2024 weather hourly portland oregon In Portland, the average high temperature in the summer months (June through September) ranges from 75°F (24°C) to 81°F (27°C), while the average low temperature ranges from 52°F (11°C) to 59°F (15°C). In the winter months (December through March), the average high temperature ranges from 45°F (7°C) to 51°F (11°C), while the average low temperature ranges from 34°F (1°C) to 39°F (4°C). However, temperature fluctuations are common, and it's not unusual for the city to experience warm, summer-like days in the winter and cool, winter-like days in the summer. Precipitation Portland receives a majority of its precipitation during the winter months, with an average of 5.6 inches (14.2 cm) of rainfall in December, the wettest month. The city experiences an average of 3.6 inches (9.1 cm) of rainfall per month from October through April. In contrast, the summer months are quite dry, with an average of only 1.2 inches (3 cm) of rainfall per month from June through September. However, dew points can be quite high in the summer, leading to frequent fog and drizzle, even when there is no measurable rainfall. Humidity Portland's humidity levels vary widely throughout the year. In the winter, the city experiences high humidity levels, with an average relative humidity of 85% in December. In the summer, humidity levels drop significantly, with an average relative humidity of 55% in July. However, the city's proximity to the coast and the Willamette River can lead to higher humidity levels, even on hot summer days.
Wind Portland experiences moderate winds throughout the year, with an average wind speed of 6.9 mph (11.1 km/h). The city's winds are typically strongest in the spring and fall, with an average wind speed of 7.5 mph (12.1 km/h) in March and 7.4 mph (11.9 km/h) in November. The city's location near the confluence of the Willamette and Columbia Rivers can lead to strong winds during certain weather conditions, particularly during the winter months. Solar Radiation Portland experiences an average of 4.4 hours of sunshine per day throughout the year, with the longest days in June and the shortest days in December. The city's solar radiation levels are highest in the summer months, with an average of 6.5 kWh/m2/day in July. In contrast, the city's solar radiation levels are lowest in the winter months, with an average of 1.5 kWh/m2/day in December. Portland, Oregon experiences a temperate maritime climate with cool, wet winters and warm, dry summers. The city's weather can be quite variable, even on an hourly basis, due to its location near the confluence of the Willamette and Columbia Rivers and its proximity to the Coast Range. Here's a detailed look at what you can expect from the hourly weather in Portland, Oregon. Temperature
Humidity Portland's humidity levels vary widely throughout the year. In the winter, the city experiences high humidity levels, with an average relative humidity of 85% in December. In the summer, humidity levels drop significantly, with an average relative humidity of 55% in July. However, the city's proximity to the coast and the Willamette River can lead to higher humidity levels, even on hot summer days. Portland experiences an average of 4.4 hours of sunshine per day throughout the year, with the longest days in June and the shortest days in December. The city's solar radiation levels are highest in the summer months, with an average of 6.5 kWh/m2/day in July. In contrast, the city's solar radiation levels are lowest in the winter months, with an average of 1.5 kWh/m2/day in December. Conclusion Portland, Oregon's weather can be quite variable, even on an hourly basis. The city experiences cool, wet winters and warm, dry summers, with frequent temperature fluctuations and a wide range of precipitation levels. Portland's humidity levels vary widely throughout the year, with high humidity levels in the winter and low humidity levels in the summer. The city experiences moderate winds throughout the year, with the strongest winds in the spring and fall. Portland's solar radiation levels are highest in the summer months and lowest in the winter months. Overall, Portland's hourly weather is a complex and dynamic system that is influenced by a wide range of factors, including its location near the confluence of the Willamette and Columbia Rivers and its proximity to the Coast Range.
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