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
Rio Dell records the warmest temperatures in August, averaging a high of 74.1°F (23.4°C) and a low of 51.8°F (11°C).Humidity
In Rio Dell, the average relative humidity in August is 75%.Rainfall
In August, the rain falls for 1.8 days. Throughout August, 0.12" (3mm) of precipitation is accumulated. Throughout the year, there are 110.9 rainfall days, and 28.27" (718mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
The average length of the day in August is 13h and 44min.On the first day of August, sunrise is at 6:14 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:49 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 11.6h of sunshine.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 during August translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Around midday, solar radiation is most harmful; hence, exposure should be limited. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest?
What is the usual temperature for Rio Dell in August?
What is the average humidity in August?
How much does it rain in Rio Dell in August?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
What is the month with the most sunshine?
How many hours of sunshine does Rio Dell have in August?
What are the months with the highest UV index in Rio Dell?
How high is the UV index in August?
Average temperature in August
Rio Dell, CA
- Average high temperature in August: 74.1°F
The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is December (52.9°F).
- Average low temperature in August: 51.8°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is February (39.7°F).
Average pressure in August
Rio Dell, CA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.96"Hg).
Average wind speed in August
Rio Dell, CA
- Average wind speed in August: 5.9mph
The windiest month (with the highest average wind speed) is June (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in August
Rio Dell, CA
- Average humidity in August: 75%
The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is September (73%).
Average rainfall in August
Rio Dell, CA
- Average rainfall in August: 0.12"
The wettest month (with the highest rainfall) is December (4.96").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in August
Rio Dell, CA
- Average rainfall days in August: 1.8 days
The month with the highest number of rainy days is March (17.3 days).
The months with the least rainy days are July and August (1.8 days).
Average snowfall in August
Rio Dell, CA
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in August
Rio Dell, CA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in August /
Average sunshine in August
Rio Dell, CA
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 11h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in August
Rio Dell, CA
- Average sunshine days in August: 27.9 days
The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (11.9 days).
Average UV index in August
Rio Dell, CA
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in August
Rio Dell, CA
- Average cloud cover in August: 16
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in August
Rio Dell, CA
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
Rio Dell, California, USA
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