Last updated: March 2, 2024
The weather in Happy Valley, United States, during May is characterized by an average temperature of 7°C (45°F). Highs can soar to 14°C (57°F), while lows may dip to 2°C (37°F). Typically, the humidity level in Happy Valley throughout May hovers around 87%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Happy Valley averages 96 mm (3.8 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 17 hours 13 minutes of daylight, with the sun shining for approximately 8 hours 26 minutes each day. Additionally, there is a 34% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Happy Valley reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, during which unprotected skin may burn in as little as 25 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 | 3 | 4 | 5 | 5 | 6 | 5 | 5 | 4 | 3 | 2 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||