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December Weather in Croghan, United States

Last updated: June 24, 2025

In December, the average temperature in Croghan, United States hovers around -3°C (27°F). Temperatures can swing dramatically, with a minimum of -28°C (-18°F) and a maximum reaching up to 16°C (61°F). Expect about 109 mm (4.3 in) of precipitation over 15 days, coupled with a high average humidity of 86%. Prepare for chilly and damp conditions!

December Temperature in Croghan

In December in Croghan, the weather can vary significantly, so travelers should be prepared for both chilly conditions and rare warmer spells.

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

The chart illustrates December temperature patterns in Croghan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Croghan, December typically has an average temperature of -3°C (27°F), with highs reaching up to 16°C (61°F) and lows dropping to around -28°C (-18°F).
JanFebMarAprMayJunJulAugSepOctNovDec212431435665706861503527
Data source: Temperature data for Croghan 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 Croghan

In Croghan in December, the precipitation amount is 109 mm (4.3 in) spread over 15 days.

December Precipitation Trends in Croghan

The chart displays monthly precipitation patterns in Croghan, 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 Croghan, December typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec102969512411511516713483169128109
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Croghan

In Croghan in December, humidity is 86%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill, making travel uncomfortable as the cold air penetrates through clothing, leaving you feeling damp and uneasy.

December Average Humidity in Croghan

This chart illustrates the average monthly humidity levels in Croghan, 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 Croghan is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Croghan

In Croghan in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Croghan, you can visit Hourly UV Index in Croghan.

Maximum UV Index Levels in Croghan for December

The chart shows the monthly maximum UV Index (UVI) for Croghan 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 Croghan typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246899997532
Data source: Croghan 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 Croghan Compares to Other Months

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

This table compares monthly weather conditions in Croghan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)102 mm (4.0 inches)90%low
February Weather-4°C (24°F)96 mm (3.8 inches)90%moderate
March Weather-1°C (31°F)95 mm (3.8 inches)87%high
April Weather6°C (44°F)124 mm (4.9 inches)88%very high
May Weather13°C (56°F)115 mm (4.5 inches)82%very high
June Weather18°C (65°F)115 mm (4.5 inches)79%very high
July Weather21°C (70°F)167 mm (6.6 inches)78%very high
August Weather20°C (68°F)134 mm (5.3 inches)76%very high
September Weather16°C (61°F)83 mm (3.3 inches)78%high
October Weather10°C (50°F)169 mm (6.7 inches)84%moderate
November Weather2°C (35°F)128 mm (5.0 inches)89%moderate
December Weather-3°C (27°F)109 mm (4.3 inches)86%low

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