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
Watterson's coldest temperatures are experienced in January, with average high temperatures of 30.6°F (-0.8°C) and lows of 16.9°F (-8.4°C).Humidity
In January, the average relative humidity is 80%.Rainfall
In Watterson, in January, during 4.1 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, in Watterson, Iowa, there are 126.9 rainfall days, and 22.6" (574mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall in Watterson is January, when snow falls for 8.4 days and typically aggregates up to 3.54" (90mm) of snow.Daylight
In January, the average length of the day in Watterson is 9h and 40min.On the first day of the month, sunrise is at 7:40 am and sunset at 5:00 pm. On the last day of January, sunrise is at 7:27 am and sunset at 5:32 pm CST.
Sunshine
With an average of 4.6h of sunshine, January has the least sunshine of the year in Watterson.UV index
January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 1 in January translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Watterson?
How cold is January in Watterson?
What is the average humidity in January in Watterson?
How much does it rain in Watterson in January?
What is the snowiest month in Watterson?
How many days does it snow in January in Watterson?
How many hours of daylight does Watterson have in January?
When are sunrise and sunset in January in Watterson?
What is the month with the least sunshine in Watterson?
How many hours of sunshine does Watterson have in January?
What is the month with the lowest UV index in Watterson?
How high is the UV index in January in Watterson?
Average temperature in January
Watterson, IA
- Average high temperature in January: 30.6°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in January: 16.9°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in January
Watterson, 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
Watterson, IA
- Average wind speed in January: 10.3mph
The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in January
Watterson, IA
- Average humidity in January: 80%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Watterson, IA
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are February and December (0.71").
Average rainfall days in January
Watterson, IA
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in January
Watterson, IA
- Average snowfall in January: 3.54"
The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Watterson, IA
- Average snowfall days in January: 8.4 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Watterson, IA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 4min
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 36min).
Average sunshine days in January
Watterson, IA
- Average sunshine days in January: 20 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in January
Watterson, IA
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Watterson, IA
- Average cloud cover in January: 50
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in January
Watterson, IA
- 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).
Watterson, Iowa, USA
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