Concrete, Washington climate: Normal weather by month, frost dates and records
Concrete's normal year runs from 34°F December nights to 77°F August afternoons, with 71.2 inches of precipitation and 16 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 10.4°C, December lows of 1°C, August highs of 25°C, 1,809 mm of precipitation a year.
- NOAA stationConcrete Ppl Fish Station
- Station IDUSC00451679
- Location48.54°N 121.74°W
- Elevation195 ft (59 m)
- Population795
On October 14, the normal high in Concrete is 60°F and the normal low 44°F, and the chance of measurable rain or snow is 53%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Concrete.
- Jan 43° 33°
- Feb 47° 34°
- Mar 52° 36°
- Apr 58° 40°
- May 65° 45°
- Jun 69° 50°
- Jul 76° 53°
- Aug 77° 54°
- Sep 71° 50°
- Oct 59° 44°
- Nov 49° 38°
- Dec 42° 34°
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 Concrete each month?
August is the warmest month, with normal highs of 77°F; December the coldest, with normal lows of 34°F. The most precipitation falls in November (11.49 in), the least in July (1.21 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 43°F | 33°F | 38.1°F | 10.38 | 5.0 | 21 | <1 | 12 | 8 h 40 min |
| February | 47°F | 34°F | 40.3°F | 6.72 | 1.5 | 18 | <1 | 11 | 10 h 10 min |
| March | 52°F | 36°F | 43.9°F | 7.63 | 1.3 | 20 | <1 | 7 | 11 h 50 min |
| April | 58°F | 40°F | 49.1°F | 5.09 | 0.0 | 18 | <1 | 1 | 13 h 40 min |
| May | 65°F | 45°F | 55.3°F | 3.47 | 0.0 | 14 | <1 | <1 | 15 h 10 min |
| June | 69°F | 50°F | 59.4°F | 2.68 | 0.0 | 13 | <1 | <1 | 16 h 10 min |
| July | 76°F | 53°F | 64.3°F | 1.21 | 0.0 | 7 | 1 | <1 | 15 h 50 min |
| August | 77°F | 54°F | 65.2°F | 1.53 | 0.0 | 6 | 1 | <1 | 14 h 30 min |
| September | 71°F | 50°F | 60.4°F | 3.31 | 0.0 | 10 | <1 | <1 | 12 h 40 min |
| October | 59°F | 44°F | 51.7°F | 7.31 | 0.0 | 17 | <1 | 1 | 11 h |
| November | 49°F | 38°F | 43.2°F | 11.49 | 0.9 | 21 | <1 | 5 | 9 h 20 min |
| December | 42°F | 34°F | 37.9°F | 10.42 | 7.6 | 21 | <1 | 11 | 8 h 20 min |
| Year (annual) | 59°F | 43°F | 50.7°F | 71.24 | 16.3 | 185 | 3 | 47 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 6°C | 1°C | 3.4°C | 264 mm | 13 cm |
| February | 8°C | 1°C | 4.6°C | 171 mm | 4 cm |
| March | 11°C | 2°C | 6.6°C | 194 mm | 3 cm |
| April | 15°C | 4°C | 9.5°C | 129 mm | 0 cm |
| May | 19°C | 7°C | 12.9°C | 88 mm | 0 cm |
| June | 21°C | 10°C | 15.2°C | 68 mm | 0 cm |
| July | 24°C | 12°C | 17.9°C | 31 mm | 0 cm |
| August | 25°C | 12°C | 18.4°C | 39 mm | 0 cm |
| September | 22°C | 10°C | 15.8°C | 84 mm | 0 cm |
| October | 15°C | 7°C | 10.9°C | 186 mm | 0 cm |
| November | 9°C | 3°C | 6.2°C | 292 mm | 2 cm |
| December | 6°C | 1°C | 3.3°C | 265 mm | 19 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00451679; 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 Concrete?
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 (6).
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 USC00451679.
When is the last frost in Concrete?
In Concrete, the last spring frost (32°F) comes after March 28 in half of years and after April 19 in one year in ten; the first autumn frost comes before November 14 in half of years and before October 23 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
- March 281 year in 10 after April 19; 9 in 10 after March 7
- First autumn frost, half of years before
- November 141 year in 10 before October 23; 9 in 10 before December 4
NOAA puts the median frost-free season at 229 days, and the season without a hard freeze (28°F) at 285 days.
A hard freeze (28°F) comes after February 25 in half of springs and before December 2 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Concrete in zone 8a in ZIP code 98237, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Concrete's NOAA station is in zone 8b: the coldest night of a typical year reaches 18°F (29 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 Washington · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00451679; 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 Concrete?
In a normal year in Concrete, 3 days a year reach 90°F, 47 nights fall to 32°F or colder and 185 days bring measurable precipitation.
- Days at 90°F or more
- 3a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 47a normal year
- Days that stay below freezing
- 3high of 32°F or less
- Days with 0.01 inch of precipitation
- 185a normal year
- Days with 1 inch of snow or more
- 5a normal year
The highest temperature in this station's record (since 1905) is 106°F, on June 25, 1925; the lowest is 0°F, on January 30, 1950.
The wettest calendar year on that record is 1990, with 93.12 in; the snowiest season is 1948–49, with 97.5 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00451679; records: ACIS (NOAA Regional Climate Centers), station USC00451679. Records use complete months only; a month missing more than three days is left out.
How sunny is Concrete?
Over a year 68% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Concrete, 3.5 kWh per square metre a day. August is the sunniest month (81%) and December the cloudiest (53%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 55% | 1.1 |
| February | 62% | 2.0 |
| March | 59% | 2.9 |
| April | 63% | 4.3 |
| May | 66% | 5.3 |
| June | 67% | 5.8 |
| July | 81% | 6.7 |
| August | 81% | 5.7 |
| September | 75% | 4.0 |
| October | 64% | 2.3 |
| November | 55% | 1.2 |
| December | 53% | 0.9 |
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 Concrete need?
A normal year in Concrete brings 5,325 heating degree days, 1% fewer than the median U.S. place (5,373), and 137 cooling degree days, 85% 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 1,850 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 835 | 0 |
| February | 693 | 0 |
| March | 654 | 0 |
| April | 477 | 0 |
| May | 305 | 4 |
| June | 180 | 12 |
| July | 70 | 46 |
| August | 52 | 57 |
| September | 154 | 17 |
| October | 414 | 1 |
| November | 653 | 0 |
| December | 838 | 0 |
| Year (annual) | 5,325 | 137 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00451679. 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 Concrete been warmer than normal lately?
2025 averaged 51.6°F, 0.9°F above the 1991-2020 normal of 50.7°F. 2 of the 4 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 50.7°F | at normal | 77.56 | – |
| 2022 | 50.2°F | −0.5°F | 64.26 | – |
| 2024 | 51.4°F | +0.7°F | 69.13 | – |
| 2025 | 51.6°F | +0.9°F | 79.00 | 6.5 |
Over 75 complete years from 1906 to 2025, the station's annual mean temperature rose at a fitted 2.0°F per century (+0.11°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00451679; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Concrete's climate compare?
Concrete is warmer than 50 of the other 95 places with their own NOAA record in Washington, and wetter than 78. Across the 7,247 U.S. stations with normals, its annual mean of 50.7°F is warmer than 44%.
In the Köppen classification computed from these normals, Concrete 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 Concrete share this climate record?
Rockport 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.
- Rockport, WA60 people · 7 mi SE
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 Concrete's climate
What is the coldest month in Concrete?
December, with a normal high of 42°F and a normal low of 34°F. The warmest is August (77°F by day, 54°F at night).
Does it snow in Concrete?
Yes: 16 inches in a normal year, falling on 7 days with 0.1 inch or more, the most in December (7.6 inches).
What is the rainiest month in Concrete?
November, with 11.49 in of precipitation in a normal year; the driest is July with 1.21 in.
What plant hardiness zone is Concrete in?
The USDA's 2023 map puts Concrete in zone 8a in ZIP code 98237, the nearest ZIP area. By the same method at Concrete's NOAA station, the coldest night of a typical year reaches 18°F (29 years, 1991-2020): zone 8b.
How late can frost come in Concrete?
In half of years the last 32°F night comes after March 28; in one year in ten it comes after April 19. Waiting until April 19 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Washington climateThe statewide normals and every place in the state
- Upper Baker Dam, WA8 miles from this station, 47.4°F a year
- Darrington, WA21 miles from this station, 49.6°F a year
- Sedro-Woolley, WA23 miles from this station, 51.3°F a year
- Newhalem, WA25 miles from this station, 50.2°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made