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

January weather forecast and climate
Sisters, OR

January, the same as December, is a wintry winter month in Sisters, Oregon, with temperature in the range of an average low of 21.4°F (-5.9°C) and an average high of 41.2°F (5.1°C).

Temperature

In Sisters, the average high-temperature in January is relatively the same as in December - a still wintry 41.2°F (5.1°C). The average low-temperature, is 21.4°F (-5.9°C).

Rainfall

In Sisters, during 9 rainfall days, 2.2" (56.9mm) of precipitation is typically accumulated. In Sisters, during the entire year, the rain falls for 72 days and collects up to 13.5" (342.9mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. January is the month with the most snowfall in Sisters, with 8.3" (210.8mm) of accumulated snow.

Daylight

In January, the average length of the day in Sisters is 9.3h.

What is the temperature in January in Sisters?

In Sisters, Oregon, in January, the average high-temperature is 41.2°F (5.1°C), and the average low-temperature is 21.4°F (-5.9°C).

How many days does it rain in January in Sisters?

In Sisters, during January, the rain falls for 9 days and regularly aggregates up to 2.2" (56.9mm) of precipitation.

How much does it snow in Sisters in January?

During January, Sisters regularly aggregates up to 8.3" (210.8mm) of snow.

What is the snowiest month in Sisters?

The month with the most snowfall in Sisters, Oregon, is January when 8.3" (210.8mm) of snow is typically aggregated.

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

The average length of the day in January in Sisters is 9.3h.
Average temperature in January - Sisters, OR
  • Average high temperature in January: 41.1°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (40.5°F).

  • Average low temperature in January: 21.3°F

The month with the highest average low temperature is July (42.4°F).
The coldest month (with the lowest average low temperature) is December (20.9°F).

Average rainfall in January - Sisters, OR
  • Average rainfall in January: 2.2"

The wettest month (with the highest rainfall) is December (2.3").
Driest months (with the lowest rainfall) are July, August and September (0.4").

Average rainfall days in January - Sisters, OR
  • Average rainfall days in January: 9 days

The month with the highest number of rainy days is November (10 days).
The month with the lowest number of rainy days is July (2 days).

Average snowfall in January - Sisters, OR
  • Average snowfall in January: 8.3"

The month with the highest snowfall is January (8.3").
Months with the lowest snowfall are May, June, July, August and September (0").

Average daylight in January - Sisters, OR
  • Average daylight in January: 9.3h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).