Last updated: March 2, 2024
The weather in Happy Valley, United States, during January is characterized by an average temperature of 5°C (41°F). Highs can soar to 13°C (56°F), while lows may dip to -5°C (23°F). Typically, the humidity level in Happy Valley throughout January hovers around 85%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Happy Valley averages 203 mm (8.0 inches) of rainfall, typically over the course of 17 rainy days. The month enjoys an average of 9 hours 10 minutes of daylight, with the sun shining for approximately 2 hours 51 minutes each day. Additionally, there is a 15% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Happy Valley reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 45 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 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 0 | 0 | 0 |
| Exposure | Low | ||||||||||||
| Time to burn | 45 min | ||||||||||||