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 month that records the lowest temperatures, with averages ranging from a high of 22.5°F (-5.3°C) to a low of 9.9°F (-12.3°C).Humidity
January is the most humid month in Halfa, Iowa, with an average relative humidity of 88%.Rainfall
January is the month with the least rainfall in Halfa. Rain falls for 2.9 days and accumulates 0.87" (22mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Halfa, Iowa, in January, snow falls for 11.3 days, with typically accumulated 3.9" (99mm) of snow. In Halfa, during the entire year, snow falls for 48.8 days and aggregates up to 19.76" (502mm) of snow.Daylight
The average length of the day in January is 9h and 25min.On the first day of the month, sunrise is at 7:50 am and sunset at 4:52 pm. On the last day of January, in Halfa, sunrise is at 7:35 am and sunset at 5:27 pm CST.
Sunshine
January has the least sunshine of the year in Halfa, with an average of 3.9h of sunshine.UV index
January and February, with an average maximum UV index of 1, are months with the lowest UV index in Halfa. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 1 translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Halfa?
How cold is January in Halfa?
What is the most humid month in Halfa?
What is the average humidity in January in Halfa?
What is the driest month in Halfa?
How many days does it rain in January in Halfa?
How many days does it snow in January in Halfa?
What is the average length of the day in January in Halfa?
When are sunrise and sunset in January in Halfa?
What is the month with the least sunshine in Halfa?
How many hours of sunshine does Halfa have in January?
When is the lowest UV index in Halfa?
What is the UV index reading in January in Halfa?
Average temperature in January
Halfa, IA
- Average high temperature in January: 22.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in January: 9.9°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in January
Halfa, IA
- Average pressure in January: 30.15"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Halfa, IA
- Average wind speed in January: 11.2mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in January
Halfa, IA
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in January
Halfa, IA
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in January
Halfa, IA
- Average rainfall days in January: 2.9 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in January
Halfa, IA
- Average snowfall in January: 3.9"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Halfa, IA
- Average snowfall days in January: 11.3 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Halfa, IA
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Halfa, IA
- Average sunshine days in January: 18 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in January
Halfa, 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
Halfa, IA
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in January
Halfa, 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).
Halfa, Iowa, USA
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