United States · 1991–2020 normal
Johnston in
July.
Typical July weather in Johnston: 29.4°C by day, 18.7°C at night, 102 mm of rain over 7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high29.4°C
Typical low18.7°C
Rain102 mm
Wet days7
Comfort score 62 this month (September leads the year at 83). Daylight is calculated as 14 h 55 from latitude 41.67°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4862760
- NOAA station
- USC00132209 · DES MOINES WSFO-JOHNSTON
- Station distance
- 7.4 km from the place centre
- Coverage
- Strong coverage · 25 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.