January weather forecastMendon, MA
January
Weather in January
January, the same as December, is another cold winter month in Mendon, Massachusetts, with temperature in the range of an average high of 32.5°F (0.3°C) and an average low of 20.5°F (-6.4°C).Temperature
Temperature records mark January as the coldest month, with highs averaging 32.5°F (0.3°C) and lows at 20.5°F (-6.4°C).Humidity
In January, the average relative humidity is 78%.Rainfall
In Mendon, in January, it is raining for 7.7 days, with typically 2.48" (63mm) of accumulated precipitation. In Mendon, during the entire year, the rain falls for 152.2 days and collects up to 30.67" (779mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Mendon, during January, snow falls for 8.4 days and regularly aggregates up to 3.9" (99mm) of snow. Throughout the year, there are 32.5 snowfall days, and 18.78" (477mm) of snow is accumulated.Daylight
In Mendon, the average length of the day in January is 9h and 31min.On the first day of January, sunrise is at 7:14 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 4:58 pm EST.
Sunshine
The average sunshine in January is 5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 in January translates into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Mendon, MA
- Average high temperature in January: 32.5°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in January: 20.5°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in January
Mendon, MA
- Average pressure in January: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Mendon, MA
- Average wind speed in January: 8.9mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in January
Mendon, MA
- Average humidity in January: 78%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).
Average rainfall in January
Mendon, MA
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in January
Mendon, MA
- Average rainfall days in January: 7.7 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in January
Mendon, MA
- Average snowfall in January: 3.9"
The month with the highest snowfall is March (4.92").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Mendon, MA
- Average snowfall days in January: 8.4 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Mendon, MA
- Average daylight in January: 9h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Mendon, MA
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in January
Mendon, MA
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Mendon, MA
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in January
Mendon, MA
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).





