When to go · St. Louis County

St. Louis County in January

Avoid month. Listed as a month to avoid: Jul–Aug (heat and humidity), late Dec–Feb (ice and cold).

Key facts

Verdict: Avoid
Temperature: 4°C (39°F)39°F (4°C) / −6°C (21°F)21°F (−6°C); average high / low
Rain days: 7
Crowds: Low; United States overall
Prices: Low; United States overall

Plan around it

Verdict

AvoidBest and avoid months for St. Louis County

Listed as a month to avoid: Jul–Aug (heat and humidity), late Dec–Feb (ice and cold).

January is rated avoid. These months rate higher:

Long-term averages

St. Louis CountyHighs around 4 °C (39 °F), lows around -6 °C (21 °F), rain on about 7 daysHighs around 39 °F (4 °C), lows around 21 °F (-6 °C), rain on about 7 days

United States overall: Cold and snowy north and in the mountains; Florida, Hawaii and the desert Southwest are the picks.

Weather, crowds and prices for any two months in St. Louis County, side by side.

First month

Second month

January: Listed as a month to avoid: Jul–Aug (heat and humidity), late Dec–Feb (ice and cold).

April: Inside St. Louis County's best window: Apr–May, Sep–Oct.

St. Louis County: figures are long-term averages from this guide, not a forecast.