Missouri (St. Louis)
May
Weather in Missouri for May 2025
Your guide to Missouri weather in May - trends and predictions
In general, the average temperature in Missouri at the beginning of May is 21.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 25.1 °F by the end of May.
Missouri experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 153.6 mm.
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Temperatures
Rain 🌧️
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5
Dry days
26
Rainy days
0
Snow days
24°/14°
Temperatures
19 km/h
Avg max wind
74 %
Avg humidity
Missouri in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2  21° | 3 22° | 4  22° | |||
| 5 19° | 6 20° | 7  26° | 8 24° | 9 24° | 10  23° | 11 23° |
| 12 25° | 13 24° | 14  24° | 15  22° | 16 22° | 17 24° | 18 26° |
| 19 27° | 20 27° | 21 27° | 22 24° | 23 25° | 24 28° | 25 25° |
| 26 26° | 27 24° | 28 24° | 29 24° | 30 27° | 31 26° |
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Temperatures trend during May in Missouri
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 | Sunny | 22° /11° | 1.4 mm | 6 | |
| May 2 | Patchy rain possible | 21° /12° | 6 mm | 5 | |
| May 3 | Patchy rain possible | 22° /12° | 4.9 mm | 6 | |
| May 4 | Moderate or heavy rain shower | 22° /10° | 4.4 mm | 5 | |
| May 5 | Moderate or heavy rain shower | 19° /11° | 19.5 mm | 5 | |
| May 6 | Moderate rain at times | 20° /12° | 3.3 mm | 5 | |
| May 7 | Partly cloudy | 26° /13° | 5.1 mm | 6 | |
| May 8 | Moderate rain at times | 24° /12° | 5.4 mm | 5 | |
| May 9 | Moderate or heavy rain shower | 24° /12° | 4.3 mm | 6 | |
| May 10 | Overcast | 23° /12° | 0.1 mm | 6 | |
| May 11 | Patchy rain possible | 23° /13° | 1.2 mm | 5 | |
| May 12 | Partly cloudy | 25° /14° | 1.5 mm | 6 | |
| May 13 | Partly cloudy | 24° /15° | 4.5 mm | 6 | |
| May 14 | Cloudy | 24° /14° | 5.3 mm | 6 | |
| May 15 | Heavy rain at times | 22° /14° | 5.4 mm | 5 | |
| May 16 | Moderate or heavy rain shower | 22° /13° | 14.1 mm | 5 | |
| May 17 | Moderate or heavy rain shower | 24° /14° | 11.3 mm | 6 | |
| May 18 | Moderate or heavy rain shower | 26° /16° | 11.5 mm | 6 | |
| May 19 | Moderate or heavy rain shower | 27° /16° | 9 mm | 6 | |
| May 20 | Patchy rain possible | 27° /17° | 0.9 mm | 6 | |
| May 21 | Overcast | 27° /15° | 6.9 mm | 7 | |
| May 22 | Cloudy | 24° /14° | 3.9 mm | 6 | |
| May 23 | Partly cloudy | 25° /14° | 0.1 mm | 6 | |
| May 24 | Sunny | 28° /16° | 4.3 mm | 6 | |
| May 25 | Patchy rain possible | 25° /17° | 4.2 mm | 6 | |
| May 26 | Patchy rain possible | 26° /16° | 3 mm | 6 | |
| May 27 | Moderate or heavy rain shower | 24° /14° | 7.8 mm | 6 | |
| May 28 | Moderate rain at times | 24° /12° | 2.5 mm | 6 | |
| May 29 | Partly cloudy | 24° /13° | 0 mm | 6 | |
| May 30 | Sunny | 27° /14° | 0 mm | 7 | |
| May 31 | Partly cloudy | 26° /16° | 2 mm | 6 | |
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Important Notice
Our weather forecast for Missouri in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Missouri forecast closer to your planned date for the most up-to-date weather information.
Missouri in May - FAQ
What are the expected maximum and minimum temperatures in Missouri during May?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Missouri during May?
Significant rainfall exceeding 153.6 mm is expected in Missouri during May, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Missouri during May?
The average wind speed in Missouri during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Missouri
Explore the daily rainfall trends and prepare for Missouris May weather 💧
UV exposure in Missouri during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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