January in washington state

In Washington State, the weather in January is characterized by cold temperatures and frequent precipitation, particularly in the western part of the state. Average temperatures vary across regions due to Washington’s diverse geography. In Western Washington, including cities like Seattle and Olympia, daytime highs typically range from 45°F to 50°F (7°C to 10°C), while nighttime lows often drop to around 35°F to 40°F (1°C to 4°C). The eastern side of the state, in places like Spokane and the Tri-Cities, experiences colder conditions, with daytime highs in the 30°F to 40°F range (1°C to 4°C) and nighttime lows that can dip below freezing, often ranging from 20°F to 30°F (-6°C to -1°C).

Rainfall is substantial in January, especially in Western Washington. Cities like Seattle average about 5.5 inches (140 mm) of rain throughout the month, contributing to the region’s reputation for gray and wet winters. Snowfall is rare in the lowland areas of Western Washington, though occasional snow showers do occur. In contrast, Eastern Washington typically sees more snowfall, with Spokane averaging around 12 inches (305 mm) of snow in January, while the Tri-Cities region remains drier, though colder, with light snow accumulation.

Mountainous regions like the Cascades and Olympic Mountains receive significant snow during January, making it a prime time for skiing and snowboarding. Snowpack in these areas can exceed several feet, providing essential water resources for the state as well as winter recreation opportunities.

Fog is also common in January, especially in low-lying areas and valleys, contributing to reduced visibility during the mornings. Despite the wet and cold conditions, Washington’s winter landscapes, from snow-covered mountains to misty forests, offer a scenic and serene experience for those who enjoy outdoor winter activities.