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
During the coldest month, January, temperatures average a high of 28.6°F (-1.9°C) and a low of 16°F (-8.9°C).Humidity
The average relative humidity in January is 83%.Rainfall
In Greenfield, New Hampshire, in January, it is raining for 4.9 days, with typically 0.79" (20mm) of accumulated precipitation. In Greenfield, during the entire year, the rain falls for 113.8 days and collects up to 12.44" (316mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Greenfield, New Hampshire, in January, during 9 snowfall days, 3.15" (80mm) of snow is typically accumulated. In Greenfield, New Hampshire, during the entire year, snow falls for 45.3 days and aggregates up to 18.78" (477mm) of snow.Daylight
In Greenfield, New Hampshire, the average length of the day in January is 9h and 26min.On the first day of January, sunrise is at 7:18 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 4:58 pm EST.
Sunshine
In Greenfield, the average sunshine in January 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 reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In January, the maximum UV index of 2 translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What part of the year is the coldest in Greenfield?
How cold is it in Greenfield in January?
What is the average humidity in January in Greenfield?
How much does it rain in Greenfield in January?
How many days does it snow in January in Greenfield?
How many hours of daylight does Greenfield have in January?
When is the sunrise / sunset in January in Greenfield?
How long on average sun shines in January in Greenfield?
When is the lowest UV index in Greenfield?
How high is the UV index in January in Greenfield?
Average temperature in January
Greenfield, NH
- Average high temperature in January: 28.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in January: 16°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in January
Greenfield, NH
- Average pressure in January: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Greenfield, NH
- Average wind speed in January: 8.4mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Greenfield, NH
- Average humidity in January: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Greenfield, NH
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in January
Greenfield, NH
- Average rainfall days in January: 4.9 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in January
Greenfield, NH
- Average snowfall in January: 3.15"
The month with the highest snowfall is November (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Greenfield, NH
- Average snowfall days in January: 9 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Greenfield, 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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Greenfield, NH
- Average sunshine days in January: 20.3 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in January
Greenfield, 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
Greenfield, NH
- Average cloud cover in January: 48
The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in January
Greenfield, 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).
Greenfield, New Hampshire, USA
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