Eureka Weather in December
December in Eureka sees daytime temperatures around 12°C (54°F) and lows of 4°C (39°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.
Rainfall in Eureka in December
Expect the heaviest rain of the year this month, often arriving in intense bursts. A poncho is essential for keeping dry. Based on our climate data of the past 30 years, about 18 days of rain are anticipated, with 198 mm (7.8 in) on average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Eureka in December
Temperatures in Eureka in December top out at 12°C (54°F) and drop to 4°C (39°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. This month often claims the chilliest averages of the year.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Eureka. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Eureka's climate page.
Eureka Temperature in December
Min Temperature
4°C (39°F)
Max Temperature
12°C (54°F)
Chance of Rain
60%
Precipitation
198 mm (7.8 in)
Rainy days
18 days
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
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What to Wear in Eureka in December
Pack for changing conditions in Eureka in December. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!What To Do in Eureka in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Eureka's climate page.
See the full Eureka climate overview or explore weather in the United States of America.
