Climate Insights for Bellevue

The climate in Bellevue is hot. The average annual temperature is 27°C and approximately 1,563 mm of precipitation falls per year. Bellevue receives a notable amount of rainfall throughout the year, including during its driest month. Bellevue is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, March, when temperatures can drop to 23°C.The climate in Bellevue is hot. The average annual temperature is 80°F and approximately 61.5 in of precipitation falls per year. Bellevue receives a notable amount of rainfall throughout the year, including during its driest month. Bellevue is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, March, when temperatures can drop to 74°F.

Bellevue has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is August, when average highs reach 31°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 23°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.Bellevue has relatively stable temperatures year-round, staying within a 14°F range. The warmest month is August, when average highs reach 88°F and the mean temperature sits around 83°F. February is the coolest month, with minimum temperatures around 74°F and an average of 77°F. Daily temperature variation is modest, with an average difference of 8°F between highs and lows.

Bellevue is a fairly wet location, receiving approximately 1,563 mm of precipitation annually, which averages out to around 130 mm per month. The wettest month is October, averaging 220 mm of rainfall. May and September also tend to see above-average precipitation. The driest month is February, with just 46 mm. That's 174 mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.Bellevue is a fairly wet location, receiving approximately 61.5 in of precipitation annually, which averages out to around 5.1 in per month. The wettest month is October, averaging 8.7 in of rainfall. May and September also tend to see above-average precipitation. The driest month is February, with just 1.8 in. That's 6.9 in less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Bellevue is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 14km/h in winter, 10km/h in spring, 11km/h in summer, 10km/h in autumn.Bellevue is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is December, averaging 9mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4mph gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 8mph in winter, 6mph in spring, 7mph in summer, 6mph in autumn.

The table below shows monthly climate averages for Bellevue based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Bellevue based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.