October weather forecastOlympia, WA
October
Weather in October
October is the transition month, where Olympia witnesses a shift from warm autumn weather to the crisp chill of winter. Rainfall steadily increases from 1.81" (46mm) in September to 4.65" (118mm) in October. Shorter daylight hours become noticeable, while leaves change their color adding to the city's visual appeal. The occasional clear blue sky day provides a surprising respite from the rapidly cooling weather. The drop in temperature calls for warmer clothes in preparation for the upcoming winter months.Temperature
The arrival of October corresponds with a temperature reduction, down from September's agreeable 70.5°F (21.4°C) to a mild 58.6°F (14.8°C). Olympia's average low-temperature in October is measured at a cold 42.3°F (5.7°C).Humidity
In Olympia, the average relative humidity in October is 84%.Rainfall
In Olympia, in October, it is raining for 15.9 days, with typically 4.65" (118mm) of accumulated precipitation. In Olympia, during the entire year, the rain falls for 177.4 days and collects up to 37.05" (941mm) of precipitation.Snowfall
In Olympia, snow does not fall in April 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 7:11 am and sunset at 6:50 pm. On the last day of October, sunrise is at 7:54 am and sunset at 5:56 pm PDT.
Sunshine
The average sunshine in October is 4.8h.UV index
The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 3 in October transforms into this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Olympia, WA
- Average high temperature in October: 58.6°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in October: 42.3°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (33.4°F).
Average pressure in October
Olympia, WA
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in October
Olympia, WA
- Average wind speed in October: 3.9mph
The windiest months (with the highest average wind speed) are March and November (4.6mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).
Average humidity in October
Olympia, WA
- Average humidity in October: 84%
The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is July (71%).
Average rainfall in October
Olympia, WA
- Average rainfall in October: 4.65"
The wettest month (with the highest rainfall) is December (5.79").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in October
Olympia, WA
- Average rainfall days in October: 15.9 days
The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (5.5 days).
Average snowfall in October
Olympia, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Olympia, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Olympia, 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: 4h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in October
Olympia, WA
- Average sunshine days in October: 13.8 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in October
Olympia, WA
- Average UV index in October: 3
The months with the highest UV index are June and 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
Olympia, WA
- Average cloud cover in October: 53
The months with the most cloud cover are January and December (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in October
Olympia, WA
- Average visibility in October: 4mi
The months with the highest visibility are June, July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (4mi).
