April weather forecastMorro Bay, CA
April
Weather in April
April, like March, in Morro Bay, California, is another refreshing spring month, with an average temperature varying between 49.3°F (9.6°C) and 65.3°F (18.5°C).Temperature
Morro Bay's shift from March to April is accompanied by an average high-temperature of a still enjoyable 65.3°F (18.5°C), a slight deviation from 62.6°F (17°C). An average temperature of 49.3°F (9.6°C) is recorded during the nights in April.Humidity
In April, the average relative humidity is 68%.Rainfall
In Morro Bay, in April, it is raining for 6.2 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 53.7 rainfall days, and 8.58" (218mm) of precipitation is accumulated.Ocean temperature
April and May, with an average ocean temperature of 54.3°F (12.4°C), are months with the coldest seawater.Note: Unprotected swimming in 54.3°F (12.4°C) is dangerous due to potential cold shock. Especially when temperatures go below 50°F (10°C), leading to hyperventilation.
Daylight
In Morro Bay, California, the average length of the day in April is 13h and 7min.On the first day of April, sunrise is at 6:48 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:49 pm PDT.
Sunshine
The average sunshine in April in Morro Bay, California, is 10.8h.UV index
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In April, a regular UV index of 4 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Morro Bay, CA
- Average high temperature in April: 65.3°F
The warmest month (with the highest average high temperature) is September (76.3°F).
The month with the lowest average high temperature is December (59.2°F).
- Average low temperature in April: 49.3°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (47.3°F).
Average pressure in April
Morro Bay, CA
- Average pressure in April: 30.02"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June and September (29.91"Hg).
Average wind speed in April
Morro Bay, CA
- Average wind speed in April: 7.8mph
The windiest month (with the highest average wind speed) is May (7.9mph).
The calmest months (with the lowest average wind speed) are August and September (6mph).
Average humidity in April
Morro Bay, CA
- Average humidity in April: 68%
The month with the highest relative humidity is March (70%).
The months with the lowest relative humidity are September and October (61%).
Average rainfall in April
Morro Bay, CA
- Average rainfall in April: 0.51"
The wettest month (with the highest rainfall) is January (1.81").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in April
Morro Bay, CA
- Average rainfall days in April: 6.2 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.7 days).
Average sea temperature in April
Morro Bay, CA
- Average sea temperature in April: 54.3°F
The best months for swimming (with the highest average sea temperature) are August and October (58.6°F).
The coldest month (with the lowest average sea temperature) is April (54.3°F).
Average daylight in April /
Average sunshine in April
Morro Bay, CA
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 10h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in April
Morro Bay, CA
- Average sunshine days in April: 23.1 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.1 days).
Average UV index in April
Morro Bay, CA
- Average UV index in April: 4
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in April
Morro Bay, CA
- Average cloud cover in April: 20
The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 7).
Average visibility in April
Morro Bay, 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).
