Hamilton, WA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Hamilton now
Loading the National Weather Service forecast…
Hamilton weather by the hour
Hamilton weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Hamilton.
This week in Hamilton
Sunrise, sunset and moon in Hamilton
What is the weather usually like in Hamilton?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 75°F average high
- Decembercoldest month · 34°F average low
- 48.5 inprecipitation per year · 1,233 mm
- 5.7 insnowfall per year · 14 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Hamilton: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station SEDRO-WOOLLEY, WA US (USC00457507), adjusted for the elevation of Hamilton.
Hamilton weather month by month
Sunrise and sunset in Hamilton through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:52 AM | 4:42 PM | 8 h 49 min |
| February | 7:12 AM | 5:31 PM | 10 h 18 min |
| March | 7:18 AM | 7:14 PM | 11 h 56 min |
| April | 6:15 AM | 8:00 PM | 13 h 45 min |
| May | 5:24 AM | 8:43 PM | 15 h 18 min |
| June | 5:03 AM | 9:13 PM | 16 h 10 min |
| July | 5:20 AM | 9:07 PM | 15 h 46 min |
| August | 6:00 AM | 8:24 PM | 14 h 23 min |
| September | 6:43 AM | 7:22 PM | 12 h 38 min |
| October | 7:26 AM | 6:20 PM | 10 h 53 min |
| November | 7:14 AM | 4:30 PM | 9 h 15 min |
| December | 7:51 AM | 4:14 PM | 8 h 23 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Hamilton?
Hamilton has a warm-summer mediterranean climate. The warmest month is August, with an average high of 75°F (24°C), and the coldest is December, with average lows of 34°F (1°C).
It gets about 48.5 inches (1,233 mm) of precipitation a year. The wettest month is November and the driest is July. Snow is common: about 6 inches fall in an average year.
The best time to visit Hamilton is June to September. At 95 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 Hamilton
Weather in towns near Hamilton
Questions about the weather in Hamilton
What is the hottest month in Hamilton?
August, with an average high of 75°F (24°C).
What is the coldest month in Hamilton?
December, with an average low of 34°F (1°C).
How much does it rain in Hamilton?
About 48.5 inches (1,233 mm) a year; the wettest month is November.
Does it snow in Hamilton?
Yes, about 6 inches of snow fall in an average year.
When is the best time to visit Hamilton?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Hamilton have?
Warm-summer mediterranean (Köppen Csb).
What is the weather like in Hamilton in November?
Highs average 50°F and lows 38°F, with about 7.0 inches of precipitation.
What time is sunrise in Hamilton?
Around 7:14 AM in mid-November, and sunset around 4:30 PM. Today’s exact times are shown above.
Where does this Hamilton weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Hamilton.
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