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
Pomeroy experiences its lowest average temperatures in January, reaching a peak of 25°F (-3.9°C) and a minimum of 12.4°F (-10.9°C).Humidity
January is the most humid month, with an average relative humidity of 85%.Rainfall
January is the month with the least rainfall. Rain falls for 2.3 days and accumulates 0.24" (6mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Pomeroy, during January, snow falls for 7.5 days and regularly aggregates up to 0.98" (25mm) of snow. In Pomeroy, Iowa, during the entire year, snow falls for 29.4 days and aggregates up to 3.62" (92mm) of snow.Daylight
The average length of the day in January is 9h and 29min.On the first day of the month, sunrise is at 7:48 am and sunset at 4:55 pm. On the last day of January, in Pomeroy, sunrise is at 7:33 am and sunset at 5:30 pm CST.
Sunshine
January has the least sunshine of the year in Pomeroy, with an average of 4h of sunshine.UV index
January and February, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 1 during January morphs into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Pomeroy?
How cold is January in Pomeroy?
What is the most humid month in Pomeroy?
What is the average humidity in January in Pomeroy?
What is the driest month in Pomeroy?
How much does it rain in Pomeroy in January?
How many days does it snow in January in Pomeroy?
What is the average length of the day in January in Pomeroy?
When are sunrise and sunset in January in Pomeroy?
What is the month with the least sunshine in Pomeroy?
How many hours of sunshine does Pomeroy have in January?
When is the lowest UV index in Pomeroy?
What is the UV index reading in January in Pomeroy?
Average temperature in January
Pomeroy, IA
- Average high temperature in January: 25°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in January: 12.4°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in January
Pomeroy, 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
Pomeroy, IA
- Average wind speed in January: 10.8mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in January
Pomeroy, IA
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in January
Pomeroy, IA
- Average rainfall in January: 0.24"
The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in January
Pomeroy, IA
- Average rainfall days in January: 2.3 days
The month with the highest number of rainy days is June (12 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in January
Pomeroy, IA
- Average snowfall in January: 0.98"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Pomeroy, IA
- Average snowfall days in January: 7.5 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Pomeroy, IA
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in January
Pomeroy, IA
- Average sunshine days in January: 23.8 days
The month with the most sunshine days is December (24.3 days).
The month with the least sunshine days is June (15.5 days).
Average UV index in January
Pomeroy, IA
- 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 February (UV index 1).
Average cloud cover in January
Pomeroy, IA
- Average cloud cover in January: 57
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in January
Pomeroy, IA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Pomeroy, Iowa, USA
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