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December Weather in Hollow Rock, United States

Last updated: June 24, 2025

In Hollow Rock, United States, the average temperature in December hovers around 8°C (46°F). During this time, temperatures can dip as low as -10°C (14°F) and soar to a maximum of 23°C (74°F). Expect 137 mm (5.4 in) of precipitation over approximately 11 days, with average humidity reaching a notable 88%. Be prepared for a mix of chilly weather and ample moisture!

December Temperature in Hollow Rock

In December in Hollow Rock, the average temperature is 8°C (46°F). The maximum can reach 23°C (74°F), while the minimum can drop as low as -10°C (14°F). Be sure to pack accordingly for a range of weather conditions, from warm days to chilly nights.

December Weather in Hollow Rock: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Hollow Rock, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hollow Rock, December typically has an average temperature of 8°C (46°F), with highs reaching up to 23°C (74°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec414453597077817875634946
Data source: Temperature data for Hollow Rock 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 Hollow Rock

In Hollow Rock in December, the total precipitation amount reaches 137 mm (5.4 in) over a span of 11 days.

December Precipitation Trends in Hollow Rock

The chart displays monthly precipitation patterns in Hollow Rock, 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 Hollow Rock, December typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec10217616616712311612311611013191137
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hollow Rock

In Hollow Rock in December, humidity is 88%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel much more uncomfortable than the temperature alone would suggest.

December Average Humidity in Hollow Rock

This chart illustrates the average monthly humidity levels in Hollow Rock, 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 Hollow Rock is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hollow Rock

In Hollow Rock 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 Hollow Rock, you can check the information here.

Maximum UV Index Levels in Hollow Rock for December

The chart shows the monthly maximum UV Index (UVI) for Hollow Rock 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 Hollow Rock typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
Data source: Hollow Rock 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 Hollow Rock Compares to Other Months

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

This table compares monthly weather conditions in Hollow Rock, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)102 mm (4.0 inches)86%moderate
February Weather7°C (45°F)176 mm (6.9 inches)85%high
March Weather12°C (53°F)166 mm (6.5 inches)84%high
April Weather15°C (59°F)167 mm (6.6 inches)81%very high
May Weather21°C (70°F)123 mm (4.8 inches)83%extreme
June Weather25°C (78°F)116 mm (4.6 inches)83%extreme
July Weather27°C (81°F)123 mm (4.8 inches)80%extreme
August Weather26°C (79°F)116 mm (4.6 inches)73%very high
September Weather24°C (75°F)110 mm (4.3 inches)70%very high
October Weather17°C (64°F)131 mm (5.1 inches)73%high
November Weather9°C (49°F)91 mm (3.6 inches)85%moderate
December Weather8°C (46°F)137 mm (5.4 inches)88%moderate

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