Cool
Average highs are around 19°C, so pack for cooler days.
Weather Guide
Eureka, United States Average Monthly Weather
Weather score33Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 15°C, sunshine averages 6.9h per day, and rainfall totals about 1208mm. Sea temperatures average 12°C across the year.
Annual weather
Annual averages
Temp
15°C
Rain
1208mm
Annual total
Sun
6.9h
Sea
12°C
Weather score
33
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 4mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9.2h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 13°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
July19°C average high
July is one of Eureka's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
July4mm average rain
July is one of Eureka's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July9.2 hours average sun
July is one of Eureka's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July13°C average sea
July sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJune to November
Sea temperatures are usually near 12°C in this stretch, so swimming comfort is at its strongest.
Weather score
July56 weather score
July is one of Eureka's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
Hotels near Eureka, United States
Marriott
Sheraton Redding Hotel at the Sundial BridgeRedding, California, USA
Fairfield Inn & Suites ReddingRedding, California, USA
TownePlace Suites by Marriott ReddingRedding, California, USA
Hill House at Trailborn Mendocino, Outdoor Collection by Marriott Bonvoy™Mendocino, California, USA
Fairfield Inn & Suites MedfordMedford, Oregon, USA
TownePlace Suites by Marriott MedfordMedford, Oregon, USA