Weather in San Francisco in March 2025
Average weather
Average temperature in San Francisco in March
Going from a maximum of +66°F during the day to a minimum of +39°F during the night, the temperature in March averages around +57°F.
The average maximum temperature goes up 7% by the end of the month, compared with the beginning of the month, from +55°F to +57°F.
Is San Francisco warm or cold in March?
San Francisco is typically mild in March.
Maximum temperatures go up compared to the previous month from +61°F to +63°F. The minimum temperature also goes up from +46°F to +48°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how March is compared to other months in San Francisco:
Water temperature in San Francisco in March
Water in San Francisco in March is Cold. It varies from +50°F to +58°F, with an average of +54°F. This is almost similar to the air temperature, which averages +63°F.
In March, water temperatures are average relative to the rest of the year:
Can you swim in San Francisco in March?
Climate in San Francisco in March
| February | March | April | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +61°F | +63°F | +66°F | ||||
| Min. temperature | ||||||
| +30°F | +36°F | +39°F | ||||
| Max. temperature | ||||||
| +75°F | +79°F | +86°F | ||||
| Rainfall | ||||||
| 108 mm | 89 mm | 36 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +53°F | +54°F | +53°F | ||||
| Humidity | ||||||
| 80% | 80% | 78% | ||||
| Air pressure | ||||||
| 1017 HPa | 1016 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 5 | 5 | 8 | ||||
| Cloudy days | ||||||
| 12 | 14 | 14 | ||||
| Rainy days | ||||||
| 11 | 12 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
March weather is still as ok as in February. It’s getting warmer as March arrives. The average maximum temperature goes up from +61°F to +63°F during the day. As March arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 108 mm to 89 mm. Humidity levels don’t change as the month goes on, averaging around 80%. The average wind speed doesn’t change much during March, staying around 3 m/s. The amount of sunny days stay about the same, averaging 5 sunny days during the month.
But maybe it is worth considering traveling in April as the weather gets better.
Wind
The average wind speed is 1 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in San Francisco is gradually increasing during March, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last March in San Francisco?
Climate Change Over the Years
The climate in San Francisco in March has not changed that much over the last 43 years.
The average temperature was the lowest in 1982 (+65°F) and the highest in 2014 (+70°F). The driest year was 2013 with only 127 mm of rainfall, and the wettest year was 1983 with 1162 mm.
FAQ
Is March a good time to visit San Francisco?
Can you sunbathe in San Francisco in March?
Can you swim in San Francisco in March?
Is San Francisco rainy in March?
Is it sunny in San Francisco in March?
Other cities in USA
Monthly weather in San Francisco
Source of the data
For this page, we’ve looked at the typical weather in San Francisco, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.