St. Helens, OR weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in St. Helens now
Loading the National Weather Service forecast…
St. Helens weather by the hour
St. Helens weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of St. Helens.
This week in St. Helens
Sunrise, sunset and moon in St. Helens
What is the weather usually like in St. Helens?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 80°F average high
- Januarycoldest month · 34°F average low
- 46.9 inprecipitation per year · 1,190 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit St. Helens: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station SAINT HELENS RFD, OR US (USC00357466), adjusted for the elevation of St. Helens.
St. Helens weather month by month
Sunrise and sunset in St. Helens through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:46 AM | 4:54 PM | 9 h 8 min |
| February | 7:11 AM | 5:39 PM | 10 h 28 min |
| March | 7:21 AM | 7:18 PM | 11 h 57 min |
| April | 6:22 AM | 7:59 PM | 13 h 36 min |
| May | 5:37 AM | 8:38 PM | 15 h 0 min |
| June | 5:18 AM | 9:05 PM | 15 h 46 min |
| July | 5:34 AM | 9:00 PM | 15 h 25 min |
| August | 6:10 AM | 8:21 PM | 14 h 11 min |
| September | 6:48 AM | 7:24 PM | 12 h 35 min |
| October | 7:27 AM | 6:26 PM | 10 h 59 min |
| November | 7:10 AM | 4:41 PM | 9 h 31 min |
| December | 7:44 AM | 4:28 PM | 8 h 44 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in St. Helens?
St. Helens has a warm-summer mediterranean climate. The warmest month is August, with an average high of 80°F (27°C), and the coldest is January, with average lows of 34°F (1°C).
It gets about 46.9 inches (1,190 mm) of precipitation a year. The wettest month is December and the driest is July.
The best time to visit St. Helens is June to September. At 39 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 St. Helens
Weather in towns near St. Helens
Questions about the weather in St. Helens
What is the hottest month in St. Helens?
August, with an average high of 80°F (27°C).
What is the coldest month in St. Helens?
January, with an average low of 34°F (1°C).
How much does it rain in St. Helens?
About 46.9 inches (1,190 mm) a year; the wettest month is December.
Does it snow in St. Helens?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit St. Helens?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does St. Helens have?
Warm-summer mediterranean (Köppen Csb).
What is the weather like in St. Helens in November?
Highs average 50°F and lows 38°F, with about 6.8 inches of precipitation.
What time is sunrise in St. Helens?
Around 7:10 AM in mid-November, and sunset around 4:41 PM. Today’s exact times are shown above.
Where does this St. Helens weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of St. Helens.
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