Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's weather displays an average high-temperature of a still refreshing 63.1°F (17.3°C), slightly varied from March's 60.4°F (15.8°C). In Opal Cliffs, April nights cool down to an average of 47.3°F (8.5°C).Humidity
The average relative humidity in April in Opal Cliffs is 73%.Rainfall
In Opal Cliffs, in April, it is raining for 9 days, with typically 0.94" (24mm) of accumulated precipitation. In Opal Cliffs, during the entire year, the rain falls for 77.9 days and collects up to 14.45" (367mm) of precipitation.Ocean temperature
With an average ocean temperature of 53.8°F (12.1°C), April is the month with the coldest seawater in Opal Cliffs.Note: Swimming in 53.8°F (12.1°C) can be lethal. Merely spending a few minutes in 55.4°F (13°C) waters feels harsh, and venturing below 50°F (10°C) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
In Opal Cliffs, the average length of the day in April is 13h and 10min.On the first day of April in Opal Cliffs, sunrise is at 6:52 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:56 pm PDT.
Sunshine
The average sunshine in April is 10h.UV index
In April, the average daily maximum UV index in Opal Cliffs is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 during April translates into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the usual temperature for Opal Cliffs in April?
What is the average humidity in April in Opal Cliffs?
How many days does it rain in April in Opal Cliffs?
What is the month with the coldest ocean in Opal Cliffs?
How cold is the water in April in Opal Cliffs?
How many hours of daylight does Opal Cliffs have in April?
What time are sunrise and sunset in April in Opal Cliffs?
How long on average sun shines in April in Opal Cliffs?
What is the UV index reading in April in Opal Cliffs?
Average temperature in April
Opal Cliffs, CA
- Average high temperature in April: 63.1°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 April: 47.3°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 April
Opal Cliffs, CA
- Average pressure in April: 30.04"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 April
Opal Cliffs, CA
- Average wind speed in April: 7.4mph
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 April
Opal Cliffs, CA
- Average humidity in April: 73%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).
Average rainfall in April
Opal Cliffs, CA
- Average rainfall in April: 0.94"
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 April
Opal Cliffs, CA
- Average rainfall days in April: 9 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 April
Opal Cliffs, CA
- Average sea temperature in April: 53.8°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 April /
Average sunshine in April
Opal Cliffs, CA
- Average daylight in April: 13h and 1min
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 April: 10h and 0min
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 April
Opal Cliffs, CA
- Average sunshine days in April: 19.9 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 April
Opal Cliffs, CA
- Average UV index in April: 4
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 April
Opal Cliffs, CA
- Average cloud cover in April: 30
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 April
Opal Cliffs, CA
- Average visibility in April: 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).
Opal Cliffs, California, USA
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