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 is the coldest month, exhibiting average temperatures of 27.7°F (-2.4°C) at the peak and 13.8°F (-10.1°C) at the base.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 85%.Rainfall
In South Effingham, in January, during 6.4 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 138 rainfall days, and 30.08" (764mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 10.6 days. Throughout January, 7.52" (191mm) of snow is accumulated. In South Effingham, New Hampshire, during the entire year, snow falls for 48.9 days and aggregates up to 38.15" (969mm) of snow.Daylight
In South Effingham, the average length of the day in January is 9h and 22min.On the first day of the month, sunrise is at 7:17 am and sunset at 4:17 pm. On the last day of January, sunrise is at 7:01 am and sunset at 4:52 pm EST.
Sunshine
The average sunshine in January is 4.9h.UV index
In South Effingham, New Hampshire, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is January?
What is the most humid month?
What is the average humidity in January in South Effingham?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does South Effingham have in January?
When are sunrise and sunset in January in South Effingham?
How many hours of sunshine does South Effingham have in January?
What is the UV index intensity in January in South Effingham?
Average temperature in January
South Effingham, NH
- Average high temperature in January: 27.7°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in January: 13.8°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in January
South Effingham, NH
- 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 (29.91"Hg).
Average wind speed in January
South Effingham, NH
- Average wind speed in January: 7.6mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in January
South Effingham, NH
- Average humidity in January: 85%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and November (77%).
Average rainfall in January
South Effingham, NH
- Average rainfall in January: 2.2"
The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in January
South Effingham, NH
- Average rainfall days in January: 6.4 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in January
South Effingham, NH
- Average snowfall in January: 7.52"
The month with the highest snowfall is February (9.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
South Effingham, NH
- Average snowfall days in January: 10.6 days
The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
South Effingham, NH
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
South Effingham, NH
- Average sunshine days in January: 16.9 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in January
South Effingham, NH
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in January
South Effingham, NH
- Average cloud cover in January: 47
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in January
South Effingham, NH
- Average visibility in January: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
South Effingham, New Hampshire, USA
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