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December Weather in Blackwater, United States

Last updated: June 24, 2025

In Blackwater, United States, the average temperature in December hovers around 13°C (55°F), with a minimum of -1°C (31°F) and a maximum reaching 28°C (82°F). Expect 27 mm (1.1 in) of precipitation spread over 4 days, accompanied by a relatively high average humidity of 82%. Enjoy the unique climate as it brings its own charm to the season!

December Temperature in Blackwater

In December in Blackwater, the average temperature is 13°C (55°F). The maximum can reach 28°C (82°F), while the minimum can drop to as low as -1°C (31°F). This variation makes it essential for travelers to pack layers to adapt to the changing weather conditions throughout the day.

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

The chart illustrates December temperature patterns in Blackwater, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blackwater, December typically has an average temperature of 13°C (55°F), with highs reaching up to 28°C (82°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec545764748091939287756555
Data source: Temperature data for Blackwater 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 Blackwater

In Blackwater in December, the total precipitation amount is 27 mm (1.1 in) over a span of 4 days.

December Precipitation Trends in Blackwater

The chart displays monthly precipitation patterns in Blackwater, 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 Blackwater, December typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec273120225413624141727
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Blackwater

In Blackwater in December, humidity is 82%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities sticky and uncomfortable for traveling.

December Average Humidity in Blackwater

This chart illustrates the average monthly humidity levels in Blackwater, 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 Blackwater is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%79%67%55%40%33%34%48%64%67%77%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Blackwater

In Blackwater 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 Blackwater for better planning.

Maximum UV Index Levels in Blackwater for December

The chart shows the monthly maximum UV Index (UVI) for Blackwater 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 Blackwater typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111112111110854
Data source: Blackwater 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 Blackwater Compares to Other Months

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

This table compares monthly weather conditions in Blackwater, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)27 mm (1.0 inches)76%moderate
February Weather14°C (57°F)31 mm (1.2 inches)79%high
March Weather18°C (64°F)20 mm (0.8 inches)67%very high
April Weather23°C (74°F)2 mm (0.1 inches)55%extreme
May Weather27°C (81°F)2 mm (0.1 inches)40%extreme
June Weather33°C (91°F)5 mm (0.2 inches)33%extreme
July Weather34°C (93°F)41 mm (1.6 inches)34%extreme
August Weather34°C (93°F)36 mm (1.4 inches)48%extreme
September Weather31°C (87°F)24 mm (1.0 inches)64%very high
October Weather24°C (76°F)14 mm (0.5 inches)67%very high
November Weather18°C (66°F)17 mm (0.7 inches)77%moderate
December Weather13°C (55°F)27 mm (1.1 inches)82%moderate

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