United States · 1991–2020 normal
Byrnes Mill in
January.
Typical January weather in Byrnes Mill: 4.9°C by day, -5.5°C at night, 59 mm of rain over 5.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high4.9°C
Typical low-5.5°C
Rain59 mm
Wet days5.7
Comfort score 5 this month (September leads the year at 78). Daylight is calculated as 9 h 45 from latitude 38.44°.
Event window
Frost-level nights in January
The measured night-time normal is -5.5°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4379436
- NOAA station
- USW00003966 · ST LOUIS SPIRIT OF ST LOUIS AP
- Station distance
- 25.3 km from the place centre
- Coverage
- Strong coverage · 27 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.