Sunriver, Oregon climate: Normal weather by month, frost dates and records
Sunriver's normal year runs from 19°F December nights to 84°F July afternoons, with 19.1 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 6.8°C, December lows of −7°C, July highs of 29°C, 486 mm of precipitation a year.
- NOAA stationSunriver
- Station IDUSC00358246
- Location43.89°N 121.41°W
- Elevation4,180 ft (1,274 m)
- Population (census place)1,429
On October 22, the normal high in Sunriver is 59°F and the normal low 27°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Sunriver.
- Jan 40° 20°
- Feb 43° 21°
- Mar 50° 24°
- Apr 57° 25°
- May 65° 33°
- Jun 72° 37°
- Jul 84° 41°
- Aug 83° 40°
- Sep 76° 34°
- Oct 62° 28°
- Nov 46° 24°
- Dec 38° 19°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Sunriver each month?
July is the warmest month, with normal highs of 84°F; December the coldest, with normal lows of 19°F. The most precipitation falls in December (3.16 in), the least in July (0.52 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 40°F | 20°F | 29.7°F | 2.86 | – | <1 | 30 | 9 h 10 min |
| February | 43°F | 21°F | 32.1°F | 1.91 | – | <1 | 27 | 10 h 30 min |
| March | 50°F | 24°F | 37.0°F | 1.54 | – | <1 | 29 | 11 h 50 min |
| April | 57°F | 25°F | 40.6°F | 1.16 | – | <1 | 25 | 13 h 20 min |
| May | 65°F | 33°F | 48.8°F | 1.71 | – | <1 | 16 | 14 h 40 min |
| June | 72°F | 37°F | 54.6°F | 1.09 | – | 1 | 7 | 15 h 30 min |
| July | 84°F | 41°F | 62.5°F | 0.52 | – | 9 | 2 | 15 h 10 min |
| August | 83°F | 40°F | 61.6°F | 0.55 | – | 7 | 3 | 14 h |
| September | 76°F | 34°F | 54.9°F | 0.75 | – | 2 | 15 | 12 h 40 min |
| October | 62°F | 28°F | 44.9°F | 1.44 | – | <1 | 24 | 11 h 10 min |
| November | 46°F | 24°F | 35.1°F | 2.43 | – | <1 | 26 | 9 h 40 min |
| December | 38°F | 19°F | 28.3°F | 3.16 | – | <1 | 29 | 9 h |
| Year (annual) | 60°F | 29°F | 44.2°F | 19.12 | – | 19 | 231 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 4°C | −7°C | −1.3°C | 73 mm |
| February | 6°C | −6°C | 0.1°C | 49 mm |
| March | 10°C | −4°C | 2.8°C | 39 mm |
| April | 14°C | −4°C | 4.8°C | 29 mm |
| May | 18°C | 0°C | 9.3°C | 43 mm |
| June | 22°C | 3°C | 12.6°C | 28 mm |
| July | 29°C | 5°C | 16.9°C | 13 mm |
| August | 28°C | 5°C | 16.4°C | 14 mm |
| September | 24°C | 1°C | 12.7°C | 19 mm |
| October | 17°C | −2°C | 7.2°C | 37 mm |
| November | 8°C | −4°C | 1.7°C | 62 mm |
| December | 3°C | −7°C | −2.1°C | 80 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Bend (13 miles away), gets 22 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00358246; 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.
When is the best weather to visit Sunriver?
Normal highs sit between 65°F and 85°F in June, July, August and September.
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 USC00358246.
How hot and how cold does it get in Sunriver?
In a normal year in Sunriver, 19 days a year reach 90°F (1 of them 100°F or more) and 231 nights fall to 32°F or colder.
- Days at 90°F or more
- 19a normal year
- Days at 100°F or more
- 1a normal year
- Nights at 32°F or colder
- 231a normal year
- Days that stay below freezing
- 19high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00358246.
How sunny is Sunriver?
Over a year 80% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Sunriver, 4.5 kWh per square metre a day. July is the sunniest month (92%) and December the cloudiest (62%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 66% | 1.7 |
| February | 69% | 2.7 |
| March | 70% | 3.9 |
| April | 74% | 5.3 |
| May | 77% | 6.5 |
| June | 84% | 7.5 |
| July | 92% | 7.8 |
| August | 91% | 6.8 |
| September | 88% | 5.2 |
| October | 80% | 3.4 |
| November | 68% | 2.0 |
| December | 62% | 1.4 |
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 much heating and cooling does Sunriver need?
A normal year in Sunriver brings 7,661 heating degree days, 43% more than the median U.S. place (5,373), and 85 cooling degree days, 91% fewer than the median (908). Ten months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 1,234 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,094 | 0 |
| February | 921 | 0 |
| March | 870 | 0 |
| April | 732 | 0 |
| May | 504 | 2 |
| June | 318 | 6 |
| July | 116 | 40 |
| August | 137 | 31 |
| September | 310 | 7 |
| October | 625 | 0 |
| November | 896 | 0 |
| December | 1,139 | 0 |
| Year (annual) | 7,661 | 85 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00358246. 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.
How does Sunriver's climate compare?
Sunriver is warmer than 4 of the other 104 places with their own NOAA record in Oregon, and wetter than 39. Across the 7,247 U.S. stations with normals, its annual mean of 44.2°F is warmer than 16%.
In the Köppen classification computed from these normals, Sunriver is Dsb: continental, 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.
Which places near Sunriver share this climate record?
Three Rivers has no NOAA station with 1991-2020 normals of its own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Three Rivers, OR3,966 people · 5 mi SW
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Sunriver's climate
What is the coldest month in Sunriver?
December, with a normal high of 38°F and a normal low of 19°F. The warmest is July (84°F by day, 41°F at night).
Does it snow in Sunriver?
Yes. NOAA publishes no 1991-2020 snowfall normal for Sunriver's NOAA station; the nearest record that keeps one, Bend (13 miles away), records 22 inches of snow in a normal year.
What is the rainiest month in Sunriver?
December, with 3.16 in of precipitation in a normal year; the driest is July with 0.52 in.
What plant hardiness zone is Sunriver in?
The USDA's 2023 map puts Sunriver in zone 6a in ZIP code 97707.
Nearby and next
- Oregon climateThe statewide normals and every place in the state
- Bend, OR13 miles from this station, 47.6°F a year
- Wickiup Dam, OR20 miles from this station, 45.5°F a year
- Sisters, OR28 miles from this station, 45.5°F a year
- Redmond, OR29 miles from this station, 48.9°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made