January Weather in Alstead, United States

Last updated: June 24, 2025

In January, the average temperature in Alstead, United States hovers around -5°C (24°F), with extremes ranging from a chilling -29°C (-19°F) to a balmy 16°C (61°F). Expect about 70 mm (2.8 in) of precipitation spread across 9 days, contributing to an average humidity level of a moist 86%. Stay prepared for a wintery mix in this frosty destination!

January Temperature in Alstead

In January in Alstead, the average temperature is -5°C (24°F), with maximums that can reach 16°C (61°F) and minimums plummeting as low as -29°C (-19°F). Travelers should be prepared for extreme temperature fluctuations and dress in layers to stay comfortable during their visit.

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

The chart illustrates January temperature patterns in Alstead, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alstead, January typically has an average temperature of -5°C (24°F), with highs reaching up to 16°C (61°F) and lows dropping to around -29°C (-19°F).

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

January Precipitation in Alstead

In Alstead in January, the total precipitation amount is 70 mm (2.8 in) spread over 9 days.

January Precipitation Trends in Alstead

The chart displays monthly precipitation patterns in Alstead, 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 Alstead, January typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 9 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 Alstead

In Alstead in January, humidity is 86%. With an average temperature of -5°C (24°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as even the slightest breeze becomes biting, and your clothing clings uncomfortably to your skin.

January Average Humidity in Alstead

This chart illustrates the average monthly humidity levels in Alstead, 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 Alstead is approximately 86%, 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 Alstead

In Alstead in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Alstead, you can check the information here.

Maximum UV Index Levels in Alstead for January

The chart shows the monthly maximum UV Index (UVI) for Alstead 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 Alstead typically reaches 3, which falls under the moderate exposure category.

Data source: Alstead 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 Alstead Compares to Other Months

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

This table compares monthly weather conditions in Alstead, 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 (24°F)	70 mm (2.8 inches)	86%	moderate
February Weather	-3°C (26°F)	83 mm (3.3 inches)	84%	moderate
March Weather	0°C (33°F)	72 mm (2.8 inches)	82%	high
April Weather	7°C (45°F)	120 mm (4.7 inches)	80%	very high
May Weather	14°C (57°F)	79 mm (3.1 inches)	72%	very high
June Weather	19°C (67°F)	80 mm (3.1 inches)	72%	very high
July Weather	22°C (72°F)	111 mm (4.4 inches)	67%	very high
August Weather	21°C (70°F)	84 mm (3.3 inches)	66%	very high
September Weather	17°C (63°F)	70 mm (2.8 inches)	71%	high
October Weather	11°C (51°F)	133 mm (5.2 inches)	78%	high
November Weather	3°C (37°F)	100 mm (4.0 inches)	84%	moderate
December Weather	-2°C (28°F)	107 mm (4.2 inches)	81%	low