October weather forecastLa Grande, WA
October
Weather in October
October, like September, is another refreshing autumn month in La Grande, Washington, with an average temperature varying between 57.6°F (14.2°C) and 41.5°F (5.3°C).Temperature
La Grande's October weather features a mild decline in high-temperatures, reducing from a pleasant 68.2°F (20.1°C) in September to a moderate 57.6°F (14.2°C). Nighttime temperature experiences an average drop to a wintry 41.5°F (5.3°C) in October.Humidity
The average relative humidity in October is 80%.Rainfall
In La Grande, in October, during 16.4 rainfall days, 4.25" (108mm) of precipitation is typically accumulated. Throughout the year, there are 182.2 rainfall days, and 37.83" (961mm) of precipitation is accumulated.Snowfall
In La Grande, snow does not fall in May through October.Daylight
In October, the average length of the day is 10h and 52min.On the first day of the month, sunrise is at 7:09 am and sunset at 6:48 pm. On the last day of October, sunrise is at 7:51 am and sunset at 5:54 pm PDT.
Sunshine
In La Grande, the average sunshine in October is 5.4h.UV index
The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 3 in October suggests the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
La Grande, WA
- Average high temperature in October: 57.6°F
The warmest month (with the highest average high temperature) is August (75°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in October: 41.5°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).
Average pressure in October
La Grande, WA
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in October
La Grande, WA
- Average wind speed in October: 4.2mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in October
La Grande, WA
- Average humidity in October: 80%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is July (70%).
Average rainfall in October
La Grande, WA
- Average rainfall in October: 4.25"
The wettest month (with the highest rainfall) is December (5.71").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in October
La Grande, WA
- Average rainfall days in October: 16.4 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in October
La Grande, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (4.84").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
La Grande, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in October /
Average sunshine in October
La Grande, WA
- Average daylight in October: 10h and 54min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in October: 5h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in October
La Grande, WA
- Average sunshine days in October: 13.3 days
The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is February (8 days).
Average UV index in October
La Grande, WA
- Average UV index in October: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
La Grande, WA
- Average cloud cover in October: 46
The months with the most cloud cover are January, February, March and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in October
La Grande, WA
- Average visibility in October: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).





