Eureka (CA)
May
Weather in Eureka, California for May 2026
Your guide to Eureka weather in May - trends and predictions
In general, the average temperature in Eureka at the beginning of May is 11.9 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 13.1 °F by the end of May.
With an average of 3 rainy days, Eureka experiences minimal rainfall in May.
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Temperatures
Rain 🌧️
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28
Dry days
3
Rainy days
0
Snow days
13°/7°
Temperatures
19 km/h
Avg max wind
80 %
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 |  Cloudy | 11° /6° | 0 mm | 3 | |
| May 2 |  Patchy rain possible | 11° /7° | 0.2 mm | 3 | |
| May 3 | Patchy rain possible | 12° /9° | 3.5 mm | 3 | |
| May 4 | Light rain shower | 12° /6° | 23.1 mm | 4 | |
| May 5 | Patchy rain possible | 13° /5° | 0.2 mm | 4 | |
| May 6 | Light rain shower | 13° /7° | 0.8 mm | 4 | |
| May 7 | Patchy rain possible | 11° /6° | 0 mm | 3 | |
| May 8 |  Sunny | 12° /6° | 0 mm | 4 | |
| May 9 | Sunny | 13° /8° | 0 mm | 4 | |
| May 10 | Sunny | 16° /10° | 0 mm | 4 | |
| May 11 | Patchy rain possible | 15° /8° | 0.7 mm | 4 | |
| May 12 | Patchy rain possible | 13° /9° | 3.2 mm | 4 | |
| May 13 | Patchy rain possible | 12° /8° | 0 mm | 3 | |
| May 14 | Patchy rain possible | 13° /8° | 0 mm | 3 | |
| May 15 | Patchy rain possible | 13° /9° | 0 mm | 4 | |
| May 16 | Patchy rain possible | 13° /8° | 0 mm | 3 | |
| May 17 | Patchy rain possible | 12° /8° | 2.1 mm | 3 | |
| May 18 | Sunny | 12° /8° | 0 mm | 4 | |
| May 19 | Sunny | 12° /7° | 0 mm | 4 | |
| May 20 |  Overcast | 12° /7° | 0 mm | 3 | |
| May 21 | Cloudy | 13° /7° | 0 mm | 3 | |
| May 22 | Patchy rain possible | 11° /8° | 0.2 mm | 3 | |
| May 23 |  Partly cloudy | 11° /7° | 0 mm | 4 | |
| May 24 | Overcast | 11° /7° | 0.2 mm | 3 | |
| May 25 | Patchy rain possible | 11° /7° | 0 mm | 3 | |
| May 26 | Sunny | 13° /8° | 0 mm | 4 | |
| May 27 | Patchy rain possible | 14° /8° | 0 mm | 4 | |
| May 28 | Patchy rain possible | 13° /9° | 0.1 mm | 3 | |
| May 29 |  Mist | 13° /8° | 0 mm | 3 | |
| May 30 | Partly cloudy | 14° /8° | 0 mm | 4 | |
| May 31 | Patchy rain possible | 14° /9° | 0 mm | 3 | |
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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?
During May, expect a variety of temperatures with highs around 13° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Eureka during May?
Moderate rainfall is anticipated in Eureka during May, with a total of 57.6 mm spread over approximately 3 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Eureka during May?
The average wind speed in Eureka during May is 19 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 💧
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