Cool
Average highs are around 7°C, so pack for cooler days.
December verdict
Rochester, Washington, United States in December
Weather score6Poor
Poor for holiday weather
Average highs are around 7°C, so pack for cooler days. Sunshine averages 1.8h per day, so this is not one of the brighter months. Rainfall averages 221mm, so showers are a real planning factor.
December weather
Monthly averages
Temp
7°C
Rain
221mm
Sun
1.8h
Weather score
6
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 221mm, so showers are a real planning factor.
Limited sun
Sunshine averages 1.8h per day, so this is not one of the brighter months.
Map
Weather map
Compare Rochester, Washington, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December7°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
December221mm average rain
December is one of Rochester's wettest months, so rain is likely to be a major planning factor.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December1.8 hours average sun
December is one of Rochester'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
December6 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 monthsJune to August
These months have the strongest weather score in the monthly averages.
Hotels in Rochester, Washington, United States
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