Corvallis

Planning a trip or a stroll through Corvallis? Check out the latest weather information. Below you will find up-to-date data, forecasts, and charts to help you plan your day perfectly.

Located in Oregon, USA, Corvallis enjoys a moderate climate with distinct seasons. The most notable feature of the local weather is the significant contrast between its mild, wet winters and warm, dry summers. This climate is typical of the Pacific Northwest, providing comfortable conditions for visits throughout the year, depending on your preferences.

The summer months, particularly July and August, are the sunniest and driest. During this time, temperatures rise to a comfortable 28°C, and precipitation is almost non-existent. It is an ideal time for outdoor activities and exploring the region's natural beauty. In contrast, winter (from November to February) is characterized by cool and very rainy weather. While temperatures rarely drop below freezing, the number of rainy days per month can reach 20, making waterproof clothing an absolute necessity.

Spring and autumn in Corvallis are transitional seasons with changeable weather. Temperatures gradually rise in the spring and fall in the autumn, and while the number of rainy days decreases compared to winter, it remains significant. These seasons offer a beautiful palette of colors in nature and more moderate temperatures, which may also appeal to travelers who prefer to avoid the summer heat.

The climate in Corvallis can be described as moderate, with clearly defined seasons and comfortable temperatures throughout most of the year. The hottest months are traditionally July and August, when the average temperature stays around +20-21°C, and daily highs can reach +28°C. The coldest period occurs in December, January, and February. During this time, the average temperature hovers around +5-6°C, with nightly lows dropping to +2-3°C, making winters cool but not freezing.

Summer months in Corvallis feature pleasant dry heat. One of the key features of the local climate is the significant difference between day and night temperatures, especially in summer. For example, in July and August, after a warm day with temperatures near +28°C, the night brings a chill with figures around +12-13°C. This creates very comfortable conditions for sleep and relaxation. Autumn arrives gradually: September is still pleasantly warm, while October sees typical fall weather with average values around +12°C.

Winter in the city is mild and wet. Although it is the coldest time of year, severe frosts are rare. Daytime temperatures usually remain above freezing, ranging from +8°C to +11°C. Spring brings a gradual warming. While March is still quite cool, by May the average temperature rises to +13.5°C, and daytime highs reach a comfortable +19°C, preparing the city for the arrival of summer.

The city of Corvallis experiences a clear seasonality in precipitation, typical of a climate with mild, wet winters and warm, dry summers. Most of the annual rainfall occurs from late autumn to early spring, while the summer months are characterized by dry weather.

The wettest period falls between November and March. The peak of the rainy season occurs in December and January—these are the rainiest months of the year in terms of both the amount of precipitation and its frequency. For example, January averages about 20 rainy days, while December has 19. This means that during the winter period, overcast and wet weather is the norm.

In contrast, summer is a pronounced dry season. July and August are the driest months, when precipitation is almost entirely absent and the number of rainy days drops to a minimum (averaging 1-2 days). Spring and autumn are transitional seasons: rainfall gradually decreases from May to June and begins to increase again in September, preparing the city for the arrival of the wet winter.

When packing for a trip to Corvallis, it's worth considering the main feature of the local climate: a pronounced seasonal shift between very wet winters and warm, dry summers. The key to a comfortable trip year-round is layering your clothing. This will allow you to easily adapt to temperature fluctuations throughout the day. Regardless of the season, be sure to bring comfortable walking shoes—preferably waterproof—as the city is great for long walks and precipitation is common, especially during the colder months.

From late autumn to mid-spring (roughly October to May), the weather in Corvallis is cool and rainy. A waterproof jacket with a hood will be your best friend. Don't forget warm items like sweaters, fleece jackets, and long-sleeve shirts. An umbrella will also come in handy. In summer, especially in July and August, you can expect warm and sunny weather. At this time, you'll need T-shirts, shorts, and lightweight trousers. However, evenings can be cool, so a light jacket or sweater will still be useful. Don't forget sunscreen and sunglasses to enjoy the clear days safely.