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
The advent of April brings an average high-temperature of a still comfortable 67.1°F (19.5°C), exhibiting minor difference from the previous month. April nights are marked by an average temperature drop to a mild 55.4°F (13°C).Humidity
In April, the average relative humidity is 66%.Rainfall
In Seal Beach, during April, the rain falls for 6.1 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, there are 57.8 rainfall days, and 8.82" (224mm) of precipitation is accumulated.Ocean temperature
In April, the average ocean temperature is 59.2°F (15.1°C).Note: Most people do not find pleasure in swimming when the water temperature is 59.2°F (15.1°C). Breathing becomes increasingly difficult to manage as the water temperature drops from 69.8°F (21°C) to 59°F (15°C).
Daylight
In April, the average length of the day is 13h and 3min.On the first day of April, sunrise is at 6:38 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:35 pm PDT.
Sunshine
In Seal Beach, the average sunshine in April is 10.9h.UV index
In Seal Beach, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In April, the UV index of 5 transforms into the following advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
What is the ocean temperature in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Seal Beach have in April?
What is the UV index intensity in April?
Average temperature in April
Seal Beach, CA
- Average high temperature in April: 67.1°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (62.8°F).
- Average low temperature in April: 55.4°F
The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is February (52.7°F).
Average pressure in April
Seal Beach, CA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in April
Seal Beach, CA
- Average wind speed in April: 6.7mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest months (with the lowest average wind speed) are August, September and October (5.3mph).
Average humidity in April
Seal Beach, CA
- Average humidity in April: 66%
The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (57%).
Average rainfall in April
Seal Beach, CA
- Average rainfall in April: 0.51"
The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in April
Seal Beach, CA
- Average rainfall days in April: 6.1 days
The month with the highest number of rainy days is March (8.1 days).
The months with the least rainy days are June and August (2.3 days).
Average sea temperature in April
Seal Beach, CA
- Average sea temperature in April: 59.2°F
The best months for swimming (with the highest average sea temperature) are July and August (67.9°F).
The coldest month (with the lowest average sea temperature) is January (58.3°F).
Average daylight in April /
Average sunshine in April
Seal Beach, CA
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in April: 10h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in April
Seal Beach, CA
- Average sunshine days in April: 21.7 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (19.3 days).
Average UV index in April
Seal Beach, CA
- Average UV index in April: 5
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in April
Seal Beach, CA
- Average cloud cover in April: 20
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in April
Seal Beach, 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).
Seal Beach, California, USA
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