December Weather in Wallis, United States

Last updated: June 24, 2025

In Wallis, United States, the average temperature in December hovers around 14°C (58°F), with a minimum dipping to -3°C (27°F) and a maximum soaring to 29°C (84°F). This month experiences 103 mm (4.1 in) of precipitation over approximately 9 days, contributing to a relatively high average humidity of 84%.

December Temperature in Wallis

In December in Wallis, the average temperature is 14°C (58°F). Maximum temperatures can reach 29°C (84°F), while minimums can drop as low as -3°C (27°F). This varied climate makes Wallis an exciting destination for travelers seeking both warm days and cool nights.

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

The chart illustrates December temperature patterns in Wallis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wallis, December typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (84°F) and lows dropping to around -3°C (27°F).

Data source: Temperature data for Wallis generated using information from the Copernicus Climate Change Service.

December Precipitation in Wallis

In Wallis in December, the precipitation amount is 103 mm (4.1 in) distributed over 9 days.

December Precipitation Trends in Wallis

The chart displays monthly precipitation patterns in Wallis, 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 Wallis, December typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Wallis

In Wallis in December humidity is 84%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket enveloping you, making every step feel sluggish and damp, which can be uncomfortable for traveling.

December Average Humidity in Wallis

This chart illustrates the average monthly humidity levels in Wallis, 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 Wallis is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Wallis

In Wallis in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Wallis.

Maximum UV Index Levels in Wallis for December

The chart shows the monthly maximum UV Index (UVI) for Wallis 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 Wallis typically reaches 5, which falls under the moderate exposure category.

Data source: Wallis 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 Wallis Compares to Other Months

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

This table compares monthly weather conditions in Wallis, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (55°F)	74 mm (2.9 inches)	78%	moderate
February Weather	14°C (57°F)	89 mm (3.5 inches)	81%	very high
March Weather	19°C (66°F)	66 mm (2.6 inches)	76%	very high
April Weather	21°C (70°F)	75 mm (3.0 inches)	79%	extreme
May Weather	26°C (78°F)	161 mm (6.3 inches)	79%	extreme
June Weather	28°C (83°F)	145 mm (5.7 inches)	74%	extreme
July Weather	29°C (84°F)	118 mm (4.7 inches)	71%	extreme
August Weather	29°C (85°F)	161 mm (6.3 inches)	68%	extreme
September Weather	27°C (80°F)	148 mm (5.8 inches)	73%	very high
October Weather	22°C (72°F)	88 mm (3.5 inches)	75%	very high
November Weather	17°C (63°F)	75 mm (2.9 inches)	78%	high
December Weather	14°C (58°F)	103 mm (4.1 inches)	84%	moderate