January Weather in Blair, United States

Last updated: June 24, 2025

In Blair, United States, the average temperature in January hovers around 5°C (40°F). You can expect a wide range, with minimums dropping to -15°C (5°F) and maximums reaching up to 26°C (79°F). Additionally, there's a precipitation level of 36 mm (1.4 in) spread over 3 days, contributing to an average humidity of 76%.

January Temperature in Blair

In January in Blair, the average temperature is 5°C (40°F), with highs reaching 26°C (79°F) and lows dipping to -15°C (5°F). This variation makes it essential to pack layers when traveling to Blair during this time.

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

The chart illustrates January temperature patterns in Blair, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blair, January typically has an average temperature of 5°C (40°F), with highs reaching up to 26°C (79°F) and lows dropping to around -15°C (5°F).

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

January Precipitation in Blair

In Blair in January, the precipitation amount is 36 mm (1.4 in) over a period of 3 days.

January Precipitation Trends in Blair

The chart displays monthly precipitation patterns in Blair, 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 Blair, January typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 3 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Blair

In Blair in January, humidity is 76%. With an average temperature of 5°C (40°F), this humidity feels like an unwelcome chill that clings to your skin, making it difficult to fully enjoy your travels.

January Average Humidity in Blair

This chart illustrates the average monthly humidity levels in Blair, 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 Blair is approximately 76%, 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 Blair

In Blair in January, 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 Blair for better planning.

Maximum UV Index Levels in Blair for January

The chart shows the monthly maximum UV Index (UVI) for Blair 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 Blair typically reaches 4, which falls under the moderate exposure category.

Data source: Blair 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 Blair Compares to Other Months

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

This table compares monthly weather conditions in Blair, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (40°F)	36 mm (1.4 inches)	76%	moderate
February Weather	5°C (42°F)	27 mm (1.0 inches)	76%	high
March Weather	13°C (55°F)	64 mm (2.5 inches)	70%	very high
April Weather	16°C (61°F)	83 mm (3.3 inches)	72%	very high
May Weather	22°C (71°F)	125 mm (4.9 inches)	82%	extreme
June Weather	27°C (81°F)	66 mm (2.6 inches)	82%	extreme
July Weather	29°C (85°F)	29 mm (1.1 inches)	80%	extreme
August Weather	28°C (83°F)	36 mm (1.4 inches)	72%	extreme
September Weather	24°C (76°F)	84 mm (3.3 inches)	64%	very high
October Weather	17°C (63°F)	74 mm (2.9 inches)	71%	high
November Weather	11°C (51°F)	19 mm (0.8 inches)	81%	moderate
December Weather	7°C (45°F)	26 mm (1.0 inches)	84%	moderate