Weather in Eugene

Planning your day in the city of Eugene? Check out the latest weather data, forecasts, and useful charts in this section.

The climate in Eugene, Oregon, USA, can be described as temperate marine, with distinct seasons. The city is known for its warm, sunny, and dry summers, as well as mild but rainy winters. Temperature fluctuations throughout the year are quite noticeable, but extreme heat or cold are rare.

The summer months, especially July and August, are the warmest and driest. The average temperature during this time hovers around 21°C, while maximum values can reach 29°C. Rainfall is minimal, making this period ideal for outdoor activities. Winter, on the other hand, brings more precipitation, especially in December and January, when about 7 mm falls and there are up to 20 rainy days per month. Average winter temperatures fluctuate around 5-6°C.

Spring and autumn in Eugene are transitional seasons with moderate temperatures and changeable weather. In spring, the amount of precipitation gradually decreases, and the temperature rises, reaching an average of 13.7°C in May. In autumn, the opposite trend is observed: the temperature drops, and the number of rainy days increases, preparing the city for the winter period. Overall, the weather in Eugene is distinguished by a clearly defined dry summer season and a wet winter one, which is important to consider when planning a trip.

The climate in Eugene is characterized by noticeable seasonal temperature changes throughout the year. The hottest months are traditionally July and August. In August, the average temperature is about 21.4°C, while maximum daytime values can reach 29.4°C. The coldest month is usually February, when the average temperature drops to 5.3°C, and the average minimum temperature is just 1.2°C. December is also a cold month with an average temperature of 5.4°C.

Summer months in Eugene, particularly July and August, are distinguished by warmth and dryness, with minimal rainfall. Daytime temperatures during this period are very comfortable for walks and outdoor recreation, rising on average to 29°C. A characteristic feature of summer is significant diurnal temperature fluctuations: after a hot day, evenings and nights bring pleasant coolness, as the temperature can drop to 13-14°C. The difference between day and night temperatures can reach 16°C.

Winter in Eugene is generally mild, but cool and quite damp. Average daytime temperatures in December, January, and February range from +8.8°C to +9.8°C, while night temperatures often drop close to the freezing mark, averaging from +1.2°C to +2.7°C. Severe frosts are not typical for this region, although nights can be quite crisp. Temperature differences between day and night in winter are less pronounced than in summer but are still felt, amounting to about 7-8°C.

In the city of Eugene, there is a clearly defined seasonality in precipitation distribution. The bulk of it falls during the period from late autumn to early spring, while the summer months are distinguished by significant dryness.

The wettest months are January and December, when an average of 7 mm of precipitation falls, and the number of days with precipitation reaches 20 and 18 respectively. November (6 mm of precipitation, 16 wet days) and February (5 mm of precipitation, 16 wet days) are also characterized by frequent precipitation. During the winter period, especially from December to February, when average minimum temperatures range from 1.2°C to 2.7°C, precipitation can fall not only as rain but also sometimes as snow. March and April are also quite damp, with 16-17 days of precipitation, although the total amount gradually decreases.

The summer period, by contrast, is the driest. In July and August, there is practically no rainfall (0 mm), and a rainy day is a great rarity (on average 1-2 days per month). June and September are also characterized by low precipitation levels (about 2 mm) and a small number of wet days (7 and 6 days respectively). The transition to wetter weather begins in October, when the amount of precipitation and the number of rainy days begin to gradually increase, preparing the city for the wet season.

When planning a trip to Eugene, it is important to consider its changeable weather, especially the large number of rainy days from autumn to spring. From November to March, average temperatures range from 5°C to 7°C, and the number of days with precipitation can reach 20 per month. Therefore, during this period, you will definitely need a waterproof jacket or raincoat, an umbrella, and comfortable waterproof shoes. Do not forget warm items: sweaters, fleece jackets, and possibly thermal underwear, especially for January and February, when minimum temperatures drop to 1-2°C. The principle of layering in clothing will be your best friend, allowing you to adapt to temperature changes throughout the day.

In spring (April-May) and autumn (September-October), the weather becomes milder, but rains are still likely. Spring (April-May) is characterized by average temperatures around 10-14°C, and autumn (September-October) around 13-18°C. A light jacket, jumpers, and comfortable walking shoes will be very useful. In summer, especially in July and August, Eugene is warm and sunny, with average temperatures around 21°C and maximums reaching almost 30°C. Rainfall in these months is minimal. For a summer trip, pack light clothing: t-shirts, shorts, sundresses. However, even in summer, evenings can be cool, so a light sweater or cardigan will come in handy. Don't forget sunscreen, a hat, and sunglasses for sun protection. Regardless of the season, comfortable walking shoes are a mandatory element of your luggage, as Eugene is perfect for walking.