Fairfield weather in March: Fairfield, California: normal highs, lows, rain and records for March
Fairfield in March has a normal high of 66°F and a normal low of 45°F, a daily mean of 56°F, rising from 64°F on the 1st to 68°F by the 31st. Measurable precipitation falls on 9 days in a normal March, 3.31 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 7°C, 84 mm of precipitation in March.
- NOAA stationFairfield
- Station IDUSC00042934
- Location38.27°N 122.07°W
- Elevation40 ft (12 m)
- Population122,646
- Jan 57° 40°
- Feb 62° 43°
- Mar 66° 45°
- Apr 71° 48°
- May 78° 52°
- Jun 85° 56°
- Jul 90° 58°
- Aug 89° 58°
- Sep 87° 57°
- Oct 78° 52°
- Nov 66° 45°
- Dec 57° 40°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Fairfield in March?
The normal high is 66°F and the normal low 45°F, for a daily mean of 55.9°F. March is 3.7°F warmer than February and 3.7°F cooler than April. March is the 8th warmest month of the year in Fairfield and the 4th wettest. Across the month the normal high rises 4°F, from 64°F on March 1 to 68°F on March 31. From one year to the next March's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 53°F and 59°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 34%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 64°F | 44°F | 34% | 25% |
| March 8 | 65°F | 45°F | 32% | 23% |
| March 15 | 66°F | 45°F | 30% | 21% |
| March 22 | 67°F | 46°F | 28% | 19% |
| March 31 | 68°F | 46°F | 24% | 16% |
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 | 44°F | 34% | 25% | 11 h 20 min |
| March 2 | 65°F | 44°F | 34% | 25% | 11 h 20 min |
| March 3 | 65°F | 45°F | 34% | 24% | 11 h 20 min |
| March 4 | 65°F | 45°F | 34% | 24% | 11 h 30 min |
| March 5 | 65°F | 45°F | 33% | 24% | 11 h 30 min |
| March 6 | 65°F | 45°F | 33% | 23% | 11 h 30 min |
| March 7 | 65°F | 45°F | 33% | 23% | 11 h 30 min |
| March 8 | 65°F | 45°F | 32% | 23% | 11 h 40 min |
| March 9 | 66°F | 45°F | 32% | 22% | 11 h 40 min |
| March 10 | 66°F | 45°F | 32% | 22% | 11 h 40 min |
| March 11 | 66°F | 45°F | 31% | 22% | 11 h 40 min |
| March 12 | 66°F | 45°F | 31% | 22% | 11 h 50 min |
| March 13 | 66°F | 45°F | 31% | 21% | 11 h 50 min |
| March 14 | 66°F | 45°F | 30% | 21% | 11 h 50 min |
| March 15 | 66°F | 45°F | 30% | 21% | 11 h 50 min |
| March 16 | 66°F | 45°F | 30% | 21% | 12 h |
| March 17 | 67°F | 46°F | 29% | 20% | 12 h |
| March 18 | 67°F | 46°F | 29% | 20% | 12 h |
| March 19 | 67°F | 46°F | 29% | 20% | 12 h |
| March 20 | 67°F | 46°F | 28% | 19% | 12 h 10 min |
| March 21 | 67°F | 46°F | 28% | 19% | 12 h 10 min |
| March 22 | 67°F | 46°F | 28% | 19% | 12 h 10 min |
| March 23 | 67°F | 46°F | 27% | 19% | 12 h 10 min |
| March 24 | 67°F | 46°F | 27% | 18% | 12 h 20 min |
| March 25 | 68°F | 46°F | 27% | 18% | 12 h 20 min |
| March 26 | 68°F | 46°F | 26% | 18% | 12 h 20 min |
| March 27 | 68°F | 46°F | 26% | 17% | 12 h 20 min |
| March 28 | 68°F | 46°F | 25% | 17% | 12 h 30 min |
| March 29 | 68°F | 46°F | 25% | 17% | 12 h 30 min |
| March 30 | 68°F | 46°F | 24% | 16% | 12 h 30 min |
| March 31 | 68°F | 46°F | 24% | 16% | 12 h 30 min |
- Normal high
- 66°FMarch average
- Normal low
- 45°FMarch average
- Precipitation
- 3.31 inmonth total
- Days with precipitation
- 90.01 inch or more
- 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 USC00042934; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Fairfield in March?
On a given March day the chance of 0.01 inch or more is 30% on average, highest around March 1 (34%). In all, 3.31 in falls on 9 days of a normal March, 1 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00042934.
What are the records for March in Fairfield?
The warmest March temperature on this station's record (since 1950) is 90°F, on March 20, 2026; the coldest is 29°F, on March 3, 1966. The wettest March brought 10.89 in (1983).
The March mean against the 1991-2020 normal of 55.9°F: 2021 54.4°F (−1.5), 2022 58.1°F (+2.2), 2023 49.9°F (−6.0), 2024 55.1°F (−0.8), 2025 55.2°F (−0.7), 2026 65.7°F (+9.8). 2 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 54.4°F | −1.5°F | 1.91 in |
| 2022 | 58.1°F | +2.2°F | 0.15 in |
| 2023 | 49.9°F | −6.0°F | 9.97 in |
| 2024 | 55.1°F | −0.8°F | 3.10 in |
| 2025 | 55.2°F | −0.7°F | 1.38 in |
| 2026 | 65.7°F | +9.8°F | 0.00 in |
Source: records: ACIS, station USC00042934; recent months: ACIS, station USC00042934. Records and recent months use complete months only.
How does March in Fairfield 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; Fairfield's is 66°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.