Historic Murphy Avenue in downtown Sunnyvale

Weather · March

Sunnyvale weather in March

Average highs of 65°F, lows of 47°F and 2.0 in of rain, from 30 years of weather records.

March is Sunnyvale’s 9th warmest month, with average highs of 65°F and lows of 47°F. That is 3° warmer than February, and 4° below the yearly average high.

Average high
65°F
Average low
47°F
Precipitation
2.0 in
Wet days
10
Sunrise · sunset
7:19 AM · 7:14 PM

March across the year

  1. 59°42°Jan
  2. 62°45°Feb
  3. 65°47°Mar
  4. 68°49°Apr
  5. 72°53°May
  6. 76°56°Jun
  7. 77°59°Jul
  8. 77°59°Aug
  9. 78°57°Sep
  10. 74°53°Oct
  11. 66°46°Nov
  12. 59°42°Dec

High and low Rain

What to wear in March

  • Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.
  • Pack an umbrella or rain jacket: rain or snow falls on about 10 days this month.

March is good for

What’s on in Sunnyvale in March

See all upcoming events and school days off.

Around Sunnyvale

Seven Seas Park Playground (Sunnyvale)
Seven Seas Park Playground (Sunnyvale)BrokenSegue · CC BY-SA 4.0
Murphy street, Sunnyvale
Murphy street (6893400005)Ed Schipul from Houston, TX, US · CC BY 2.0
Historic Murphy Avenue, Sunnyvale (May 2025)
Historic Murphy Avenue, Sunnyvale (May 2025) (cropped)The Sands of Time 0 · CC BY-SA 4.0

See Sunnyvale

A look around town before you go.

Exploring Downtown Sunnyvale with my fiancé’s cousin 🤗 video thumbnail

THINGS TO DO · YOUTUBE SHORT

Exploring Downtown Sunnyvale with my fiancé’s cousin 🤗

A local activity Short shared by Belugabee.

Watch on YouTube ↗

March compared with the months around it

MonthHighLowRain
February62°F45°F2.9 in
March65°F47°F2.0 in
April68°F49°F1.0 in

Planning a trip? See the best time to visit Sunnyvale and today’s forecast.

Questions

How hot does it get in Sunnyvale in March?

Average highs are 65°F and average lows 47°F, for a daily mean of 56°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Sunnyvale in March?

March averages 2.0 in of precipitation over about 10 days with at least 0.01 in. It is the 4th wettest month of the year.

What time is sunset in Sunnyvale in March?

Around mid-March the sun rises about 7:19 AM and sets about 7:14 PM, for roughly 11.9 hours of daylight.

Is March a good time to visit Sunnyvale?

The mildest months for visiting are June, July, August. March is mild, with St. Patrick’s Day events.

NOAA U.S. Climate Normals 1991–2020, Moffett Federal Airfield station (2.5 mi from downtown). Sunrise and sunset are calculated for March 15 at the city’s coordinates.

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