July weather forecastOpal Cliffs, CA
July
Weather in July
July, like June, is an agreeable summer month in Opal Cliffs, California, with an average temperature varying between 72.5°F (22.5°C) and 53.4°F (11.9°C).Temperature
Opal Cliffs, California, records an average high-temperature of a still pleasant 72.5°F (22.5°C) in July, maintaining a close correlation with June's 70°F (21.1°C). Opal Cliffs's average low-temperature in July is measured at a fresh 53.4°F (11.9°C).Humidity
In July, the average relative humidity is 73%.Rainfall
The months with the least rainfall are July and August Rain falls for 2.8 days and accumulates 0.04" (1mm) of rain.Ocean temperature
In Opal Cliffs, the average seawater temperature in July is 56.8°F (13.8°C).Note: Beware when you're in 56.8°F (13.8°C) waters; 55.4°F (13°C) is chilling and anything below 50°F (10°C) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
The average length of the day in July is 14h and 24min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:31 pm. On the last day of July, sunrise is at 6:13 am and sunset at 8:15 pm PDT.
Sunshine
The month with the most sunshine is July, with an average of 11.7h of sunshine.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In July, the average maximum UV index of 5 translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Opal Cliffs, CA
- Average high temperature in July: 72.5°F
The warmest months (with the highest average high temperature) are August and September (73°F).
The month with the lowest average high temperature is December (57.2°F).
- Average low temperature in July: 53.4°F
The month with the highest average low temperature is September (55.2°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).
Average pressure in July
Opal Cliffs, CA
- Average pressure in July: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in July
Opal Cliffs, CA
- Average wind speed in July: 5.5mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in July
Opal Cliffs, CA
- Average humidity in July: 73%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).
Average rainfall in July
Opal Cliffs, CA
- Average rainfall in July: 0.04"
The wettest month (with the highest rainfall) is December (2.8").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in July
Opal Cliffs, CA
- Average rainfall days in July: 2.8 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (1.2 days).
Average sea temperature in July
Opal Cliffs, CA
- Average sea temperature in July: 56.8°F
The best months for swimming (with the highest average sea temperature) are August and September (58.1°F).
The coldest month (with the lowest average sea temperature) is April (53.8°F).
Average daylight in July /
Average sunshine in July
Opal Cliffs, CA
- Average daylight in July: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in July: 11h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in July
Opal Cliffs, CA
- Average sunshine days in July: 27.4 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (16.4 days).
Average UV index in July
Opal Cliffs, CA
- Average UV index in July: 5
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February and November (UV index 3).
Average cloud cover in July
Opal Cliffs, CA
- Average cloud cover in July: 15
The month with the most cloud cover is March (Cloud cover 38).
The months with the least cloud cover are July and September (Cloud cover 15).
Average visibility in July
Opal Cliffs, CA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
