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, with average temperatures reaching a high of 27.5°F (-2.5°C) and a low of 14.5°F (-9.7°C), is the coldest month.Humidity
The average relative humidity in January is 84%.Rainfall
January and March are months with the least rain when the rain falls for 4.5 days and typically aggregates up to 1.06" (27mm) of rain.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 7.5 days. Throughout January, 3.98" (101mm) of snow is accumulated. In Walpole, during the entire year, snow falls for 31 days and aggregates up to 16.22" (412mm) of snow.Daylight
The average length of the day in January is 9h and 26min.On the first day of January, sunrise is at 7:21 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:00 pm EST.
Sunshine
In January, the average sunshine is 4.8h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Walpole have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Walpole have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Walpole, NH
- Average high temperature in January: 27.5°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in January: 14.5°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in January
Walpole, 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
Walpole, NH
- Average wind speed in January: 7.6mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Walpole, 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
Walpole, NH
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is October (1.77").
The driest months (with the least rainfall) are January and March (1.06").
Average rainfall days in January
Walpole, NH
- Average rainfall days in January: 4.5 days
The month with the highest number of rainy days is July (12.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in January
Walpole, NH
- Average snowfall in January: 3.98"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Walpole, NH
- Average snowfall days in January: 7.5 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Walpole, 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: 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
Walpole, NH
- Average sunshine days in January: 20.3 days
The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are April and June (16 days).
Average UV index in January
Walpole, NH
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Walpole, NH
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Walpole, NH
- Average visibility in January: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Walpole, New Hampshire, USA
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