Last updated: March 2, 2024
The weather in Eureka, United States, during May is characterized by an average temperature of 9°C (48°F). Highs can soar to 24°C (75°F), while lows may dip to -3°C (27°F). Typically, the humidity level in Eureka throughout May hovers around 83%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Eureka averages 64 mm (2.5 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 15 hours 18 minutes of daylight, with the sun shining for approximately 10 hours 3 minutes each day. Additionally, there is a 42% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Eureka reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 2 | 4 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||