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December Weather in Rigby, United States

Last updated: June 24, 2025

In December, the average temperature in Rigby, United States hovers around -3°C (26°F). Expect a minimum chill of -18°C (1°F) and a mild maximum of 10°C (51°F). Be prepared for 38 mm (1.5 in) of precipitation over 10 days, with an average humidity level of a cool 91%.

December Temperature in Rigby

In December in Rigby, the average temperature is -3°C (26°F), with maximums reaching 10°C (51°F) and minimums plummeting to -18°C (1°F). Travelers should prepare for cold weather conditions and dress warmly if planning to visit during this time.

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

The chart illustrates December temperature patterns in Rigby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rigby, December typically has an average temperature of -3°C (26°F), with highs reaching up to 10°C (51°F) and lows dropping to around -18°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec242838455465737161453526
Data source: Temperature data for Rigby 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 Rigby

In Rigby in December, the precipitation amount is 38 mm (1.5 in) over the course of 10 days.

December Precipitation Trends in Rigby

The chart displays monthly precipitation patterns in Rigby, 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 Rigby, December typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec384245505934101827393138
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rigby

In Rigby in December humidity is 91%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that penetrates through your clothing, making travel uncomfortable and the air crisp with an eerie dampness that can quickly sap your energy.

December Average Humidity in Rigby

This chart illustrates the average monthly humidity levels in Rigby, 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 Rigby is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%95%90%81%71%64%59%49%52%69%86%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rigby

In Rigby 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 Rigby, you can check the information here.

Maximum UV Index Levels in Rigby for December

The chart shows the monthly maximum UV Index (UVI) for Rigby 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 Rigby typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578101111109643
Data source: Rigby 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 Rigby Compares to Other Months

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

This table compares monthly weather conditions in Rigby, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)38 mm (1.5 inches)95%moderate
February Weather-2°C (28°F)42 mm (1.6 inches)95%moderate
March Weather3°C (38°F)44 mm (1.8 inches)90%high
April Weather7°C (45°F)50 mm (2.0 inches)81%very high
May Weather12°C (55°F)59 mm (2.3 inches)71%very high
June Weather18°C (65°F)34 mm (1.3 inches)64%extreme
July Weather23°C (74°F)10 mm (0.4 inches)59%extreme
August Weather21°C (71°F)18 mm (0.7 inches)49%very high
September Weather16°C (61°F)27 mm (1.1 inches)52%very high
October Weather7°C (45°F)39 mm (1.5 inches)69%high
November Weather2°C (35°F)31 mm (1.2 inches)86%moderate
December Weather-3°C (26°F)38 mm (1.5 inches)91%moderate

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