January weather forecastPortis, KS
January
Weather in January
January, like December, in Portis, Kansas, is a wintry winter month, with an average temperature varying between 39.9°F (4.4°C) and 23.9°F (-4.5°C).Temperature
January, having an average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 23.9°F (-4.5°C), is the coldest month.Humidity
January and December, with an average relative humidity of 69%, are the most humid months in Portis.Rainfall
January is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.59" (15mm) of precipitation.Snowfall
Months with snowfall in Portis are January through May, October through December. In Portis, in January, during 4.9 snowfall days, 1.69" (43mm) of snow is typically accumulated. In Portis, during the entire year, snow falls for 22.6 days and aggregates up to 8.5" (216mm) of snow.Daylight
The average length of the day in January is 9h and 45min.On the first day of the month, sunrise is at 7:55 am and sunset at 5:21 pm. On the last day of January, sunrise is at 7:43 am and sunset at 5:53 pm CST.
Sunshine
In January, the average sunshine in Portis is 6.1h.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 of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Boost your sun resistance with garments that are densely woven yet spacious. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Portis, KS
- Average high temperature in January: 39.9°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in January: 23.9°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in January
Portis, KS
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Portis, KS
- Average wind speed in January: 10.1mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in January
Portis, KS
- Average humidity in January: 69%
The months with the highest relative humidity are January and December (69%).
The month with the lowest relative humidity is July (57%).
Average rainfall in January
Portis, KS
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in January
Portis, KS
- Average rainfall days in January: 3.8 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in January
Portis, KS
- Average snowfall in January: 1.69"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Portis, KS
- Average snowfall days in January: 4.9 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Portis, KS
- Average daylight in January: 9h and 48min
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: 6h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in January
Portis, KS
- Average sunshine days in January: 22.6 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in January
Portis, KS
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Portis, KS
- Average cloud cover in January: 33
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 21).
Average visibility in January
Portis, KS
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
