Last updated: June 24, 2025
In April, the average temperature in Bellevue, United States hovers around 10°C (51°F). Expect a range as low as -8°C (18°F) and as high as 28°C (83°F). With 115 mm (4.5 in) of precipitation over approximately 11 days, you might want to carry an umbrella. The air remains quite humid, with an average humidity of 85%, creating a distinctly muggy atmosphere.
In April in Bellevue, the average temperature is 10°C (51°F). Maximums can reach 28°C (83°F) and minimums can be as low as -8°C (18°F). Visitors should be prepared for a wide range of temperatures and pack accordingly for both warm days and chilly nights.
In Bellevue in April, the total precipitation amount is 115 mm (4.5 in) spread over 11 days.
In Bellevue in April, humidity is 85%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill enveloping you, making travel quite uncomfortable as your clothes cling to your skin and the air feels heavy, often leaving you longing for a dry, warmer environment.
In Bellevue in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Bellevue.
UV Risk Categories
Weather in Bellevue varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Bellevue, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 60 mm (2.4 inches) | 82% | moderate |
| February Weather | -2°C (29°F) | 67 mm (2.6 inches) | 83% | moderate |
| March Weather | 5°C (42°F) | 111 mm (4.4 inches) | 84% | high |
| April Weather | 10°C (51°F) | 115 mm (4.5 inches) | 85% | very high |
| May Weather | 18°C (64°F) | 168 mm (6.6 inches) | 79% | very high |
| June Weather | 23°C (74°F) | 159 mm (6.2 inches) | 82% | extreme |
| July Weather | 25°C (77°F) | 105 mm (4.1 inches) | 80% | very high |
| August Weather | 24°C (75°F) | 73 mm (2.9 inches) | 81% | very high |
| September Weather | 21°C (70°F) | 74 mm (2.9 inches) | 80% | very high |
| October Weather | 13°C (56°F) | 130 mm (5.1 inches) | 82% | high |
| November Weather | 4°C (40°F) | 57 mm (2.3 inches) | 88% | moderate |
| December Weather | 1°C (34°F) | 54 mm (2.1 inches) | 84% | low |