Climate averages 1991–2020
Merced weather
in March.
A mild, moderately wet month: the 8th warmest and the 9th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
March is a mild month in Merced: daytime highs average 18.9°C and nights cool to about 7.6°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 71 mm of rain on roughly 8 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 Turlock (39 km away). In March its highs average 18.8°C, about as warm as Merced, with 68 mm of rain.
Among the 498 cities listed in the United States, Merced ranks joint 158th of 498 for the warmest March highs and joint 229th of 498 for the driest March (rainfall, lowest first). The mean March high of those 498 cities is 14.9°C; Merced is 4.0°C warmer than that mean.
From March to April, average highs rise by 3.6°C to 22.5°C, and monthly rainfall falls from 71 mm to 32 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
Merced climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.2°C4.3°C | 4.3°C | 90 | 8.1 | 9.910 h |
| February | 16.0°C5.6°C | 5.6°C | 80 | 8.5 | 10.811 h |
| March, selected | 18.9°C7.6°C | 7.6°C | 71 | 7.7 | 11.912 h |
| April | 22.5°C9.9°C | 9.9°C | 32 | 4.7 | 13.113 h |
| May | 27.8°C13.7°C | 13.7°C | 19 | 2.8 | 14.114 h |
| June | 32.9°C17.3°C | 17.3°C | 3.6 | 0.6 | 14.715 h |
| July | 36.2°C20.2°C | 20.2°C | 0.6 | 0.2 | 14.514 h |
| August | 35.3°C19.6°C | 19.6°C | 0.6 | 0.1 | 13.614 h |
| September | 32.2°C17.3°C | 17.3°C | 1.7 | 0.4 | 12.512 h |
| October | 26.0°C12.7°C | 12.7°C | 21 | 2.3 | 11.311 h |
| November | 18.7°C7.6°C | 7.6°C | 37 | 4.8 | 10.210 h |
| December | 13.9°C4.4°C | 4.4°C | 75 | 7.4 | 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
- Turlock in MarchUnited States · 39 kmHigh 18.8°C · Low 7.9°C · 68 mm rain
- Modesto in MarchUnited States · 59 kmHigh 18.7°C · Low 7.7°C · 72 mm rain
- Manteca in MarchUnited States · 85 kmHigh 18.3°C · Low 7.4°C · 65 mm rain
- Clovis in MarchUnited States · 87 kmHigh 19.0°C · Low 7.1°C · 74 mm rain
- Fresno in MarchUnited States · 88 kmHigh 19.4°C · Low 7.8°C · 74 mm rain
- Tracy in MarchUnited States · 96 kmHigh 18.6°C · Low 7.4°C · 66 mm rain
- Stockton in MarchUnited States · 102 kmHigh 18.3°C · Low 7.5°C · 80 mm rain
- Livermore in MarchUnited States · 121 kmHigh 17.3°C · Low 7.1°C · 67 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 Merced) is explained once on the Merced year overview and on the Sources, method and limits page.