Trenholm, OR
Unincorporated community in Columbia County, Oregon
Trenholm is a small unincorporated community in Columbia County, Oregon. It is 6.1 miles NE of Deer Island, the nearest town. Its ZIP code is 97051.
Trenholm at a glance
- State
- Oregon
- County
- Columbia County
- ZIP code
- 97051
- Nearest town
- Deer Island (6.1 mi)
- Time zone
- America/Los Angeles
- Coordinates
- 45.8956, -122.9642
Weather in Trenholm now
Loading the National Weather Service forecast…
Trenholm weather by the hour
Trenholm weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Trenholm.
This week in Trenholm
Sunrise, sunset and moon in Trenholm
What is the weather usually like in Trenholm?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 79°F average high
- Januarycoldest month · 33°F average low
- 46.9 inprecipitation per year · 1,190 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Trenholm: 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 Trenholm.
Trenholm weather month by month
Sunrise and sunset in Trenholm through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:47 AM | 4:55 PM | 9 h 8 min |
| February | 7:11 AM | 5:39 PM | 10 h 27 min |
| March | 7:22 AM | 7:19 PM | 11 h 57 min |
| April | 6:23 AM | 8:00 PM | 13 h 36 min |
| May | 5:37 AM | 8:38 PM | 15 h 1 min |
| June | 5:19 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 | 6:49 AM | 7:24 PM | 12 h 35 min |
| October | 7:27 AM | 6:27 PM | 10 h 59 min |
| November | 7:10 AM | 4:42 PM | 9 h 31 min |
| December | 7:44 AM | 4:29 PM | 8 h 44 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Trenholm?
Trenholm has a warm-summer mediterranean climate. The warmest month is August, with an average high of 79°F (26°C), and the coldest is January, with average lows of 33°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 Trenholm is June to September. 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.
Webcams near Trenholm
The closest live webcam is McNulty: US30 at Millard Rd, 7.2 miles SE of Trenholm.
Webcams: Windy.com. Distances in a straight line from Trenholm.
Do you know Trenholm? Tell us about it
Help other travelers: share what makes Trenholm special. We review every message before publishing it.
Map of Trenholm, OR
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Trenholm Street View
Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.
Open in Google Maps ›Towns near Trenholm
Other communities near Trenholm
Questions about Trenholm
Where is Trenholm, OR?
Trenholm is an unincorporated community in Columbia County, Oregon, 6.1 miles NE of Deer Island.
What county is Trenholm in?
Trenholm is in Columbia County, Oregon.
What is the ZIP code of Trenholm, OR?
The ZIP code for Trenholm is 97051.
What is the nearest town to Trenholm?
Deer Island, 6.1 miles away.
Are there webcams near Trenholm?
Yes. The closest is McNulty: US30 at Millard Rd, 7.2 miles away.
What is the hottest month in Trenholm?
August, with an average high of 79°F (26°C).
What is the coldest month in Trenholm?
January, with an average low of 33°F (1°C).
How much does it rain in Trenholm?
About 46.9 inches (1,190 mm) a year; the wettest month is December.
Does it snow in Trenholm?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Trenholm?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Trenholm have?
Warm-summer mediterranean (Köppen Csb).
Last updated: