December weather forecastSaint John, KS
December
Weather in December
December, the first month of the winter in Saint John, is still a chilly month, with an average temperature ranging between max 43.3°F (6.3°C) and min 27.5°F (-2.5°C).Temperature
Saint John's coldest months, January and December, record an average high-temperature of 43.3°F (6.3°C).Humidity
December is the most humid month, with an average relative humidity of 65%.Rainfall
In Saint John, during December, the rain falls for 4.1 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Saint John, during the entire year, the rain falls for 100.8 days and collects up to 16.57" (421mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Saint John, during December, snow falls for 3.6 days and regularly aggregates up to 1.14" (29mm) of snow. Throughout the year, there are 19.9 snowfall days, and 8.7" (221mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:32 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:25 pm CST.
Sunshine
The months with the least sunshine are January and December, with an average of 6.3h of sunshine.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint John, KS
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The months with the lowest average high temperature are January and December (43.3°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Saint John, KS
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Saint John, KS
- Average wind speed in December: 11mph
The windiest month (with the highest average wind speed) is April (13mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity in December
Saint John, KS
- Average humidity in December: 65%
The month with the highest relative humidity is December (65%).
The month with the lowest relative humidity is July (56%).
Average rainfall in December
Saint John, KS
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Saint John, KS
- Average rainfall days in December: 4.1 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in December
Saint John, KS
- Average snowfall in December: 1.14"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Saint John, KS
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint John, KS
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 6h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 6h and 18min).
Average sunshine days in December
Saint John, KS
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in December
Saint John, KS
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in December
Saint John, KS
- Average cloud cover in December: 29
The month with the most cloud cover is April (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 18).
Average visibility in December
Saint John, KS
- Average visibility in December: 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).
