Sonoma weather in March: Sonoma, California: normal highs, lows, rain and records for March
Sonoma in March has a normal high of 65°F and a normal low of 42°F, a daily mean of 54°F, rising from 64°F on the 1st to 67°F by the 31st. Measurable precipitation falls on 10 days in a normal March, 3.84 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 5°C, 98 mm of precipitation in March.
- NOAA stationSonoma
- Station IDUSC00048351
- Location38.30°N 122.46°W
- Elevation97 ft (30 m)
- Population10,606
- Jan 57° 38°
- Feb 62° 40°
- Mar 65° 42°
- Apr 69° 44°
- May 75° 48°
- Jun 83° 51°
- Jul 86° 54°
- Aug 86° 53°
- Sep 85° 51°
- Oct 78° 47°
- Nov 65° 42°
- Dec 57° 38°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Sonoma in March?
The normal high is 65°F and the normal low 42°F, for a daily mean of 53.7°F. March is 2.9°F warmer than February and 3.0°F cooler than April. March is the 8th warmest month of the year in Sonoma 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 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 64°F | 41°F | 37% | 27% |
| March 8 | 65°F | 41°F | 34% | 24% |
| March 15 | 65°F | 42°F | 32% | 22% |
| March 22 | 66°F | 42°F | 30% | 20% |
| March 31 | 67°F | 43°F | 27% | 18% |
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 | 41°F | 37% | 27% | 11 h 20 min |
| March 2 | 64°F | 41°F | 37% | 26% | 11 h 20 min |
| March 3 | 64°F | 41°F | 36% | 26% | 11 h 20 min |
| March 4 | 64°F | 41°F | 36% | 26% | 11 h 30 min |
| March 5 | 64°F | 41°F | 36% | 25% | 11 h 30 min |
| March 6 | 65°F | 41°F | 35% | 25% | 11 h 30 min |
| March 7 | 65°F | 41°F | 35% | 24% | 11 h 30 min |
| March 8 | 65°F | 41°F | 34% | 24% | 11 h 40 min |
| March 9 | 65°F | 42°F | 34% | 24% | 11 h 40 min |
| March 10 | 65°F | 42°F | 34% | 23% | 11 h 40 min |
| March 11 | 65°F | 42°F | 33% | 23% | 11 h 40 min |
| March 12 | 65°F | 42°F | 33% | 23% | 11 h 50 min |
| March 13 | 65°F | 42°F | 33% | 23% | 11 h 50 min |
| March 14 | 65°F | 42°F | 32% | 22% | 11 h 50 min |
| March 15 | 65°F | 42°F | 32% | 22% | 11 h 50 min |
| March 16 | 65°F | 42°F | 32% | 22% | 12 h |
| March 17 | 66°F | 42°F | 31% | 21% | 12 h |
| March 18 | 66°F | 42°F | 31% | 21% | 12 h |
| March 19 | 66°F | 42°F | 30% | 21% | 12 h |
| March 20 | 66°F | 42°F | 30% | 21% | 12 h 10 min |
| March 21 | 66°F | 42°F | 30% | 20% | 12 h 10 min |
| March 22 | 66°F | 42°F | 30% | 20% | 12 h 10 min |
| March 23 | 66°F | 42°F | 29% | 20% | 12 h 10 min |
| March 24 | 66°F | 42°F | 29% | 20% | 12 h 20 min |
| March 25 | 66°F | 43°F | 29% | 19% | 12 h 20 min |
| March 26 | 66°F | 43°F | 28% | 19% | 12 h 20 min |
| March 27 | 66°F | 43°F | 28% | 19% | 12 h 20 min |
| March 28 | 67°F | 43°F | 28% | 18% | 12 h 30 min |
| March 29 | 67°F | 43°F | 27% | 18% | 12 h 30 min |
| March 30 | 67°F | 43°F | 27% | 18% | 12 h 30 min |
| March 31 | 67°F | 43°F | 27% | 18% | 12 h 30 min |
- Normal high
- 65°FMarch average
- Normal low
- 42°FMarch average
- Precipitation
- 3.84 inmonth total
- Days with precipitation
- 100.01 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
- 11
- Days at 80°F or more
- 1
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00048351; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Sonoma in March?
On a given March day the chance of 0.01 inch or more is 32% on average, highest around March 1 (37%). In all, 3.84 in falls on 10 days of a normal March, 1 of them with an inch or more.
In a normal March in Sonoma, 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00048351.
What are the records for March in Sonoma?
The warmest March temperature on this station's record (since 1893) is 90°F, on March 30, 1894; the coldest is 24°F, on March 21, 1894. The wettest March brought 13.77 in (1983).
The March mean against the 1991-2020 normal of 53.7°F: 2021 51.6°F (−2.1), 2022 56.6°F (+2.9), 2023 49.3°F (−4.4), 2024 53.5°F (−0.2), 2025 53.5°F (−0.2), 2026 62.7°F (+9.0). 2 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 51.6°F | −2.1°F | 1.73 in |
| 2022 | 56.6°F | +2.9°F | 0.66 in |
| 2023 | 49.3°F | −4.4°F | 7.60 in |
| 2024 | 53.5°F | −0.2°F | 4.08 in |
| 2025 | 53.5°F | −0.2°F | 2.14 in |
| 2026 | 62.7°F | +9.0°F | 0.09 in |
Source: records: ACIS, station USC00048351; recent months: ACIS, station USC00048351. Records and recent months use complete months only.
How does March in Sonoma 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; Sonoma's is 65°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.