Hermiston Weather in December
Hermiston in December sees low temperatures, with highs around 5°C (41°F) and overnight lows of -3°C (27°F). Rainfall is at its peak this month, around 35 mm (1.4 in) on average, so waterproofs are essential.
Rainfall in Hermiston in December
As the month with the most rain, you'll want to have an umbrella with you to manage the frequent showers. On average, there are about 14 days with snow/rain during this month, averaging 35 mm (1.4 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Hermiston in December
Daytime temperatures in Hermiston reach 5°C (41°F) in December, dropping to -3°C (27°F) at night. December is in the winter season. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. At -3°C (27°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. On average, it is the coldest month of the year. So be prepared and make sure to pack winter clothes.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, September and October typically offer the best weather for Hermiston.
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 Hermiston's climate page.
Hermiston Temperature in December
Min Temperature
-3°C (27°F)
Max Temperature
5°C (41°F)
Chance of Rain
47%
Precipitation
35 mm (1.4 in)
Rainy days
14 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
pleasant
tolerable
unpleasant
poor
What to Wear in Hermiston in December
Dress warmly and in layers for your trip to Hermiston in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Light rain is possible, so consider bringing a small umbrella or rain jacket.What To Do in Hermiston 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 Hermiston's climate page.
See the full Hermiston climate overview or explore weather in the United States of America.
