Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
In October, the average high-temperature goes from an agreeable 71.6°F (22°C) in September to a mild 59.7°F (15.4°C). October nights cool down to an average low-temperature of 43.9°F (6.6°C).Humidity
The average relative humidity in October is 78%.Rainfall
In Heisson, in October, it is raining for 16.9 days, with typically 4.69" (119mm) of accumulated precipitation. Throughout the year, there are 177.9 rainfall days, and 40.67" (1033mm) of precipitation is accumulated.Snowfall
In Heisson, snow does not fall in April through October.Daylight
The average length of the day in October in Heisson is 10h and 55min.On the first day of the month, sunrise is at 7:09 am and sunset at 6:49 pm. On the last day of October, sunrise is at 7:49 am and sunset at 5:57 pm PDT.
Sunshine
In October, the average sunshine is 5.2h.UV index
In Heisson, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 3 in October translates into this advice:
Ensure safety - Sun damage prevention is strongly urged. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature?
What is the average humidity in October?
How much does it rain in October?
When it does not snow?
Does it snow in October?
How many hours of daylight does Heisson have in October?
What time are sunrise and sunset in October?
How many hours of sunshine does Heisson have in October?
What is the UV index reading in October?
Average temperature in October
Heisson, WA
- Average high temperature in October: 59.7°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in October: 43.9°F
The month with the highest average low temperature is August (52°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).
Average pressure in October
Heisson, WA
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in October
Heisson, WA
- Average wind speed in October: 4.6mph
The windiest month (with the highest average wind speed) is January (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in October
Heisson, WA
- Average humidity in October: 78%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (67%).
Average rainfall in October
Heisson, WA
- Average rainfall in October: 4.69"
The wettest month (with the highest rainfall) is January (6.06").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in October
Heisson, WA
- Average rainfall days in October: 16.9 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is August (5.1 days).
Average snowfall in October
Heisson, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Heisson, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (3.7 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
Heisson, WA
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in October: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 3h and 48min).
Average sunshine days in October
Heisson, WA
- Average sunshine days in October: 13 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in October
Heisson, 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
Heisson, WA
- Average cloud cover in October: 46
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in October
Heisson, WA
- Average visibility in October: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Heisson, Washington, USA
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