Normal weather for Saint Louis in January
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.
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.
Saint Louis in January |
New York | ||
|---|---|---|---|
 Average Temperature |
29°C | 5°C | |
 High Temp |
29°C | 11°C | |
| Low Temp |
28°C | 1°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. You can expect regular precipitation, but there will also be some sunny days in the early part of the month. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
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.
Since it cools down at night, it’s a good idea to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.
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. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
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.
Is January a good time to visit Saint Louis?
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.
Temperature records for Saint Louis in January
Check out the climate of Saint Louis for all months and discover the best travel time
December
Daily Temperature in January in Saint Louis
This chart shows the average daily high and low temperatures in January for Saint Louis, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in January in Saint Louis
The chart below shows the average daily precipitation in January for Saint Louis, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for January, you can expect about 11 days of precipitation in Saint Louis.
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.
Temperature in January in Saint Louis Over the Years
This chart shows the average temperature in January in Saint Louis, measured in degrees Celsius, over the past few years.
Total Precipitation in January in Saint Louis Over the Years
This chart shows the average precipitation in January in Saint Louis, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate 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.
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.
Or check out the climate of Saint Louis for all months at once
