Saint Helens Weather in December
December in Saint Helens brings low temperatures, with highs of 7°C (45°F) and nights dropping to 1°C (34°F). It's the rainiest month of the year, so come prepared with waterproof gear.
Rainfall in Saint Helens in December
Known for its peak rainfall, this month often has intense showers. It's wise to carry a poncho to protect yourself from the rain. Typically, about 22 days will experience rainfall, with an average of 198 mm (7.8 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Saint Helens in December
December in Saint Helens brings low temperatures, with highs of 7°C (45°F) and nights around 1°C (34°F). Winter occurs in December. It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. Typically, it's the chilliest month of the year, making it a great time for cozying up indoors. Do make sure you're prepared by packing the right winter outfits.
Sunshine in Saint Helens in December
The month has fewer sunny days, with around 64 hours of sunshine.December in Saint Helens has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
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 Saint Helens's climate page.
Saint Helens Temperature in December
Min Temperature
1°C (34°F)
Max Temperature
7°C (45°F)
Chance of Rain
73%
Precipitation
198 mm (7.8 in)
Rainy days
22 days
Humidity
83% *
Sunshine
64 hours *
Percentage Sunshine
*
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 →
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What to Wear in Saint Helens in December
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Saint Helens 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 Saint Helens's climate page.
Temperature Rainfall Sunshine Humidity
See the full Saint Helens climate overview or explore weather in the United States of America.
