December Weather in Gateway, United States

Last updated: June 24, 2025

In December, the average temperature in Gateway, United States hovers around -8°C (18°F), with minimums plunging to -26°C (-15°F) and maximums reaching up to 6°C (43°F). Expect 119 mm (4.7 in) of precipitation spread over 18 days, contributing to a high average humidity of 96%—perfect for those who enjoy a winter wonderland! ❄️

December Temperature in Gateway

In December in Gateway, the average temperature is -8°C (18°F). Maximums can reach 6°C (43°F), while minimums can plunge as low as -26°C (-15°F). Be sure to dress warmly and prepare for variable weather conditions when traveling during this time.

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

The chart illustrates December temperature patterns in Gateway, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gateway, December typically has an average temperature of -8°C (18°F), with highs reaching up to 6°C (43°F) and lows dropping to around -26°C (-15°F).

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

December Precipitation in Gateway

In Gateway in December, the precipitation amount is 119 mm (4.7 in) over the course of 18 days.

December Precipitation Trends in Gateway

The chart displays monthly precipitation patterns in Gateway, 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 Gateway, December typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 18 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Gateway

In Gateway in December humidity is 96%. With an average temperature of -8°C (18°F), this humidity feels like an icy embrace, making traveling quite challenging as the cold dampness seeps into your bones, leaving you feeling chilled and uncomfortable.

December Average Humidity in Gateway

This chart illustrates the average monthly humidity levels in Gateway, 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 Gateway is approximately 96%, 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 Gateway

In Gateway in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Gateway.

Maximum UV Index Levels in Gateway for December

The chart shows the monthly maximum UV Index (UVI) for Gateway 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 Gateway typically reaches 1, which falls under the low exposure category.

Data source: Gateway 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 Gateway Compares to Other Months

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

This table compares monthly weather conditions in Gateway, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-11°C (12°F)	65 mm (2.6 inches)	94%	low
February Weather	-9°C (16°F)	64 mm (2.5 inches)	93%	low
March Weather	-6°C (21°F)	60 mm (2.4 inches)	91%	moderate
April Weather	1°C (34°F)	49 mm (1.9 inches)	85%	moderate
May Weather	7°C (45°F)	73 mm (2.9 inches)	88%	high
June Weather	12°C (54°F)	86 mm (3.4 inches)	95%	high
July Weather	14°C (58°F)	95 mm (3.7 inches)	102%	high
August Weather	13°C (55°F)	147 mm (5.8 inches)	100%	moderate
September Weather	8°C (47°F)	126 mm (5.0 inches)	96%	moderate
October Weather	2°C (35°F)	156 mm (6.1 inches)	91%	low
November Weather	-7°C (19°F)	98 mm (3.9 inches)	95%	low
December Weather	-8°C (18°F)	119 mm (4.7 inches)	96%	low