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
The ushering in of January brings an average high-temperature of a still wintry 32.5°F (0.3°C), closely mirroring the 32.4°F (0.2°C) of December. January brings an average low-temperature of 18.1°F (-7.7°C) to Allen.Humidity
With an average relative humidity of 80%, January is the most humid month.Rainfall
The month with the least rainfall in Allen is January, when the rain falls for 3.5 days and typically collects 0.55" (14mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Allen. In Allen, in January, snow falls for 10.2 days, with typically accumulated 2.87" (73mm) of snow. Throughout the year, there are 47.4 snowfall days, and 22.72" (577mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 25min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:22 pm. On the last day of January, in Allen, sunrise is at 7:04 am and sunset at 4:57 pm MST.
Sunshine
The average sunshine in January is 5.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In January, an average UV index of 2 transforms into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Allen in January?
What is the most humid month in Allen?
What is the average humidity in January in Allen?
What is the driest month in Allen?
How many days does it rain in January in Allen?
How many days does it snow in January in Allen?
How many hours of daylight does Allen have in January?
What time are sunrise and sunset in January in Allen?
How long on average sun shines in January in Allen?
When is the lowest UV index in Allen?
How high is the UV index in January in Allen?
Average temperature in January
Allen, SD
- Average high temperature in January: 32.5°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in January: 18.1°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in January
Allen, SD
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Allen, SD
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).
Average humidity in January
Allen, SD
- Average humidity in January: 80%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (48%).
Average rainfall in January
Allen, SD
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in January
Allen, SD
- Average rainfall days in January: 3.5 days
The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are February and December (2.5 days).
Average snowfall in January
Allen, SD
- Average snowfall in January: 2.87"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Allen, SD
- Average snowfall days in January: 10.2 days
The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Allen, SD
- 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 0min).
- Average sunshine in January: 5h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in January
Allen, SD
- Average sunshine days in January: 18.6 days
The month with the most sunshine days is September (22.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in January
Allen, SD
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Allen, SD
- Average cloud cover in January: 42
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in January
Allen, 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).
Allen, South Dakota, USA
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