Redmond, Oregon climate: Normal weather by month, frost dates and records
Redmond's normal year runs from 23°F December nights to 88°F July afternoons, with 8.5 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 9.4°C, December lows of −5°C, July highs of 31°C, 215 mm of precipitation a year.
- NOAA stationRedmond Roberts Field
- Station IDUSW00024230
- Location44.26°N 121.14°W
- Elevation3,043 ft (928 m)
- From the center2 miles
- Population37,626
On October 14, the normal high in Redmond is 65°F and the normal low 33°F, and the chance of measurable rain or snow is 20%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Redmond.
- Jan 44° 25°
- Feb 48° 25°
- Mar 55° 28°
- Apr 60° 31°
- May 69° 38°
- Jun 77° 43°
- Jul 88° 49°
- Aug 87° 47°
- Sep 79° 41°
- Oct 65° 33°
- Nov 51° 28°
- Dec 42° 23°
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 Redmond each month?
July is the warmest month, with normal highs of 88°F; December the coldest, with normal lows of 23°F. The most precipitation falls in May (1.20 in), the least in September (0.37 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 44°F | 25°F | 34.8°F | 0.98 | 9 | <1 | 26 | 9 h 10 min |
| February | 48°F | 25°F | 36.6°F | 0.66 | 7 | <1 | 24 | 10 h 30 min |
| March | 55°F | 28°F | 41.3°F | 0.58 | 8 | <1 | 26 | 11 h 50 min |
| April | 60°F | 31°F | 45.5°F | 0.71 | 8 | <1 | 21 | 13 h 20 min |
| May | 69°F | 38°F | 53.4°F | 1.20 | 8 | 1 | 10 | 14 h 40 min |
| June | 77°F | 43°F | 60.0°F | 0.64 | 6 | 3 | 3 | 15 h 30 min |
| July | 88°F | 49°F | 68.0°F | 0.40 | 3 | 13 | <1 | 15 h 10 min |
| August | 87°F | 47°F | 66.8°F | 0.46 | 3 | 11 | <1 | 14 h 10 min |
| September | 79°F | 41°F | 59.6°F | 0.37 | 3 | 4 | 5 | 12 h 40 min |
| October | 65°F | 33°F | 48.6°F | 0.68 | 7 | <1 | 18 | 11 h |
| November | 51°F | 28°F | 39.1°F | 0.81 | 8 | <1 | 22 | 9 h 40 min |
| December | 42°F | 23°F | 32.8°F | 0.97 | 9 | <1 | 27 | 8 h 50 min |
| Year (annual) | 64°F | 34°F | 48.9°F | 8.46 | 78 | 32 | 181 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 7°C | −4°C | 1.6°C | 25 mm |
| February | 9°C | −4°C | 2.6°C | 17 mm |
| March | 13°C | −2°C | 5.2°C | 15 mm |
| April | 16°C | −1°C | 7.5°C | 18 mm |
| May | 21°C | 3°C | 11.9°C | 30 mm |
| June | 25°C | 6°C | 15.6°C | 16 mm |
| July | 31°C | 9°C | 20.0°C | 10 mm |
| August | 30°C | 8°C | 19.3°C | 12 mm |
| September | 26°C | 5°C | 15.3°C | 9 mm |
| October | 18°C | 0°C | 9.2°C | 17 mm |
| November | 10°C | −2°C | 3.9°C | 21 mm |
| December | 6°C | −5°C | 0.4°C | 25 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Bend (7 mi NE) (10 miles away), gets 11 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USW00024230; 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 Redmond?
Normal highs sit between 65°F and 85°F in May, June and September. Of those, September 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 USW00024230.
When is the last frost in Redmond?
In Redmond, the last spring frost (32°F) comes after June 9 in half of years and after June 26 in one year in ten; the first autumn frost comes before September 14 in half of years and before September 1 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
- June 91 year in 10 after June 26; 9 in 10 after May 17
- First autumn frost, half of years before
- September 141 year in 10 before September 1; 9 in 10 before October 1
NOAA puts the median frost-free season at 98 days, and the season without a hard freeze (28°F) at 134 days.
A hard freeze (28°F) comes after May 14 in half of springs and before September 30 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Redmond in zone 6b in ZIP code 97756. By the map's own method, the average of each year's coldest night over 1991-2020, Redmond's NOAA station is in zone 6a: the coldest night of a typical year reaches −6°F (23 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 USW00024230; 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 in Redmond?
In a normal year in Redmond, 32 days a year reach 90°F (3 of them 100°F or more), 181 nights fall to 32°F or colder and 78 days bring measurable precipitation.
- Days at 90°F or more
- 32a normal year
- Days at 100°F or more
- 3a normal year
- Nights at 32°F or colder
- 181a normal year
- Days that stay below freezing
- 13high of 32°F or less
- Days with 0.01 inch of precipitation
- 78a normal year
The highest temperature in this station's record (since 1948) is 112°F, on June 29, 2021; the lowest is −28°F, on December 8, 1972.
The wettest calendar year on that record is 1956, with 12.80 in; the snowiest season is 1992–93, with 60.5 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USW00024230; records: ACIS (NOAA Regional Climate Centers), station USW00024230. Records use complete months only; a month missing more than three days is left out.
How sunny is Redmond?
Over a year 78% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Redmond, 4.3 kWh per square metre a day. July is the sunniest month (92%) and December the cloudiest (60%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 62% | 1.5 |
| February | 67% | 2.5 |
| March | 67% | 3.6 |
| April | 71% | 5.0 |
| May | 75% | 6.2 |
| June | 82% | 7.1 |
| July | 92% | 7.7 |
| August | 91% | 6.6 |
| September | 86% | 4.9 |
| October | 76% | 3.1 |
| November | 65% | 1.8 |
| December | 60% | 1.3 |
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 Redmond need?
A normal year in Redmond brings 6,172 heating degree days, 15% more than the median U.S. place (5,373), and 317 cooling degree days, 65% 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 1,969 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 938 | 0 |
| February | 794 | 0 |
| March | 735 | 0 |
| April | 587 | 0 |
| May | 365 | 7 |
| June | 183 | 33 |
| July | 44 | 136 |
| August | 53 | 110 |
| September | 192 | 30 |
| October | 509 | 1 |
| November | 776 | 0 |
| December | 998 | 0 |
| Year (annual) | 6,172 | 317 |
Source: NOAA NCEI 1991-2020 monthly normals, station USW00024230. 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.
Has Redmond been warmer than normal lately?
2025 averaged 50.0°F, 1.1°F above the 1991-2020 normal of 48.9°F. 5 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 50.7°F | +1.8°F | 6.25 |
| 2022 | 49.7°F | +0.8°F | 7.45 |
| 2023 | 50.0°F | +1.1°F | 5.52 |
| 2024 | 50.1°F | +1.2°F | 8.71 |
| 2025 | 50.0°F | +1.1°F | 7.78 |
Over 66 complete years from 1949 to 2025, the station's annual mean temperature rose at a fitted 3.7°F per century (+0.20°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USW00024230; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Redmond's climate compare?
Redmond is warmer than 24 of the other 104 places with their own NOAA record in Oregon, and wetter than 0. Across the 7,247 U.S. stations with normals, its annual mean of 48.9°F is warmer than 36%.
In the Köppen classification computed from these normals, Redmond is BSk: cold semi-arid steppe. 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 Redmond share this climate record?
4 places have no NOAA station with 1991-2020 normals of their 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.
- Crooked River Ranch, OR4,681 people · 13 mi NW
- Eagle Crest, OR2,890 people · 8 mi W
- Terrebonne, OR1,394 people · 7 mi N
- Pronghorn, OR180 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 Redmond's climate
What is the coldest month in Redmond?
December, with a normal high of 42°F and a normal low of 23°F. The warmest is July (88°F by day, 49°F at night).
Does it snow in Redmond?
Yes. NOAA publishes no 1991-2020 snowfall normal for Redmond's NOAA station; the nearest record that keeps one, Bend (7 mi NE) (10 miles away), records 11 inches of snow in a normal year.
What is the rainiest month in Redmond?
May, with 1.20 in of precipitation in a normal year; the driest is September with 0.37 in.
What plant hardiness zone is Redmond in?
The USDA's 2023 map puts Redmond in zone 6b in ZIP code 97756. By the same method at Redmond's NOAA station, the coldest night of a typical year reaches −6°F (23 years, 1991-2020): zone 6a.
How late can frost come in Redmond?
In half of years the last 32°F night comes after June 9; in one year in ten it comes after June 26. Waiting until June 26 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Oregon climateThe statewide normals and every place in the state
- Prineville, OR15 miles from this station, 49.4°F a year
- Bend, OR16 miles from this station, 47.6°F a year
- Sisters, OR21 miles from this station, 45.5°F a year
- Grizzly, OR21 miles from this station, 45.4°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made