January weather forecast
Granger, WA

Share

Weather in January

January, the same as December, is a wintry winter month in Granger, Washington, with an average temperature ranging between max 37°F (2.8°C) and min 26.8°F (-2.9°C).

Temperature

Granger's weather in January indicates an average high-temperature of a still cold 37°F (2.8°C), nearly consistent with the 36.5°F (2.5°C) of December. In January, Granger experiences a temperature dip to an average of 26.8°F (-2.9°C) at night.

Humidity

January is the most humid month, with an average relative humidity of 82%.

Rainfall

In Granger, during January, the rain falls for 9 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Granger, during the entire year, the rain falls for 78 days and collects up to 3.39" (86mm) of precipitation.

Snowfall

Months with snowfall in Granger are January through March, September, November and December. The months with the most snowfall in Granger are January, February and December, with an average 0.94" (24mm) of accumulated snow.

Daylight

The average length of the day in January in Granger is 9h and 6min.
On the first day of the month, sunrise is at 7:43 am and sunset at 4:24 pm. On the last day of January, sunrise is at 7:25 am and sunset at 5:03 pm PST.

Sunshine

The month with the least sunshine in Granger is January, with an average of 5.3h of sunshine.

UV index

The months with the lowest UV index in Granger are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 2 in January leads to these recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Granger in January?

The high-temperature, in January, in Granger, is 37°F (2.8°C), while the low-temperature averages to 26.8°F (-2.9°C).

What is the most humid month in Granger?

With an average relative humidity of 82%, January is the most humid month in Granger.

What is the average humidity in January in Granger?

The average relative humidity in January in Granger, Washington, is 82%.

How many days does it rain in January in Granger?

In Granger, Washington, during January, the rain falls for 9 days and regularly aggregates up to 0.43" (11mm) of precipitation.

What is the snowiest month in Granger?

The months with the most snowfall in Granger, Washington, are January, February and December, with an average 0.94" (24mm) of accumulated snow.

How many days does it snow in January in Granger?

In January, in Granger, Washington, it is snowing for 3.8 days. Throughout January, 0.94" (24mm) of snow is accumulated.

How many hours of daylight does Granger have in January?

The average day length in January is 9h and 6min.

When is the sunrise / sunset in January in Granger?

On the first day of January in Granger, sunrise is at 7:43 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:03 pm PST.

What is the month with the least sunshine in Granger?

The month with the least sunshine is January, with an average of 5.3h of sunshine.

How long on average sun shines in January in Granger?

In January, the average sunshine duration in Granger is 5.3h.

What are the months with the lowest UV index in Granger?

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

How high is the UV index in January in Granger?

In Granger, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
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
Granger, WA

Average temperature in January - Granger, WA
  • Average high temperature in January: 37°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in January: 26.8°F

The month with the highest average low temperature is August (60.8°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).

Average pressure in January
Granger, WA

Average pressure in January - Granger, WA
  • Average pressure in January: 30.17"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).

Average wind speed in January
Granger, WA

Average wind speed in January - Granger, WA
  • Average wind speed in January: 4.9mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is December (4.8mph).

Average humidity in January
Granger, WA

Average humidity in January - Granger, WA
  • Average humidity in January: 82%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is July (38%).

Average rainfall in January
Granger, WA

Average rainfall in January - Granger, WA
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is May (0.63").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days in January
Granger, WA

Average rainfall days in January - Granger, WA
  • Average rainfall days in January: 9 days

The month with the highest number of rainy days is March (9.9 days).
The months with the least rainy days are July and August (2.8 days).

Average snowfall in January
Granger, WA

Average snowfall in January - Granger, WA
  • Average snowfall in January: 0.94"

The months with the highest snowfall are January, February and December (0.94").
The months with the least snowfall are April, May, June, July, August and October (0").

Average snowfall days in January
Granger, WA

Average snowfall days in January - Granger, WA
  • Average snowfall days in January: 3.8 days

The month with the highest number of snowfall days is December (4.7 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).

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

Average daylight in January / Average sunshine in January - Granger, WA
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in January: 5h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

Average sunshine days in January
Granger, WA

Average sunshine days in January - Granger, WA
  • Average sunshine days in January: 18.3 days

The month with the most sunshine days is July (26.6 days).
The month with the least sunshine days is March (17.3 days).

Average UV index in January
Granger, WA

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Granger, WA

Average cloud cover in January - Granger, WA
  • Average cloud cover in January: 45

The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 9).

Average visibility in January
Granger, WA

Average visibility in January - Granger, WA
  • Average visibility in January: 5mi

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

Granger, Washington, USA

Weather forecast for your location

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