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 meteorological conditions markedly change with the average high-temperature descending from an agreeable 71.2°F (21.8°C) in September to a fresh 55.2°F (12.9°C). In the month of October, the temperature generally rests at an average low of 36.5°F (2.5°C).Humidity
The average relative humidity in October is 63%.Rainfall
In Richland, during October, the rain falls for 10.5 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Richland, during the entire year, the rain falls for 113.5 days and collects up to 12.56" (319mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows in Richland. Throughout October, in the average 1.6 snowfall days, it receives 0.55" (14mm) of snow. Throughout the year, in Richland, there are 65.1 snowfall days, and 38.9" (988mm) of snow is accumulated.Daylight
The average length of the day in October in Richland is 10h and 57min.On the first day of the month, sunrise is at 6:47 am and sunset at 6:28 pm. On the last day of October, in Richland, sunrise is at 7:26 am and sunset at 5:38 pm PDT.
Sunshine
In Richland, the average sunshine in October is 7.5h.UV index
In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 2 in October translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What are the temperatures in Richland in October?
What is the average humidity in October in Richland?
How much does it rain in Richland in October?
When does it start snowing in Richland?
How many hours of daylight does Richland have in October?
When are sunrise and sunset in October in Richland?
How many hours of sunshine does Richland have in October?
What is the UV index reading in October in Richland?
Average temperature in October
Richland, OR
- Average high temperature in October: 55.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (30.7°F).
- Average low temperature in October: 36.5°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).
Average pressure in October
Richland, OR
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in October
Richland, OR
- Average wind speed in October: 5.4mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are September and October (5.4mph).
Average humidity in October
Richland, OR
- Average humidity in October: 63%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (40%).
Average rainfall in October
Richland, OR
- Average rainfall in October: 0.91"
The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in October
Richland, OR
- Average rainfall days in October: 10.5 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in October
Richland, OR
- Average snowfall in October: 0.55"
The month with the highest snowfall is December (10.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Richland, OR
- Average snowfall days in October: 1.6 days
The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Richland, OR
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in October: 7h and 3min
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 48min).
Average sunshine days in October
Richland, OR
- Average sunshine days in October: 18.8 days
The month with the most sunshine days is July (22.7 days).
The months with the least sunshine days are February and March (11.3 days).
Average UV index in October
Richland, OR
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in October
Richland, OR
- Average cloud cover in October: 26
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in October
Richland, OR
- Average visibility in October: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Richland, Oregon, USA
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