January Weather in Blair, United States

Last updated: June 24, 2025

In January, the average temperature in Blair, United States dips to a chilly -8°C (19°F), with extremes ranging from a brisk -33°C (-27°F) to a mild 9°C (48°F). Expect about 33 mm (1.3 in) of precipitation spread over 6 days. With an average humidity of 88%, it's a time when the air feels particularly crisp and invigorating.

January Temperature in Blair

In January in Blair, the average temperature is -8°C (19°F). The maximum can reach 9°C (48°F), while the minimum can drop as low as -33°C (-27°F). Travelers should prepare for a wide range of temperatures and dress in layers to stay comfortable.

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 -8°C (19°F), with highs reaching up to 9°C (48°F) and lows dropping to around -33°C (-27°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 33 mm (1.3 in) over the course of 6 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 33 mm (1.3 inches) of precipitation spread over approximately 6 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 88%. With an average temperature of -8°C (19°F), this humidity feels like a thick, biting chill that seeps into your bones, making travel quite uncomfortable and demanding extra layers to stay warm and dry.

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 88%, 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 is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Blair, you can visit Hourly UV Index in Blair.

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 2, which falls under the low 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	-8°C (19°F)	33 mm (1.3 inches)	88%	low
February Weather	-7°C (20°F)	49 mm (1.9 inches)	89%	moderate
March Weather	1°C (35°F)	57 mm (2.2 inches)	86%	moderate
April Weather	7°C (45°F)	93 mm (3.6 inches)	85%	very high
May Weather	15°C (59°F)	140 mm (5.5 inches)	79%	very high
June Weather	21°C (70°F)	154 mm (6.1 inches)	80%	very high
July Weather	23°C (74°F)	102 mm (4.0 inches)	80%	very high
August Weather	21°C (70°F)	144 mm (5.7 inches)	78%	very high
September Weather	18°C (64°F)	110 mm (4.3 inches)	80%	high
October Weather	9°C (49°F)	119 mm (4.7 inches)	84%	moderate
November Weather	1°C (34°F)	54 mm (2.1 inches)	89%	moderate
December Weather	-4°C (26°F)	47 mm (1.9 inches)	85%	low