Mercer Island Weather in February

February in Mercer Island brings low temperatures, with highs of 10°C (50°F) and nights dropping to 3°C (37°F). Rainfall is on the higher side this month, averaging around 87 mm (3.4 in), so keep a rain jacket handy.

Rainfall in Mercer Island in February

Looking at the last 30 years, the data shows about 18 days with rain, averaging 87 mm (3.4 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Mercer Island in February

Temperatures in Mercer Island in February top out at 10°C (50°F) and drop to 3°C (37°F) overnight. Winter occurs in February. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Mercer Island in February

The city usually sees around 109 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Mercer Island in February

In February, 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.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Mercer Island.