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PortlandUSOregon, United States | ||
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Portland
DetailsHeat Seeker Score
Heat Seeker Score is a composite score designed for those who crave hot, sunny weather with minimal rainfall. It prioritizes high temperatures and abundant sunshine.
Use the detailed page for charts, component scores, and weather inputs behind every monthly ranking.
Calculations are based on the last 8 years of historical weather data.
Portland's temperatures range from a minimum of 35.7°F in February to a maximum of 85.2°F in August.
The city experiences discomfort temperatures in winter and summer months.
Comfortable temperatures are mainly in May, June, September and October.
Maximum Temperatures
| Period | Portland |
|---|---|
| Jan | 47.1°F |
| Feb | 46.8°F |
| Mar | 52.7°F |
| Apr | 58.8°F |
| May | 67.6°F |
| Jun | 74.8°F |
| Jul | 84.4°F |
| Aug | 85.1°F |
| Sep | 76.6°F |
| Oct | 63.9°F |
| Nov | 51.8°F |
| Dec | 46.4°F |
| Average | 63.0°F |
Minimum Temperatures
| Period | Portland |
|---|---|
| Jan | 37.8°F |
| Feb | 36.3°F |
| Mar | 39.4°F |
| Apr | 43.2°F |
| May | 48.9°F |
| Jun | 53.4°F |
| Jul | 59.0°F |
| Aug | 61.5°F |
| Sep | 56.8°F |
| Oct | 48.9°F |
| Nov | 41.9°F |
| Dec | 38.3°F |
| Average | 47.1°F |
Portland, Oregon experiences a significant contrast in sun hours throughout the year, with the lowest in winter months (Dec/Jan) and peaking in July
Rainfall is minimal during the summer, particularly in July, and increasing during the winter months
The precipitation is at its peak in December.
Sunny Weather
| Period | Portland |
|---|---|
| Jan | 1.8 hours/day |
| Feb | 1.6 hours/day |
| Mar | 2.2 hours/day |
| Apr | 3.0 hours/day |
| May | 5.6 hours/day |
| Jun | 7.6 hours/day |
| Jul | 10.9 hours/day |
| Aug | 9.6 hours/day |
| Sep | 6.6 hours/day |
| Oct | 4.7 hours/day |
| Nov | 2.1 hours/day |
| Dec | 1.5 hours/day |
| Average | 4.8 hours/day |
Precipitation Levels
| Period | Portland |
|---|---|
| Jan | 0.2in |
| Feb | 0.3in |
| Mar | 0.2in |
| Apr | 0.2in |
| May | 0.1in |
| Jun | 0.1in |
| Jul | 0.0in |
| Aug | 0.0in |
| Sep | 0.1in |
| Oct | 0.1in |
| Nov | 0.3in |
| Dec | 0.3in |
| Average | 0.2in |
Wind Speed
| Period | Portland |
|---|---|
| Jan | 7.8mph |
| Feb | 7.7mph |
| Mar | 7.6mph |
| Apr | 7.6mph |
| May | 7.0mph |
| Jun | 7.7mph |
| Jul | 8.2mph |
| Aug | 7.3mph |
| Sep | 6.6mph |
| Oct | 6.8mph |
| Nov | 7.5mph |
| Dec | 7.9mph |
| Average | 7.5mph |
Humidity
| Period | Portland |
|---|---|
| Jan | 81.7% |
| Feb | 80.8% |
| Mar | 76.9% |
| Apr | 72.0% |
| May | 67.4% |
| Jun | 62.4% |
| Jul | 55.5% |
| Aug | 54.4% |
| Sep | 60.4% |
| Oct | 66.2% |
| Nov | 78.0% |
| Dec | 83.0% |
| Average | 69.9% |
In Portland, Oregon, the earliest sunrise occurs in June at 05:22, while the latest is in January at 07:44, indicating a significant variation in morning light throughout the year.
The latest sunset is also in June at 21:00, contrasting with the earliest sunset in December at 16:29, showcasing a dramatic shift in daytime hours across the seasons.
The shortest day length in December is just 08:45, compared to the longest day of 15:37 in June, highlighting the impact of seasonal changes on daily light exposure in the region.
Sunrise Time
| Period | Portland |
|---|---|
| Jan | 7:45 |
| Feb | 7:12 |
| Mar | 7:00 |
| Apr | 6:24 |
| May | 5:40 |
| Jun | 5:23 |
| Jul | 5:39 |
| Aug | 6:13 |
| Sep | 6:50 |
| Oct | 7:29 |
| Nov | 7:19 |
| Dec | 7:44 |
| Average | 6:42 |
Sunset Time
| Period | Portland |
|---|---|
| Jan | 16:56 |
| Feb | 17:38 |
| Mar | 18:58 |
| Apr | 19:58 |
| May | 20:35 |
| Jun | 21:01 |
| Jul | 20:54 |
| Aug | 20:15 |
| Sep | 19:20 |
| Oct | 18:23 |
| Nov | 16:49 |
| Dec | 16:29 |
| Average | 18:54 |
Useful Day Length
| Period | Portland |
|---|---|
| Jan | 9:11 hours |
| Feb | 10:26 hours |
| Mar | 11:58 hours |
| Apr | 12:58 hours |
| May | 13:35 hours |
| Jun | 14:01 hours |
| Jul | 13:54 hours |
| Aug | 13:15 hours |
| Sep | 12:20 hours |
| Oct | 10:54 hours |
| Nov | 9:30 hours |
| Dec | 8:46 hours |
| Average | 11:42 hours |
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