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
Jamestown experiences its lowest temperatures in January, with an average peak of 17.8°F (-7.9°C) and a low of 3.6°F (-15.8°C).Humidity
January is the most humid month, with an average relative humidity of 90%.Rainfall
The month with the least rainfall in Jamestown, North Dakota, is January, when the rain falls for 2.7 days and typically collects 0.55" (14mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Jamestown. In Jamestown, in January, snow falls for 12.8 days, with typically accumulated 3.35" (85mm) of snow. In Jamestown, during the entire year, snow falls for 63 days and aggregates up to 20.91" (531mm) of snow.Daylight
The average length of the day in January in Jamestown is 9h and 2min.On the first day of January, sunrise is at 8:20 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:35 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.6h of sunshine.UV index
January, February and November, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 1 in January leads to these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Jamestown?
How cold is January in Jamestown?
What is the most humid month in Jamestown?
What is the average humidity in January in Jamestown?
What is the driest month in Jamestown?
How many days does it rain in January in Jamestown?
How much does it snow in Jamestown in January?
How many hours of daylight does Jamestown have in January?
What time are sunrise and sunset in January in Jamestown?
What is the month with the least sunshine in Jamestown?
How long on average sun shines in January in Jamestown?
What is the month with the lowest UV index in Jamestown?
What is the UV index reading in January in Jamestown?
Average temperature in January
Jamestown, ND
- Average high temperature in January: 17.8°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (17.8°F).
- Average low temperature in January: 3.6°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (3.6°F).
Average pressure in January
Jamestown, ND
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Jamestown, ND
- Average wind speed in January: 10.9mph
The windiest month (with the highest average wind speed) is October (11.2mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in January
Jamestown, ND
- Average humidity in January: 90%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (59%).
Average rainfall in January
Jamestown, ND
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is June (2.95").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in January
Jamestown, ND
- Average rainfall days in January: 2.7 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (1.6 days).
Average snowfall in January
Jamestown, ND
- Average snowfall in January: 3.35"
The month with the highest snowfall is December (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Jamestown, ND
- Average snowfall days in January: 12.8 days
The month with the highest number of snowfall days is December (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Jamestown, ND
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Jamestown, ND
- Average sunshine days in January: 16.9 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (12 days).
Average UV index in January
Jamestown, ND
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in January
Jamestown, ND
- Average cloud cover in January: 62
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 24).
Average visibility in January
Jamestown, ND
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Jamestown, North Dakota, USA
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