Cool
Average highs are around 12°C, so pack for cooler days.
December verdict
Modesto, California, United States in December
Weather score33Poor
Poor for holiday weather
Average highs are around 12°C, so pack for cooler days. Sunshine averages 4.6h per day, so this is not one of the brighter months. Rainfall averages 55mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
12°C
Rain
55mm
Sun
4.6h
Weather score
33
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 55mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.6h per day, so this is not one of the brighter months.
Map
Weather map
Compare Modesto, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December12°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
December55mm average rain
December is wetter than Modesto's yearly average, so flexible plans matter more.
Driest monthsApril to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December4.6 hours average sun
December is one of Modesto's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
December33 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsMay to September
These months have the strongest weather score in the monthly averages.
