January weather forecast
Agnew, WA

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Weather in January

January, the same as December, is another cold winter month in Agnew, Washington, with an average temperature ranging between max 42.4°F (5.8°C) and min 35.2°F (1.8°C).

Temperature

Entering January, the average high-temperature is recorded at a still wintry 42.4°F (5.8°C), exhibiting a minimal shift from December's 41.2°F (5.1°C). Throughout the nights in January, Agnew notes an average low of 35.2°F (1.8°C), a small dip from the daytime peak.

Humidity

January and February, with an average relative humidity of 85%, are the most humid months in Agnew.

Rainfall

January is the month with the most rainfall in Agnew. Rain falls for 16.1 days and accumulates 2.56" (65mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Agnew, Washington, in January, snow falls for 1.3 days, with typically accumulated 1.1" (28mm) of snow. In Agnew, during the entire year, snow falls for 7 days and aggregates up to 3.86" (98mm) of snow.

Daylight

In January, the average length of the day is 8h and 54min.
On the first day of the month, sunrise is at 8:03 am and sunset at 4:29 pm. On the last day of January, in Agnew, sunrise is at 7:42 am and sunset at 5:10 pm PST.

Sunshine

The month with the least sunshine is January, with an average of 4.7h of sunshine.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: In January, a regular UV index of 2 translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Experience reduced UV exposure by about half when donning a wide-brim hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in Agnew in January?

The high-temperature in Agnew during January is 42.4°F (5.8°C) and the low-temperature is 35.2°F (1.8°C).

What are the most humid months in Agnew?

January and February, with an average relative humidity of 85%, are most humid months in Agnew, Washington.

What is the average humidity in January in Agnew?

In Agnew, Washington, the average relative humidity in January is 85%.

What is the wettest month in Agnew?

The month with the most rainfall in Agnew is January, when the rain falls for 16.1 days and typically aggregates up to 2.56" (65mm) of precipitation.

How much does it rain in Agnew in January?

In Agnew, in January, during 16.1 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

How much does it snow in Agnew in January?

In January, it is snowing for 1.3 days. Throughout January, 1.1" (28mm) of snow is accumulated.

How many hours of daylight does Agnew have in January?

The average day length in January is 8h and 54min.

What time are sunrise and sunset in January in Agnew?

On the first day of January in Agnew, Washington, sunrise is at 8:03 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:10 pm PST.

What is the month with the least sunshine in Agnew?

With an average of 4.7h of sunshine, January has the least sunshine of the year in Agnew, Washington.

How long on average sun shines in January in Agnew?

The average sunshine duration in January is 4.7h.

What is the month with the lowest UV index in Agnew?

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

What is the UV index intensity in January in Agnew?

The average daily maximum UV index in January in Agnew is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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 January
Agnew, WA

Average temperature in January - Agnew, WA
  • Average high temperature in January: 42.4°F

The warmest month (with the highest average high temperature) is August (68°F).
The month with the lowest average high temperature is December (41.2°F).

  • Average low temperature in January: 35.2°F

The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is February (34.3°F).

Average pressure in January
Agnew, WA

Average pressure in January - Agnew, WA
  • Average pressure in January: 30.07"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).

Average wind speed in January
Agnew, WA

Average wind speed in January - Agnew, WA
  • Average wind speed in January: 5.3mph

The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest months (with the lowest average wind speed) are August and September (3.7mph).

Average humidity in January
Agnew, WA

Average humidity in January - Agnew, WA
  • Average humidity in January: 85%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (75%).

Average rainfall in January
Agnew, WA

Average rainfall in January - Agnew, WA
  • Average rainfall in January: 2.56"

The wettest month (with the highest rainfall) is January (2.56").
The driest month (with the least rainfall) is July (0.59").

Average rainfall days in January
Agnew, WA

Average rainfall days in January - Agnew, WA
  • Average rainfall days in January: 16.1 days

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.8 days).

Average snowfall in January
Agnew, WA

Average snowfall in January - Agnew, WA
  • Average snowfall in January: 1.1"

The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Agnew, WA

Average snowfall days in January - Agnew, WA
  • Average snowfall days in January: 1.3 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in January
Agnew, WA

Average sunshine days in January - Agnew, WA
  • Average sunshine days in January: 12.7 days

The month with the most sunshine days is August (21.4 days).
The month with the least sunshine days is March (8.9 days).

Average UV index in January
Agnew, WA

Average UV index in January - Agnew, WA
  • Average UV index in January: 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, March, November and December (UV index 2).

Average cloud cover in January
Agnew, WA

Average cloud cover in January - Agnew, WA
  • Average cloud cover in January: 50

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in January
Agnew, WA

Average visibility in January - Agnew, WA
  • Average visibility in January: 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).

Agnew, Washington, USA

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