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 brings the lowest temperatures, with an average high of 31.8°F (-0.1°C) and an average low of 20.1°F (-6.6°C).Humidity
In Stratham, the average relative humidity in January is 78%.Rainfall
In Stratham, during January, the rain falls for 3.6 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Stratham, during the entire year, the rain falls for 71.7 days and collects up to 5.28" (134mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Stratham, in January, during 4.9 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Stratham, during the entire year, snow falls for 18.6 days and aggregates up to 2.95" (75mm) of snow.Daylight
In Stratham, New Hampshire, the average length of the day in January is 9h and 26min.On the first day of the month, sunrise is at 7:14 am and sunset at 4:19 pm. On the last day of January, sunrise is at 6:59 am and sunset at 4:54 pm EST.
Sunshine
The average sunshine in January is 5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Stratham?
How cold is January in Stratham?
What is the average humidity in January in Stratham?
How many days does it rain in January in Stratham?
How many days does it snow in January in Stratham?
What is the average length of the day in January in Stratham?
When are sunrise and sunset in January in Stratham?
How many hours of sunshine does Stratham have in January?
What is the month with the lowest UV index in Stratham?
How high is the UV index in January in Stratham?
Average temperature in January
Stratham, NH
- Average high temperature in January: 31.8°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in January: 20.1°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in January
Stratham, 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
Stratham, NH
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in January
Stratham, 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 (73%).
Average rainfall in January
Stratham, NH
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is November (0.63").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in January
Stratham, NH
- Average rainfall days in January: 3.6 days
The month with the highest number of rainy days is July (8.1 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in January
Stratham, NH
- Average snowfall in January: 0.43"
The month with the highest snowfall is December (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Stratham, NH
- Average snowfall days in January: 4.9 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Stratham, 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: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Stratham, NH
- Average sunshine days in January: 23.9 days
The month with the most sunshine days is December (24.5 days).
The month with the least sunshine days is July (19.8 days).
Average UV index in January
Stratham, NH
- Average UV index in January: 2
The months with the highest UV index are 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
Stratham, NH
- Average cloud cover in January: 46
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Stratham, 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).
Stratham, New Hampshire, USA
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