January Weather in Mason, United States

Last updated: June 24, 2025

In January, the average temperature in Mason, United States hovers around 10°C (50°F), making it a serene time of year. Be prepared for a wide range of temperatures, where the minimum can drop to -10°C (15°F), while the maximum may soar to 30°C (86°F). During this month, you can expect about 33 mm (1.3 in) of precipitation spread over 4 days, coupled with an average humidity of 78%. Stay comfortable and enjoy the season!

January Temperature in Mason

In January in Mason, the average temperature is 10°C (50°F). Maximum temperatures can reach 30°C (86°F), while minimum temperatures can drop as low as -10°C (15°F). This variation in climate makes Mason a destination where travelers should be prepared for both warm and cold weather conditions.

January Weather in Mason: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Mason, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mason, January typically has an average temperature of 10°C (50°F), with highs reaching up to 30°C (86°F) and lows dropping to around -10°C (15°F).

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

January Precipitation in Mason

In Mason in January, the precipitation amount is 33 mm (1.3 in) over a span of 4 days.

January Precipitation Trends in Mason

The chart displays monthly precipitation patterns in Mason, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Mason, January typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 4 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Mason

In Mason in January humidity is 78%. With an average temperature of 10°C (50°F), this humidity feels like a chilly dampness that can seep into your clothes, making outdoor activities less enjoyable and requiring extra layers to stay warm as you explore the area.

January Average Humidity in Mason

This chart illustrates the average monthly humidity levels in Mason, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Mason is approximately 78%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Mason

In Mason in January, 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 Mason.

Maximum UV Index Levels in Mason for January

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

Data source: Mason January 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 January Weather in Mason Compares to Other Months

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

This table compares monthly weather conditions in Mason, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	33 mm (1.3 inches)	78%	moderate
February Weather	11°C (52°F)	39 mm (1.6 inches)	78%	high
March Weather	17°C (62°F)	62 mm (2.4 inches)	77%	very high
April Weather	20°C (68°F)	67 mm (2.6 inches)	78%	extreme
May Weather	24°C (76°F)	132 mm (5.2 inches)	82%	extreme
June Weather	28°C (82°F)	45 mm (1.8 inches)	78%	extreme
July Weather	29°C (85°F)	28 mm (1.1 inches)	69%	extreme
August Weather	29°C (85°F)	37 mm (1.5 inches)	63%	extreme
September Weather	26°C (79°F)	67 mm (2.6 inches)	66%	very high
October Weather	20°C (69°F)	63 mm (2.5 inches)	73%	very high
November Weather	15°C (58°F)	26 mm (1.0 inches)	84%	high
December Weather	12°C (53°F)	36 mm (1.4 inches)	87%	moderate