The climate of Oregon City
Oregon City, situated in the state of Oregon, USA, enjoys a Mediterranean climate with warm summers, classified as Csb according to the Köppen climate classification. The city experiences a general pattern of moderate to high humidity with significant rainfall throughout the year. However, the wettest period falls between
November to
January, with the least amount occurring during summer months-
July to
August.
Averaging temperatures in Oregon City range from 34.3°F (1.3°C) to 81.1°F (27.3°C) across the year. The warmest months are July and August, with average temperatures soaring up to 80.2°F (26.8°C) and 81.1°F (27.3°C) respectively. On the flip side,
December and January see the lowest temperature with an average of 34.3°F (1.3°C) and 35.2°F (1.8°C) respectively. The sunniest period happens in summer, with maximum sunlight exposure observed in July with approximately 15.3 daylight hours.
Rainfall levels in Oregon City display significant variation across the year, with December experiencing the highest average rainfall of 5.16" (131mm). Conversely, the month of July records the lowest average rainfall of 0.24" (6mm). Snowfall is quite unusual and is primarily observed in the winter months from November to
March, with
February registering the highest snowfall at 1.5" (38mm).
The best time to visit Oregon City
The optimal period to visit
Oregon City is between
May to
August. During this time, the city experiences warm weather combined with lower rain levels and more abundant sunshine, making it a perfect moment for outdoor activities. The average temperature in these months ranges from 58.5°F (14.7°C) in May to 81.1°F (27.3°C) in August. August also registers the lowest cloud cover at 22%, ensuring clear skies and superb visibility.
The worst time to visit Oregon City
The least favorable time to visit the city is during the cooler months from
November to
February. Temperatures during this period can drop to an average low of 34.3°F (1.3°C) in
December. Alongside lower temperatures, the city experiences higher levels of precipitation- up to 5.16" (131mm) in December. Additionally, less sunlight is observed during these months, reducing opportunities for outdoor activities.
Spring weather in Oregon City
Spring in
Oregon City, falling between
March to
May, sees warming temperatures and decreasing rainfall levels. Average temperatures range from 37.8°F (3.2°C) to 66.6°F (19.2°C), with May being the warmest month of the season. Rain levels show a declining trend during this period, from a high of 3.86" (98mm) in March, dropping to 1.81" (46mm) by May.
Summer weather in Oregon City
June to
August marks the summer season in
Oregon City with temperatures hovering from 71.8°F (22.1°C) to 81.1°F (27.3°C). With the lowest rainfall averages between 0.24" (6mm) to 1.18" (30mm) and more than 9 hours of bright sunlight per day on average, these months are optimal for outdoor activities and sightseeing.
Autumn weather in Oregon City
The period of
September to
November sees cooler weather with increasing rainfall. Temperatures average from 50.9°F (10.5°C) to 73.6°F (23.1°C), as the daylight hours start to decline. Rainfall begins to increase from an average of 1.5" (38mm) in September, escalating to 3.7" (94mm) in November, signaling the onset of the wet season.
Winter weather in Oregon City
Winter arrives in
December and lasts till
February in
Oregon City, accompanied by cooler temperatures, ranging from 34.3°F (1.3°C) to 52.2°F (11.2°C). Rainfall peaks at an average of 5.16" (131mm) in December, gradually falling to 3.74" (95mm) in February. Snowfall, although primarily nominal, may occur, particularly in December and
January, averaging to 0.67" (17mm) and 1.5" (38mm) respectively.
Weather in January
The first month of the year begins with mostly cool and humid conditions in
Oregon City, lending to a somewhat gloomy ambiance. Frequent rainfall contributes to the city's atmospheric moisture, rendering a palpable chill in the air.
Weather in January »Weather in February
The weather in
February in
Oregon City displays a discernible continuity from
January, with prevalent cool and damp conditions. A minor rise in temperature hints at the approaching spring. Notably, this month sees a slight pick-up in snowfall with a total accumulation of 1.5" (38mm) over approximately 2.3 days.
Weather in February »Weather in March
The weather during
March brings enhanced freshness and vibrancy to
Oregon City, owing to the onset of spring. Increased sunlight hours gradually thaw the winter frost, while signaling the commencement of the growing season. March is distinguished by its above-par rainfall of 3.86" (98mm) occurring over some 20.3 days, making it one of the wetter months.
Weather in March »
Weather in April
April in
Oregon City heralds the full arrival of the spring season as temperatures climb, and the city begins to shake off the residual winter chill. Prolonged daylight hours color the city vibrantly, inviting residents and tourists alike to venture outdoors.
Weather in April » Weather in May
May exhibits the true spirit of the spring season in
Oregon City as the weather continues to warm. The city in May is characterized by blossoming flora under the increasingly common sunshine. A major shift observed in this month pertains to the considerable decrease of rainfall to 1.81" (46mm) over approximately 13.7 days.
Weather in May » Weather in June
Weather conditions in
Oregon City shift dramatically in
June as summer asserts its dominance. As the days grow longer, the sun shines intensively, making days pleasantly warm. A defining trait of this month is the elongated sunshine duration of nearly 15.6 hours, triggering a notable ascent in temperatures.
Weather in June »
Weather in July
Among all the months,
July exhibits the most prominent summery weather in
Oregon City. The increased daylight enhances outdoor activities, making picnics and park visits all the more delightful. July is characterized by the highest average high temperature recorded in the year at 80.2°F (26.8°C) as well as the scanty rainfall limited to 0.24" (6mm) across 4.3 days.
Weather in July »Weather in August
August continues the peak summer trend set in
July, keeping
Oregon City bathed in warm, sunny weather. Prolonged sunshine and scanty rainfall establish this month as a perfect time for exploring the beauty of the city’s terrain.
Weather in August » Weather in September
The onset of autumn in
September brings with it a gradual coolness to the weather in
Oregon City. The cityscape takes on a palette of warm hues while shorter daylight hours hint towards the forthcoming winter. Worth mentioning is the drastic drop in daytime high temperatures to 73.6°F (23.1°C) which heralds cooler days ahead.
Weather in September »
Weather in October
October's weather reflects a dynamic shift as fall takes firm hold in
Oregon City. The shortening daylight causes temperatures to drop, resulting in cooler days and noticeably colder nights. This month witnesses a steep rise in rainfall with an accumulation of 3.35" (85mm) throughout an average of 15.2 rainy days.
Weather in October » Weather in November
November sees the return of damp and cold conditions with the approach of winter in
Oregon City. The fall’s colorful leaves gradually disappear, revealing skeletal tree silhouettes under the gloomy sky. A notable attribute of November is the significant increase in average relative humidity to 82%, indicating a markedly cold and damp ambiance.
Weather in November » Weather in December
The weather in
Oregon City in
December is characterized by winter's full arrival, marked by shorter days and longer, colder nights. Light snowfall blankets the city, adding to the charm of the holiday season. A unique detail about this month is the return of snowfall, albeit light, accumulating to approximately 0.51" (13mm) over a span of 0.9 days.
Weather in December »