December weather forecast
Curlew, WA

Share

Weather in December

December, the first month of the winter in Curlew, is also a subzero cold month, with an average temperature ranging between min 13.1°F (-10.5°C) and max 27°F (-2.8°C).

Temperature

Curlew witnesses the coldest weather in December, with temperatures averaging a high of 27°F (-2.8°C) and a low of 13.1°F (-10.5°C).

Humidity

In Curlew, Washington, the average relative humidity in December is 92%.

Rainfall

In December, the rain falls for 5.7 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. Throughout the year, there are 112.2 rainfall days, and 14.69" (373mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. The month with the most snowfall is December, when snow falls for 17.3 days and typically aggregates up to 9.76" (248mm) of snow.

Daylight

With an average of 8h and 18min of daylight, December has the shortest days of the year in Curlew.
On the first day of the month, sunrise is at 7:27 am and sunset at 3:59 pm. On the last day of December, sunrise is at 7:47 am and sunset at 4:07 pm PST.

Sunshine

In Curlew, the average sunshine in December is 4.3h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Curlew. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 1 during December translates into these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

Frequently asked questions

What time of the year is the coldest?

December stands out as Curlew's coldest month, with temperatures ranging between an average high of 27°F (-2.8°C) and a low of 13.1°F (-10.5°C).

How cold is it in December?

The high-temperature, in December, in Curlew, is 27°F (-2.8°C), while the low-temperature averages to 13.1°F (-10.5°C).

What is the average humidity in December?

In December, the average relative humidity is 92%.

How much does it rain in December?

In December, the rain falls for 5.7 days. Throughout December, 1.34" (34mm) of precipitation is accumulated.

What is the snowiest month?

The month with the most snowfall is December, when snow falls for 17.3 days and typically aggregates up to 9.76" (248mm) of snow.

How many days does it snow in December in Curlew?

In Curlew, in December, snow falls for 17.3 days, with typically accumulated 9.76" (248mm) of snow.

What is the month with the shortest days?

The month with the shortest days in Curlew is December, with an average of 8h and 18min of daylight.

How many hours of daylight does Curlew have in December?

The average day length in December is 8h and 20min.

When are sunrise and sunset in December?

On the first day of December in Curlew, sunrise is at 7:27 am and sunset at 3:59 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:07 pm PST.

How many hours of sunshine does Curlew have in December?

The average sunshine duration in December is 4.3h.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in December?

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes 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
Curlew, WA

Average temperature in December - Curlew, WA
  • Average high temperature in December: 27°F

The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (27°F).

  • Average low temperature in December: 13.1°F

The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

Average pressure in December
Curlew, WA

Average pressure in December - Curlew, WA
  • Average pressure in December: 30.16"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).

Average wind speed in December
Curlew, WA

Average wind speed in December - Curlew, WA
  • Average wind speed in December: 3.7mph

The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest months (with the lowest average wind speed) are January, February and December (3.7mph).

Average humidity in December
Curlew, WA

Average humidity in December - Curlew, WA
  • Average humidity in December: 92%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (49%).

Average rainfall in December
Curlew, WA

Average rainfall in December - Curlew, WA
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is August (0.47").

Average rainfall days in December
Curlew, WA

Average rainfall days in December - Curlew, WA
  • Average rainfall days in December: 5.7 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (5.7 days).

Average snowfall in December
Curlew, WA

Average snowfall in December - Curlew, WA
  • Average snowfall in December: 9.76"

The month with the highest snowfall is December (9.76").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Curlew, WA

Average snowfall days in December - Curlew, WA
  • Average snowfall days in December: 17.3 days

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Curlew, WA

Average daylight in December / Average sunshine in December - Curlew, WA
  • Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Curlew, WA

Average sunshine days in December - Curlew, WA
  • Average sunshine days in December: 13.7 days

The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is March (10.8 days).

Average UV index in December
Curlew, WA

Average UV index in December - Curlew, WA
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in December
Curlew, WA

Average cloud cover in December - Curlew, WA
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in December
Curlew, WA

Average visibility in December - Curlew, WA
  • Average visibility in December: 3mi

The months with the highest visibility are April, May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).

Curlew, Washington, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location