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, recording an average high temperature of 34.3°F (1.3°C) and a low temperature of 22.3°F (-5.4°C), is Westwood's coldest month.Humidity
The average relative humidity in January is 77%.Rainfall
In Westwood, Massachusetts, in January, during 5.8 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, there are 97.1 rainfall days, and 7.13" (181mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Westwood, Massachusetts, during January, snow falls for 5 days and regularly aggregates up to 0.59" (15mm) of snow. Throughout the year, there are 19.5 snowfall days, and 3.74" (95mm) of snow is accumulated.Daylight
In Westwood, Massachusetts, the average length of the day in January is 9h and 31min.On the first day of the month, sunrise is at 7:13 am and sunset at 4:23 pm. On the last day of January, sunrise is at 6:59 am and sunset at 4:57 pm EST.
Sunshine
In Westwood, the average sunshine in January is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Westwood. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 during January translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What month is the coldest in Westwood?
How cold is it in Westwood in January?
What is the average humidity in January in Westwood?
How much does it rain in Westwood in January?
How many days does it snow in January in Westwood?
What is the average length of the day in January in Westwood?
When is the sunrise / sunset in January in Westwood?
How long on average sun shines in January in Westwood?
What is the month with the lowest UV index in Westwood?
What is the UV index intensity in January in Westwood?
Average temperature in January
Westwood, MA
- Average high temperature in January: 34.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in January: 22.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in January
Westwood, 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
Westwood, 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 (5.8mph).
Average humidity in January
Westwood, 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
Westwood, MA
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is April (0.79").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days in January
Westwood, MA
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in January
Westwood, MA
- Average snowfall in January: 0.59"
The months with the highest snowfall are March and December (0.91").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Westwood, MA
- Average snowfall days in January: 5 days
The month with the highest number of snowfall days is January (5 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
Westwood, 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: 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
Westwood, MA
- Average sunshine days in January: 21.3 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (16.8 days).
Average UV index in January
Westwood, 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
Westwood, MA
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Westwood, MA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Westwood, Massachusetts, USA
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