December weather forecast
Humptulips, WA

Share

Weather in December

December, the first month of the winter in Humptulips, is also a frosty month, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 45.5°F (7.5°C).

Temperature

Humptulips records the coldest temperatures in December, averaging a high of 45.5°F (7.5°C) and a low of 39.7°F (4.3°C).

Humidity

December is the most humid month, with an average relative humidity of 85%.

Rainfall

December is the month with the most rainfall. Rain falls for 18.5 days and accumulates 3.35" (85mm) of precipitation.

Snowfall

In Humptulips, snow does not fall in April through October and December.

Daylight

The month with the shortest days is December, with an average of 8h and 36min of daylight.
On the first day of December, sunrise is at 7:42 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 4:36 pm PST.

Sunshine

The average sunshine in December is 3.6h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

The lowest temperatures are recorded in December, with averages reaching a high of 45.5°F (7.5°C) and a low of 39.7°F (4.3°C).

What is the usual temperature for Humptulips in December?

In Humptulips, 45.5°F (7.5°C) is the average high-temperature and 39.7°F (4.3°C) is the average low-temperature during December.

What is the most humid month?

With an average relative humidity of 85%, December is the most humid month.

What is the average humidity in December?

In Humptulips, Washington, the average relative humidity in December is 85%.

What is the rainiest month in Humptulips?

The month with the most rainfall is December, when the rain falls for 18.5 days and typically aggregates up to 3.35" (85mm) of precipitation.

How many days does it rain in December?

In Humptulips, during December, the rain falls for 18.5 days and regularly aggregates up to 3.35" (85mm) of precipitation.

When it does not snow?

In Humptulips, snow does not fall in April through October and December.

Does it snow in December?

In December, it doesn't snow. November is the latest month when it typically snows.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 36min of daylight.

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

In December, the average day length is 8h and 34min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:42 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 4:36 pm PST.

How many hours of sunshine does Humptulips have in December?

The average sunshine duration in December in Humptulips is 3.6h.

What are the months 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?

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

Average temperature in December
Humptulips, WA

Average temperature in December - Humptulips, WA
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is August (65.8°F).
The month with the lowest average high temperature is December (45.5°F).

  • Average low temperature in December: 39.7°F

The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).

Average pressure in December
Humptulips, WA

Average pressure in December - Humptulips, WA
  • Average pressure in December: 30.04"Hg

The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).

Average wind speed in December
Humptulips, WA

Average wind speed in December - Humptulips, WA
  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).

Average humidity in December
Humptulips, WA

Average humidity in December - Humptulips, WA
  • Average humidity in December: 85%

The month with the highest relative humidity is December (85%).
The months with the lowest relative humidity are April, May and June (81%).

Average rainfall in December
Humptulips, WA

Average rainfall in December - Humptulips, WA
  • Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is July (0.24").

Average rainfall days in December
Humptulips, WA

Average rainfall days in December - Humptulips, WA
  • Average rainfall days in December: 18.5 days

The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is July (5.6 days).

Average snowfall in December
Humptulips, WA

Average snowfall in December - Humptulips, WA
  • Average snowfall in December: 0"

The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").

Average snowfall days in December
Humptulips, WA

Average snowfall days in December - Humptulips, WA
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Humptulips, WA
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 3h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in December
Humptulips, WA

Average sunshine days in December - Humptulips, WA
  • Average sunshine days in December: 10.7 days

The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is December (10.7 days).

Average UV index in December
Humptulips, WA

Average UV index in December - Humptulips, WA
  • Average UV index in December: 2

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Humptulips, WA

Average cloud cover in December - Humptulips, WA
  • Average cloud cover in December: 61

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Humptulips, WA

Average visibility in December - Humptulips, WA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).

Humptulips, Washington, USA

Weather forecast for your location

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