March weather forecastSanta Barbara, CA
March
Weather in March
March in Santa Barbara witnesses a gradual change towards warmer days, albeit with a higher number of rainy days at 7.3 days. The average high this month is typically around 63.1°F (17.3°C) while lows average at 48.7°F (9.3°C). Sunshine hours increase to an average of 8.9 hours per day, while the overall cloud cover is typically around the 23% mark. As March transitions to April, the city experiences a noticeable reduction in rainfall, although the humidity levels stay fairly consistent.Temperature
The transition from February to March in Santa Barbara sees an average high-temperature of a still comfortable 63.1°F (17.3°C), indicating a minor variance from the prior month. Santa Barbara's temperature lowers to a mean of 48.7°F (9.3°C) during the nights in March.Humidity
The most humid month is March, with an average relative humidity of 64%.Rainfall
In Santa Barbara, in March, during 7.3 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Santa Barbara, California, during the entire year, the rain falls for 43.7 days and collects up to 7.68" (195mm) of precipitation.Ocean temperature
In Santa Barbara, in March, the average water temperature is 56.1°F (13.4°C).Note: Swimming in 56.1°F (13.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.
Daylight
In March, the average length of the day in Santa Barbara is 12h and 0min.On the first day of the month, sunrise is at 6:26 am and sunset at 5:55 pm PST. On the last day of March, sunrise is at 6:45 am and sunset at 7:19 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.
Sunshine
The average sunshine in March is 8.9h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In March, the UV index of 4 transforms into the following advice:
Act with care - The need to guard against sun damage is communicated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Santa Barbara, CA
- Average high temperature in March: 63.1°F
The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (60.6°F).
- Average low temperature in March: 48.7°F
The month with the highest average low temperature is August (62.1°F).
The coldest month (with the lowest average low temperature) is February (47.7°F).
Average pressure in March
Santa Barbara, CA
- Average pressure in March: 30.05"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in March
Santa Barbara, CA
- Average wind speed in March: 7.6mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in March
Santa Barbara, CA
- Average humidity in March: 64%
The month with the highest relative humidity is March (64%).
The months with the lowest relative humidity are September, October and November (56%).
Average rainfall in March
Santa Barbara, CA
- Average rainfall in March: 1.46"
The wettest month (with the highest rainfall) is January (1.57").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in March
Santa Barbara, CA
- Average rainfall days in March: 7.3 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.2 days).
Average sea temperature in March
Santa Barbara, CA
- Average sea temperature in March: 56.1°F
The best month for swimming (with the highest average sea temperature) is August (62.2°F).
The coldest month (with the lowest average sea temperature) is April (55.7°F).
Average daylight in March /
Average sunshine in March
Santa Barbara, CA
- Average daylight in March: 12h 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: 9h and 54min).
- Average sunshine in March: 8h and 54min
The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in March
Santa Barbara, CA
- Average sunshine days in March: 23.1 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in March
Santa Barbara, CA
- Average UV index in March: 4
The months with the highest UV index are June, 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 March
Santa Barbara, CA
- Average cloud cover in March: 23
The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in March
Santa Barbara, CA
- Average visibility in March: 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).
