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December Weather in Harold, United States

Last updated: June 24, 2025

The average temperature in Harold, United States during December is a mild 13°C (56°F). However, temperatures can fluctuate, with a minimum of -4°C (24°F) and a maximum of 28°C (82°F). This month also sees an average precipitation of 124 mm (4.9 in) across 12 days, contributing to an average humidity level of 86%.

December Temperature in Harold

In December in Harold, the average temperature is 13°C (56°F). Maximum temperatures can reach 28°C (82°F), while the minimum can drop as low as -4°C (24°F). Travelers should be prepared for a wide range of weather conditions, making packing versatile clothing essential.

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

The chart illustrates December temperature patterns in Harold, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harold, December typically has an average temperature of 13°C (56°F), with highs reaching up to 28°C (82°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec525963677579818179725955
Data source: Temperature data for Harold 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 Harold

In Harold in December, the total precipitation amount is 124 mm (4.9 in) over a span of 12 days.

December Precipitation Trends in Harold

The chart displays monthly precipitation patterns in Harold, 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 Harold, December typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec881317712611520917319515911254124
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Harold

In Harold in December, humidity is 86%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or air-conditioned spaces frequently.

December Average Humidity in Harold

This chart illustrates the average monthly humidity levels in Harold, 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 Harold is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%79%77%74%70%78%78%79%74%83%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Harold

In Harold 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 Harold for better planning.

Maximum UV Index Levels in Harold for December

The chart shows the monthly maximum UV Index (UVI) for Harold 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 Harold typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121110864
Data source: Harold 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 Harold Compares to Other Months

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

This table compares monthly weather conditions in Harold, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (53°F)88 mm (3.5 inches)83%moderate
February Weather15°C (59°F)131 mm (5.1 inches)82%very high
March Weather17°C (63°F)77 mm (3.0 inches)79%very high
April Weather19°C (67°F)125 mm (4.9 inches)77%extreme
May Weather24°C (75°F)115 mm (4.5 inches)74%extreme
June Weather26°C (80°F)209 mm (8.2 inches)70%extreme
July Weather27°C (81°F)173 mm (6.8 inches)78%extreme
August Weather27°C (81°F)195 mm (7.7 inches)78%extreme
September Weather26°C (79°F)159 mm (6.2 inches)79%very high
October Weather22°C (72°F)112 mm (4.4 inches)74%very high
November Weather15°C (59°F)54 mm (2.1 inches)83%high
December Weather13°C (56°F)124 mm (4.9 inches)86%moderate

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