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
Retreat's coldest weather arrives in January, when temperatures average a high of 36.7°F (2.6°C) and a low of 23.4°F (-4.8°C).Humidity
The average relative humidity in January is 80%.Rainfall
In January, the rain falls for 10.8 days. Throughout January, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 163.7 rainfall days, and 33.11" (841mm) of precipitation is accumulated.Snowfall
Months with snowfall in Retreat, Indiana, are January through April, October through December. In Retreat, in January, snow falls for 9 days, with typically accumulated 2.05" (52mm) of snow. In Retreat, during the entire year, snow falls for 32.7 days and aggregates up to 9.69" (246mm) of snow.Daylight
In January, the average length of the day is 9h and 49min.On the first day of the month, sunrise is at 8:01 am and sunset at 5:32 pm. On the last day of January, sunrise is at 7:50 am and sunset at 6:03 pm EST.
Sunshine
January and December, with an average of 4.1h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during January translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January in Retreat?
What is the month with the least sunshine?
How many hours of sunshine does Retreat have in January?
What is the month with the lowest UV index in Retreat?
What is the UV index reading in January?
Average temperature in January
Retreat, IN
- Average high temperature in January: 36.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in January: 23.4°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in January
Retreat, IN
- 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 (29.94"Hg).
Average wind speed in January
Retreat, IN
- Average wind speed in January: 8.2mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in January
Retreat, IN
- Average humidity in January: 80%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Retreat, IN
- Average rainfall in January: 2.36"
The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in January
Retreat, IN
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in January
Retreat, IN
- Average snowfall in January: 2.05"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Retreat, IN
- Average snowfall days in January: 9 days
The month with the highest number of snowfall days is January (9 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
Retreat, IN
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days in January
Retreat, IN
- Average sunshine days in January: 13.6 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in January
Retreat, IN
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Retreat, IN
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Retreat, IN
- Average visibility in January: 5mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).
Retreat, Indiana, USA
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