October weather forecastManchester, WA
October
Weather in October
October, the same as September, in Manchester, Washington, is a moderate autumn month, with an average temperature ranging between max 58.6°F (14.8°C) and min 45°F (7.2°C).Temperature
With October's arrival, Manchester's weather changes as the average high-temperature falls from an agreeable 70°F (21.1°C) in September to a moderate 58.6°F (14.8°C). During October, the average low-temperature is a chilly 45°F (7.2°C).Humidity
In Manchester, the average relative humidity in October is 81%.Rainfall
In Manchester, in October, it is raining for 11.8 days, with typically 1.1" (28mm) of accumulated precipitation. Throughout the year, there are 138.9 rainfall days, and 12.24" (311mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Ocean temperature
In Manchester, in October, the average water temperature is 50.9°F (10.5°C).Note: It is life-risking to swim in 50.9°F (10.5°C). Briefly staying in 55.4°F (13°C) waters feels unsettling, and temperatures below 50°F (10°C) might result in cold shock and loss of breath control, hinging on personal endurance.
Daylight
In Manchester, the average length of the day in October is 10h and 50min.On the first day of October, sunrise is at 7:10 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:53 pm PDT.
Sunshine
In Manchester, Washington, the average sunshine in October is 5.6h.UV index
In Manchester, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In October, the maximum UV index of 3 transforms into these recommendations:
Undertake precautions - Guarding against sun damage is counselled. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Manchester, WA
- Average high temperature in October: 58.6°F
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (43.2°F).
- Average low temperature in October: 45°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).
Average pressure in October
Manchester, WA
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in October
Manchester, WA
- Average wind speed in October: 4.5mph
The windiest month (with the highest average wind speed) is March (5.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in October
Manchester, WA
- Average humidity in October: 81%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (69%).
Average rainfall in October
Manchester, WA
- Average rainfall in October: 1.1"
The wettest months (with the highest rainfall) are January and December (2.05").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in October
Manchester, WA
- Average rainfall days in October: 11.8 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in October
Manchester, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Manchester, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in October
Manchester, WA
- Average sea temperature in October: 50.9°F
The best month for swimming (with the highest average sea temperature) is August (53.2°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).
Average daylight in October /
Average sunshine in October
Manchester, WA
- Average daylight in October: 10h and 48min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in October: 5h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in October
Manchester, WA
- Average sunshine days in October: 16.6 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in October
Manchester, WA
- 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
Manchester, WA
- Average cloud cover in October: 42
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in October
Manchester, WA
- Average visibility in October: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).





