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

January weather forecast and climate
Salem, OR

An evening shot of the leafy town of Salem in Oregon, with a clear dusk sky
An evening shot of the leafy town of Salem in Oregon, with a clear dusk sky
January, the same as December, in Salem, Oregon, is another chilly winter month, with average temperature fluctuating between 34.7°F (1.5°C) and 47.7°F (8.7°C).

Temperature

In Salem, the average high-temperature is practically the same as in December - a still frosty 47.7°F (8.7°C). In January, the average low-temperature is 34.7°F (1.5°C).

Rainfall

In January, the rain falls for 17.7 days. Throughout January, 6" (151.4mm) of precipitation is accumulated. Throughout the year, in Salem, Oregon, there are 144.3 rainfall days, and 39.6" (1007.1mm) of precipitation is accumulated.

Snowfall

January, February, November and December are months with snowfall in Salem. In Salem, snow falls for 0.4 days, with typically accumulated 0.6" (15.2mm) of snow. In Salem, Oregon, during the entire year, snow falls for 1.9 days, and aggregates up to 3.5" (88.8mm) of snow.

Daylight

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

Sunshine

The average sunshine in January is 3h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Salem. A UV Index estimate of 2, and below, represents a low threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 1 in January transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in January in Salem?

In January, in Salem, the average high-temperature is 47.7°F (8.7°C), and the average low-temperature is 34.7°F (1.5°C).

How much does it rain in Salem in January?

In January, the rain falls for 17.7 days. Throughout January, 6" (151.4mm) of precipitation is accumulated.

How much does it snow in Salem in January?

In Salem, in January, snow falls for 0.4 days, with typically accumulated 0.6" (15.2mm) of snow.

How many hours of daylight does Salem have in January?

The average length of the day in January in Salem is 9.3h.

How many hours of sunshine does Salem have in January?

The average sunshine in January is 3h.

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

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Salem, Oregon.

What is the UV index intensity in January in Salem?

In Salem, Oregon, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to the Sun's UV rays.
Average temperature in January - Salem, OR
  • Average high temperature in January: 47.7°F

The warmest month (with the highest average high temperature) is August (82.4°F).
The month with the lowest average high temperature is December (46.2°F).

  • Average low temperature in January: 34.7°F

The month with the highest average low temperature is July (53.1°F).
The coldest month (with the lowest average low temperature) is December (34°F).

Average rainfall in January - Salem, OR
  • Average rainfall in January: 6"

The wettest month (with the highest rainfall) is December (6.9").
The driest month (with the lowest rainfall) is August (0.4").

Average rainfall days in January - Salem, OR
  • Average rainfall days in January: 17.7 days

The month with the highest number of rainy days is December (18.2 days).
The month with the lowest number of rainy days is July (2.9 days).

Average snowfall in January - Salem, OR
  • Average snowfall in January: 0.6"

The month with the highest snowfall is February (1.7").
Months with the lowest snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in January - Salem, OR
  • Average snowfall days in January: 0.4 days

Months with the highest number of snowfall days are February and December (0.7 days).
Months with the lowest number of snowfall days are March, April, May, June, July, August, September and October (0 days).

Average daylight in January / Average sunshine in January - Salem, OR
  • Average daylight in January: 9.3h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).

  • Average sunshine in January: 3h

The month with most sunshine is July (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 2h).

Average UV index in January - Salem, OR
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).