United States · 1991–2020 normal
Derby in
July.
Typical July weather in Derby: 28.4°C by day, 19.8°C at night, 84 mm of rain over 7.3 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high28.4°C
Typical low19.8°C
Rain84 mm
Wet days7.3
Comfort score 66 this month (September leads the year at 87). Daylight is calculated as 14 h 53 from latitude 41.32°. Open-water sea temperature is 22.1°C (22 km from the place centre).
Event window
Warm sea in July
The nearest open-water NOAA OISST 1991–2020 cell averages 22.1°C in July. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4832745
- NOAA station
- USW00094702 · IGOR I SIKORSKY MEM AP
- Station distance
- 17.7 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.