January weather forecastPost Oak, MO
January
Weather in January
January, the same as December, is a wintry winter month in Post Oak, Missouri, with an average temperature fluctuating between 23.5°F (-4.7°C) and 38.1°F (3.4°C).Temperature
January is the coldest month, with an average high-temperature of 38.1°F (3.4°C) and an average low-temperature of 23.5°F (-4.7°C).Humidity
In January, the average relative humidity in Post Oak, Missouri, is 75%.Rainfall
The month with the least rainfall in Post Oak is January, when the rain falls for 5.5 days and typically collects 0.87" (22mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Post Oak. January is the month with the most snowfall. Snow falls for 5.2 days and accumulates 1.77" (45mm) of snow.Daylight
The average length of the day in January is 9h and 50min.On the first day of the month, sunrise is at 7:32 am and sunset at 5:04 pm. On the last day of January, sunrise is at 7:21 am and sunset at 5:35 pm CST.
Sunshine
With an average of 4.9h of sunshine, January has the least sunshine of the year.UV index
January, February, November and 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 hazard from unprotected exposure to Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 suggests these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To avoid the Sun's strongest rays, limit exposure around the mid-day period. During bright days, sunglasses that offer UVA and UVB defense are recommended. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Post Oak, MO
- Average high temperature in January: 38.1°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in January: 23.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in January
Post Oak, MO
- 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 (29.91"Hg).
Average wind speed in January
Post Oak, MO
- Average wind speed in January: 10.1mph
The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in January
Post Oak, MO
- Average humidity in January: 75%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Post Oak, MO
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in January
Post Oak, MO
- Average rainfall days in January: 5.5 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in January
Post Oak, MO
- Average snowfall in January: 1.77"
The month with the highest snowfall is January (1.77").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Post Oak, MO
- Average snowfall days in January: 5.2 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Post Oak, MO
- Average daylight in January: 9h and 48min
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 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in January
Post Oak, MO
- Average sunshine days in January: 20 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in January
Post Oak, MO
- 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
Post Oak, MO
- Average cloud cover in January: 46
The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in January
Post Oak, MO
- 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).
