January weather forecastPlaistow, NH
January
Weather in January
January, the same as December, is a wintry winter month in Plaistow, New Hampshire, with an average temperature fluctuating between 20.5°F (-6.4°C) and 32.5°F (0.3°C).Temperature
January, having an average high-temperature of 32.5°F (0.3°C) and an average low-temperature of 20.5°F (-6.4°C), is the coldest month.Humidity
In January, the average relative humidity is 78%.Rainfall
In January, the rain falls for 3.6 days. Throughout January, 0.39" (10mm) of precipitation is accumulated. Throughout the year, there are 78.3 rainfall days, and 5.43" (138mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Plaistow, during January, snow falls for 3.7 days and regularly aggregates up to 0.43" (11mm) of snow. In Plaistow, during the entire year, snow falls for 17.2 days and aggregates up to 2.6" (66mm) of snow.Daylight
In Plaistow, the average length of the day in January is 9h and 28min.On the first day of January in Plaistow, New Hampshire, sunrise is at 7:15 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 4:55 pm EST.
Sunshine
In January, the average sunshine is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Plaistow. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 in January translates into this advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Plaistow, NH
- Average high temperature in January: 32.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in January: 20.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in January
Plaistow, 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
Plaistow, NH
- Average wind speed in January: 9.5mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in January
Plaistow, 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 (71%).
Average rainfall in January
Plaistow, NH
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in January
Plaistow, NH
- Average rainfall days in January: 3.6 days
The month with the highest number of rainy days is July (8.8 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in January
Plaistow, NH
- Average snowfall in January: 0.43"
The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Plaistow, NH
- Average snowfall days in January: 3.7 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Plaistow, NH
- Average daylight in January: 9h and 30min
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 6min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Plaistow, NH
- Average sunshine days in January: 24.5 days
The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is April (18.4 days).
Average UV index in January
Plaistow, NH
- Average UV index in January: 2
The months with the highest UV index are June, 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
Plaistow, NH
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Plaistow, 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).
