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 sea temperature 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
Des Moines's average high-temperature marks a still chilly 44.6°F (7°C) with the advent of January, closely mirroring that of the preceding month. During January, Des Moines experiences a consistent low-temperature average of 35.2°F (1.8°C).Humidity
January and December, with an average relative humidity of 85%, are the most humid months.Rainfall
In Des Moines, during January, the rain falls for 12.3 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, there are 138.2 rainfall days, and 14.09" (358mm) of precipitation is accumulated.Snowfall
Months with snowfall in Des Moines are January through March, November and December. In Des Moines, during January, snow falls for 1.9 days and regularly aggregates up to 0.83" (21mm) of snow. Throughout the year, there are 9.8 snowfall days, and 4.72" (120mm) of snow is accumulated.Ocean temperature
In January, the average ocean temperature is 46°F (7.8°C).Note: Beware when you're in 46°F (7.8°C) waters; 55.4°F (13°C) is chilling and anything below 50°F (10°C) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
The average length of the day in January is 8h and 59min.On the first day of the month, sunrise is at 7:56 am and sunset at 4:29 pm. On the last day of January, sunrise is at 7:36 am and sunset at 5:08 pm PST.
Sunshine
The average sunshine in January in Des Moines is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Des Moines. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during January translates into the following directions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is January cold in Des Moines?
What are the most humid months in Des Moines?
What is the average humidity in January in Des Moines?
How much does it rain in Des Moines in January?
How much does it snow in Des Moines in January?
What is the ocean temperature in January in Des Moines?
How many hours of daylight does Des Moines have in January?
When are sunrise and sunset in January in Des Moines?
How many hours of sunshine does Des Moines have in January?
What are the months with the lowest UV index in Des Moines?
What is the UV index intensity in January in Des Moines?
Average temperature in January
Des Moines, WA
- Average high temperature in January: 44.6°F
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in January: 35.2°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in January
Des Moines, WA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in January
Des Moines, WA
- Average wind speed in January: 5.2mph
The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are July and August (3.6mph).
Average humidity in January
Des Moines, WA
- Average humidity in January: 85%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (68%).
Average rainfall in January
Des Moines, WA
- Average rainfall in January: 1.54"
The wettest month (with the highest rainfall) is December (2.2").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in January
Des Moines, WA
- Average rainfall days in January: 12.3 days
The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is August (5.7 days).
Average snowfall in January
Des Moines, WA
- Average snowfall in January: 0.83"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Des Moines, WA
- Average snowfall days in January: 1.9 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Des Moines, WA
- Average sea temperature in January: 46°F
The best month for swimming (with the highest average sea temperature) is August (53.7°F).
The coldest month (with the lowest average sea temperature) is February (45.8°F).
Average daylight in January /
Average sunshine in January
Des Moines, WA
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in January
Des Moines, WA
- Average sunshine days in January: 15.6 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (13 days).
Average UV index in January
Des Moines, WA
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Des Moines, WA
- Average cloud cover in January: 57
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in January
Des Moines, WA
- Average visibility in January: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).
Des Moines, Washington, USA
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