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December Weather in Valley Head, United States

Last updated: June 24, 2025

In December, the average temperature in Valley Head, United States hovers around 8°C (47°F). Expect a range from a chilly -7°C (19°F) to a comfortable 23°C (74°F). Be prepared for 162 mm (6.4 in) of precipitation spread over 12 days, and keep in mind the average humidity is a high 88%.

December Temperature in Valley Head

In December in Valley Head, the average temperature is 8°C (47°F). The maximum can reach 23°C (74°F), and the minimum can be as low as -7°C (19°F). Be prepared for a wide range of temperatures, making it essential to pack both warm and light clothing for your trip.

December Weather in Valley Head: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Valley Head, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valley Head, December typically has an average temperature of 8°C (47°F), with highs reaching up to 23°C (74°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec434955617076797874655147
Data source: Temperature data for Valley Head 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 Valley Head

In Valley Head in December, the total precipitation amount reaches 162 mm (6.4 in) over the course of 12 days.

December Precipitation Trends in Valley Head

The chart displays monthly precipitation patterns in Valley Head, 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 Valley Head, December typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1222021821579914211513911514088163
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Valley Head

In Valley Head in December, humidity is 88%. With an average temperature of 8°C (47°F), this humidity feels like a thick, damp blanket wrapping around you, making even short walks feel heavy and uninviting for travel.

December Average Humidity in Valley Head

This chart illustrates the average monthly humidity levels in Valley Head, 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 Valley Head is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Valley Head

In Valley Head 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 Valley Head for better planning.

Maximum UV Index Levels in Valley Head for December

The chart shows the monthly maximum UV Index (UVI) for Valley Head 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 Valley Head typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
Data source: Valley Head 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 Valley Head Compares to Other Months

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

This table compares monthly weather conditions in Valley Head, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)122 mm (4.8 inches)87%moderate
February Weather9°C (49°F)202 mm (8.0 inches)87%high
March Weather13°C (55°F)182 mm (7.2 inches)85%very high
April Weather16°C (61°F)157 mm (6.2 inches)82%very high
May Weather21°C (71°F)99 mm (3.9 inches)83%extreme
June Weather24°C (76°F)142 mm (5.6 inches)82%extreme
July Weather26°C (79°F)115 mm (4.5 inches)78%extreme
August Weather25°C (78°F)139 mm (5.5 inches)67%extreme
September Weather23°C (74°F)115 mm (4.5 inches)64%very high
October Weather18°C (65°F)140 mm (5.5 inches)74%very high
November Weather10°C (51°F)88 mm (3.4 inches)87%high
December Weather8°C (47°F)162 mm (6.4 inches)88%moderate

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