January weather forecast and climate
Umatilla, OR

January, like December, in Umatilla, Oregon, is a cold winter month, with average temperature ranging between min 25.2°F (-3.8°C) and max 39.9°F (4.4°C).

Temperature

The coldest month is January, with an average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 25.2°F (-3.8°C).

Rainfall

In Umatilla, in January, during 8 rainfall days, 1.1" (26.7mm) of precipitation is typically accumulated. Throughout the year, in Umatilla, there are 60 rainfall days, and 8" (203.8mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. January is the month with the most snowfall in Umatilla, with 3.9" (99.1mm) of accumulated snow.

Daylight

In Umatilla, the average length of the day in January is 9.2h.

What is the coldest month in Umatilla?

January is the coldest month in Umatilla, Oregon, with an average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 25.2°F (-3.8°C).

What is the temperature in January in Umatilla?

In January, in Umatilla, the average high-temperature is 39.9°F (4.4°C), and the average low-temperature is 25.2°F (-3.8°C).

How many days does it rain in January in Umatilla?

In Umatilla, Oregon, during January, the rain falls for 8 days and regularly aggregates up to 1.1" (26.7mm) of precipitation.

How much does it snow in Umatilla in January?

Throughout January, 3.9" (99.1mm) of snow is accumulated.

What is the snowiest month in Umatilla?

The month with the most snowfall is January when 3.9" (99.1mm) of snow is typically aggregated.

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

In January, the average length of the day is 9.2h.
Average temperature in January - Umatilla, OR
  • Average high temperature in January: 4.4°C

The warmest month (with the highest average high temperature) is July (33.7°C).
The month with the lowest average high temperature is January (4.4°C).

  • Average low temperature in January: -3.8°C

The month with the highest average low temperature is July (15.2°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).

Average rainfall in January - Umatilla, OR
  • Average rainfall in January: 26.7mm

The wettest month (with the highest rainfall) is December (27.7mm).
The driest month (with the lowest rainfall) is July (4.1mm).

Average rainfall days in January - Umatilla, OR
  • Average rainfall days in January: 8 days

Months with the highest number of rainy days are January and December (8 days).
The month with the lowest number of rainy days is July (1 days).

Average snowfall in January - Umatilla, OR
  • Average snowfall in January: 99.1mm

The month with the highest snowfall is January (99.1mm).
Months with the lowest snowfall are April, May, June, July, August, September and October (0mm).

Average daylight in January - Umatilla, OR
  • Average daylight in January: 9.2h

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).

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