Climate Grand Coulee - Washington
°C | °F| Jan | Feb | Mar | Apr | May | Jun | |
|---|---|---|---|---|---|---|
| Average high in : | 33 | 40 | 51 | 61 | 70 | 78 |
| Average low in : | 23 | 25 | 31 | 37 | 45 | 51 |
| Av. precipitation in : | 1.06 | 0.94 | 0.91 | 0.87 | 1.14 | 1.06 |
| Days with precipitation: | - | - | - | - | - | - |
| Hours of sunshine: | - | - | - | - | - | - |
| Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|
| Average high in : | 87 | 87 | 76 | 61 | 43 | 32 |
| Average low in : | 58 | 57 | 49 | 39 | 30 | 22 |
| Av. precipitation in : | 0.63 | 0.28 | 0.43 | 0.67 | 1.3 | 1.46 |
| Days with precipitation: | - | - | - | - | - | - |
| Hours of sunshine: | - | - | - | - | - | - |
Climate data for coulee dam 1 sw, Longitude: -118.999, Latitude: 47.9544
Average weather Grand Coulee, WA - 99133 - 1981-2010 normals
Jan: January, Feb: February, Mar: March, Apr: April, May: May, Jun: June, Jul: July, Aug: August, Sep: September, Oct: October, Nov: November, Dec: December
Grand Coulee weather averages
| Annual high temperature: | 59.9°F |
| Annual low temperature: | 38.9°F |
| Average temperature: | 49.4°F |
| Average annual precipitation - rainfall: | 10.75 inch |
| Days per year with precipitation - rainfall: | - |
| Annual hours of sunshine: | - |
| Av. annual snowfall: | - |
Grand Coulee Climate Graph - Washington Climate Chart
Daily normals Grand Coulee - Washington - january
| Day | High (°F) | Low (°F) | Precip. month (inch) | Precip. year (inch) | Snow month (inch) | Snow year (inch) |
|---|---|---|---|---|---|---|
| 1 jan | 31.3 | 21.1 | 0.04 | 0.04 | 0 | 0 |
| 2 jan | 31.4 | 21.2 | 0.08 | 0.08 | 0 | 0 |
| 3 jan | 31.4 | 21.2 | 0.12 | 0.12 | 0 | 0 |
| 4 jan | 31.5 | 21.3 | 0.16 | 0.16 | 0 | 0 |
| 5 jan | 31.6 | 21.4 | 0.2 | 0.2 | 0 | 0 |
| 6 jan | 31.8 | 21.5 | 0.24 | 0.24 | 0 | 0 |
| 7 jan | 31.9 | 21.6 | 0.28 | 0.28 | 0 | 0 |
| 8 jan | 32 | 21.7 | 0.31 | 0.31 | 0 | 0 |
| 9 jan | 32.2 | 21.8 | 0.35 | 0.35 | 0 | 0 |
| 10 jan | 32.3 | 22 | 0.39 | 0.39 | 0 | 0 |
| 11 jan | 32.4 | 22.1 | 0.43 | 0.43 | 0 | 0 |
| 12 jan | 32.6 | 22.2 | 0.47 | 0.47 | 0 | 0 |
| 13 jan | 32.8 | 22.3 | 0.47 | 0.47 | 0 | 0 |
| 14 jan | 32.9 | 22.4 | 0.51 | 0.51 | 0 | 0 |
| 15 jan | 33.1 | 22.6 | 0.55 | 0.55 | 0 | 0 |
| 16 jan | 33.2 | 22.7 | 0.59 | 0.59 | 0 | 0 |
| 17 jan | 33.4 | 22.8 | 0.63 | 0.63 | 0 | 0 |
| 18 jan | 33.6 | 22.9 | 0.67 | 0.67 | 0 | 0 |
| 19 jan | 33.8 | 23 | 0.71 | 0.71 | 0 | 0 |
| 20 jan | 34 | 23.1 | 0.71 | 0.71 | 0 | 0 |
| 21 jan | 34.1 | 23.2 | 0.75 | 0.75 | 0 | 0 |
| 22 jan | 34.3 | 23.3 | 0.79 | 0.79 | 0 | 0 |
| 23 jan | 34.5 | 23.4 | 0.83 | 0.83 | 0 | 0 |
| 24 jan | 34.7 | 23.5 | 0.87 | 0.87 | 0 | 0 |
| 25 jan | 34.9 | 23.6 | 0.87 | 0.87 | 0 | 0 |
| 26 jan | 35.1 | 23.6 | 0.91 | 0.91 | 0 | 0 |
| 27 jan | 35.3 | 23.7 | 0.94 | 0.94 | 0 | 0 |
| 28 jan | 35.5 | 23.8 | 0.98 | 0.98 | 0 | 0 |
| 29 jan | 35.7 | 23.8 | 0.98 | 0.98 | 0 | 0 |
| 30 jan | 35.9 | 23.9 | 1.02 | 1.02 | 0 | 0 |
| 31 jan | 36.1 | 24 | 1.06 | 1.06 | 0 | 0 |
Average weather Grand Coulee, WA - january
| Average high temperature: | 33.4°F |
| Average low temperature: | 22.6°F |
| Average temperature: | 28°F |
| Average Precipitation: | 1.06 inch |
| Average snowfall: | 0 inch |
| Highest av. max temperature: | 36.1°F |
| Lowest av. max temperature: | 31.3°F |
| Highest av. min temperature: | 24°F |
| Lowest av. min temperature: | 21.1°F |
Weather history Grand Coulee september 2019
| Day | High (°F) | Low (°F) | Precip. (inch) | Snow (inch) | Snow depth (inch) |
|---|---|---|---|---|---|
| 1 sep 2019 | 87.1 | 59.0 | 0.00 | 0.00 | 0.00 |
| 2 sep 2019 | 82.9 | 55.0 | 0.00 | 0.00 | 0.00 |
| 3 sep 2019 | 88.0 | 57.0 | 0.00 | 0.00 | 0.00 |
| 4 sep 2019 | 87.1 | 60.1 | 0.00 | 0.00 | 0.00 |
| 5 sep 2019 | 86.0 | 55.0 | 0.00 | 0.00 | 0.00 |
| 6 sep 2019 | 88.0 | 60.1 | 0.08 | 0.00 | 0.00 |
| 7 sep 2019 | 81.0 | 59.0 | 0.00 | 0.00 | 0.00 |
| 8 sep 2019 | 82.0 | 57.9 | 0.16 | 0.00 | 0.00 |
| 9 sep 2019 | 70.0 | 55.9 | 0.06 | 0.00 | 0.00 |
| 10 sep 2019 | 70.0 | 53.1 | 0.15 | 0.00 | 0.00 |
| 11 sep 2019 | 73.0 | 50.0 | 0.00 | 0.00 | 0.00 |
| 12 sep 2019 | 77.0 | 55.0 | 0.00 | 0.00 | 0.00 |
| 13 sep 2019 | 75.9 | 57.0 | 0.01 | 0.00 | 0.00 |
| 14 sep 2019 | 72.0 | 57.9 | 0.00 | 0.00 | 0.00 |
| 15 sep 2019 | 66.9 | 55.9 | 0.02 | 0.00 | 0.00 |
| 16 sep 2019 | 59.0 | 51.1 | 0.06 | 0.00 | 0.00 |
| 17 sep 2019 | 61.0 | 48.0 | 0.43 | 0.00 | 0.00 |
| 18 sep 2019 | 62.1 | 50.0 | 0.56 | 0.00 | 0.00 |
| 19 sep 2019 | 70.0 | 48.9 | 0.00 | 0.00 | 0.00 |
| 20 sep 2019 | 71.1 | 53.1 | 0.00 | 0.00 | 0.00 |
| 21 sep 2019 | 72.0 | 46.9 | 0.00 | 0.00 | 0.00 |
| 22 sep 2019 | 72.0 | 54.0 | 0.00 | 0.00 | 0.00 |
| 23 sep 2019 | 66.9 | 48.9 | 0.05 | 0.00 | 0.00 |
| 24 sep 2019 | 72.0 | 50.0 | 0.00 | 0.00 | 0.00 |
| 25 sep 2019 | 71.1 | 46.9 | 0.00 | 0.00 | 0.00 |
| 26 sep 2019 | 73.9 | 55.0 | 0.00 | 0.00 | 0.00 |
| 27 sep 2019 | 71.1 | 41.0 | 0.00 | 0.00 | 0.00 |
| 28 sep 2019 | 57.9 | 41.0 | 0.07 | 0.00 | 0.00 |
| 29 sep 2019 | 42.1 | 36.0 | 0.05 | 0.00 | 0.00 |
| 30 sep 2019 | 39.9 | 37.9 | 0.01 | 0.00 | 0.00 |
T = Trace
Past weather Grand Coulee - september 2019
| Average high temperature: | 71.6°F (normal: 76°F) |
| Average low temperature: | 51.9°F (normal: 49°F) |
| Average temperature: | 61.75°F (normal: 63°F) |
| Total Precipitation: | 1.71 inch (normal: 0.43 inch) |
| Total snowfall: | 0 inch |
| Highest max temperature: | 88.0°F |
| Lowest max temperature: | 39.9°F |
| Highest min temperature: | 60.1°F |
| Lowest min temperature: | 36.0°F |
Geo Grand Coulee - Washington
| Country: | United States |
| State: | Washington |
| City | Grand Coulee |
| Zip code | 99133 |
| Longitude: | -118.999 |
| Latitude: | 47.9544 |
| Altitude - Elevation: | 1532 feet |
| ICAO: | - |
| IATA: | - |
Date and Time Grand Coulee - Washington
| Local Time: | 11:08 |
| Sunrise: | 07:31 |
| Sunset: | 16:46 |
| Day / Night: | Day |
| Timezone: | PST - Pacific Standard Time |
| Timezone DB | America/Los_Angeles |
Map of Grand Coulee - Washington