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 tends to be the coldest month, with temperatures averaging a daily high of 28°F (-2.2°C) and a low of 14.9°F (-9.5°C).Humidity
January, February, June and July, with an average relative humidity of 82%, are the most humid months.Rainfall
The months with the least rainfall in Harvey are January and February Rain falls for 3.8 days and accumulates 0.43" (11mm) of rain.Snowfall
January through May, October through December are months with snowfall in Harvey. The month with the most snowfall in Harvey is January, when snow falls for 7.9 days and typically aggregates up to 1.81" (46mm) of snow.Daylight
In January, the average length of the day is 9h and 36min.On the first day of the month, sunrise is at 7:37 am and sunset at 4:52 pm. On the last day of January, in Harvey, sunrise is at 7:23 am and sunset at 5:26 pm CST.
Sunshine
With an average of 4.2h of sunshine, January has the least sunshine of the year in Harvey.UV index
The month with the lowest UV index is January, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 1 in January transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What part of the year is the coldest in Harvey?
How cold is it in Harvey in January?
What are the most humid months in Harvey?
What is the average humidity in January in Harvey?
What is the driest month in Harvey?
How much does it rain in Harvey in January?
What is the snowiest month in Harvey?
How much does it snow in Harvey in January?
What is the average length of the day in January in Harvey?
When is the sunrise / sunset in January in Harvey?
What is the month with the least sunshine in Harvey?
How many hours of sunshine does Harvey have in January?
What is the month with the lowest UV index in Harvey?
How high is the UV index in January in Harvey?
Average temperature in January
Harvey, IA
- Average high temperature in January: 28°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in January: 14.9°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in January
Harvey, IA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Harvey, IA
- Average wind speed in January: 10.3mph
The windiest months (with the highest average wind speed) are March and April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in January
Harvey, IA
- Average humidity in January: 82%
The months with the highest relative humidity are January, February, June and July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Harvey, IA
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is May (2.09").
The driest months (with the least rainfall) are January and February (0.43").
Average rainfall days in January
Harvey, IA
- Average rainfall days in January: 3.8 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in January
Harvey, IA
- Average snowfall in January: 1.81"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Harvey, IA
- Average snowfall days in January: 7.9 days
The month with the highest number of snowfall days is January (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
Harvey, IA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 1min
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 12min).
Average sunshine days in January
Harvey, IA
- Average sunshine days in January: 20.6 days
The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in January
Harvey, IA
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Harvey, IA
- Average cloud cover in January: 55
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in January
Harvey, IA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Harvey, Iowa, USA
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