When is the best time to go to Saint Louis
The chart above shows the best time of year to visit Saint Louis, United States. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Saint Louis
Saint Louis weather by month
Please note our recommendations for when to visit Saint Louis are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 3°C | 46mm | 5.7hrs | 10.8hrs |
The climate in Saint Louis during January can be summarized as cold and reasonably dry.
Based on weather alone, this is probably a time of year to avoid going to Saint Louis for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
January is in the winter in Saint Louis and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing 3°C (38°F), whilst at night -7°C (20°F) is normal.
On average January is the driest month of the year in Saint Louis with around 46mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.7 hours of sunshine per day.
Saint Louis weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 5°C | 55mm | 6.1hrs | 11.7hrs |
February in Saint Louis is generally reasonably dry with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Saint Louis for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
February is in the winter in Saint Louis and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 6°C (43°F), whilst at night -4°C (25°F) is normal.
On average February is the 2nd driest month of the year in Saint Louis with around 55mm 2.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.1 hours of sunshine per day.
Saint Louis weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 11°C | 84mm | 6.9hrs | 12.8hrs |
The weather in March in Saint Louis is characteristically cool and a little damp.
Based on weather alone, this is probably a time of year to avoid going to Saint Louis for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
March is in the spring in Saint Louis and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 2°C (35°F) is normal.
On average March is the 3rd driest month of the year in Saint Louis with around 84mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.9 hours of sunshine per day.
Saint Louis weather in March »
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 95mm | 8hrs | 14.1hrs |
Saint Louis's weather in April is typically mild and a little damp in nature.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Saint Louis.
April is in the spring in Saint Louis and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 8°C (46°F) is normal.
On average April is the 4th driest month of the year in Saint Louis with around 95mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 8 hours of sunshine per day.
Saint Louis weather in April »
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 22°C | 103mm | 9.3hrs | 15.2hrs |
May is a damp month in Saint Louis and the temperature is generally warm.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Saint Louis.
May is in the spring in Saint Louis and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 25°C (76°F), whilst at night 13°C (55°F) is normal.
On average May is the 5th driest month of the year in Saint Louis with around 103mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.3 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 95mm | 10.5hrs | 10.8hrs |
The climate in Saint Louis during June can be summarized as hot and a little damp.
It is perhaps the perfect month to visit Saint Louis, with some inordinately good weather at this time of year.
June is in the summer in Saint Louis and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 30°C (85°F), whilst at night 18°C (65°F) is normal.
On average June is the 6th driest month of the year in Saint Louis with around 95mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.5 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 95mm | 10.8hrs | 11.7hrs |
July in Saint Louis is generally a little damp with the temperature being hot.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Saint Louis.
July is in the summer in Saint Louis and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a warm 32°C (89°F), whilst at night 21°C (69°F) is normal.
On average July is the 6th wettest month of the year in Saint Louis with around 95mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.8 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 75mm | 9.5hrs | 12.8hrs |
The weather in August in Saint Louis is characteristically hot, humid and reasonably dry.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Saint Louis.
August is in the summer in Saint Louis and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 31°C (87°F), whilst at night 19°C (66°F) is normal.
On average August is the 5th wettest month of the year in Saint Louis with around 75mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.5 hours of sunshine per day.
Saint Louis weather in August »
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 78mm | 8.5hrs | 14.1hrs |
Saint Louis's weather in September is typically warm, humid and reasonably dry in nature.
It is perhaps the perfect month to visit Saint Louis, with some inordinately good weather at this time of year.
September is in the fall / autumn in Saint Louis and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 15°C (59°F) is normal.
On average September is the 4th wettest month of the year in Saint Louis with around 78mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.5 hours of sunshine per day.
Saint Louis weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 19°C | 67mm | 7.4hrs | 15.2hrs |
October is a reasonably dry month in Saint Louis and the temperature is generally mild.
It is perhaps the perfect month to visit Saint Louis, with some surprisingly good weather at this time of year.
October is in the fall / autumn in Saint Louis and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 9°C (47°F) is normal.
On average October is the 3rd wettest month of the year in Saint Louis with around 67mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.4 hours of sunshine per day.
Saint Louis weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 11°C | 80mm | 5.2hrs | 10.8hrs |
The weather in November in Saint Louis is characteristically cool and a little damp.
Based on weather alone, this is probably a time of year to avoid going to Saint Louis for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
November is in the fall / autumn in Saint Louis and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 3°C (37°F) is normal.
On average November is the 2nd wettest month of the year in Saint Louis with around 80mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.2 hours of sunshine per day.
Saint Louis weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 5°C | 68mm | 4.7hrs | 11.7hrs |
December in Saint Louis is generally reasonably dry with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Saint Louis for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
December is in the winter in Saint Louis and is typically the warmest month of the year. Daytime maximum temperatures average around a cold 6°C (42°F), whilst at night -3°C (26°F) is normal.
On average December is the wettest month of the year in Saint Louis with around 68mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.7 hours of sunshine per day.
Other monthly averages
Saint Louis weather stats
| Hottest month: | July | 31.4°C 88.5°F |
|---|---|---|
| Driest month: | January | 46mm 1.8ins |
| Sunniest month: | July | 10.8hrs |
| Coldest month: | January | 3.1°C 37.6°F |
| Wettest month: | May | 103mm 4.1ins |
| Warmest sea: | August | 22.6°C 72.7°F |
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