Humid cities · Virginia
How humid is Richmond in summer?
Across June, July and August, the dew point in Richmond averages about 66.2°F, which is muggy on the usual dew point scale.
July is the muggiest month, with the dew point averaging about 67.9°F. On NOAA’s hour by hour normals, about 1,739 hours, about 20% of the year, average a dew point of 65°F or more. That makes it the joint 29th most humid summer of the 124 US cities we track.
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The highest dew point in the forecast for the next 48 hours is about 36°F, which is dry.
Richmond averages a summer dew point of about 66°F, and July lifts it to about 68. History here is heavy, and so is the air.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Summer humidity at a glance
| Dew point, June to August | 66.2°F |
|---|---|
| Muggiest month | July, 67.9°F |
| Hours a year at a 65°F dew point or more | 1,739 (20%) |
| How summer feels | muggy |
The dew point is the temperature the air would have to cool to for dew to form, so the higher it is, the more water the air holds. Forecasters usually call under 55°F comfortable, 55 to 65°F sticky and 65°F or more muggy; 70°F or more feels tropical.
Cities with about the same summer air
- Knoxville, Tennessee: about 66.2°F
- Charlotte, North Carolina: about 66.4°F
- Nashville, Tennessee: about 66.4°F
More about the weather here
Source: NOAA U.S. Climate Normals, hourly, 1991 to 2020, station USW00013740. Average dew points, not the stickiest days.