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The monthly average high temperature ranges from roughly 30 °F (−1 °C) in January to around 80 °F (27 °C) in July. Daily high temperatures reach or exceed 90 °F (32 °C) on only four days per year on average, while cold-season lows of 0 °F (−18 °C) or below are reached on 10 nights per year on average. [ 29 ]
The coldest month is December with an average daily high temperature of 46.9 °F (8.3 °C), although overnight lows usually remain above freezing by a few degrees. Evening temperatures fall to or below freezing 32 nights per year on average, but very rarely below 18 °F (−8 °C).
The heaviest snowfalls in Oregon occur in the Cascade Range.. Snowfall in Oregon is greatest in the Cascade Range. Based on data from ski resorts and a few official weather stations, average annual snowfall in the Cascades can range from 300 to 550 inches (760 to 1,400 cm). [3]
February is the third chilliest, having a mean temperature of 51 degrees, with an average high of 61 degrees and an average low of 40 degrees. February 1904 saw the temperature reach 96 degrees ...
Get the Portland, ME local weather forecast by the hour and the next 10 days. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways ...
While not as scorching as the daily record of 103 set on July 25, temperatures are still above average for this time of year. Average temps for late July to early August, are around 87-88 degrees ...
Hillsboro receives precipitation on 161 days per year, on average. [53] The average yearly precipitation between 1930 and 1998 was 38 in (970 mm). [54] August is the warmest month with an average high temperature of 81 °F (27 °C), while January is the coolest month with an average high of 46 °F (8 °C). [55]
The red line shows direct surface temperature measurements since 1880. [ 2] Global surface temperature (GST) refers to the average temperature of Earth 's surface. It is determined nowadays by measuring the temperatures over the ocean and land, and then calculating a weighted average. The temperature over the ocean is called the sea surface ...