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
In Readlyn, the month of January registers the lowest temperatures, averaging 23.9°F (-4.5°C) at the peak and 11.3°F (-11.5°C) at the lowest.Humidity
The most humid month in Readlyn is January, with an average relative humidity of 87%.Rainfall
January is the month with the least rainfall. Rain falls for 3.9 days and accumulates 0.98" (25mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 11.8 days and typically aggregates up to 4.45" (113mm) of snow.Daylight
The average length of the day in January in Readlyn is 9h and 28min.On the first day of the month, sunrise is at 7:39 am and sunset at 4:45 pm. On the last day of January, in Readlyn, sunrise is at 7:24 am and sunset at 5:20 pm CST.
Sunshine
With an average of 3.8h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 in January interprets into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What time of the year is the coldest in Readlyn?
How cold is it in Readlyn in January?
What is the most humid month in Readlyn?
What is the average humidity in January in Readlyn?
What is the driest month in Readlyn?
How many days does it rain in January in Readlyn?
What is the snowiest month in Readlyn?
How much does it snow in Readlyn in January?
How many hours of daylight does Readlyn have in January?
When are sunrise and sunset in January in Readlyn?
What is the month with the least sunshine in Readlyn?
How many hours of sunshine does Readlyn have in January?
What is the month with the lowest UV index in Readlyn?
What is the UV index reading in January in Readlyn?
Average temperature in January
Readlyn, IA
- Average high temperature in January: 23.9°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in January: 11.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in January
Readlyn, IA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Readlyn, IA
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in January
Readlyn, IA
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Readlyn, IA
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in January
Readlyn, IA
- Average rainfall days in January: 3.9 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in January
Readlyn, IA
- Average snowfall in January: 4.45"
The month with the highest snowfall is January (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Readlyn, IA
- Average snowfall days in January: 11.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Readlyn, 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: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Readlyn, IA
- Average sunshine days in January: 16.5 days
The months with the most sunshine days are October, November and December (17.5 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in January
Readlyn, IA
- Average UV index in January: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Readlyn, IA
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in January
Readlyn, IA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Readlyn, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location
