January weather forecastPlainfield, IN
January
Weather in January
Throughout the month, Plainfield experiences colder weather conditions, with snow turning its landscapes into winter wonderlands. January is marked by the coldest average minimum temperatures, reaching down to 21°F (-6.1°C), making it the chilliest month in this Indiana city. Compared to February, January has slightly lower temperatures and increased snowfall. This month holds the shortest daylight duration of the year, making the cozy indoor spaces of homes and businesses particularly inviting. The calmness of winter can be felt in the reduced winds alongside the chilled air.Temperature
In Plainfield, the lowest temperatures are generally noted in January, averaging a high of 33.6°F (0.9°C) and a low of 21°F (-6.1°C).Humidity
In January, the average relative humidity in Plainfield is 81%.Rainfall
In Plainfield, in January, during 9.5 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Plainfield, during the entire year, the rain falls for 179.9 days and collects up to 37.17" (944mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. January is the month with the most snowfall. Snow falls for 11.8 days and accumulates 4.21" (107mm) of snow.Daylight
In Plainfield, the average length of the day in January is 9h and 44min.On the first day of January, sunrise is at 8:06 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 6:03 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 4.1h of sunshine.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. 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, 2 during January, leads to the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Plainfield, IN
- Average high temperature in January: 33.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in January: 21°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in January
Plainfield, IN
- 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 (29.93"Hg).
Average wind speed in January
Plainfield, IN
- Average wind speed in January: 9.9mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in January
Plainfield, IN
- Average humidity in January: 81%
The months with the highest relative humidity are July and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Plainfield, IN
- Average rainfall in January: 2.68"
The wettest month (with the highest rainfall) is May (4.53").
The driest months (with the least rainfall) are February and September (2.32").
Average rainfall days in January
Plainfield, IN
- Average rainfall days in January: 9.5 days
The month with the highest number of rainy days is May (21.6 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in January
Plainfield, IN
- Average snowfall in January: 4.21"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Plainfield, IN
- 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
Plainfield, IN
- Average daylight in January: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days in January
Plainfield, IN
- Average sunshine days in January: 11.7 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (7.3 days).
Average UV index in January
Plainfield, 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, October, November and December (UV index 2).
Average cloud cover in January
Plainfield, IN
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Plainfield, IN
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, July and December (5mi).
