Bellevue Weather in May

May in Bellevue brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 8°C (46°F). It's also the wettest month of the year, so an umbrella is a must.

Rainfall in Bellevue in May

Given that this is the rainiest month, it's wise to carry an umbrella to stay dry during unexpected showers. Looking at the last 30 years, the data shows about 16 days with rain, averaging 148 mm (5.8 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Bellevue in May

In May, Bellevue sees pleasant temperatures, with highs of 19°C (66°F). Nights drop to around 8°C (46°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Bellevue in May

The month enjoys around 211 hours of sunshine, creating mostly sunny days with good weather conditions.

Average water temperature in May

At 13°C (55°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

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 Bellevue.