St. Louis UV index in October
Typical ultraviolet levels for St. Louis during October, from the past year of data.
Moderate
St. Louis
Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
5
UV Index
October average
Low
Moderate
High
Very High
Extreme
October UV
5.005
Risk level
Moderate
Yearly peak
10.0513
Peak month
July
St. Louis UV index — monthly trend
Average UV index by month over the past year, with October highlighted.
Visiting St. Louis in October?
In October, St. Louis's typical UV index is about 5.005 — a moderate risk level. Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
Across the year, St. Louis sees the strongest UV in Summer, peaking around 10.0513 in July. Plan sun protection accordingly.
