Climate - Eugene (Oregon)

The climate of Eugene can be defined as oceanic with Mediterranean influences. In fact, winter is mild enough, but not as in the Mediterranean climate, and rainfall is frequent for many months a year, but summer is hot and sunny, albeit with cool nights.
The city is located 80 km (50 mi) away from the Pacific coast, in the southernmost part of the Willamette Valley, the plain between the Oregon coastal chain and the Cascade chain.
In winter, fog can form at night and in the early morning. On the coldest nights of the year, the temperature generally drops to -7/-8 °C (18/19 °F), but sometimes it can also drop below. In 1989 and 1990, it dropped to -15.6 °C (4 °F). Sometimes it can snow, although heavy snowfalls are rare. On average, 12 cm (4.8 in) of snow fall per year.
In summer, there are strong temperature variations between night and day. On the hottest days of the year, the temperature usually reaches 37/38 °C (99/100 °F). In August 1981, it reached 42 °C (108 °F).
The average temperature of the coldest month (December) is of 4.3 °C (40 °F), that of the warmest month (August) is of 19.4 °C (67 °F). Here are the average temperatures.

Precipitation amounts to 1,170 millimeters (46.1 inches) per year: it is therefore quite abundant. It ranges from 15 mm (0.6 in) in the driest months (July, August) to 200 mm (7.9 in) in the wettest (December). Here is the average precipitation.

On average, there are around 2,710 sunshine hours per year. Here are the average sunshine hours per day.

Best Time

The best time in Eugene is from mid-May to late September. The driest and sunniest period is generally from mid-June to early September, but it can sometimes get very hot, especially in July and August. You can therefore go from mid-May to mid-June and in the month of September.

Back to the climate of Oregon.