Last updated: June 24, 2025
In April, the average temperature in Oregon, United States hovers around 9°C (48°F), with extremes ranging from a chilly -8°C (17°F) to a balmy 28°C (82°F). Expect 109 mm (4.3 in) of precipitation spread over 11 days, coupled with an average humidity of 85%, creating a damp yet inviting atmosphere.
In April in Oregon, the average temperature is 9°C (48°F). The maximum can reach 28°C (82°F), while the minimum can drop as low as -8°C (17°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!
In Oregon in April, the precipitation amount is 109 mm (4.3 in), occurring over a span of 11 days.
In Oregon in April humidity is 85%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay warm and comfortable while traveling.
In Oregon in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Oregon.
UV Risk Categories
Weather in Oregon varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Oregon, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 60 mm (2.4 inches) | 82% | moderate |
| February Weather | -4°C (26°F) | 56 mm (2.2 inches) | 83% | moderate |
| March Weather | 4°C (39°F) | 79 mm (3.1 inches) | 84% | high |
| April Weather | 9°C (48°F) | 109 mm (4.3 inches) | 85% | very high |
| May Weather | 16°C (61°F) | 156 mm (6.2 inches) | 79% | very high |
| June Weather | 22°C (72°F) | 121 mm (4.8 inches) | 82% | very high |
| July Weather | 24°C (76°F) | 78 mm (3.1 inches) | 80% | very high |
| August Weather | 23°C (73°F) | 77 mm (3.0 inches) | 81% | very high |
| September Weather | 20°C (67°F) | 120 mm (4.7 inches) | 80% | very high |
| October Weather | 12°C (54°F) | 116 mm (4.6 inches) | 82% | high |
| November Weather | 3°C (38°F) | 49 mm (1.9 inches) | 88% | moderate |
| December Weather | 0°C (32°F) | 51 mm (2.0 inches) | 84% | low |