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
The month of January, characterized by an average high of 38.7°F (3.7°C) and a low of 31.6°F (-0.2°C), is recognized as the coldest.Humidity
The average relative humidity in January is 75%.Rainfall
In Truro, Massachusetts, in January, it is raining for 8.9 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, in Truro, there are 136.1 rainfall days, and 17.24" (438mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Truro, in January, during 6.1 snowfall days, 0.91" (23mm) of snow is typically accumulated. Throughout the year, in Truro, there are 22.1 snowfall days, and 2.95" (75mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 32min.On the first day of January, sunrise is at 7:08 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:53 pm EST.
Sunshine
In January, the average sunshine in Truro is 4.5h.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 reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 in January translates into this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Enhance your sun protection with tightly woven, yet airy clothing. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What are the coldest months in Truro?
How cold is January in Truro?
What is the average humidity in January in Truro?
How many days does it rain in January in Truro?
How many days does it snow in January in Truro?
What is the average length of the day in January in Truro?
When is the sunrise / sunset in January in Truro?
How long on average sun shines in January in Truro?
When is the lowest UV index in Truro?
What is the UV index intensity in January in Truro?
Average temperature in January
Truro, MA
- Average high temperature in January: 38.7°F
The warmest month (with the highest average high temperature) is August (71.1°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in January: 31.6°F
The month with the highest average low temperature is August (67.6°F).
The coldest months (with the lowest average low temperature) are January and February (31.6°F).
Average pressure in January
Truro, MA
- Average pressure in January: 29.99"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Truro, MA
- Average wind speed in January: 18.5mph
The windiest month (with the highest average wind speed) is January (18.5mph).
The calmest months (with the lowest average wind speed) are July and August (11.6mph).
Average humidity in January
Truro, MA
- Average humidity in January: 75%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (74%).
Average rainfall in January
Truro, MA
- Average rainfall in January: 1.26"
The wettest month (with the highest rainfall) is October (2.17").
The driest months (with the least rainfall) are February and November (1.18").
Average rainfall days in January
Truro, MA
- Average rainfall days in January: 8.9 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in January
Truro, MA
- Average snowfall in January: 0.91"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Truro, MA
- Average snowfall days in January: 6.1 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Truro, 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in January
Truro, MA
- Average sunshine days in January: 13.3 days
The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is December (13.1 days).
Average UV index in January
Truro, MA
- Average UV index in January: 2
The months with the highest UV index are 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
Truro, MA
- Average cloud cover in January: 53
The month with the most cloud cover is December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Truro, 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).
Truro, Massachusetts, USA
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