Humid cities · Arizona
How humid is Phoenix in summer?
Phoenix right now
61°FBroken cloud
- Today66°F / 60°FClouds
- Tomorrow75°F / 56°FClear skies
- Monday76°F / 55°FClouds
Vibes: mildly damp socks.
Live from OpenWeatherMap. Alerts from the National Weather Service.
Across June, July and August, the dew point in Phoenix averages about 50°F, which is comfortable on the usual dew point scale.
August is the muggiest month, with the dew point averaging about 57.9°F. On NOAA’s hour by hour normals, no hour of the year averages a dew point of 65°F or more, though a muggy spell can still turn up. That makes it the 20th driest summer air 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 56°F, which is a little sticky.
Phoenix averages a summer dew point of about 50°F, and August takes it to about 57.9. It’s a dry heat, until the monsoon gets involved.
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 | 50°F |
|---|---|
| Muggiest month | August, 57.9°F |
| Hours a year at a 65°F dew point or more | none |
| How summer feels | comfortable |
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
- Tucson, Arizona: about 49.9°F
- El Paso, Texas: about 50.4°F
- Eugene, Oregon: about 51.3°F
More about the weather here
Source: NOAA U.S. Climate Normals, hourly, 1991 to 2020, station USW00023183. Average dew points, not the stickiest days.