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
January is the coldest month, with an average high-temperature of 24.3°F (-4.3°C) and an average low-temperature of 12.2°F (-11°C).Humidity
January is the most humid month in Dyersville, Iowa, with an average relative humidity of 88%.Rainfall
The month with the least rainfall in Dyersville is January, when the rain falls for 4.9 days and typically collects 1.34" (34mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Dyersville. January is the month with the most snowfall. Snow falls for 14 days and accumulates 6.22" (158mm) of snow.Daylight
In Dyersville, the average length of the day in January is 9h and 29min.On the first day of January in Dyersville, Iowa, sunrise is at 7:33 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:16 pm CST.
Sunshine
With an average of 3.5h of sunshine, January has the least sunshine of the year in Dyersville, Iowa.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Dyersville, Iowa. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the maximum UV index of 1 suggests these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What are the coldest months in Dyersville?
How cold is it in Dyersville in January?
What is the most humid month in Dyersville?
What is the average humidity in January in Dyersville?
What is the driest month in Dyersville?
How much does it rain in Dyersville in January?
When does it snow the most in Dyersville?
How much does it snow in Dyersville in January?
How many hours of daylight does Dyersville have in January?
What time are sunrise and sunset in January in Dyersville?
What is the month with the least sunshine in Dyersville?
How many hours of sunshine does Dyersville have in January?
What are the months with the lowest UV index in Dyersville?
What is the UV index intensity in January in Dyersville?
Average temperature in January
Dyersville, IA
- Average high temperature in January: 24.3°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in January: 12.2°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in January
Dyersville, IA
- 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 (29.9"Hg).
Average wind speed in January
Dyersville, IA
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in January
Dyersville, IA
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in January
Dyersville, IA
- Average rainfall in January: 1.34"
The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in January
Dyersville, IA
- Average rainfall days in January: 4.9 days
The months with the highest number of rainy days are May and June (19.9 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in January
Dyersville, IA
- Average snowfall in January: 6.22"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Dyersville, IA
- Average snowfall days in January: 14 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Dyersville, IA
- Average daylight in January: 9h and 3min
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 6min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Dyersville, IA
- Average sunshine days in January: 14.3 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in January
Dyersville, IA
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in January
Dyersville, IA
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in January
Dyersville, IA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Dyersville, Iowa, USA
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