Sudden Valley, Washington Climate
United States
Pop. 6,441 Elev. 220 m / 722 ft
TZ: America/Los_Angeles (UTC-7) ·
Summers in Sudden Valley are mild, with August highs around 72°F (22°C), while winters are cold with February lows of 28°F (-2°C). Expect around 101 rainy days annually (61.6 in / 1564 mm total), with snow on 20 days and 98 in (2496 mm) of annual accumulation. The city averages 79 sunny days per year and around 40 thunderstorm days. Ocean water temperatures reach 60°F (16°C) in summer.
| Temperature | 72°F (22°C) high | 28°F (-2°C) low |
| Feels like | 25°F (-4°C) low | |
| Rain | 101 days | 61.6 in (1564 mm) /yr |
| Snow | 20 days | 98.3 in (2496 mm) /yr |
| Sky | 79 sunny | 40 stormy |
| Wind | 2.6 mph (1.2 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jun, Jul, Aug, Sep
Sky & Air by Month
Cloud cover (%)
54
Jan 73
Feb 84
Mar 59
Apr 66
May 60
Jun 42
Jul 60
Aug 58
Sep 67
Oct 87
Nov 89
Dec Humidity (%)
83
Jan 83
Feb 82
Mar 70
Apr 74
May 77
Jun 74
Jul 77
Aug 81
Sep 81
Oct 89
Nov 90
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 10 mi Bellingham International Airport (BLI)
Ski resort 32 mi Mt Baker
National park 28 mi Cultus Lake Provincial Park
Mountain peak
(6,067 ft) 15 mi
Hospital 7 mi PeaceHealth St. Joseph Medical Center
Hiking trail 5 mi Railroad Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 41°F 5°C | 31°F -1°C | 2.4 in 60 mm | 11.8 in301 mm | 11 |
| February | 39°F 4°C | 28°F -2°C | 5.0 in 128 mm | 22.6 in575 mm | 5 |
| March | 47°F 9°C | 38°F 3°C | 7.4 in 187 mm | 28.8 in731 mm | 1 |
| April | 54°F 12°C | 40°F 5°C | 4.7 in 120 mm | 6.0 in153 mm | 7 |
| May | 59°F 15°C | 46°F 8°C | 3.5 in 89 mm | 0.5 in11 mm | 6 |
| June | 64°F 18°C | 51°F 10°C | 1.5 in 38 mm | — | 9 |
| July | 71°F 21°C | 55°F 13°C | 0.3 in 7 mm | — | 14 |
| August | 72°F 22°C | 57°F 14°C | 3.3 in 83 mm | — | 8 |
| September | 68°F 20°C | 54°F 12°C | 1.3 in 34 mm | — | 10 |
| October | 55°F 13°C | 44°F 7°C | 7.5 in 191 mm | 1.3 in33 mm | 8 |
| November | 48°F 9°C | 40°F 5°C | 10.3 in 262 mm | 3.3 in85 mm | 0 |
| December | 44°F 6°C | 37°F 3°C | 14.4 in 365 mm | 23.9 in607 mm | 0 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 11 | 0 |
| February | 5 | 4 |
| March | 1 | 5 |
| April | 7 | 5 |
| May | 6 | 1 |
| June | 9 | 1 |
| July | 14 | 0 |
| August | 8 | 1 |
| September | 10 | 0 |
| October | 8 | 7 |
| November | 0 | 5 |
| December | 0 | 11 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 47°F 8°C | 38°F 3°C |
| February | 46°F 8°C | 36°F 2°C |
| March | 47°F 8°C | 37°F 3°C |
| April | 50°F 10°C | 40°F 5°C |
| May | 54°F 12°C | 47°F 8°C |
| June | 59°F 15°C | 56°F 13°C |
| July | 60°F 16°C | 63°F 17°C |
| August | 60°F 16°C | 68°F 20°C |
| September | 59°F 15°C | 66°F 19°C |
| October | 55°F 13°C | 54°F 12°C |
| November | 50°F 10°C | 47°F 8°C |
| December | 49°F 9°C | 43°F 6°C |