December weather forecast
Washington, NE

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Weather in December

The first month of the winter, December, is still a cold month in Washington, Nebraska, with an average temperature fluctuating between 21.9°F (-5.6°C) and 34.7°F (1.5°C).

Temperature

With the beginning of December, Washington's average high-temperature experiences a significant decrease, moving from a frosty 49.1°F (9.5°C) in November to an icy 34.7°F (1.5°C). Throughout December, a steady low-temperature average of 21.9°F (-5.6°C) is noted.

Humidity

The average relative humidity in December is 77%.

Rainfall

In Washington, Nebraska, during December, the rain falls for 3.8 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Washington, during the entire year, the rain falls for 115.6 days and collects up to 19.13" (486mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In December, it is snowing for 5.7 days. Throughout December, 1.61" (41mm) of snow is accumulated. In Washington, during the entire year, snow falls for 26.8 days and aggregates up to 9.25" (235mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of December in Washington, sunrise is at 7:32 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:05 pm CST.

Sunshine

In Washington, the average sunshine in December is 5.2h.

UV index

The months with the lowest UV index in Washington are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Washington, is 34.7°F (1.5°C), while the low-temperature averages to 21.9°F (-5.6°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 89.6°F (32°C).

What is the average humidity in December?

The average relative humidity in December is 77%.

How many days does it rain in December?

In Washington, during December, the rain falls for 3.8 days and regularly aggregates up to 1.02" (26mm) of precipitation.

How much does it snow in December?

In Washington, in December, snow falls for 5.7 days, with typically accumulated 1.61" (41mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

How many hours of daylight does Washington have in December?

In Washington, the average day length in December is 9h and 14min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:32 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:05 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration in Washington is 5.2h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's 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
Washington, NE

Average temperature in December - Washington, NE
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in December: 21.9°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure in December
Washington, NE

Average pressure in December - Washington, NE
  • 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 (29.86"Hg).

Average wind speed in December
Washington, NE

Average wind speed in December - Washington, NE
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in December
Washington, NE

Average humidity in December - Washington, NE
  • Average humidity in December: 77%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (66%).

Average rainfall in December
Washington, NE

Average rainfall in December - Washington, NE
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in December
Washington, NE

Average rainfall days in December - Washington, NE
  • Average rainfall days in December: 3.8 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (2.9 days).

Average snowfall in December
Washington, NE

Average snowfall in December - Washington, NE
  • Average snowfall in December: 1.61"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Washington, NE

Average snowfall days in December - Washington, NE
  • Average snowfall days in December: 5.7 days

The month with the highest number of snowfall days is January (7.6 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
Washington, NE

Average daylight in December / Average sunshine in December - Washington, NE
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in December
Washington, NE

Average sunshine days in December - Washington, NE
  • Average sunshine days in December: 23 days

The month with the most sunshine days is December (23 days).
The month with the least sunshine days is June (12.6 days).

Average UV index in December
Washington, NE

Average UV index in December - Washington, NE
  • Average UV index in December: 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 December
Washington, NE

Average cloud cover in December - Washington, NE
  • Average cloud cover in December: 43

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in December
Washington, NE

Average visibility in December - Washington, NE
  • 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).

Washington, Nebraska, USA

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