The weather in January in Saint Louis

It's warm in January in Saint Louis with an average temperature of 29°C. Temperatures this month range from a low of 28°C to a high of 29°C. At night, you can expect temperatures between 24°C and 25°C.

Looking for great weather? January is a good time to be in Saint Louis. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for Saint Louis, Saint Martin. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 30°C in 2022, Saint Louis reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 25°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 16°C to a highest value of 26°C.

Rainfall amount

In January, there is an average of 84 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the East.

Daily weather in January for Saint Louis

Click on any day in January to get detailed info about the usual weather on that day in Saint Louis. Check out the historical temperatures and precipitation over the past 10 years on this day.

January weather comparison

  Saint Louis New York
Average temperature 29°C 5°C
Max. temperature 29°C 11°C
Min. temperature 24°C -5°C
Total precipitation 84 mm 97 mm
Rainy days 11 days 12 days

Start of January

The month of January starts in Saint Louis with hot temps, averaging around 29°C during the day and nights around 25°C.

Mid January

By mid-January, daytime temps stay steady at around 29°C, with nights around 24°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of January

By the end of January, the average daytime temperature in Saint Louis is around 29°C, while nighttime temps are about 25°C. A shower might pop up, but overall, the weather will be dry and sunny.

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Saint Louis for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in January in Saint Louis, Saint Martin. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in January in Saint Louis

Temperature in January in Saint Louis over the years

Precipitation charts

These charts show the average amount of precipitation in January in Saint Louis, Saint Martin. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in January in Saint Louis

Total precipitation in January in Saint Louis over the years

Daily UV index in January in Saint Louis

This chart shows the average daily UV index in January in Saint Louis, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in January in Saint Louis

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Average weather in Saint Louis by month

Click on a month below to see detailed weather info for Saint Louis. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.