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
With average high temperatures of 33.4°F (0.8°C) and lows of 21.7°F (-5.7°C), January is the coldest month.Humidity
The average relative humidity in January is 77%.Rainfall
In Arlington, Massachusetts, in January, it is raining for 7.8 days, with typically 2.24" (57mm) of accumulated precipitation. In Arlington, during the entire year, the rain falls for 142.8 days and collects up to 27.36" (695mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Arlington, in January, during 7.7 snowfall days, 3.07" (78mm) of snow is typically accumulated. In Arlington, during the entire year, snow falls for 29.6 days and aggregates up to 17.8" (452mm) of snow.Daylight
In Arlington, the average length of the day in January is 9h and 30min.On the first day of the month, sunrise is at 7:13 am and sunset at 4:22 pm. On the last day of January, sunrise is at 6:59 am and sunset at 4:56 pm EST.
Sunshine
The average sunshine in January is 5.1h.UV index
The months with the lowest UV index in Arlington are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Arlington?
How cold is it in January?
What is the average humidity in January?
How much 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?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Arlington, MA
- Average high temperature in January: 33.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in January: 21.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in January
Arlington, 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 (29.92"Hg).
Average wind speed in January
Arlington, MA
- Average wind speed in January: 9.4mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in January
Arlington, MA
- Average humidity in January: 77%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall in January
Arlington, MA
- Average rainfall in January: 2.24"
The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in January
Arlington, MA
- Average rainfall days in January: 7.8 days
The months with the highest number of rainy days are May and July (15.3 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in January
Arlington, MA
- Average snowfall in January: 3.07"
The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Arlington, MA
- Average snowfall days in January: 7.7 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Arlington, 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 6min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Arlington, MA
- Average sunshine days in January: 17.4 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is April (13.3 days).
Average UV index in January
Arlington, 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
Arlington, 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 32).
Average visibility in January
Arlington, MA
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Arlington, Massachusetts, USA
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