October weather forecastSalem, OR
October
Weather in October
October marks a significant shift in Salem's weather, featuring cooler temperatures and an increasing rainfall measure of 2.4" (61mm). The weather transition is evident with the advent of Fall. This is the time when Salem is adorned with the colors of fall, enhancing the city’s aesthetic appeal. October's weather brings a display of vibrant fall colors, making it a visual feast for visitors.Temperature
October involves a decrease in temperature, down from a warm 74.7°F (23.7°C) in September to an enjoyable 62.2°F (16.8°C). Throughout October, an average low-temperature of 45.3°F (7.4°C) is experienced.Humidity
In Salem, the average relative humidity in October 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
April through October are months without snowfall.Daylight
In October, the average length of the day in Salem is 10h and 56min.On the first day of October, sunrise is at 7:11 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 6:01 pm PDT.
Sunshine
The average sunshine in October is 5.5h.UV index
In Salem, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 3 in October converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Salem, OR
- Average high temperature in October: 62.2°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (45.5°F).
- Average low temperature in October: 45.3°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (34.5°F).
Average pressure in October
Salem, OR
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in October
Salem, OR
- Average wind speed in October: 4.9mph
The windiest months (with the highest average wind speed) are January, March and November (5.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in October
Salem, OR
- Average humidity in October: 77%
The 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: 2.4"
The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (0.28").
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 least rainy days is July (3.9 days).
Average snowfall in October
Salem, OR
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").
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).
The months with the least 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: 10h and 54min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in October: 5h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in October
Salem, OR
- Average sunshine days in October: 14.8 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is March (8.8 days).
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).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Salem, OR
- Average cloud cover in October: 43
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in October
Salem, OR
- Average visibility in October: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
