April weather forecastSausalito, CA

April
Weather in April
April is a comfortable spring month in Sausalito, California, with an average temperature ranging between max 62.2°F (16.8°C) and min 48.6°F (9.2°C).Temperature
The onset of April brings with it an average high-temperature of a comfortable 62.2°F (16.8°C), showing a negligible variation from the month before. During April, the average low-temperature is a chilly 48.6°F (9.2°C).Humidity
In Sausalito, the average relative humidity in April is 74%.Rainfall
In April, the rain falls for 6.3 days. Throughout April, 0.24" (6mm) of precipitation is accumulated. In Sausalito, during the entire year, the rain falls for 64.2 days and collects up to 4.8" (122mm) of precipitation.Ocean temperature
The months with the coldest seawater in Sausalito are April through June, with an average ocean temperature of 53.1°F (11.7°C).Note: In 53.1°F (11.7°C), even brief exposure to 55.4°F (13°C) feels biting, and anything less than 50°F (10°C) risks cold shock and impaired breathing, considering one's health.
Daylight
In April, the average length of the day is 13h and 13min.On the first day of April, sunrise is at 6:53 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:00 pm PDT.
Sunshine
In April, the average sunshine in Sausalito is 10.1h.UV index
The months with the highest UV index in Sausalito are April, June through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 5 transforms into these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sausalito, CA
- Average high temperature in April: 62.2°F
The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in April: 48.6°F
The month with the highest average low temperature is September (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (46.2°F).
Average pressure in April
Sausalito, CA
- Average pressure in April: 30.03"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 (29.92"Hg).
Average wind speed in April
Sausalito, 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 October and November (5.7mph).
Average humidity in April
Sausalito, CA
- Average humidity in April: 74%
The months with the highest relative humidity are March and August (76%).
The month with the lowest relative humidity is October (68%).
Average rainfall in April
Sausalito, CA
- Average rainfall in April: 0.24"
The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are June, July, August and September (0.08").
Average rainfall days in April
Sausalito, CA
- Average rainfall days in April: 6.3 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is June (1.9 days).
Average sea temperature in April
Sausalito, CA
- Average sea temperature in April: 53°F
The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).
Average daylight in April /
Average sunshine in April
Sausalito, CA
- Average daylight in April: 13h and 12min
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 36min).
- Average sunshine in April: 10h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in April
Sausalito, CA
- Average sunshine days in April: 22.3 days
The month with the most sunshine days is October (25 days).
The month with the least sunshine days is March (18.4 days).
Average UV index in April
Sausalito, CA
- Average UV index in April: 5
The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Sausalito, CA
- Average cloud cover in April: 29
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in April
Sausalito, 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).





