1.3 inches)78%high
March Weather8°C (47°F)74 mm (2.9 inches)67%high
April Weather13°C (55°F)64 mm (2.5 inches)70%very high
May Weather19°C (66°F)180 mm (7.1 inches)82%very high
June Weather26°C (78°F)88 mm (3.5 inches)81%extreme
July Weather27°C (81°F)81 mm (3.2 inches)80%extreme
August Weather25°C (78°F)113 mm (4.5 inches)80%very high
September Weather23°C (73°F)68 mm (2.7 inches)73%very high
October Weather14°C (57°F)86 mm (3.4 inches)71%high
November Weather7°C (45°F)29 mm (1.2 inches)79%moderate
December Weather3°C (38°F)26 mm (1.0 inches)83%moderate

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