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 coldest time of the year is January, with temperatures averaging a high of 27.1°F (-2.7°C) and a low of 14°F (-10°C).Humidity
With an average relative humidity of 83%, January is the most humid month.Rainfall
January is the month with the least rainfall. Rain falls for 4.9 days and accumulates 0.91" (23mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 10.8 days and typically aggregates up to 3.74" (95mm) of snow.Daylight
In January, the average length of the day is 9h and 33min.On the first day of the month, sunrise is at 7:44 am and sunset at 4:56 pm. On the last day of January, sunrise is at 7:30 am and sunset at 5:30 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.2h of sunshine.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
What is the snowiest month in Dawson?
How much does it snow in Dawson in January?
What is the average length of the day in January?
What time are sunrise and sunset in January in Dawson?
What is the month with the least sunshine?
How many hours of sunshine does Dawson have in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Dawson, IA
- Average high temperature in January: 27.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in January: 14°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in January
Dawson, IA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Dawson, IA
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in January
Dawson, IA
- Average humidity in January: 83%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (69%).
Average rainfall in January
Dawson, IA
- Average rainfall in January: 0.91"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in January
Dawson, IA
- Average rainfall days in January: 4.9 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in January
Dawson, IA
- Average snowfall in January: 3.74"
The month with the highest snowfall is January (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Dawson, IA
- Average snowfall days in January: 10.8 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Dawson, IA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
Dawson, IA
- Average sunshine days in January: 17.9 days
The months with the most sunshine days are October, November and December (18.9 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in January
Dawson, IA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in January
Dawson, IA
- Average cloud cover in January: 54
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in January
Dawson, IA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Dawson, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location