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
With the start of January, Herndon measures an average high-temperature of a still cold 40.6°F (4.8°C), not significantly differing from December's 40.1°F (4.5°C). The average nighttime temperature lowers to a subzero cold 24.3°F (-4.3°C) throughout January.Humidity
The most humid month is January, with an average relative humidity of 67%.Rainfall
January is the month with the least rainfall. Rain falls for 4.3 days and accumulates 0.43" (11mm) of precipitation.Snowfall
Months with snowfall in Herndon are January through May, October through December. In Herndon, Kansas, in January, snow falls for 5 days, with typically accumulated 2.09" (53mm) of snow. In Herndon, Kansas, during the entire year, snow falls for 24.7 days and aggregates up to 10.24" (260mm) of snow.Daylight
In January, the average length of the day is 9h and 43min.On the first day of January, sunrise is at 8:04 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 6:00 pm CST.
Sunshine
January and December, with an average of 6.3h 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 of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: An average UV index of 2 in January transforms into this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is January cold in Herndon?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Herndon have in January?
When is the sunrise / sunset in January?
What are the months with the least sunshine?
How many hours of sunshine does Herndon have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Herndon, KS
- Average high temperature in January: 40.6°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (40.1°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in January
Herndon, KS
- 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 (29.82"Hg).
Average wind speed in January
Herndon, KS
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in January
Herndon, KS
- Average humidity in January: 67%
The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is July (52%).
Average rainfall in January
Herndon, KS
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in January
Herndon, KS
- Average rainfall days in January: 4.3 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in January
Herndon, KS
- Average snowfall in January: 2.09"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Herndon, KS
- Average snowfall days in January: 5 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Herndon, KS
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 6h and 18min).
Average sunshine days in January
Herndon, KS
- Average sunshine days in January: 22.4 days
The month with the most sunshine days is November (23.9 days).
The month with the least sunshine days is August (12.9 days).
Average UV index in January
Herndon, 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
Herndon, KS
- Average cloud cover in January: 32
The month with the most cloud cover is February (Cloud cover 35).
The months with the least cloud cover are June and July (Cloud cover 20).
Average visibility in January
Herndon, 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).
Herndon, Kansas, USA
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