Cool
Average highs are around 12°C, so pack for cooler days.
December verdict
Eureka, United States in December
Weather score13Poor
Poor for holiday weather
Average highs are around 12°C, so pack for cooler days. Sunshine averages 4h per day, so this is not one of the brighter months. Rainfall averages 206mm, so showers are a real planning factor.
December weather
Monthly averages
Temp
12°C
Rain
206mm
Sun
4h
Sea
11°C
Weather score
13
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 206mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 11°C, so the water can feel cool.
Map
Weather map
Compare Eureka, 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
December206mm average rain
December is one of Eureka'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
December4 hours average sun
December is one of Eureka's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December11°C average sea
December is below Eureka's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJune to November
Sea temperatures are usually near 12°C in this stretch, so swimming comfort is at its strongest.
Weather score
December13 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 September
These months have the strongest weather score in the monthly averages.
Hotels near Eureka, United States
Marriott
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