Coupeville, Washington Climate
United States
Pop. 1,887 Elev. 23 m / 75 ft
TZ: America/Los_Angeles (UTC-7) ·
Temperatures in Coupeville stay moderate year-round, from 40°F (4°C) in February to 64°F (18°C) in August. Expect around 79 rainy days annually (45.4 in / 1153 mm total), with 3 in (74 mm) of annual snowfall. Overcast skies are common, with only 83 sunny days per year. Ocean water temperatures reach 56°F (14°C) in summer.
| Temperature | 64°F (18°C) high | 40°F (4°C) low |
| Feels like | 36°F (2°C) low | |
| Rain | 79 days | 45.4 in (1153 mm) /yr |
| Snow | 0 days | 2.9 in (74 mm) /yr |
| Sky | 83 sunny | 18 stormy |
| Wind | 4.5 mph (2.0 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jul, Aug, Sep
Sky & Air by Month
Cloud cover (%)
62
Jan 74
Feb 81
Mar 52
Apr 61
May 53
Jun 38
Jul 54
Aug 48
Sep 63
Oct 84
Nov 85
Dec Humidity (%)
80
Jan 76
Feb 82
Mar 78
Apr 79
May 80
Jun 78
Jul 79
Aug 83
Sep 82
Oct 84
Nov 84
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 26 mi Friday Harbor Airport (FRD)
Ski resort 80 mi Mt Seymour
National park 27 mi San Juan Island National Historical Park
Mountain peak
(4,925 ft) 28 mi Little River Peak
Hospital 0 mi WhidbeyHealth Medical Center
Hiking trail 22 mi Sid Knutson Puget Sound to Hood Canal Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 45°F 7°C | 42°F 5°C | 2.2 in 57 mm | — | 6 |
| February | 44°F 7°C | 40°F 4°C | 4.7 in 118 mm | 2.8 in71 mm | 3 |
| March | 49°F 9°C | 45°F 7°C | 6.2 in 157 mm | 0.1 in2 mm | 1 |
| April | 53°F 11°C | 48°F 9°C | 2.7 in 68 mm | — | 10 |
| May | 55°F 13°C | 51°F 10°C | 2.3 in 59 mm | — | 7 |
| June | 59°F 15°C | 55°F 13°C | 1.3 in 34 mm | — | 11 |
| July | 63°F 17°C | 57°F 14°C | 0.4 in 11 mm | — | 16 |
| August | 64°F 18°C | 59°F 15°C | 2.8 in 71 mm | — | 11 |
| September | 62°F 17°C | 57°F 14°C | 1.2 in 30 mm | — | 12 |
| October | 55°F 13°C | 51°F 11°C | 5.1 in 130 mm | — | 6 |
| November | 52°F 11°C | 48°F 9°C | 6.3 in 159 mm | — | 0 |
| December | 49°F 9°C | 45°F 7°C | 10.2 in 258 mm | 0.0 in1 mm | 0 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 6 | 0 |
| February | 3 | 3 |
| March | 1 | 2 |
| April | 10 | 2 |
| May | 7 | 1 |
| June | 11 | 0 |
| July | 16 | 0 |
| August | 11 | 0 |
| September | 12 | 0 |
| October | 6 | 5 |
| November | 0 | 1 |
| December | 0 | 4 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 48°F 9°C | 45°F 7°C |
| February | 47°F 8°C | 43°F 6°C |
| March | 47°F 8°C | 44°F 6°C |
| April | 51°F 10°C | 46°F 8°C |
| May | 53°F 11°C | 51°F 11°C |
| June | 54°F 12°C | 57°F 14°C |
| July | 56°F 13°C | 61°F 16°C |
| August | 56°F 14°C | 63°F 17°C |
| September | 56°F 13°C | 62°F 17°C |
| October | 54°F 12°C | 55°F 13°C |
| November | 51°F 10°C | 50°F 10°C |
| December | 50°F 10°C | 47°F 9°C |