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
Morristown records the coldest temperatures in January, averaging a high of 25.2°F (-3.8°C) and a low of 11.7°F (-11.3°C).Humidity
The most humid month is January, with an average relative humidity of 85%.Rainfall
The month with the least rainfall in Morristown is January, when the rain falls for 2.9 days and typically collects 0.47" (12mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Morristown, during January, snow falls for 12.8 days and regularly aggregates up to 2.95" (75mm) of snow. Throughout the year, in Morristown, there are 65.8 snowfall days, and 21.42" (544mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 8min.On the first day of January in Morristown, sunrise is at 7:28 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 4:50 pm MST.
Sunshine
January has the least sunshine of the year, with an average of 4.6h of sunshine.UV index
In Morristown, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 2 in January translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Morristown?
How cold is it in Morristown in January?
What is the most humid month in Morristown?
What is the average humidity in January in Morristown?
What is the driest month in Morristown?
How many days does it rain in January in Morristown?
How much does it snow in Morristown in January?
What is the average length of the day in January in Morristown?
What time are sunrise and sunset in January in Morristown?
What is the month with the least sunshine in Morristown?
How long on average sun shines in January in Morristown?
What is the UV index reading in January in Morristown?
Average temperature in January
Morristown, SD
- Average high temperature in January: 25.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in January: 11.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in January
Morristown, SD
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in January
Morristown, SD
- Average wind speed in January: 11.4mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in January
Morristown, SD
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in January
Morristown, SD
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in January
Morristown, SD
- Average rainfall days in January: 2.9 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in January
Morristown, SD
- Average snowfall in January: 2.95"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Morristown, SD
- Average snowfall days in January: 12.8 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Morristown, SD
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in January
Morristown, SD
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in January
Morristown, SD
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Morristown, SD
- Average cloud cover in January: 52
The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in January
Morristown, SD
- 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).
Morristown, South Dakota, USA
Weather forecast for your location
2. Allow the app to use your location