Coulee Dam, WA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Coulee Dam now
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Coulee Dam weather by the hour
Coulee Dam weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Coulee Dam.
This week in Coulee Dam
Sunrise, sunset and moon in Coulee Dam
What is the weather usually like in Coulee Dam?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 90°F average high
- Januarycoldest month · 25°F average low
- 11.1 inprecipitation per year · 281 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Coulee Dam: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station COULEE DAM 1 SW, WA US (USC00451767), adjusted for the elevation of Coulee Dam.
Coulee Dam weather month by month
Sunrise and sunset in Coulee Dam through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:38 AM | 4:32 PM | 8 h 53 min |
| February | 6:59 AM | 5:20 PM | 10 h 20 min |
| March | 7:06 AM | 7:02 PM | 11 h 56 min |
| April | 6:03 AM | 7:47 PM | 13 h 43 min |
| May | 5:14 AM | 8:29 PM | 15 h 14 min |
| June | 4:53 AM | 8:59 PM | 16 h 5 min |
| July | 5:10 AM | 8:53 PM | 15 h 42 min |
| August | 5:49 AM | 8:10 PM | 14 h 21 min |
| September | 6:32 AM | 7:09 PM | 12 h 37 min |
| October | 7:14 AM | 6:09 PM | 10 h 54 min |
| November | 7:00 AM | 4:20 PM | 9 h 19 min |
| December | 7:37 AM | 4:05 PM | 8 h 27 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Coulee Dam?
Coulee Dam has a cold semi-arid climate. The warmest month is July, with an average high of 90°F (32°C), and the coldest is January, with average lows of 25°F (-4°C).
It gets about 11.1 inches (281 mm) of precipitation a year. The wettest month is December and the driest is August.
The best time to visit Coulee Dam is May–June and August–September. At 1,145 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Coulee Dam
Weather in towns near Coulee Dam
Questions about the weather in Coulee Dam
What is the hottest month in Coulee Dam?
July, with an average high of 90°F (32°C).
What is the coldest month in Coulee Dam?
January, with an average low of 25°F (-4°C).
How much does it rain in Coulee Dam?
About 11.1 inches (281 mm) a year; the wettest month is December.
Does it snow in Coulee Dam?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Coulee Dam?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Coulee Dam have?
Cold semi-arid (Köppen BSk).
What is the weather like in Coulee Dam in November?
Highs average 45°F and lows 33°F, with about 1.2 inches of precipitation.
What time is sunrise in Coulee Dam?
Around 7:00 AM in mid-November, and sunset around 4:20 PM. Today’s exact times are shown above.
Where does this Coulee Dam weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Coulee Dam.
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