Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The onset of December brings a small change in high-temperatures, falling from a cool 53.6°F (12°C) in November to a wintry 41.7°F (5.4°C). Throughout December nights, Ottawa experiences a consistent temperature average of 28.4°F (-2°C).Humidity
In Ottawa, the average relative humidity in December is 72%.Rainfall
In December, the rain falls for 4.5 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 126.9 rainfall days, and 23.5" (597mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Ottawa, in December, during 2.2 snowfall days, 0.87" (22mm) of snow is typically accumulated. Throughout the year, there are 14 snowfall days, and 6.38" (162mm) of snow is accumulated.Daylight
The month with the shortest days in Ottawa is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:20 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:10 pm CST.
Sunshine
The average sunshine in December is 5.7h.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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Ottawa?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Ottawa have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Ottawa, KS
- Average high temperature in December: 41.7°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in December
Ottawa, KS
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Ottawa, KS
- Average wind speed in December: 9.8mph
The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Ottawa, KS
- Average humidity in December: 72%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are October and November (69%).
Average rainfall in December
Ottawa, KS
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Ottawa, KS
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is December (4.5 days).
Average snowfall in December
Ottawa, KS
- Average snowfall in December: 0.87"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Ottawa, KS
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ottawa, KS
- Average daylight in December: 9h and 3min
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 December: 5h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Ottawa, KS
- Average sunshine days in December: 22.6 days
The months with the most sunshine days are January and December (22.6 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in December
Ottawa, KS
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Ottawa, KS
- Average cloud cover in December: 38
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 25).
Average visibility in December
Ottawa, 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).
Ottawa, Kansas, USA
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