Santa Rosa weather in March: Santa Rosa, California: normal highs, lows, rain and records for March
Santa Rosa in March has a normal high of 65°F and a normal low of 41°F, a daily mean of 53°F, rising from 64°F on the 1st to 67°F by the 31st. Measurable precipitation falls on 11 days in a normal March, 4.58 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 5°C, 116 mm of precipitation in March.
- NOAA stationSanta Rosa Sonoma County Airport
- Station IDUSW00023213
- Location38.50°N 122.81°W
- Elevation114 ft (35 m)
- Population177,524
- Jan 58° 38°
- Feb 62° 39°
- Mar 65° 41°
- Apr 69° 43°
- May 75° 47°
- Jun 82° 50°
- Jul 84° 52°
- Aug 84° 52°
- Sep 83° 50°
- Oct 77° 46°
- Nov 65° 40°
- Dec 58° 37°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Santa Rosa in March?
The normal high is 65°F and the normal low 41°F, for a daily mean of 53.3°F. March is 2.8°F warmer than February and 2.8°F cooler than April. March is the 8th warmest month of the year in Santa Rosa and the 4th wettest. Across the month the normal high rises 3°F, from 64°F on March 1 to 67°F on March 31. From one year to the next March's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 51°F and 56°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 39%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 64°F | 40°F | 39% | 27% |
| March 8 | 64°F | 41°F | 37% | 24% |
| March 15 | 65°F | 41°F | 36% | 23% |
| March 22 | 66°F | 42°F | 34% | 21% |
| March 31 | 67°F | 42°F | 31% | 19% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 64°F | 40°F | 39% | 27% | 11 h 20 min |
| March 2 | 64°F | 41°F | 39% | 26% | 11 h 20 min |
| March 3 | 64°F | 41°F | 39% | 26% | 11 h 20 min |
| March 4 | 64°F | 41°F | 38% | 26% | 11 h 30 min |
| March 5 | 64°F | 41°F | 38% | 26% | 11 h 30 min |
| March 6 | 64°F | 41°F | 38% | 25% | 11 h 30 min |
| March 7 | 64°F | 41°F | 38% | 25% | 11 h 30 min |
| March 8 | 64°F | 41°F | 37% | 24% | 11 h 40 min |
| March 9 | 65°F | 41°F | 37% | 24% | 11 h 40 min |
| March 10 | 65°F | 41°F | 37% | 24% | 11 h 40 min |
| March 11 | 65°F | 41°F | 37% | 24% | 11 h 40 min |
| March 12 | 65°F | 41°F | 36% | 23% | 11 h 50 min |
| March 13 | 65°F | 41°F | 36% | 23% | 11 h 50 min |
| March 14 | 65°F | 41°F | 36% | 23% | 11 h 50 min |
| March 15 | 65°F | 41°F | 36% | 23% | 11 h 50 min |
| March 16 | 65°F | 41°F | 35% | 22% | 12 h |
| March 17 | 65°F | 42°F | 35% | 22% | 12 h |
| March 18 | 65°F | 42°F | 35% | 22% | 12 h |
| March 19 | 65°F | 42°F | 35% | 22% | 12 h |
| March 20 | 65°F | 42°F | 35% | 22% | 12 h 10 min |
| March 21 | 66°F | 42°F | 34% | 22% | 12 h 10 min |
| March 22 | 66°F | 42°F | 34% | 21% | 12 h 10 min |
| March 23 | 66°F | 42°F | 34% | 21% | 12 h 10 min |
| March 24 | 66°F | 42°F | 34% | 21% | 12 h 20 min |
| March 25 | 66°F | 42°F | 34% | 21% | 12 h 20 min |
| March 26 | 66°F | 42°F | 33% | 21% | 12 h 20 min |
| March 27 | 66°F | 42°F | 33% | 20% | 12 h 20 min |
| March 28 | 66°F | 42°F | 33% | 20% | 12 h 30 min |
| March 29 | 66°F | 42°F | 32% | 20% | 12 h 30 min |
| March 30 | 67°F | 42°F | 32% | 20% | 12 h 30 min |
| March 31 | 67°F | 42°F | 31% | 19% | 12 h 30 min |
- Normal high
- 65°FMarch average
- Normal low
- 41°FMarch average
- Precipitation
- 4.58 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 1
- Daylight
- 11 h 20 min to 12 h 30 minMarch 1 to March 31
- Days at 70°F or more
- 9
- Days at 80°F or more
- 2
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023213; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Santa Rosa in March?
On a given March day the chance of 0.01 inch or more is 35% on average, highest around March 1 (39%). In all, 4.58 in falls on 11 days of a normal March, 1 of them with an inch or more.
In a normal March in Santa Rosa, 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023213.
What are the records for March in Santa Rosa?
The warmest March temperature on this station's record (since 1998) is 91°F, on March 20, 2026; the coldest is 28°F, on March 10, 2009. The wettest March brought 12.84 in (2023).
The March mean against the 1991-2020 normal of 53.3°F: 2021 50.3°F (−3.0), 2022 54.5°F (+1.2), 2023 48.8°F (−4.5), 2024 52.6°F (−0.7), 2025 52.3°F (−1.0), 2026 61.6°F (+8.3). 2 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 50.3°F | −3.0°F | 2.65 in |
| 2022 | 54.5°F | +1.2°F | 1.30 in |
| 2023 | 48.8°F | −4.5°F | 12.84 in |
| 2024 | 52.6°F | −0.7°F | 4.57 in |
| 2025 | 52.3°F | −1.0°F | 3.55 in |
| 2026 | 61.6°F | +8.3°F | 0.27 in |
Source: records: ACIS, station USW00023213; recent months: ACIS, station USW00023213. Records and recent months use complete months only.
How does March in Santa Rosa compare across California?
Across the 219 places PlainClimate covers in California, March normal highs run from 43°F in Tahoma to 81°F in Brawley; Santa Rosa's is 65°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.