Climate averages 1991–2020
Tracy weather
in March.
A mild, moderately wet month: the 8th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a mild month in Tracy: daytime highs average 18.6°C and nights cool to about 7.4°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 66 mm of rain on roughly 9 days, which makes March a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 56 min on an average March day.
The nearest other city in this atlas is Manteca (20 km away). In March its highs average 18.3°C, about as warm as Tracy, with 65 mm of rain.
Among the 498 cities listed in the United States, Tracy ranks joint 172nd of 498 for the warmest March highs and joint 197th of 498 for the driest March (rainfall, lowest first). The mean March high of those 498 cities is 14.9°C; Tracy is 3.7°C warmer than that mean.
From March to April, average highs rise by 3.1°C to 21.7°C, and monthly rainfall falls from 66 mm to 34 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Tracy climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.2°C5.0°C | 5.0°C | 85 | 9.1 | 9.910 h |
| February | 16.0°C6.0°C | 6.0°C | 81 | 8.8 | 10.811 h |
| March, selected | 18.6°C7.4°C | 7.4°C | 66 | 8.9 | 11.912 h |
| April | 21.7°C9.2°C | 9.2°C | 34 | 5.0 | 13.113 h |
| May | 26.4°C12.1°C | 12.1°C | 17 | 3.1 | 14.214 h |
| June | 30.9°C14.8°C | 14.8°C | 3.7 | 0.8 | 14.715 h |
| July | 33.6°C16.6°C | 16.6°C | 0.7 | 0.2 | 14.514 h |
| August | 32.9°C16.3°C | 16.3°C | 1.9 | 0.2 | 13.614 h |
| September | 30.7°C15.2°C | 15.2°C | 1.8 | 0.6 | 12.512 h |
| October | 25.3°C12.4°C | 12.4°C | 21 | 2.7 | 11.311 h |
| November | 18.3°C7.9°C | 7.9°C | 39 | 5.5 | 10.210 h |
| December | 14.0°C5.0°C | 5.0°C | 76 | 8.3 | 9.610 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Manteca in MarchUnited States · 20 kmHigh 18.3°C · Low 7.4°C · 65 mm rain
- Stockton in MarchUnited States · 27 kmHigh 18.3°C · Low 7.5°C · 80 mm rain
- Livermore in MarchUnited States · 31 kmHigh 17.3°C · Low 7.1°C · 67 mm rain
- Modesto in MarchUnited States · 39 kmHigh 18.7°C · Low 7.7°C · 72 mm rain
- Pleasanton in MarchUnited States · 40 kmHigh 17.3°C · Low 7.5°C · 67 mm rain
- Antioch in MarchUnited States · 44 kmHigh 18.0°C · Low 8.1°C · 69 mm rain
- San Ramon in MarchUnited States · 49 kmHigh 17.0°C · Low 7.3°C · 70 mm rain
- Fremont in MarchUnited States · 54 kmHigh 17.1°C · Low 8.4°C · 75 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Tracy) is explained once on the Tracy year overview and on the Sources, method and limits page.