Eureka (MO)
May
Weather in Eureka, Missouri for May 2026
Your guide to Eureka weather in May - trends and predictions
Until now, May 2026 in Eureka is slightly cooler than the historical average by -1.5 °F.
The forecast for the coming days of May 2026 predicts a temperature of 25.8 °F , which is warmer than usual.
In general, the average temperature in Eureka at the beginning of May is 20.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 25.7 °F by the end of May.
Eureka experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 338.3 mm.
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Temperatures
Rain 🌧️
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10
Dry days
21
Rainy days
0
Snow days
23°/14°
Temperatures
17 km/h
Avg max wind
76 %
Avg humidity
Eureka Weather May
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Temperatures trend during May in Eureka
See the weather trend as well as the moving average line
May weather in Eureka day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Thundery outbreaks possible | 22° /12° | 15.5 mm | 7 | |
| May 2 |  Patchy rain possible | 20° /11° | 3.5 mm | 7 | |
| May 3 | Patchy rain possible | 20° /9° | 34.4 mm | 6 | |
| May 4 |  Patchy light rain with thunder | 21° /12° | 9.8 mm | 5 | |
| May 5 | Patchy rain possible | 18° /10° | 6.8 mm | 4 | |
| May 6 | Light rain shower | 20° /10° | 1.7 mm | 4 | |
| May 7 |  Overcast | 22° /11° | 5.9 mm | 7 | |
| May 8 | Patchy light rain with thunder | 23° /11° | 3.6 mm | 7 | |
| May 9 | Patchy rain possible | 23° /11° | 0.8 mm | 7 | |
| May 10 | Patchy rain possible | 20° /9° | 0.1 mm | 5 | |
| May 11 |  Partly cloudy | 24° /10° | 0 mm | 7 | |
| May 12 | Partly cloudy | 25° /12° | 3.7 mm | 7 | |
| May 13 | Light rain shower | 22° /13° | 6.1 mm | 7 | |
| May 14 |  Sunny | 23° /10° | 0 mm | 8.4 | |
| May 15 | Patchy rain possible | 29° /12° | 2.7 mm | 0.3 | |
| May 16 | Sunny | 31° /18° | 0 mm | 6 | |
| May 17 | Sunny | 32° /18° | 0 mm | 6 | |
| May 18 | Patchy rain possible | 27° /18° | 4.6 mm | 5 | |
| May 19 | Patchy rain possible | 23° /16° | 1.6 mm | 4 | |
| May 20 | Patchy rain possible | 18° /15° | 4.5 mm | 4 | |
| May 21 |  Moderate rain | 25° /15° | 15.1 mm | 4 | |
| May 22 | Moderate rain | 16° /13° | 7.2 mm | 3 | |
| May 23 | Sunny | 21° /11° | 0 mm | 5 | |
| May 24 | Sunny | 26° /10° | 0 mm | 5 | |
| May 25 | Partly cloudy | 26° /16° | 0 mm | 6 | |
| May 26 | Patchy rain possible | 32° /20° | 0.4 mm | 6 | |
| May 27 | Partly cloudy | 32° /20° | 0 mm | 6 | |
| May 28 | Sunny | 23° /14° | 0 mm | 6 | |
| May 29 | Partly cloudy | 20° /12° | 10.6 mm | 5 | |
| May 30 | Sunny | 23° /12° | 0 mm | 6 | |
| May 31 |  Light rain | 24° /15° | 11.1 mm | 6 | |
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Important Notice
Our weather forecast for Eureka 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 Eureka forecast closer to your planned date for the most up-to-date weather information.
Change Month
Eureka in May - FAQ
What are the expected maximum and minimum temperatures in Eureka during May?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Eureka during May?
Significant rainfall exceeding 338.3 mm is expected in Eureka during May, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Eureka during May?
The average wind speed in Eureka during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Eureka
Explore the daily rainfall trends and prepare for Eurekas May weather 💧
Typically, Eureka has 21 rainy days in May with a total of 338.3 mm of rainfall.
UV exposure in Eureka during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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