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
With the beginning of October, the average high-temperature shows a decrease, transitioning from a warm 74.1°F (23.4°C) in September to a comfortable 61.9°F (16.6°C). Throughout the October nights, Happy Valley encounters a low-temperature of 45.5°F (7.5°C).Humidity
The average relative humidity in October is 75%.Rainfall
In October, the rain falls for 15.5 days. Throughout October, 3.35" (85mm) of precipitation is accumulated. In Happy Valley, during the entire year, the rain falls for 172.2 days and collects up to 31.3" (795mm) of precipitation.Snowfall
In Happy Valley, snow does not fall in April through October.Daylight
In October, the average length of the day is 10h and 55min.On the first day of October, sunrise is at 7:09 am and sunset at 6:49 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:58 pm PDT.
Sunshine
In October, the average sunshine in Happy Valley is 5.5h.UV index
In October, the average daily maximum UV index in Happy Valley is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 3 in October leads to these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What are October temperatures in Happy Valley?
What is the average humidity in October in Happy Valley?
How much does it rain in Happy Valley in October?
When it does not snow in Happy Valley?
Does it snow in Happy Valley in October?
What is the average length of the day in October in Happy Valley?
When is the sunrise / sunset in October in Happy Valley?
How long on average sun shines in October in Happy Valley?
How high is the UV index in October in Happy Valley?
Average temperature in October
Happy Valley, OR
- Average high temperature in October: 61.9°F
The warmest month (with the highest average high temperature) is August (81.7°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in October: 45.5°F
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure in October
Happy Valley, OR
- 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
Happy Valley, OR
- Average wind speed in October: 4.7mph
The windiest month (with the highest average wind speed) is January (6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in October
Happy Valley, OR
- Average humidity in October: 75%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (63%).
Average rainfall in October
Happy Valley, OR
- Average rainfall in October: 3.35"
The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in October
Happy Valley, OR
- Average rainfall days in October: 15.5 days
The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is July (4.8 days).
Average snowfall in October
Happy Valley, OR
- Average snowfall in October: 0"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Happy Valley, OR
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (2.3 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
Happy Valley, OR
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in October: 5h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in October
Happy Valley, OR
- Average sunshine days in October: 14.1 days
The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in October
Happy Valley, OR
- 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
Happy Valley, OR
- Average cloud cover in October: 42
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in October
Happy Valley, OR
- Average visibility in October: 6mi
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
Happy Valley, Oregon, USA
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