January Weather in South Hadley, United States

Last updated: June 24, 2025

In January, the average temperature in South Hadley, United States hovers around -2°C (29°F), but it can be quite the rollercoaster with a minimum plummeting to -25°C (-12°F) and a maximum soaring up to 19°C (66°F). Expect 74 mm (2.9 in) of precipitation spread over 8 days, along with a notably high average humidity of 89%. Prepare accordingly!

January Temperature in South Hadley

In January in South Hadley, the average temperature is -2°C (29°F), with maximums reaching 19°C (66°F) and minimums dropping as low as -25°C (-12°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both cold and mild conditions.

January Weather in South Hadley: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in South Hadley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Hadley, January typically has an average temperature of -2°C (29°F), with highs reaching up to 19°C (66°F) and lows dropping to around -25°C (-12°F).

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

January Precipitation in South Hadley

In South Hadley in January, the precipitation amount is 74 mm (2.9 in) over a period of 8 days.

January Precipitation Trends in South Hadley

The chart displays monthly precipitation patterns in South Hadley, 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 South Hadley, January typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 8 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 South Hadley

In South Hadley in January humidity is 89%. With an average temperature of -2°C (29°F), this humidity feels like a suffocating fog that clings to your skin, making outdoor adventures less enjoyable and giving travel a heavy and oppressive feel.

January Average Humidity in South Hadley

This chart illustrates the average monthly humidity levels in South Hadley, 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 South Hadley is approximately 89%, 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 South Hadley

In South Hadley 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 South Hadley, you can check the information here.

Maximum UV Index Levels in South Hadley for January

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

Data source: South Hadley 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 South Hadley Compares to Other Months

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

This table compares monthly weather conditions in South Hadley, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	74 mm (2.9 inches)	89%	moderate
February Weather	0°C (32°F)	91 mm (3.6 inches)	88%	moderate
March Weather	3°C (37°F)	82 mm (3.2 inches)	86%	high
April Weather	9°C (48°F)	130 mm (5.1 inches)	84%	very high
May Weather	15°C (59°F)	99 mm (3.9 inches)	76%	very high
June Weather	20°C (69°F)	78 mm (3.1 inches)	72%	very high
July Weather	23°C (74°F)	144 mm (5.7 inches)	66%	very high
August Weather	23°C (73°F)	81 mm (3.2 inches)	64%	very high
September Weather	19°C (66°F)	97 mm (3.8 inches)	72%	very high
October Weather	13°C (55°F)	142 mm (5.6 inches)	81%	high
November Weather	5°C (41°F)	92 mm (3.6 inches)	87%	moderate
December Weather	0°C (33°F)	119 mm (4.7 inches)	84%	low