Temperatures in March
It's warm in March in San Diego with an average temperature of 27°C. Temperatures this month range from a low of 23°C to a high of 31°C. At night, you can expect temperatures between 12°C and 19°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for San Diego in March. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of March
The month of March starts in San Diego with warm temperatures, averaging around 25°C during the day and nights close to 14°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-March
By mid-March, the average daytime temperature rises to around 27°C, with nights close to 16°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers.
End of March
By the end of March, the average daytime temperature in San Diego will be around 30°C, with nights close to 18°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in March
In March, there is an average of 61 mm of precipitation, spread over 4 days. The wind speed is around 5 Bft, mostly coming from the Southeast.
The precipitation chance averages 13% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in March for San Diego. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
San Diego in March |
London | ||
|---|---|---|---|
 Average Temperature |
27°C | 11°C | |
 High Temp |
31°C | 14°C | |
| Low Temp |
23°C | 8°C | |
 Total Precipitation |
61 mm | 55 mm | |
| Rainy Days |
4 days | 9 days | |
February
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is March a good time to visit San Diego?
Want nice weather? Then March is a great time to be in San Diego. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for San Diego in March
With 36°C, San Diego hit the highest temperature in the last 10 years in March 2020. The lowest daytime temperature in this month was 6°C in 2019. The extreme night temperatures ranged from a low of 0°C to a high of 23°C.
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Daily Temperature in March in San Diego
This chart shows the average daily temperatures, both day and night, for each day in March in San Diego, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in March in San Diego
The chart below shows the average daily precipitation in March for San Diego, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for March, you can expect around 4 days of rain in San Diego.
Daily UV Index in March in San Diego
This chart shows the average daily UV index in March in San Diego, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in March in San Diego Over the Years
This chart shows the average temperature in March in San Diego, measured in degrees Celsius, over the past years.
Total Precipitation in March in San Diego Over the Years
This chart shows the average precipitation in March in San Diego, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in March for San Diego
Click on a specific day in March for detailed info on the typical weather on that day in San Diego. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in March in San Diego
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Average Weather in San Diego by Month
Click on a month below to see detailed weather info for San Diego. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of San Diego for all months at once
