Last updated: March 2, 2024
The weather in Sammamish, United States, during May is characterized by an average temperature of 13°C (56°F). Highs can soar to 26°C (79°F), while lows may dip to 4°C (39°F). Typically, the humidity level in Sammamish throughout May hovers around 81%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Sammamish averages 94 mm (3.7 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 15 hours 9 minutes of daylight, with the sun shining for approximately 9 hours 32 minutes each day. Additionally, there is a 37% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Sammamish reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 6 | 5 | 3 | 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 | ||||||