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December Weather in Hollis, United States

Last updated: June 24, 2025

In December, the average temperature in Hollis, United States hovers around 7°C (45°F). While it's generally mild, temperatures can be as low as -8°C (17°F) or reach up to 30°C (86°F). The region sees an average precipitation of 23 mm (0.9 in) over 2 days, contributing to an overall humidity level of 81%.

December Temperature in Hollis

In December, in Hollis, the average temperature is 7°C (45°F). The maximum can reach 30°C (86°F), and the minimum can be as low as -8°C (17°F). It's essential to pack layers when traveling during this time to accommodate for the wide range of temperatures.

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

The chart illustrates December temperature patterns in Hollis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hollis, December typically has an average temperature of 7°C (45°F), with highs reaching up to 30°C (86°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec404254617180848275625144
Data source: Temperature data for Hollis 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 Hollis

In Hollis in December, the precipitation amount is 23 mm (0.9 in) over a span of 2 days.

December Precipitation Trends in Hollis

The chart displays monthly precipitation patterns in Hollis, 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 Hollis, December typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec2819624910479303372731723
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hollis

In Hollis in December, humidity is 81%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill wrapping around you, making outdoor adventures slightly uncomfortable and requiring extra layers to stay warm while exploring.

December Average Humidity in Hollis

This chart illustrates the average monthly humidity levels in Hollis, 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 Hollis is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%64%70%78%81%82%78%72%73%81%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hollis

In Hollis 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 Hollis for better planning.

Maximum UV Index Levels in Hollis for December

The chart shows the monthly maximum UV Index (UVI) for Hollis 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 Hollis typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Hollis 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 Hollis Compares to Other Months

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

This table compares monthly weather conditions in Hollis, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)28 mm (1.1 inches)75%moderate
February Weather5°C (42°F)19 mm (0.8 inches)76%high
March Weather12°C (54°F)62 mm (2.5 inches)64%very high
April Weather16°C (61°F)49 mm (1.9 inches)70%very high
May Weather22°C (71°F)104 mm (4.1 inches)78%extreme
June Weather27°C (80°F)79 mm (3.1 inches)81%extreme
July Weather29°C (84°F)30 mm (1.2 inches)82%extreme
August Weather28°C (82°F)33 mm (1.3 inches)78%extreme
September Weather24°C (76°F)72 mm (2.8 inches)72%very high
October Weather17°C (62°F)73 mm (2.9 inches)73%high
November Weather10°C (51°F)17 mm (0.7 inches)80%moderate
December Weather7°C (45°F)23 mm (0.9 inches)81%moderate

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