Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Green Bluff features a warm-summer Mediterranean climate (Csb).Temperatures typically range between -1 °C (30 °F) and 23 °C (74 °F) through the year, but rarely can drop to -22 °C (-7 °F) or can rise to as high as 44 °C (111 °F).The average annual precipitation amounts to about 640 mm (25.2 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually.Green Bluff enjoys an average of 2926 hours of sunshine throughout the year, and daylight varies from 8 hours 28 minutes to 15 hours 54 minutes per day.
The warmest months in Green Bluff are June, July and August, with daily mean temperatures ranging from 19 to 23 °C (66 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 0 °C (30 - 32 °F) throughout the day. On average each year, Green Bluff experiences 69 days above 25 °C (77.0 °F) and 108 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 10°C (51°F) | 15°C (59°F) | 19°C (67°F) | 28°C (82°F) | 31°C (89°F) | 44°C (111°F) | 42°C (107°F) | 40°C (104°F) | 35°C (95°F) | 27°C (81°F) | 16°C (60°F) | 16°C (61°F) |
Mean maximum | 8°C (47°F) | 10°C (51°F) | 16°C (61°F) | 22°C (72°F) | 28°C (83°F) | 32°C (90°F) | 37°C (100°F) | 39°C (102°F) | 32°C (90°F) | 22°C (71°F) | 14°C (58°F) | 10°C (50°F) |
Average high | 2°C (35°F) | 3°C (37°F) | 9°C (48°F) | 13°C (56°F) | 20°C (68°F) | 24°C (76°F) | 30°C (87°F) | 30°C (86°F) | 23°C (73°F) | 14°C (57°F) | 6°C (44°F) | 2°C (36°F) |
Daily mean | -1°C (30°F) | -1°C (30°F) | 4°C (39°F) | 8°C (47°F) | 14°C (57°F) | 19°C (66°F) | 23°C (74°F) | 23°C (73°F) | 16°C (62°F) | 8°C (47°F) | 3°C (38°F) | -0°C (32°F) |
Average low | -4°C (26°F) | -5°C (24°F) | -1°C (31°F) | 3°C (37°F) | 8°C (47°F) | 12°C (54°F) | 15°C (59°F) | 15°C (59°F) | 10°C (51°F) | 3°C (38°F) | 0°C (32°F) | -3°C (27°F) |
Mean minimum | -15°C (5°F) | -15°C (6°F) | -9°C (16°F) | -3°C (27°F) | 2°C (35°F) | 7°C (44°F) | 10°C (51°F) | 9°C (49°F) | 4°C (40°F) | -4°C (25°F) | -7°C (20°F) | -12°C (11°F) |
Minimum | -22°C (-7°F) | -20°C (-5°F) | -16°C (3°F) | -5°C (23°F) | -0°C (32°F) | 6°C (43°F) | 9°C (48°F) | 8°C (47°F) | 2°C (35°F) | -10°C (14°F) | -10°C (15°F) | -20°C (-5°F) |
Compare temperature, precipitation, sunshine, UV index in Green Bluff, Washington, United States with other places around the world.
Green Bluff usually has the most precipitation in January, November and December, with an average of 13 rainy days and 84 mm (3.3 inches) of precipitation per month.The driest months in Green Bluff are June, July and August. On average, 13 mm (0.5 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 82 (3.2) | 74 (2.9) | 65 (2.6) | 60 (2.4) | 53 (2.1) | 24 (0.9) | 4 (0.2) | 10 (0.4) | 35 (1.4) | 62 (2.4) | 88 (3.5) | 83 (3.2) |
Average precipitation days (≥ 1 mm) | 13 | 14 | 12 | 12 | 8 | 4 | 1 | 2 | 5 | 9 | 14 | 13 |
The sunniest months in Green Bluff are June, July and August, when the sun shines an average of 12 hours 11 minutes a day.Least sunny months in Green Bluff: January, February and December receive an average of 3 hours 38 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 90 | 139 | 218 | 267 | 333 | 355 | 412 | 353 | 285 | 227 | 141 | 101 |
Mean daily daylight hours | 8h 54m | 10h 15m | 11h 57m | 13h 40m | 15h 9m | 15h 54m | 15h 29m | 14h 9m | 12h 29m | 10h 46m | 9h 15m | 8h 28m |
Green Bluff experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Green Bluff UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 2 | 4 | 5 | 6 | 8 | 9 | 10 | 9 | 7 | 5 | 3 | 2 |