April weather forecastBig Sur, CA
April
Weather in April
April signals the advent of the spring season in Big Sur, carrying with it an alluring blend of weather patterns. The cold stiffness of the previous months begins to wane as warm beckons usher in. A notable drop in rainfall emerges, plummeting to 0.87" (22mm) distributed over 7.7 days. The resplendent palette of blossoming spring in combination with the intermittent rain showers personify the captivating charm of the season, promising pleasant days riddled with the vibrant hues of wildflowers.Temperature
The arrival of April marks a slight shift to an average high-temperature of a still moderate 60.1°F (15.6°C) from March's 58.5°F (14.7°C). Nighttime temperatures consistently average a chilly 48.4°F (9.1°C) during April.Humidity
The average relative humidity in April is 77%.Rainfall
In Big Sur, during April, the rain falls for 7.7 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Big Sur, during the entire year, the rain falls for 70 days and collects up to 11.93" (303mm) of precipitation.Ocean temperature
March through May, with an average ocean temperature of 53.6°F (12°C), are months with the coldest seawater.Note: It is life-risking to swim in 53.6°F (12°C). Briefly staying in 55.4°F (13°C) waters feels unsettling, and temperatures below 50°F (10°C) might result in cold shock and loss of breath control, hinging on personal endurance.
Daylight
The average length of the day in April is 13h and 9min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:29 pm. On the last day of April, in Big Sur, sunrise is at 6:14 am and sunset at 7:54 pm PDT.
Sunshine
In April, the average sunshine is 10.3h.UV index
In Big Sur, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 4 in April transforms into this advice:
Heed the precautions - Suggestions to avoid sunburn are made. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Big Sur, CA
- Average high temperature in April: 60.1°F
The warmest month (with the highest average high temperature) is September (69.6°F).
The month with the lowest average high temperature is December (57°F).
- Average low temperature in April: 48.4°F
The month with the highest average low temperature is September (55.4°F).
The coldest month (with the lowest average low temperature) is December (46.9°F).
Average pressure in April
Big Sur, CA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.93"Hg).
Average wind speed in April
Big Sur, CA
- Average wind speed in April: 8.5mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in April
Big Sur, CA
- Average humidity in April: 77%
The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is November (70%).
Average rainfall in April
Big Sur, CA
- Average rainfall in April: 0.87"
The wettest month (with the highest rainfall) is December (2.48").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in April
Big Sur, CA
- Average rainfall days in April: 7.7 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (1.3 days).
Average sea temperature in April
Big Sur, CA
- Average sea temperature in April: 54°F
The best months for swimming (with the highest average sea temperature) are August, September and October (59°F).
The coldest months (with the lowest average sea temperature) are March, April and May (54°F).
Average daylight in April /
Average sunshine in April
Big Sur, CA
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in April: 10h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in April
Big Sur, CA
- Average sunshine days in April: 21.3 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (17.3 days).
Average UV index in April
Big Sur, CA
- Average UV index in April: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in April
Big Sur, CA
- Average cloud cover in April: 28
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in April
Big Sur, 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).





