Belknap Springs (8 mi N), Oregon climate: Climate normals at a NOAA weather station
Belknap Springs (8 mi N)'s normal year runs from 30°F December nights to 83°F July afternoons, with 72.4 inches of precipitation and 51 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 8.9°C, December lows of −1°C, July highs of 28°C, 1,840 mm of precipitation a year.
- NOAA stationBelknap Springs (8 mi N)
- Station IDUSC00350652
- Location44.29°N 122.04°W
- Elevation2,152 ft (656 m)
On October 23, the normal high in Belknap Springs (8 mi N) is 55°F and the normal low 37°F, and the chance of measurable rain or snow is 45%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Belknap Springs (8 mi N).
- Jan 37° 29°
- Feb 42° 29°
- Mar 48° 31°
- Apr 55° 35°
- May 65° 41°
- Jun 72° 46°
- Jul 83° 50°
- Aug 82° 49°
- Sep 75° 45°
- Oct 60° 38°
- Nov 44° 33°
- Dec 36° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Belknap Springs (8 mi N) each month?
July is the warmest month, with normal highs of 83°F; December the coldest, with normal lows of 30°F. The most precipitation falls in December (12.90 in), the least in July (0.60 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 37°F | 29°F | 33.0°F | 10.35 | 14.7 | 17 | <1 | 26 | 9 h 10 min |
| February | 42°F | 29°F | 35.8°F | 7.84 | 9.0 | 15 | <1 | 23 | 10 h 30 min |
| March | 48°F | 31°F | 39.5°F | 7.99 | 6.3 | 18 | <1 | 22 | 11 h 50 min |
| April | 55°F | 35°F | 44.8°F | 6.20 | 1.1 | 17 | <1 | 11 | 13 h 20 min |
| May | 65°F | 41°F | 52.6°F | 4.19 | 0.0 | 14 | 1 | 3 | 14 h 40 min |
| June | 72°F | 46°F | 58.7°F | 2.57 | 0.0 | 9 | 2 | <1 | 15 h 30 min |
| July | 83°F | 50°F | 66.1°F | 0.60 | 0.0 | 3 | 9 | <1 | 15 h 10 min |
| August | 82°F | 49°F | 65.8°F | 0.84 | 0.0 | 4 | 8 | <1 | 14 h 10 min |
| September | 75°F | 45°F | 59.6°F | 2.10 | 0.0 | 6 | 4 | <1 | 12 h 40 min |
| October | 60°F | 38°F | 48.8°F | 6.02 | 0.1 | 13 | <1 | 5 | 11 h |
| November | 44°F | 33°F | 38.8°F | 10.84 | 2.9 | 18 | <1 | 16 | 9 h 40 min |
| December | 36°F | 30°F | 32.9°F | 12.90 | 17.1 | 18 | <1 | 26 | 8 h 50 min |
| Year (annual) | 58°F | 38°F | 48.0°F | 72.44 | 51.2 | 150 | 24 | 131 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 3°C | −2°C | 0.6°C | 263 mm | 37 cm |
| February | 6°C | −1°C | 2.1°C | 199 mm | 23 cm |
| March | 9°C | −1°C | 4.2°C | 203 mm | 16 cm |
| April | 13°C | 1°C | 7.1°C | 157 mm | 3 cm |
| May | 18°C | 5°C | 11.4°C | 106 mm | 0 cm |
| June | 22°C | 8°C | 14.8°C | 65 mm | 0 cm |
| July | 28°C | 10°C | 18.9°C | 15 mm | 0 cm |
| August | 28°C | 10°C | 18.8°C | 21 mm | 0 cm |
| September | 24°C | 7°C | 15.3°C | 53 mm | 0 cm |
| October | 15°C | 3°C | 9.3°C | 153 mm | 0 cm |
| November | 7°C | 1°C | 3.8°C | 275 mm | 7 cm |
| December | 2°C | −1°C | 0.5°C | 328 mm | 43 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00350652; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
Which months are mildest at Belknap Springs (8 mi N)?
Normal highs sit between 65°F and 85°F in June, July, August and September. Of those, July has the fewest days with rain (3).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00350652.
When is the last frost at Belknap Springs (8 mi N)?
In Belknap Springs (8 mi N), the last spring frost (32°F) comes after May 5 in half of years and after May 29 in one year in ten; the first autumn frost comes before October 12 in half of years and before September 25 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- May 51 year in 10 after May 29; 9 in 10 after April 20
- First autumn frost, half of years before
- October 121 year in 10 before September 25; 9 in 10 before November 3
NOAA puts the median frost-free season at 159 days, and the season without a hard freeze (28°F) at 204 days.
A hard freeze (28°F) comes after April 12 in half of springs and before November 5 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Belknap Springs (8 mi N) in zone 7b in ZIP code 97413, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, the station is in zone 8a: the coldest night of a typical year reaches 13°F (20 complete years); the map interpolates between stations and terrain, so the station and the ZIP area can differ by half a zone.
Frost dates for every NOAA station in Oregon · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00350652; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get at Belknap Springs (8 mi N)?
In a normal year in Belknap Springs (8 mi N), 24 days a year reach 90°F (2 of them 100°F or more), 131 nights fall to 32°F or colder and 150 days bring measurable precipitation.
- Days at 90°F or more
- 24a normal year
- Days at 100°F or more
- 2a normal year
- Nights at 32°F or colder
- 131a normal year
- Days that stay below freezing
- 10high of 32°F or less
- Days with 0.01 inch of precipitation
- 150a normal year
- Days with 1 inch of snow or more
- 15a normal year
The highest temperature in this station's record (since 1960) is 107°F, on June 29, 2021; the lowest is 1°F, on December 24, 1983.
The wettest calendar year on that record is 1996, with 123.99 in; the snowiest season is 1970–71, with 188.5 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00350652; records: ACIS (NOAA Regional Climate Centers), station USC00350652. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Belknap Springs (8 mi N)?
Over a year 73% of the sunlight that would reach the ground under clear skies gets through the clouds at Belknap Springs (8 mi N), 3.9 kWh per square metre a day. July is the sunniest month (89%) and December the cloudiest (53%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 56% | 1.3 |
| February | 61% | 2.2 |
| March | 59% | 3.1 |
| April | 64% | 4.5 |
| May | 70% | 5.7 |
| June | 74% | 6.4 |
| July | 89% | 7.4 |
| August | 88% | 6.3 |
| September | 81% | 4.6 |
| October | 70% | 2.8 |
| November | 58% | 1.5 |
| December | 53% | 1.1 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How many heating and cooling degree days does Belknap Springs (8 mi N) record?
A normal year at Belknap Springs (8 mi N) brings 6,399 heating degree days, 19% more than the median U.S. place (5,373), and 234 cooling degree days, 74% fewer than the median (908). Eight months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 1,805 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 991 | 0 |
| February | 818 | 0 |
| March | 791 | 0 |
| April | 608 | 0 |
| May | 389 | 5 |
| June | 211 | 23 |
| July | 60 | 93 |
| August | 60 | 85 |
| September | 188 | 28 |
| October | 501 | 1 |
| November | 788 | 0 |
| December | 995 | 0 |
| Year (annual) | 6,399 | 234 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00350652. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Have recent years at Belknap Springs (8 mi N) been warmer than normal?
2025 averaged 49.8°F, 1.8°F above the 1991-2020 normal of 48.0°F. 3 of the 3 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 49.5°F | +1.5°F | 57.21 | 92.9 |
| 2022 | 48.5°F | +0.5°F | 68.50 | – |
| 2025 | 49.8°F | +1.8°F | 65.72 | 20.6 |
Over 43 complete years from 1961 to 2025, the station's annual mean temperature rose at a fitted 2.8°F per century (+0.15°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00350652; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Belknap Springs (8 mi N)'s climate compare?
Belknap Springs (8 mi N) is warmer than 21 of the 105 places with their own NOAA record in Oregon, and wetter than 85. Across the 7,247 U.S. stations with normals, its annual mean of 48.0°F is warmer than 32%.
In the Köppen classification computed from these normals, Belknap Springs (8 mi N) is Csb: temperate, dry-summer, warm summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Questions about Belknap Springs (8 mi N)'s climate
What is the coldest month at Belknap Springs (8 mi N)?
December, with a normal high of 36°F and a normal low of 30°F. The warmest is July (83°F by day, 50°F at night).
Does it snow at Belknap Springs (8 mi N)?
Yes: 51 inches in a normal year, falling on 18 days with 0.1 inch or more, the most in December (17.1 inches).
What is the rainiest month at Belknap Springs (8 mi N)?
December, with 12.90 in of precipitation in a normal year; the driest is July with 0.60 in.
What plant hardiness zone is Belknap Springs (8 mi N) in?
The USDA's 2023 map puts Belknap Springs (8 mi N) in zone 7b in ZIP code 97413, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches 13°F (20 years, 1991-2020): zone 8a.
How late can frost come at Belknap Springs (8 mi N)?
In half of years the last 32°F night comes after May 5; in one year in ten it comes after May 29. Waiting until May 29 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Oregon climateThe statewide normals and every place in the state
- McKenzie River Ranger Station, OR8 miles from this station, 50.8°F a year
- Santiam Junction, OR11 miles from this station, 42.9°F a year
- Cougar Dam, OR15 miles from this station, 57.3°F a year
- Marion Forks Fish Hatchery, OR23 miles from this station, 47.1°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made