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The weather in March in San Francisco

It's hot in March in San Francisco with an average temperature of 34°C. Temperatures this month range from a low of 32°C to a high of 35°C. At night, you can expect temperatures between 19°C and 20°C.

March is a good month to be in San Francisco for sunny weather. You’ll have high temperatures and not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in March for San Francisco, El Salvador. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 38°C in 2020, San Francisco reached the highest temperature in March over the past 10 years. The lowest daytime temperature in this month was 28°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 14°C to a highest value of 25°C.

Rainfall amount

In March, there is an average of 23 mm of precipitation, spread over 4 days. The wind speed is around 3 Bft, mostly coming from the South.

Daily weather in March for San Francisco

Click on any day in March to get detailed info about the usual weather on that day in San Francisco. Check out the historical temperatures and precipitation over the past 10 years on this day.

March weather comparison

  San Francisco New York
Average temperature 34°C 11°C
Max. temperature 35°C 14°C
Min. temperature 19°C -5°C
Total precipitation 23 mm 63 mm
Rainy days 4 days 10 days

Start of March

The month of March starts in San Francisco with hot temps, averaging around 34°C during the day and nights around 20°C.

Mid March

By mid-March, daytime temps stay steady at around 34°C, with nights around 20°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of March

By the end of March, the average daytime temperature in San Francisco is around 34°C, while nighttime temps are about 20°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

UV index

The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of San Francisco for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in March in San Francisco, El Salvador. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in March in San Francisco

Temperature in March in San Francisco over the years

Precipitation charts

These charts show the average amount of precipitation in March in San Francisco, El Salvador. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in March in San Francisco

Total precipitation in March in San Francisco over the years

Daily UV index in March in San Francisco

This chart shows the average daily UV index in March in San Francisco, 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.

Weather experiences in March in San Francisco

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Average weather in San Francisco by month

Click on a month below to see detailed weather info for San Francisco. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.