⛳ Portland, Oregon is situated in or near the warm temperate moist forest biome.
🌡️ The average temperature is 12 degrees Celsius (53.6 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
🐬 Average monthly temperatures vary by 16.1 °C (29°F). This indicates that the continentality type is oceanic, subtype truly oceanic.
☔ Total annual precipitation averages 921.9 mm (36.3 inches) which is equivalent to 921.9 Litres/m² (22.61 Gallons/ft²).
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In the winter time records indicate temperatures by day reach 8.5°C (47.4°F) on average falling to 1.6°C (34.9°F) overnight.
In spring time temperatures climb reaching 16.2°C (61.2°F) generally in the afternoon with overnight lows of 5.7°C (42.3°F).
During summer average high temperatures are 25.6°C (78°F) and average low temperatures are 13°C (55.4°F).
Come autumn/ fall temperatures decrease achieving average highs of 17.6°C (63.7°F) during the day and lows of 7.5°C (45.5°F) generally shortly after sunrise.
✨ The longest day of the year is 15:30 long on the 22 of June and the shortest day is 8:29 long on the 21 of December.
🌞 On average there are 1953 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.
🐇Were you to burrow down through the centre of the Earth from Portland, Oregon you would pop up nearest to the climate station at Port-Aux-Francais, kerguelen islands, French Southern Lands where you would find a Tundra climate (Boreal rain forest biome).
🌍Portland, Oregon, Usa is at 45°36'N, 122°35'W, 12 m (39 ft). Check the location on the map.
Climate Variable | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Average Max Temperature °C ( °F) | 7 (45) | 11 (51) | 13 (56) | 16 (61) | 20 (67) | 23 (74) | 27 (80) | 27 (80) | 24 (75) | 18 (64) | 11 (53) | 8 (46) | 17 (63) | ||
Average Temperature °C ( °F) | 4 (40) | 6 (44) | 9 (47) | 11 (51) | 14 (57) | 18 (64) | 20 (68) | 20 (69) | 17 (63) | 13 (55) | 8 (46) | 5 (40) | 12 (54) | ||
Average Min Temperature °C ( °F) | 1 (34) | 2 (36) | 4 (39) | 5 (41) | 8 (47) | 12 (53) | 14 (56) | 14 (57) | 11 (52) | 7 (45) | 4 (40) | 2 (35) | 7 (45) | ||
Average Precipitation mm (in) | 136 (5) | 98 (4) | 90 (4) | 61 (2) | 52 (2) | 38 (1) | 16 (1) | 28 (1) | 44 (2) | 68 (3) | 136 (5) | 156 (6) | 922 (36) | ||
Number of Wet Days (probability of rain on a day %) | 18 (58) | 15 (53) | 17 (55) | 12 (40) | 10 (32) | 9 (30) | 3 (10) | 4 (13) | 6 (20) | 12 (39) | 15 (50) | 19 (61) | 140 (38) | ||
Average Sunlight Hours/ Day | 1h 48' | 3h 15' | 4h 00' | 6h 16' | 7h 05' | 6h 44' | 10h 27' | 8h 21' | 7h 08' | 4h 11' | 2h 56' | 1h 48' | 5h 20' | ||
Average Daylight Hours/ Day | 9h 07' | 10h 18' | 11h 50' | 13h 29' | 14h 53' | 15h 37' | 15h 17' | 14h 04' | 12h 29' | 10h 50' | 9h 27' | 8h 45' | 12h 00' | ||
Percentage of Sunny (Cloudy) Daylight Hours | 20 (80) | 32 (68) | 34 (66) | 47 (53) | 48 (52) | 44 (56) | 69 (31) | 60 (40) | 58 (42) | 39 (61) | 32 (68) | 21 (79) | 45 (55) | ||
Sun altitude at solar noon on the 21st day (°). | 24.6 | 34 | 44.8 | 56.5 | 64.7 | 67.8 | 64.7 | 56.3 | 44.9 | 33.4 | 24.3 | 21 | 44.7 |
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