December weather forecast
Ottawa, KS

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Weather in December

December marks the height of the winter season in Ottawa, Kansas. Temperatures drop further and daylight becomes scarce as the days become shorter. Despite the chill, the city enjoys clear weather, for snowfall is fairly low at 0.87" (22mm). As the year comes to a close, residents of Ottawa embrace the weather conditions that December brings. Conjuring up images of festive scenes, the weather this month bolsters the celebratory spirit that envelops the city around holiday time.

Temperature

As December commences in Ottawa, the average high-temperature shows a reduction, transitioning from a fresh 53.6°F (12°C) in November to a wintry 41.7°F (5.4°C). December in Ottawa sees the temperature falling to a mean low of 28.4°F (-2°C).

Humidity

In Ottawa, the average relative humidity in December is 72%.

Rainfall

In December, in Ottawa, the rain falls for 4.5 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. In Ottawa, during the entire year, the rain falls for 126.9 days and collects up to 23.5" (597mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Ottawa, during December, snow falls for 2.2 days and regularly aggregates up to 0.87" (22mm) of snow. In Ottawa, during the entire year, snow falls for 14 days and aggregates up to 6.38" (162mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:20 am and sunset at 5:00 pm. On the last day of December, in Ottawa, 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 of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

How cold does it get in Ottawa in December?

December temperatures in Ottawa, Kansas, vary between a high-temperature of 41.7°F (5.4°C) and a low-temperature of 28.4°F (-2°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 95°F (35°C).

What is the average humidity in December in Ottawa?

In Ottawa, the average relative humidity in December is 72%.

How many days does it rain in December in Ottawa?

In December, in Ottawa, Kansas, the rain falls for 4.5 days. Throughout December, 0.87" (22mm) of precipitation is accumulated.

How much does it snow in Ottawa in December?

In Ottawa, Kansas, in December, snow falls for 2.2 days, with typically accumulated 0.87" (22mm) of snow.

What is the month with the shortest days in Ottawa?

December has the shortest days of the year in Ottawa, Kansas, with an average of 9h and 30min of daylight.

What is the average length of the day in December in Ottawa?

The average day length in December in Ottawa, Kansas, is 9h and 31min.

What time are sunrise and sunset in December in Ottawa?

In December, on the first day of the month, sunrise is at 7:20 am and sunset at 5:00 pm. On the last day of the month, in Ottawa, sunrise is at 7:38 am and sunset at 5:10 pm CST.

How many hours of sunshine does Ottawa have in December?

In December, the average sunshine duration is 5.7h.

When is the lowest UV index in Ottawa?

The months with the lowest UV index in Ottawa are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Ottawa?

In Ottawa, Kansas, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ottawa, KS

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).

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Average pressure in December
Ottawa, KS

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).

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Average wind speed in December
Ottawa, KS

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).

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Average humidity in December
Ottawa, KS

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%).

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Average rainfall in December
Ottawa, KS

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").

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Average rainfall days in December
Ottawa, KS

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).

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Average snowfall in December
Ottawa, KS

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").

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Average snowfall days in December
Ottawa, KS

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).

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Average daylight in December /
Average sunshine in December
Ottawa, KS

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).

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Average sunshine days in December
Ottawa, KS

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).

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Average UV index in December
Ottawa, KS

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).

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Average cloud cover in December
Ottawa, KS

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).

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Average visibility in December
Ottawa, KS

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).

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Ottawa, Kansas, USA

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