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 an average high-temperature of 28°F (-2.2°C) and an average low-temperature of 16.2°F (-8.8°C), January is the coldest month.Humidity
The average relative humidity in January is 83%.Rainfall
In Jaffrey, in January, it is raining for 7.3 days, with typically 2.4" (61mm) of accumulated precipitation. In Jaffrey, New Hampshire, during the entire year, the rain falls for 149.5 days and collects up to 32.13" (816mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Jaffrey. In Jaffrey, in January, snow falls for 11.1 days, with typically accumulated 7.76" (197mm) of snow. Throughout the year, in Jaffrey, there are 54.2 snowfall days, and 38.27" (972mm) of snow is accumulated.Daylight
In Jaffrey, the average length of the day in January is 9h and 28min.On the first day of the month, sunrise is at 7:18 am and sunset at 4:24 pm. On the last day of January, sunrise is at 7:03 am and sunset at 4:59 pm EST.
Sunshine
The average sunshine in January in Jaffrey is 4.6h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Jaffrey. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 2 in January translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What is the coldest month in Jaffrey?
How cold is January in Jaffrey?
What is the average humidity in January in Jaffrey?
How many days does it rain in January in Jaffrey?
How many days does it snow in January in Jaffrey?
How many hours of daylight does Jaffrey have in January?
When is the sunrise / sunset in January in Jaffrey?
How long on average sun shines in January in Jaffrey?
What is the month with the lowest UV index in Jaffrey?
How high is the UV index in January in Jaffrey?
Average temperature in January
Jaffrey, NH
- Average high temperature in January: 28°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in January: 16.2°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in January
Jaffrey, 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
Jaffrey, 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
Jaffrey, NH
- Average humidity in January: 83%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in January
Jaffrey, NH
- Average rainfall in January: 2.4"
The wettest month (with the highest rainfall) is October (3.35").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in January
Jaffrey, NH
- Average rainfall days in January: 7.3 days
The months with the highest number of rainy days are May, June and August (15.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in January
Jaffrey, NH
- Average snowfall in January: 7.76"
The month with the highest snowfall is February (9.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Jaffrey, NH
- Average snowfall days in January: 11.1 days
The month with the highest number of snowfall days is February (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Jaffrey, NH
- Average daylight in January: 9h and 3min
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 4min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in January
Jaffrey, NH
- Average sunshine days in January: 15.9 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is March (11.7 days).
Average UV index in January
Jaffrey, 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
Jaffrey, NH
- Average cloud cover in January: 50
The months with the most cloud cover are February and March (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in January
Jaffrey, 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).
Jaffrey, New Hampshire, USA
Weather forecast for your location
2. Allow the app to use your location
