Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, with average temperatures reaching a high of 30.9°F (-0.6°C) and a low of 18.3°F (-7.6°C), is the coldest month.Humidity
In January, the average relative humidity is 79%.Rainfall
In Southwick, Massachusetts, during January, the rain falls for 7.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Southwick, during the entire year, the rain falls for 165.4 days and collects up to 34.45" (875mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Southwick, in January, during 9.1 snowfall days, 4.65" (118mm) of snow is typically accumulated. In Southwick, during the entire year, snow falls for 37.5 days and aggregates up to 21.26" (540mm) of snow.Daylight
In Southwick, the average length of the day in January is 9h and 32min.On the first day of January, sunrise is at 7:19 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:03 pm EST.
Sunshine
The average sunshine in January is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To cut down UV radiation exposure by about half, sport a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is January in Southwick?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Southwick, MA
- Average high temperature in January: 30.9°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in January: 18.3°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in January
Southwick, MA
- Average pressure in January: 30.03"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Southwick, MA
- Average wind speed in January: 8.4mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in January
Southwick, MA
- Average humidity in January: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Southwick, MA
- Average rainfall in January: 2.28"
The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in January
Southwick, MA
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in January
Southwick, MA
- Average snowfall in January: 4.65"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Southwick, MA
- Average snowfall days in January: 9.1 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Southwick, MA
- Average daylight in January: 9h and 3min
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: 4h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in January
Southwick, MA
- Average sunshine days in January: 16.6 days
The month with the most sunshine days is January (16.6 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in January
Southwick, MA
- Average UV index in January: 2
The month with the highest UV index is June (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
Southwick, MA
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in January
Southwick, MA
- Average visibility in January: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Southwick, Massachusetts, USA
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