Cathlamet, WA Weather
Cathlamet, WA climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 30's.
The warmest month of the year is August with an average maximum temperature of 74.50 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 31.30 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 23 degrees Fahrenheit, and fairly limited during winter with an average difference of 15 degrees Fahrenheit.
The annual average precipitation at Cathlamet is 79.81 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is December with an average rainfall of 12.79 Inches.
Weather Data
Current Conditions
|
Fair, 46°F | Humidity: 93% | Dewpoint: 45°F |
| Wind Speed: CALM | Heat Index: 46°F | ||
| Barometer: 30.26 in. | Wind Chill: 46°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Gibbous Moon | Civil Twilight: 6:52 AM PST |
Sunrise: 7:26 AM PST |
| Sunset: 4:33 PM PST |
Civil Twilight: 5:06 PM PST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 44.8 | 49.5 | 54.3 | 58.7 | 64.0 | 68.2 | 73.5 | 74.5 | 71.4 | 61.6 | 50.3 | 44.6 | 59.6 |
| Mean °F | 38.1 | 41.2 | 44.9 | 48.3 | 53.5 | 57.8 | 62.1 | 62.6 | 58.7 | 50.5 | 42.6 | 38.1 | 49.9 |
| Min °F | 31.3 | 32.9 | 35.4 | 37.9 | 42.9 | 47.4 | 50.7 | 50.7 | 46.0 | 39.4 | 34.9 | 31.5 | 40.1 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 11.36 | 9.40 | 8.04 | 5.98 | 3.92 | 3.14 | 1.43 | 1.64 | 3.61 | 6.46 | 12.04 | 12.79 | 79.81 |
