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

October 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
October, like September, in Salem, Oregon, is another comfortable autumn month, with average temperature fluctuating between 45.3°F (7.4°C) and 62.2°F (16.8°C).

Temperature

In Salem, the average high-temperature drops, from a moderately hot 74.7°F (23.7°C) in September, to an enjoyable 62.2°F (16.8°C). In Salem, the average low-temperature is 45.3°F (7.4°C).

Humidity

In Salem, the average relative humidity is 77%.

Rainfall

In Salem, during October, the rain falls for 15.1 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Salem, during the entire year, the rain falls for 162.5 days and collects up to 25.08" (637mm) of precipitation.

Snowfall

In Salem snow does not fall in April through October.

Daylight

In October, the average length of the day is 10.9h.

Sunshine

In Salem, the average sunshine is 5.5h.

UV index

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 3 in October transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. 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.

What is the temperature in October in Salem?

In Salem, in October, the average high-temperature is 62.2°F (16.8°C), and the average low-temperature is 45.3°F (7.4°C).

What is the average humidity in October in Salem?

The average relative humidity in October is 77%.

How much does it rain in Salem in October?

In Salem, Oregon, during October, the rain falls for 15.1 days and regularly aggregates up to 2.4" (61mm) of precipitation.

Does it snow in Salem in October?

In Salem, Oregon, in October, it doesn't snow. In November, it regularly snows.

When it does not snow in Salem?

April through October are months without snowfall.

How many hours of daylight does Salem have in October?

In October, the average length of the day in Salem, Oregon, is 10.9h.

How long on average sun shines in October in Salem?

The average sunshine in October is 5.5h.

What is the UV index reading in October in Salem?

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in October - Salem, OR
  • Average high temperature in October: 16.8°C

The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is December (7.5°C).

  • Average low temperature in October: 7.4°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is December (1.4°C).

Average humidity in October - Salem, OR
  • Average humidity in October: 77%

Months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is August (65%).

Average rainfall in October - Salem, OR
  • Average rainfall in October: 61mm

The wettest month (with the highest rainfall) is December (100mm).
The driest month (with the lowest rainfall) is July (7mm).

Average rainfall days in October - Salem, OR
  • Average rainfall days in October: 15.1 days

The month with the highest number of rainy days is March (19.6 days).
The month with the lowest number of rainy days is July (3.9 days).

Average snowfall in October - Salem, OR
  • Average snowfall in October: 0mm

The month with the highest snowfall is February (30mm).
Months with the lowest snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in October - Salem, OR
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (1.8 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in October / Average sunshine in October - Salem, OR
  • Average daylight in October: 10.9h

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 October: 5.5h

The month with most sunshine is August (Average sunshine: 11h).
The month with least sunshine is February (Average sunshine: 4.2h).

Average UV index in October - Salem, OR
  • Average UV index in October: 3

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).