Corvallis, MT weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Corvallis now
Loading the National Weather Service forecast…
Corvallis weather by the hour
Corvallis weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Corvallis.
This week in Corvallis
Sunrise, sunset and moon in Corvallis
What is the weather usually like in Corvallis?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 86°F average high
- Decembercoldest month · 18°F average low
- 11.4 inprecipitation per year · 291 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Corvallis: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station WESTERN AG RSCH CTR, MT US (USC00248783), adjusted for the elevation of Corvallis.
Corvallis weather month by month
Sunrise and sunset in Corvallis through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:13 AM | 5:18 PM | 9 h 5 min |
| February | 7:37 AM | 6:03 PM | 10 h 26 min |
| March | 7:46 AM | 7:43 PM | 11 h 56 min |
| April | 6:47 AM | 8:25 PM | 13 h 38 min |
| May | 6:00 AM | 9:04 PM | 15 h 3 min |
| June | 5:41 AM | 9:32 PM | 15 h 50 min |
| July | 5:57 AM | 9:27 PM | 15 h 29 min |
| August | 6:34 AM | 8:47 PM | 14 h 13 min |
| September | 7:13 AM | 7:49 PM | 12 h 36 min |
| October | 7:52 AM | 6:51 PM | 10 h 58 min |
| November | 7:36 AM | 5:05 PM | 9 h 28 min |
| December | 8:11 AM | 4:52 PM | 8 h 41 min |
Times for the 15th of each month, local time (America/Denver).
What is the weather like in Corvallis?
Corvallis has a cold semi-arid climate. The warmest month is July, with an average high of 86°F (30°C), and the coldest is December, with average lows of 18°F (-8°C).
It gets about 11.4 inches (291 mm) of precipitation a year. The wettest month is June and the driest is February.
The best time to visit Corvallis is June to September. At 3,481 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 Corvallis
Weather in towns near Corvallis
Questions about the weather in Corvallis
What is the hottest month in Corvallis?
July, with an average high of 86°F (30°C).
What is the coldest month in Corvallis?
December, with an average low of 18°F (-8°C).
How much does it rain in Corvallis?
About 11.4 inches (291 mm) a year; the wettest month is June.
Does it snow in Corvallis?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Corvallis?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Corvallis have?
Cold semi-arid (Köppen BSk).
What is the weather like in Corvallis in November?
Highs average 44°F and lows 24°F, with about 0.9 inches of precipitation.
What time is sunrise in Corvallis?
Around 7:36 AM in mid-November, and sunset around 5:05 PM. Today’s exact times are shown above.
Where does this Corvallis weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Corvallis.
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