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 coldest temperatures occur during January, when averages reach a peak of 27.9°F (-2.3°C) and a low of 15.1°F (-9.4°C).Humidity
The average relative humidity in January in Troy is 84%.Rainfall
In Troy, in January, during 6.3 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Troy, during the entire year, the rain falls for 125.1 days and collects up to 11.69" (297mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Troy. January is the month with the most snowfall in Troy. Snow falls for 9.2 days and accumulates 2.64" (67mm) of snow.Daylight
The average length of the day in January in Troy is 9h and 28min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:24 pm. On the last day of January, sunrise is at 7:04 am and sunset at 4:59 pm EST.
Sunshine
In January, the average sunshine is 4.9h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Troy. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Troy?
How cold is January in Troy?
What is the average humidity in January in Troy?
How many days does it rain in January in Troy?
When does it snow the most in Troy?
How many days does it snow in January in Troy?
What is the average length of the day in January in Troy?
When are sunrise and sunset in January in Troy?
How many hours of sunshine does Troy have in January?
When is the lowest UV index in Troy?
How high is the UV index in January in Troy?
Average temperature in January
Troy, NH
- Average high temperature in January: 27.9°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in January: 15.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in January
Troy, NH
- Average pressure in January: 30.02"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Troy, NH
- Average wind speed in January: 7.9mph
The windiest months (with the highest average wind speed) are January, February and March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in January
Troy, NH
- Average humidity in January: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in January
Troy, NH
- Average rainfall in January: 0.83"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.75").
Average rainfall days in January
Troy, NH
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in January
Troy, NH
- Average snowfall in January: 2.64"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Troy, NH
- Average snowfall days in January: 9.2 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Troy, NH
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Troy, NH
- Average sunshine days in January: 19.6 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in January
Troy, NH
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Troy, NH
- Average cloud cover in January: 47
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Troy, NH
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Troy, New Hampshire, USA
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