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
With an average high-temperature of 24.3°F (-4.3°C) and an average low-temperature of 11.7°F (-11.3°C), January is the coldest month.Humidity
With an average relative humidity of 88%, January is the most humid month.Rainfall
In January, the rain falls for 3.1 days. Throughout January, 0.55" (14mm) of precipitation is accumulated. In Masonville, Iowa, during the entire year, the rain falls for 111.7 days and collects up to 13.31" (338mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 10.8 days and accumulates 2.13" (54mm) of snow.Daylight
The average length of the day in January is 9h and 29min.On the first day of January, sunrise is at 7:35 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:18 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.5h of sunshine.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 1 during January morphs into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How many days does it snow in January?
How many hours of daylight does Masonville have in January?
When are sunrise and sunset in January in Masonville?
What is the month with the least sunshine?
How many hours of sunshine does Masonville have in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Masonville, IA
- Average high temperature in January: 24.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in January: 11.7°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in January
Masonville, 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
Masonville, IA
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in January
Masonville, 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 (75%).
Average rainfall in January
Masonville, IA
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in January
Masonville, IA
- Average rainfall days in January: 3.1 days
The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in January
Masonville, IA
- Average snowfall in January: 2.13"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Masonville, 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 May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Masonville, 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 months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Masonville, IA
- Average sunshine days in January: 19.4 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in January
Masonville, 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
Masonville, 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
Masonville, IA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Masonville, Iowa, USA
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