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
The shift into October brings a noticeable decrease in the average high-temperature, falling from a pleasant 72.7°F (22.6°C) in September to a moderate 56.3°F (13.5°C). In Hartline, the October nights cool down to an average low of 41.4°F (5.2°C).Humidity
The average relative humidity in October is 63%.Rainfall
In Hartline, in October, it is raining for 10.3 days, with typically 0.87" (22mm) of accumulated precipitation. In Hartline, during the entire year, the rain falls for 102.1 days and collects up to 9.65" (245mm) of precipitation.Snowfall
January through April, September through December are months with snowfall. In Hartline, in October, during 0.2 snowfall days, 0.04" (1mm) of snow is typically accumulated. Throughout the year, there are 33.4 snowfall days, and 14.65" (372mm) of snow is accumulated.Daylight
In October, the average length of the day is 10h and 50min.On the first day of the month, sunrise is at 6:56 am and sunset at 6:34 pm. On the last day of October, sunrise is at 7:40 am and sunset at 5:39 pm PDT.
Sunshine
In October, the average sunshine in Hartline is 6.7h.UV index
In Hartline, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 2 in October translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the usual temperature for Hartline in October?
What is the average humidity in October in Hartline?
How much does it rain in Hartline in October?
How many days does it snow in October in Hartline?
How many hours of daylight does Hartline have in October?
When is the sunrise / sunset in October in Hartline?
How many hours of sunshine does Hartline have in October?
How high is the UV index in October in Hartline?
Average temperature in October
Hartline, WA
- Average high temperature in October: 56.3°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (31.6°F).
- Average low temperature in October: 41.4°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in October
Hartline, WA
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in October
Hartline, WA
- Average wind speed in October: 5.9mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in October
Hartline, WA
- Average humidity in October: 63%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (36%).
Average rainfall in October
Hartline, WA
- Average rainfall in October: 0.87"
The wettest months (with the highest rainfall) are May and December (1.18").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in October
Hartline, WA
- Average rainfall days in October: 10.3 days
The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in October
Hartline, WA
- Average snowfall in October: 0.04"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in October
Hartline, WA
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Hartline, WA
- Average daylight in October: 10h and 5min
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: 6h and 4min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in October
Hartline, WA
- Average sunshine days in October: 19.2 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is March (14.7 days).
Average UV index in October
Hartline, WA
- Average UV index in October: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in October
Hartline, WA
- Average cloud cover in October: 31
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in October
Hartline, WA
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Hartline, Washington, USA
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