Umatilla
Oregon, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Umatilla, OR

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

Temperature

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

Rainfall

In Umatilla, during January, the rain falls for 8 days and regularly aggregates up to 1.1" (26.7mm) of precipitation. Throughout the year, in Umatilla, there are 60 rainfall days, and 8" (203.8mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall is January when 3.9" (99.1mm) of snow is typically aggregated.

Daylight

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

What is the coldest month in Umatilla?

The coldest month in Umatilla, Oregon, 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).

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, 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?

During January, Umatilla regularly aggregates up to 3.9" (99.1mm) of snow.

What is the snowiest month in Umatilla?

January is the month with the most snowfall in Umatilla, with 3.9" (99.1mm) of accumulated snow.

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

In Umatilla, the average length of the day in January is 9.2h.
Average temperature in January - Umatilla, OR
  • Average high temperature in January: 40°F

The warmest month (with the highest average high temperature) is July (92.6°F).
The month with the lowest average high temperature is January (40°F).

  • Average low temperature in January: 25.2°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average rainfall in January - Umatilla, OR
  • Average rainfall in January: 1.1"

Wettest months (with the highest rainfall) are January, November and December (1.1").
The driest month (with the lowest rainfall) is July (0.2").

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: 3.9"

The month with the highest snowfall is January (3.9").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

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).