Bonneville
Unincorporated community
Historic incubation building at the Bonneville Hatchery
Historic incubation building at the Bonneville Hatchery
Bonneville is located in Oregon
Bonneville
Bonneville
Location within the state of Oregon
Bonneville is located in the United States
Bonneville
Bonneville
Bonneville (the United States)
Coordinates: 45°38′09″N 121°57′07″W / 45.63583°N 121.95194°W / 45.63583; -121.95194
CountryUnited States
StateOregon
CountyMultnomah
Elevation
[1]
52 ft (16 m)
Time zoneUTC-8 (Pacific (PST))
 • Summer (DST)UTC-7 (PDT)
ZIP code
97014
Area codes458 and 541
GNIS feature ID1138422[1]

Bonneville is an unincorporated community in Multnomah County, Oregon, United States, on Interstate 84 and the Columbia River. Bonneville is best known as the site of Bonneville Dam. North Bonneville, Washington is across the river.

For decades before the dam was built, Bonneville was popular as a picnic spot for people living along the Columbia River between Portland and The Dalles, and the railroad company maintained an "eating house" for travelers there.[2] Bonneville railroad station was named for explorer Benjamin Bonneville.[2] The name "Bonneville" did not appear on maps until the late 1880s.[3] Bonneville post office was established in 1900.[2]

Climate

Bonneville has a warm-summer Mediterranean climate (Köppen Csb).

Climate data for Bonneville Dam (1991–2020 normals, extremes 1937–present)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 64
(18)		 68
(20)		 75
(24)		 88
(31)		 98
(37)		 111
(44)		 107
(42)		 107
(42)		 100
(38)		 86
(30)		 71
(22)		 65
(18)		 107
(42)
Mean maximum °F (°C) 56.6
(13.7)		 57.9
(14.4)		 67.5
(19.7)		 77.2
(25.1)		 85.8
(29.9)		 90.8
(32.7)		 96.5
(35.8)		 96.2
(35.7)		 90.8
(32.7)		 77.0
(25.0)		 62.8
(17.1)		 56.7
(13.7)		 100.2
(37.9)
Mean daily maximum °F (°C) 42.7
(5.9)		 47.2
(8.4)		 53.3
(11.8)		 59.4
(15.2)		 66.5
(19.2)		 71.6
(22.0)		 79.0
(26.1)		 79.7
(26.5)		 74.2
(23.4)		 62.4
(16.9)		 50.1
(10.1)		 42.4
(5.8)		 60.7
(15.9)
Daily mean °F (°C) 38.5
(3.6)		 41.3
(5.2)		 45.6
(7.6)		 50.8
(10.4)		 57.0
(13.9)		 61.9
(16.6)		 68.1
(20.1)		 68.6
(20.3)		 63.6
(17.6)		 54.5
(12.5)		 45.0
(7.2)		 38.5
(3.6)		 52.8
(11.6)
Mean daily minimum °F (°C) 34.3
(1.3)		 35.5
(1.9)		 38.0
(3.3)		 42.2
(5.7)		 47.6
(8.7)		 52.3
(11.3)		 57.1
(13.9)		 57.5
(14.2)		 53.1
(11.7)		 46.6
(8.1)		 39.8
(4.3)		 34.7
(1.5)		 44.9
(7.2)
Mean minimum °F (°C) 24.6
(−4.1)		 26.8
(−2.9)		 30.7
(−0.7)		 35.0
(1.7)		 39.2
(4.0)		 45.4
(7.4)		 49.9
(9.9)		 50.5
(10.3)		 45.7
(7.6)		 38.1
(3.4)		 30.7
(−0.7)		 25.5
(−3.6)		 20.3
(−6.5)
Record low °F (°C) 2
(−17)		 7
(−14)		 20
(−7)		 28
(−2)		 31
(−1)		 37
(3)		 43
(6)		 42
(6)		 34
(1)		 29
(−2)		 9
(−13)		 0
(−18)		 0
(−18)
Average precipitation inches (mm) 11.31
(287)		 8.67
(220)		 9.13
(232)		 6.47
(164)		 4.08
(104)		 3.21
(82)		 0.60
(15)		 0.90
(23)		 2.62
(67)		 7.30
(185)		 12.48
(317)		 13.45
(342)		 80.22
(2,038)
Average snowfall inches (cm) 3.5
(8.9)		 3.4
(8.6)		 0.3
(0.76)		 0.0
(0.0)		 0.0
(0.0)		 0.0
(0.0)		 0.0
(0.0)		 0.0
(0.0)		 0.0
(0.0)		 0.0
(0.0)		 0.2
(0.51)		 2.9
(7.4)		 10.3
(26)
Average precipitation days (≥ 0.01 in) 21.6 18.2 20.2 18.8 14.5 11.2 4.2 3.7 7.8 15.4 21.1 22.1 178.8
Average snowy days (≥ 0.1 in) 1.6 1.2 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.4 4.5
Source: NOAA[4][5]

References

  1. 1 2 U.S. Geological Survey Geographic Names Information System: Bonneville, Oregon
  2. 1 2 3 McArthur, Lewis A.; McArthur, Lewis L. (2003) [1928]. Oregon Geographic Names (7th ed.). Portland, Oregon: Oregon Historical Society Press. p. 98. ISBN 978-0875952772.
  3. ↑ "Lewis & Clark's Columbia River—200 Years Later: Bonneville, Oregon". Archived from the original on September 27, 2007. Retrieved August 28, 2007.
  4. ↑ "NOWData – NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved August 17, 2022.
  5. ↑ "U.S. Climate Normals Quick Access – Station: Bonneville Dam, OR". National Oceanic and Atmospheric Administration. Retrieved December 30, 2022.


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