Renton Weather in December

During December, Renton experiences low daytime temperatures of 7°C (45°F) and cooler nights around 2°C (36°F). As part of the winter season, expect quite a bit of rainfall. Around 152 mm (6 in) is typical.

Rainfall in Renton in December

Expect around 20 days of rain based on historical data, with 152 mm (6 in) average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Renton in December

In December, Renton gets low temperatures, with highs of 7°C (45°F). Nights cool to around 2°C (36°F). December marks the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights drop to 2°C (36°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. This is usually the coldest month of the year, so be sure to prepare with plenty of winter gear.

Sunshine in Renton in December

This month is characterized by fewer sunny days, with about 54 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

Wind Speed in Renton in December

In December, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

December in Renton 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.