Climate averages 1991–2020
Merced weather
in October.
A warm, fairly dry month: the 6th warmest and the 6th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in Merced: daytime highs average 26.0°C and nights cool to about 12.7°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 21 mm of rain on roughly 2 days, which makes October a fairly dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 16 min on an average October day.
The nearest other city in this atlas is Turlock (39 km away). In October its highs average 25.8°C, about as warm as Merced, with 21 mm of rain.
Among the 498 cities listed in the United States, Merced ranks joint 102nd of 498 for the warmest October highs and joint 80th of 498 for the driest October (rainfall, lowest first). The mean October high of those 498 cities is 21.4°C; Merced is 4.6°C warmer than that mean.
From October to November, average highs fall by 7.3°C to 18.7°C, and monthly rainfall rises from 21 mm to 37 mm.
The annual picture
October 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 | 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, selected | 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
October in nearby cities
- Turlock in OctoberUnited States · 39 kmHigh 25.8°C · Low 13.2°C · 21 mm rain
- Modesto in OctoberUnited States · 59 kmHigh 25.5°C · Low 12.8°C · 22 mm rain
- Manteca in OctoberUnited States · 85 kmHigh 24.9°C · Low 12.2°C · 20 mm rain
- Clovis in OctoberUnited States · 87 kmHigh 25.9°C · Low 12.5°C · 22 mm rain
- Fresno in OctoberUnited States · 88 kmHigh 26.2°C · Low 13.2°C · 22 mm rain
- Tracy in OctoberUnited States · 96 kmHigh 25.3°C · Low 12.4°C · 21 mm rain
- Stockton in OctoberUnited States · 102 kmHigh 24.9°C · Low 12.3°C · 27 mm rain
- Livermore in OctoberUnited States · 121 kmHigh 23.8°C · Low 12.1°C · 21 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.