The climate of Wilsonville
Wilsonville, located in
Oregon, USA, features a Mediterranean climate with warm summers (Köppen climate classification Csb). Skies in Wilsonville can be expected to be partly cloudy, with cloud coverage ranging from 21% in the warmest month to 58% during the winter. The city experiences both rain and snowfall, albeit in differing amounts at various points in the year.
Wilsonville notes a temperature difference from 35.1°F (1.7°C) in the winter months to 81°F (27.2°C) during warm summer times. Relative humidity is kept fairly high, with a yearly fluctuation between 65% and 85%.
Rainfall is a familiar sight throughout the year, with monthly average quantities varying from 0.31" (8mm) in the warm season to 4.49" (114mm) in the winter season. Residents may see a lot of precipitation in a month, with the number of days of rain in a particular month fluctuating between 4.4 days to 20.9 days. As accurately dictated by the Köppen classification, Wilsonville can see snow, though it is restricted mainly to the colder months, with the yearly snowfall days not exceeding 2.1 days.
The best time to visit Wilsonville
Based on the prevailing weather conditions, the ideal time to plan a visit to
Wilsonville is from
June to
August. During these summer months, temperatures can range between 66°F (18.9°C) up to a pleasant 81°F (27.2°C). This period is also relatively dry, with rainfall not surpassing 1.3" (33mm), thereby providing favourable conditions for outdoor activities.
The worst time to visit Wilsonville
The period between
November and
January might not be the best time to explore
Wilsonville. In these months, temperature drops from 50.7°F (10.4°C) to a chilly 35.1°F (1.7°C), coupled with relative humidity peaking at 85%. Also, rainfall is at its highest during this period, with an average of around 4" (102mm) per month. Visitors should be prepared for occasional snowfall, which although sparse (with under 2 days of snowfall), might add an extra chill to the weather.
Spring weather in Wilsonville
Spring in
Wilsonville, encompassing the months from
March to
May, witnesses a steady increase in temperature and decrease in rainfall. The monthly average temperatures rise from 51.8°F (11°C) to 58.1°F (14.5°C), to a mellow 66°F (18.9°C). Rainfall ranges between 3.5" (89mm) and 1.73" (44mm), making this a wetter season compared to the summer.
Summer weather in Wilsonville
Summer months are the driest and warmest in
Wilsonville, with the average temperature peaking at 81°F (27.2°C) in
August, while the lowest rainfall is recorded at 0.31" (8mm) from
July to August. This period witnesses the longest daylight hours, with values between 14.9 hours to a generous 15.6 hours, promising ample sunshine for tourists and locals alike.
Autumn weather in Wilsonville
Autumn in
Wilsonville signifies the return of cooler temperature and increased precipitation. From
September to
November, the average temperature drops from 73.2°F (22.9°C) to 50.7°F (10.4°C), while the rainfall nearly doubles from 1.54" (39mm) to 3.27" (83mm). Despite this, autumn remains a season of moderate weather before the onset of winter.
Winter weather in Wilsonville
The winter months mark the coldest and wettest time of the year in
Wilsonville. Temperature lowers from
December to
February, averaging from 44.2°F (6.8°C) to 35.1°F (1.7°C). Rainfall also peaks at 4.49" (114mm) in December. With fewer daylight hours, ranging from 9.5 hours to 8.8 hours, and marginally more snowfall, the winters of Wilsonville invite a unique experience.
Weather in January
January in
Wilsonville,
Oregon, is synonymous with rain and fairly low temperatures. The month is characterized by high humidity levels and frequent precipitation. Among all the climatic factors in this month, weather records indicate that rainfall predominantly rules with 4.21" (107mm) recorded, making it the third-wettest month.
Weather in January » Weather in February
February is typically known for mild temperatures and substantial rainfall. Forecasts highlight a higher influx of sunlight hours compared to
January, albeit short. The month's standout feature is the highest snowfall recorded with an accumulation of 1.26" (32mm).
Weather in February » Weather in March
As spring starts to set in
March, the weather in
Wilsonville Oregon is relatively mild with more sunlight than the previous months. There are more hours of daylight which signals the onset of spring. Although the rainfall in March is slightly higher than the preceding
February, measuring at 3.5" (89mm), the amount of sunshine also increases.
Weather in March »
Weather in April
April's weather in
Wilsonville,
Oregon, is renowned for bringing a boost of warmer temperatures and longer hours of sunshine. The receding rain, more hours of daylight, and a noticeable increase in the sunshine duration mark the transition further into the season of spring.
Weather in April » Weather in May
May ushers in unmistakable signs of impending summer in
Wilsonville,
Oregon, with an abundance of sunlight and less clouds. This point in the year sees a sharp decrease in precipitation and increase in temperatures. A major decrease in rainfall from 2.83" (72mm) in
April to 1.73" (44mm) in May marks the shift in seasons.
Weather in May » Weather in June
June in
Wilsonville,
Oregon, signals the arrival of the warmest season - summer. This is a time with longer daylight hours, minimal rainfall, and the warmth gradually increases. Notably, the numbers of sunshine hours peak in June, reaching 9.6 hours.
Weather in June »
Weather in July
July is the epitome of summer season in
Wilsonville,
Oregon. It’s the warmest month and precipitation is at its lowest. A highly notable figure is the month’s maximum temperature which amplifies up to 79.7°F (26.5°C). This clearly establishes July as the hottest month.
Weather in July » Weather in August
August, being the heart of summer, sustains high temperatures similar to
July but with an incremental decrease. Despite being a torrid month, the scenery of
Wilsonville thrives under bountiful sunshine. Even though there is no notable flip in the weather pattern, August records the highest wind gust speed of 5.8mph (9.3km/h).
Weather in August » Weather in September
September marks the transition from summer back to fall in
Wilsonville,
Oregon. Additional hours of sunlight linger, providing ample opportunity for sightseeing. There’s a pronounced drop in temperature from
August's peak, with average high temperature falling to 73.2°F (22.9°C).
Weather in September »
Weather in October
October in
Wilsonville,
Oregon observes a rapid cooling as temperatures further drop, forecasting the advent of winter. The weather undergoes a change as longer nights and shorter days become more prominent. True to its Autumnal spirit, rainfall in October elevates to 3.15" (80mm), hinting towards the wetter, colder months ahead.
Weather in October » Weather in November
November sees a steep rise in precipitation, and the mercury level continues to fall in
Wilsonville,
Oregon. The daylight hours further diminish, with an increase in cloud cover, indicative of the progressing winter. A standout is the wind speed in November which rises up to 5.4mph (8.7km/h).
Weather in November » Weather in December
In
December,
Wilsonville,
Oregon’s weather veers towards a wintry trend. Shorter daylight hours, along with cold days and chillier nights define the climate. A significant meteorological highlight of December is the relatively high amount of rainfall, marked at 4.49" (114mm).
Weather in December »