Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Alderwood Manor features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 5 °C (41 °F) and 19 °C (66 °F) through the year, but rarely can drop to -8 °C (19 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1451 mm (57.1 inches) and receives 166 rainy days on the 1 mm (0.04 inches) threshold annually.Alderwood Manor enjoys an average of 2583 hours of sunshine throughout the year, and daylight varies from 8 hours 26 minutes to 15 hours 56 minutes per day.
The warmest months in Alderwood Manor are July, August and September, with daily mean temperatures ranging from 16 to 19 °C (61 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 6 °C (41 - 43 °F) throughout the day. On average each year, Alderwood Manor experiences 18 days above 25 °C (77.0 °F) and 10 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 15°C (59°F) | 13°C (56°F) | 23°C (74°F) | 23°C (74°F) | 26°C (79°F) | 36°C (97°F) | 29°C (84°F) | 34°C (93°F) | 29°C (85°F) | 23°C (74°F) | 16°C (62°F) | 13°C (56°F) |
Mean maximum | 12°C (55°F) | 12°C (53°F) | 16°C (62°F) | 20°C (69°F) | 24°C (75°F) | 27°C (81°F) | 28°C (82°F) | 30°C (87°F) | 27°C (81°F) | 19°C (67°F) | 15°C (60°F) | 12°C (54°F) |
Average high | 8°C (47°F) | 7°C (45°F) | 11°C (51°F) | 13°C (56°F) | 17°C (63°F) | 20°C (68°F) | 23°C (73°F) | 23°C (74°F) | 20°C (68°F) | 14°C (58°F) | 11°C (51°F) | 8°C (46°F) |
Daily mean | 6°C (43°F) | 5°C (41°F) | 7°C (45°F) | 10°C (50°F) | 13°C (56°F) | 16°C (61°F) | 18°C (65°F) | 19°C (66°F) | 16°C (61°F) | 11°C (52°F) | 8°C (47°F) | 6°C (42°F) |
Average low | 4°C (39°F) | 3°C (37°F) | 5°C (41°F) | 7°C (44°F) | 10°C (50°F) | 12°C (55°F) | 14°C (58°F) | 15°C (59°F) | 13°C (55°F) | 8°C (47°F) | 6°C (43°F) | 4°C (39°F) |
Mean minimum | -2°C (28°F) | -3°C (27°F) | 1°C (33°F) | 3°C (37°F) | 6°C (43°F) | 9°C (48°F) | 12°C (54°F) | 11°C (53°F) | 9°C (48°F) | 3°C (38°F) | 1°C (35°F) | -2°C (29°F) |
Minimum | -7°C (20°F) | -8°C (19°F) | -1°C (31°F) | 1°C (35°F) | 5°C (41°F) | 8°C (47°F) | 11°C (52°F) | 10°C (51°F) | 8°C (47°F) | 0°C (33°F) | -0°C (32°F) | -6°C (21°F) |
Compare temperature, precipitation, sunshine, UV index in Alderwood Manor, Washington, United States with other places around the world.
Alderwood Manor usually has the most precipitation in January, November and December, with an average of 17 rainy days and 188 mm (7.4 inches) of precipitation per month.The driest months in Alderwood Manor are June, July and August. On average, 41 mm (1.6 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 178 (7.0) | 177 (7.0) | 128 (5.0) | 117 (4.6) | 77 (3.0) | 73 (2.9) | 27 (1.1) | 24 (0.9) | 99 (3.9) | 163 (6.4) | 188 (7.4) | 199 (7.8) |
Average precipitation days (≥ 1 mm) | 15 | 19 | 17 | 15 | 13 | 11 | 7 | 5 | 12 | 16 | 18 | 18 |
The sunniest months in Alderwood Manor are June, July and August, when the sun shines an average of 10 hours 52 minutes a day.Least sunny months in Alderwood Manor: January, November and December receive an average of 3 hours 7 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 80 | 123 | 199 | 229 | 299 | 310 | 360 | 329 | 254 | 189 | 114 | 92 |
Mean daily daylight hours | 8h 53m | 10h 15m | 11h 57m | 13h 41m | 15h 11m | 15h 56m | 15h 31m | 14h 10m | 12h 30m | 10h 46m | 9h 14m | 8h 26m |
Alderwood Manor experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure.January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Alderwood Manor UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 5 | 2 | 1 |