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
In Marlow, January is the coldest month, with temperatures averaging a high of 18.1°F (-7.7°C) and a low of 5.2°F (-14.9°C).Humidity
January is the most humid month, with an average relative humidity of 89%.Rainfall
In Marlow, in January, it is raining for 1.8 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, there are 98.2 rainfall days, and 16.26" (413mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 12.5 days and typically aggregates up to 2.83" (72mm) of snow.Daylight
The average length of the day in January is 9h and 8min.On the first day of January, sunrise is at 8:11 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:32 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.5h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 1 during January leads to these advisories:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index in Marlow?
What is the UV index intensity in January?
Average temperature in January
Marlow, SD
- Average high temperature in January: 18.1°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in January: 5.2°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (5.2°F).
Average pressure in January
Marlow, SD
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in January
Marlow, SD
- Average wind speed in January: 10.3mph
The windiest months (with the highest average wind speed) are April and October (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in January
Marlow, SD
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (64%).
Average rainfall in January
Marlow, SD
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in January
Marlow, SD
- Average rainfall days in January: 1.8 days
The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in January
Marlow, SD
- Average snowfall in January: 2.83"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Marlow, SD
- Average snowfall days in January: 12.5 days
The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Marlow, 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: 3h and 3min
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 30min).
Average sunshine days in January
Marlow, SD
- Average sunshine days in January: 17.3 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in January
Marlow, SD
- 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 and December (UV index 1).
Average cloud cover in January
Marlow, SD
- Average cloud cover in January: 62
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 24).
Average visibility in January
Marlow, SD
- Average visibility in January: 5mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
Marlow, South Dakota, USA
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