January weather forecast
Millwood, WA

Share

Weather in January

January, like December, in Millwood, Washington, is a wintry winter month, with an average temperature varying between 22.6°F (-5.2°C) and 33.3°F (0.7°C).

Temperature

The introduction of January notes a subtle temperature variation to a still wintry 33.3°F (0.7°C) from December's 32°F (0°C). In Millwood, an average low-temperature of 22.6°F (-5.2°C) is recorded during January nights.

Humidity

With an average relative humidity of 91%, January is the most humid month.

Rainfall

The month with the most rainfall is January, when the rain falls for 9.7 days and typically aggregates up to 2.28" (58mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Millwood, Washington. January is the month with the most snowfall. Snow falls for 13.3 days and accumulates 10.51" (267mm) of snow.

Daylight

In January, the average length of the day in Millwood is 8h and 57min.
On the first day of January in Millwood, sunrise is at 7:37 am and sunset at 4:07 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:47 pm PST.

Sunshine

January and December, with an average of 3.8h of sunshine, are months with the least sunshine in Millwood.

UV index

In January, the average daily maximum UV index in Millwood, Washington, is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 2 in January translates into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Opt for tightly woven and loose clothing to enhance protection from the Sun. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
[Resources]

Frequently asked questions

How cold is it in Millwood in January?

Millwood in January has an average high-temperature of 33.3°F (0.7°C) and an average low-temperature of 22.6°F (-5.2°C).

What is the most humid month in Millwood?

With an average relative humidity of 91%, January is the most humid month.

What is the average humidity in January in Millwood?

In January, the average relative humidity in Millwood is 91%.

What is the rainiest month in Millwood?

The month with the most rainfall in Millwood is January, when the rain falls for 9.7 days and typically aggregates up to 2.28" (58mm) of precipitation.

How much does it rain in Millwood in January?

In January, the rain falls for 9.7 days. Throughout January, 2.28" (58mm) of precipitation is accumulated.

What is the snowiest month in Millwood?

January is the month with the most snowfall. Snow falls for 13.3 days and accumulates 10.51" (267mm) of snow.

How much does it snow in Millwood in January?

In Millwood, during January, snow falls for 13.3 days and regularly aggregates up to 10.51" (267mm) of snow.

What is the average length of the day in January in Millwood?

The average day length in January is 8h and 57min.

When is the sunrise / sunset in January in Millwood?

On the first day of January in Millwood, sunrise is at 7:37 am and sunset at 4:07 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:47 pm PST.

What are the months with the least sunshine in Millwood?

The months with the least sunshine in Millwood, Washington, are January and December, with an average of 3.8h of sunshine.

How long on average sun shines in January in Millwood?

In January, the average sunshine duration in Millwood is 3.8h.

What is the UV index reading in January in Millwood?

In Millwood, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health threat 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 January
Millwood, WA

Average temperature in January - Millwood, WA
  • Average high temperature in January: 33.3°F

The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (32°F).

  • Average low temperature in January: 22.6°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).

[Resources]

Average pressure in January
Millwood, WA

Average pressure in January - Millwood, WA
  • Average pressure in January: 30.19"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

[Resources]

Average wind speed in January
Millwood, WA

Average wind speed in January - Millwood, WA
  • Average wind speed in January: 4.8mph

The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).

[Resources]

Average humidity in January
Millwood, WA

Average humidity in January - Millwood, WA
  • Average humidity in January: 91%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (43%).

[Resources]

Average rainfall in January
Millwood, WA

Average rainfall in January - Millwood, WA
  • Average rainfall in January: 2.28"

The wettest month (with the highest rainfall) is January (2.28").
The driest months (with the least rainfall) are July and August (0.35").

[Resources]

Average rainfall days in January
Millwood, WA

Average rainfall days in January - Millwood, WA
  • Average rainfall days in January: 9.7 days

The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.1 days).

[Resources]

Average snowfall in January
Millwood, WA

Average snowfall in January - Millwood, WA
  • Average snowfall in January: 10.51"

The month with the highest snowfall is January (10.51").
The months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in January
Millwood, WA

Average snowfall days in January - Millwood, WA
  • Average snowfall days in January: 13.3 days

The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Millwood, WA

Average daylight in January / Average sunshine in January - Millwood, WA
  • Average daylight in January: 8h and 5min

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 30min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).

[Resources]

Average sunshine days in January
Millwood, WA

Average sunshine days in January - Millwood, WA
  • Average sunshine days in January: 13.2 days

The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is March (10.3 days).

[Resources]

Average UV index in January
Millwood, WA

Average UV index in January - Millwood, WA
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

[Resources]

Average cloud cover in January
Millwood, WA

Average cloud cover in January - Millwood, WA
  • Average cloud cover in January: 62

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 13).

[Resources]

Average visibility in January
Millwood, WA

Average visibility in January - Millwood, WA
  • Average visibility in January: 4mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

[Resources]

Millwood, Washington, USA

Weather forecast for your location

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