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December Weather in Calpella, United States

Last updated: June 24, 2025

In December, the average temperature in Calpella, United States hovers around 7°C (45°F), with temperatures ranging from a chilly -3°C (28°F) to a pleasant 22°C (72°F). Be prepared for some rain, as 115 mm (4.5 in) of precipitation is expected over approximately 11 days. Additionally, expect a high level of moisture in the air, with an average humidity of 84%. Enjoy your visit!

December Temperature in Calpella

In December in Calpella, the average temperature is 7°C (45°F). The maximum can reach 22°C (72°F), while the minimum can drop to as low as -3°C (28°F). Be prepared for a varied climate if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Calpella, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calpella, December typically has an average temperature of 7°C (45°F), with highs reaching up to 22°C (72°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec454648535867727267595044
Data source: Temperature data for Calpella 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 Calpella

In Calpella in December, the total precipitation amount is 115 mm (4.5 in) spread over 11 days.

December Precipitation Trends in Calpella

The chart displays monthly precipitation patterns in Calpella, 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 Calpella, December typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec172170136795431185492115
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Calpella

In Calpella in December, humidity is 84%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm while exploring the sights.

December Average Humidity in Calpella

This chart illustrates the average monthly humidity levels in Calpella, 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 Calpella is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%80%80%76%70%66%68%72%84%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Calpella

In Calpella 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 Calpella, you can check the information here.

Maximum UV Index Levels in Calpella for December

The chart shows the monthly maximum UV Index (UVI) for Calpella 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 Calpella typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578111111109743
Data source: Calpella 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 Calpella Compares to Other Months

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

This table compares monthly weather conditions in Calpella, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)172 mm (6.8 inches)86%moderate
February Weather8°C (46°F)170 mm (6.7 inches)84%moderate
March Weather9°C (48°F)135 mm (5.3 inches)83%high
April Weather12°C (53°F)79 mm (3.1 inches)80%very high
May Weather15°C (58°F)54 mm (2.1 inches)80%extreme
June Weather19°C (67°F)3 mm (0.1 inches)76%extreme
July Weather22°C (72°F)1 mm (0.0 inches)70%extreme
August Weather22°C (72°F)1 mm (0.1 inches)66%very high
September Weather19°C (67°F)7 mm (0.3 inches)68%very high
October Weather15°C (59°F)54 mm (2.1 inches)72%high
November Weather10°C (50°F)92 mm (3.6 inches)84%moderate
December Weather7°C (45°F)115 mm (4.5 inches)84%moderate

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