Nature Park-Beaverton, Oregon climate: Climate normals at a NOAA weather station
Nature Park-Beaverton's normal year runs from 40°F December nights to 82°F August afternoons, with 39.2 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 13.2°C, December lows of 4°C, August highs of 28°C, 995 mm of precipitation a year.
- NOAA stationNature Park-Beaverton
- Station IDUSC00355945
- Location45.50°N 122.84°W
- Elevation185 ft (56 m)
On October 23, the normal high in Nature Park-Beaverton is 62°F and the normal low 46°F, and the chance of measurable rain or snow is 58%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Nature Park-Beaverton.
- Jan 50° 40°
- Feb 54° 40°
- Mar 58° 42°
- Apr 63° 45°
- May 70° 50°
- Jun 73° 53°
- Jul 81° 57°
- Aug 82° 57°
- Sep 76° 53°
- Oct 65° 47°
- Nov 55° 43°
- Dec 49° 40°
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 Nature Park-Beaverton each month?
August is the warmest month, with normal highs of 82°F; December the coldest, with normal lows of 40°F. The most precipitation falls in December (6.25 in), the least in August (0.46 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 50°F | 40°F | 45.1°F | 5.51 | 20 | <1 | 3 | 9 h |
| February | 54°F | 40°F | 47.2°F | 4.29 | 18 | <1 | 1 | 10 h 20 min |
| March | 58°F | 42°F | 49.9°F | 4.06 | 20 | <1 | <1 | 11 h 50 min |
| April | 63°F | 45°F | 53.8°F | 3.02 | 17 | <1 | <1 | 13 h 30 min |
| May | 70°F | 50°F | 59.7°F | 2.16 | 13 | <1 | <1 | 14 h 50 min |
| June | 73°F | 53°F | 63.2°F | 1.70 | 10 | 2 | <1 | 15 h 40 min |
| July | 81°F | 57°F | 68.6°F | 0.54 | 4 | 5 | <1 | 15 h 20 min |
| August | 82°F | 57°F | 69.4°F | 0.46 | 3 | 6 | <1 | 14 h 10 min |
| September | 76°F | 53°F | 64.2°F | 1.41 | 9 | 2 | <1 | 12 h 40 min |
| October | 65°F | 47°F | 56.0°F | 3.88 | 17 | <1 | <1 | 11 h |
| November | 55°F | 43°F | 48.7°F | 5.88 | 19 | <1 | 1 | 9 h 30 min |
| December | 49°F | 40°F | 44.1°F | 6.25 | 18 | <1 | 4 | 8 h 40 min |
| Year (annual) | 65°F | 47°F | 55.8°F | 39.16 | 168 | 16 | 10 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 10°C | 5°C | 7.3°C | 140 mm |
| February | 12°C | 5°C | 8.4°C | 109 mm |
| March | 14°C | 5°C | 9.9°C | 103 mm |
| April | 17°C | 7°C | 12.1°C | 77 mm |
| May | 21°C | 10°C | 15.4°C | 55 mm |
| June | 23°C | 12°C | 17.3°C | 43 mm |
| July | 27°C | 14°C | 20.3°C | 14 mm |
| August | 28°C | 14°C | 20.8°C | 12 mm |
| September | 24°C | 11°C | 17.9°C | 36 mm |
| October | 18°C | 8°C | 13.3°C | 99 mm |
| November | 13°C | 6°C | 9.3°C | 149 mm |
| December | 9°C | 4°C | 6.7°C | 159 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00355945; 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 Nature Park-Beaverton?
Normal highs sit between 65°F and 85°F in May, June, July, August and September. Of those, August 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 USC00355945.
When is the last frost at Nature Park-Beaverton?
In Nature Park-Beaverton, the last spring frost (32°F) comes after February 11 in half of years and after March 5 in one year in ten; the first autumn frost comes before December 5 in half of years and before November 11 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
- February 111 year in 10 after March 5; 9 in 10 after December 26
- First autumn frost, half of years before
- December 51 year in 10 before November 11; 9 in 10 before January 12
NOAA puts the median frost-free season at 303 days, and the season without a hard freeze (28°F) at 357 days.
A hard freeze (28°F) comes after January 6 in half of springs and before December 21 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Nature Park-Beaverton in zone 9a in ZIP code 97003, the nearest ZIP area.
Frost dates for every NOAA station in Oregon · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00355945; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. 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 Nature Park-Beaverton?
In a normal year in Nature Park-Beaverton, 16 days a year reach 90°F (1 of them 100°F or more), 10 nights fall to 32°F or colder and 168 days bring measurable precipitation.
- Days at 90°F or more
- 16a normal year
- Days at 100°F or more
- 1a normal year
- Nights at 32°F or colder
- 10a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 168a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00355945.
How sunny is it at Nature Park-Beaverton?
Over a year 70% of the sunlight that would reach the ground under clear skies gets through the clouds at Nature Park-Beaverton, 3.7 kWh per square metre a day. July is the sunniest month (83%) and December the cloudiest (52%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 54% | 1.2 |
| February | 60% | 2.1 |
| March | 59% | 3.0 |
| April | 63% | 4.3 |
| May | 68% | 5.4 |
| June | 70% | 6.0 |
| July | 83% | 6.8 |
| August | 83% | 5.8 |
| September | 78% | 4.3 |
| October | 67% | 2.6 |
| November | 56% | 1.4 |
| December | 52% | 1.0 |
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 Nature Park-Beaverton record?
A normal year at Nature Park-Beaverton brings 3,732 heating degree days, 31% fewer than the median U.S. place (5,373), and 405 cooling degree days, 55% fewer than the median (908). Six months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,763 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 619 | 0 |
| February | 497 | 0 |
| March | 468 | 0 |
| April | 338 | 4 |
| May | 185 | 21 |
| June | 97 | 45 |
| July | 19 | 131 |
| August | 12 | 149 |
| September | 78 | 54 |
| October | 282 | 3 |
| November | 489 | 0 |
| December | 648 | 0 |
| Year (annual) | 3,732 | 405 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00355945. 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 Nature Park-Beaverton been warmer than normal?
2024 averaged 56.4°F, 0.6°F above the 1991-2020 normal of 55.8°F. 4 of the 4 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 56.9°F | +1.1°F | 38.11 |
| 2022 | 56.4°F | +0.6°F | 39.58 |
| 2023 | 56.4°F | +0.6°F | 38.82 |
| 2024 | 56.4°F | +0.6°F | 52.88 |
Source: observed years: ACIS, station USC00355945. A year counts only with all twelve months complete.
How does Nature Park-Beaverton's climate compare?
Nature Park-Beaverton is warmer than 102 of the 105 places with their own NOAA record in Oregon, and wetter than 53. Across the 7,247 U.S. stations with normals, its annual mean of 55.8°F is warmer than 63%.
In the Köppen classification computed from these normals, Nature Park-Beaverton 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.
Which places near Nature Park-Beaverton share this climate record?
Aloha 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.
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 Nature Park-Beaverton's climate
What is the coldest month at Nature Park-Beaverton?
December, with a normal high of 49°F and a normal low of 40°F. The warmest is August (82°F by day, 57°F at night).
What is the rainiest month at Nature Park-Beaverton?
December, with 6.25 in of precipitation in a normal year; the driest is August with 0.46 in.
What plant hardiness zone is Nature Park-Beaverton in?
The USDA's 2023 map puts Nature Park-Beaverton in zone 9a in ZIP code 97003, the nearest ZIP area.
How late can frost come at Nature Park-Beaverton?
In half of years the last 32°F night comes after February 11; in one year in ten it comes after March 5. Waiting until March 5 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Oregon climateThe statewide normals and every place in the state
- Beaverton, OR3 miles from this station, 53.7°F a year
- Hillsboro, OR6 miles from this station, 52.5°F a year
- Vancouver, WA12 miles from this station, 54.0°F a year
- Forest Grove, OR13 miles from this station, 52.1°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made