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 and low temperatures of 31.8°F (-0.1°C) and 20.1°F (-6.6°C) respectively, January is Exeter's coldest month.Humidity
The average relative humidity in January is 78%.Rainfall
In Exeter, in January, it is raining for 3.6 days, with typically 0.39" (10mm) of accumulated precipitation. In Exeter, during the entire year, the rain falls for 71.7 days and collects up to 5.28" (134mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Exeter, in January, during 4.9 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Exeter, during the entire year, snow falls for 18.6 days and aggregates up to 2.95" (75mm) of snow.Daylight
The average length of the day in January is 9h and 26min.On the first day of January in Exeter, New Hampshire, sunrise is at 7:14 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:54 pm EST.
Sunshine
In Exeter, the average sunshine in January is 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 exposure to the Sun's UV radiation for the ordinary person.Note: In January, the UV index of 2 transforms into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Exeter?
How cold is it in Exeter in January?
What is the average humidity in January in Exeter?
How much does it rain in Exeter in January?
How many days does it snow in January in Exeter?
How many hours of daylight does Exeter have in January?
What time are sunrise and sunset in January in Exeter?
How many hours of sunshine does Exeter have in January?
What is the month with the lowest UV index in Exeter?
How high is the UV index in January in Exeter?
Average temperature in January
Exeter, NH
- Average high temperature in January: 31.8°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in January: 20.1°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in January
Exeter, NH
- Average pressure in January: 30"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Exeter, NH
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in January
Exeter, NH
- Average humidity in January: 78%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Exeter, NH
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is November (0.63").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in January
Exeter, NH
- Average rainfall days in January: 3.6 days
The month with the highest number of rainy days is July (8.1 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in January
Exeter, NH
- Average snowfall in January: 0.43"
The month with the highest snowfall is December (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Exeter, NH
- Average snowfall days in January: 4.9 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Exeter, NH
- Average daylight in January: 9h and 2min
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: 5h and 0min
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 36min).
Average sunshine days in January
Exeter, NH
- Average sunshine days in January: 23.9 days
The month with the most sunshine days is December (24.5 days).
The month with the least sunshine days is July (19.8 days).
Average UV index in January
Exeter, NH
- 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
Exeter, NH
- Average cloud cover in January: 46
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Exeter, NH
- 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).
Exeter, New Hampshire, USA
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