Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Riverside signifies an average high-temperature of a still moderately hot 83.5°F (28.6°C) in August, closely mirroring the 85.3°F (29.6°C) of July. Riverside demonstrates a significant disparity from daytime highs throughout the month of August, with an average nighttime temperature of 59°F (15°C).Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 31%.Rainfall
In Riverside, in August, during 3.8 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. In Riverside, during the entire year, the rain falls for 109.9 days and collects up to 11.34" (288mm) of precipitation.Snowfall
In Riverside, snow does not fall in June through October.Daylight
The average length of the day in August in Riverside is 13h and 55min.On the first day of August in Riverside, sunrise is at 6:43 am and sunset at 9:14 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 8:29 pm MDT.
Sunshine
In Riverside, the average sunshine in August is 11h.UV index
In Riverside, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 5 in August transforms into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
How hot is it in Riverside in August?
What are the least humid months in Riverside?
What is the average humidity in August in Riverside?
How many days does it rain in August in Riverside?
When it does not snow in Riverside?
What is the average length of the day in August in Riverside?
When is the sunrise / sunset in August in Riverside?
How many hours of sunshine does Riverside have in August?
What is the UV index reading in August in Riverside?
Average temperature in August
Riverside, OR
- Average high temperature in August: 83.5°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (31.8°F).
- Average low temperature in August: 59°F
The month with the highest average low temperature is August (59°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in August
Riverside, OR
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in August
Riverside, OR
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in August
Riverside, OR
- Average humidity in August: 31%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in August
Riverside, OR
- Average rainfall in August: 0.2"
The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in August
Riverside, OR
- Average rainfall days in August: 3.8 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (3.4 days).
Average snowfall in August
Riverside, OR
- Average snowfall in August: 0"
The month with the highest snowfall is December (9.13").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Riverside, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Riverside, OR
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in August
Riverside, OR
- Average sunshine days in August: 23.6 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (11.5 days).
Average UV index in August
Riverside, OR
- Average UV index in August: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Riverside, OR
- Average cloud cover in August: 9
The months with the most cloud cover are January and December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in August
Riverside, OR
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Riverside, Oregon, USA
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