Renton Weather in May

May in Renton typically sees daytime highs of 18°C (64°F) and nighttime lows of 8°C (46°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Renton in May

This month experiences about 14 days of rain according to historical data, averaging 60 mm (2.4 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Renton in May

In May, expect pleasant temperatures in Renton, with highs of 18°C (64°F) and lows of 8°C (46°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Renton in May

With approximately 254 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Wind Speed in Renton in May

In May, 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.

If you prefer dry days with pleasant temperatures, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.