United States · 1991–2020 normal
Rock Valley in
May.
Typical May weather in Rock Valley: 23.2°C by day, 9.1°C at night, 105 mm of rain over 10.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high23.2°C
Typical low9.1°C
Rain105 mm
Wet days10.1
Comfort score 70 this month (September leads the year at 78). Daylight is calculated as 14 h 39 from latitude 43.21°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4873371
- NOAA station
- USC00137700 · SIOUX CTR 2 SE
- Station distance
- 20.2 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.