Bickleton, Washington climate: Normal weather by month, frost dates and records
Bickleton's normal year runs from 23°F December nights to 81°F July afternoons, with 15.0 inches of precipitation and 31 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 8.0°C, December lows of −5°C, July highs of 27°C, 382 mm of precipitation a year.
- NOAA stationBickleton
- Station IDUSC00450668
- Location46.00°N 120.30°W
- Elevation3,015 ft (919 m)
- Population (census place)97
On October 23, the normal high in Bickleton is 53°F and the normal low 35°F, and the chance of measurable rain or snow is 24%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Bickleton.
- Jan 35° 24°
- Feb 39° 26°
- Mar 46° 30°
- Apr 53° 34°
- May 62° 41°
- Jun 70° 46°
- Jul 81° 54°
- Aug 80° 54°
- Sep 71° 47°
- Oct 56° 37°
- Nov 42° 29°
- Dec 34° 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 Bickleton each month?
July is the warmest month, with normal highs of 81°F; December the coldest, with normal lows of 23°F. The most precipitation falls in December (2.52 in), the least in July (0.25 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 35°F | 24°F | 29.8°F | 2.01 | 8.1 | 10 | <1 | 26 | 9 h |
| February | 39°F | 26°F | 32.2°F | 1.64 | 5.1 | 9 | <1 | 23 | 10 h 20 min |
| March | 46°F | 30°F | 38.2°F | 1.51 | 1.5 | 9 | <1 | 21 | 11 h 50 min |
| April | 53°F | 34°F | 43.5°F | 1.03 | 0.6 | 7 | <1 | 13 | 13 h 30 min |
| May | 62°F | 41°F | 51.6°F | 1.33 | 0.6 | 6 | <1 | 4 | 14 h 50 min |
| June | 70°F | 46°F | 57.9°F | 0.82 | 0.0 | 4 | 1 | 1 | 15 h 40 min |
| July | 81°F | 54°F | 67.2°F | 0.25 | 0.0 | 2 | 7 | <1 | 15 h 30 min |
| August | 80°F | 54°F | 67.0°F | 0.35 | 0.0 | 2 | 6 | <1 | 14 h 10 min |
| September | 71°F | 47°F | 59.0°F | 0.44 | 0.0 | 2 | 1 | <1 | 12 h 40 min |
| October | 56°F | 37°F | 46.6°F | 1.00 | 0.2 | 7 | <1 | 7 | 11 h |
| November | 42°F | 29°F | 35.8°F | 2.12 | 2.4 | 9 | <1 | 20 | 9 h 30 min |
| December | 34°F | 23°F | 28.5°F | 2.52 | 12.1 | 11 | <1 | 28 | 8 h 40 min |
| Year (annual) | 56°F | 37°F | 46.4°F | 15.02 | 30.6 | 77 | 14 | 144 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 2°C | −4°C | −1.2°C | 51 mm | 21 cm |
| February | 4°C | −3°C | 0.1°C | 42 mm | 13 cm |
| March | 8°C | −1°C | 3.4°C | 38 mm | 4 cm |
| April | 12°C | 1°C | 6.4°C | 26 mm | 2 cm |
| May | 17°C | 5°C | 10.9°C | 34 mm | 2 cm |
| June | 21°C | 8°C | 14.4°C | 21 mm | 0 cm |
| July | 27°C | 12°C | 19.6°C | 6 mm | 0 cm |
| August | 27°C | 12°C | 19.4°C | 9 mm | 0 cm |
| September | 22°C | 8°C | 15.0°C | 11 mm | 0 cm |
| October | 14°C | 3°C | 8.1°C | 25 mm | 1 cm |
| November | 6°C | −2°C | 2.1°C | 54 mm | 6 cm |
| December | 1°C | −5°C | −1.9°C | 64 mm | 31 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00450668; 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 Bickleton?
Normal highs sit between 65°F and 85°F in June, July, August and September. Of those, September has the fewest days with rain (2).
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 USC00450668.
When is the last frost in Bickleton?
In Bickleton, the last spring frost (32°F) comes after May 16 in half of years and after June 10 in one year in ten; the first autumn frost comes before October 9 in half of years and before September 26 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 161 year in 10 after June 10; 9 in 10 after April 28
- First autumn frost, half of years before
- October 91 year in 10 before September 26; 9 in 10 before October 26
NOAA puts the median frost-free season at 144 days, and the season without a hard freeze (28°F) at 177 days.
A hard freeze (28°F) comes after April 27 in half of springs and before October 22 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Bickleton in zone 7b in ZIP code 99322, the nearest ZIP area.
Frost dates for every NOAA station in Washington · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00450668; 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 in Bickleton?
In a normal year in Bickleton, 14 days a year reach 90°F (1 of them 100°F or more), 144 nights fall to 32°F or colder and 77 days bring measurable precipitation.
- Days at 90°F or more
- 14a normal year
- Days at 100°F or more
- 1a normal year
- Nights at 32°F or colder
- 144a normal year
- Days that stay below freezing
- 27high of 32°F or less
- Days with 0.01 inch of precipitation
- 77a normal year
- Days with 1 inch of snow or more
- 10a normal year
The highest temperature in this station's record (since 1928) is 108°F, on June 28, 2015; the lowest is −17°F, on December 30, 1990.
The wettest calendar year on that record is 2010, with 22.82 in; the snowiest season is 1955–56, with 100.9 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00450668; records: ACIS (NOAA Regional Climate Centers), station USC00450668. Records use complete months only; a month missing more than three days is left out.
How sunny is Bickleton?
Over a year 79% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Bickleton, 4.2 kWh per square metre a day. July is the sunniest month (93%) and December the cloudiest (56%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 57% | 1.3 |
| February | 66% | 2.3 |
| March | 68% | 3.5 |
| April | 75% | 5.1 |
| May | 78% | 6.3 |
| June | 83% | 7.1 |
| July | 93% | 7.7 |
| August | 91% | 6.5 |
| September | 86% | 4.8 |
| October | 76% | 3.0 |
| November | 64% | 1.6 |
| December | 56% | 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 much heating and cooling does Bickleton need?
A normal year in Bickleton brings 7,061 heating degree days, 31% more than the median U.S. place (5,373), and 319 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 1,788 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,093 | 0 |
| February | 917 | 0 |
| March | 832 | 0 |
| April | 645 | 0 |
| May | 420 | 4 |
| June | 237 | 24 |
| July | 67 | 137 |
| August | 61 | 123 |
| September | 210 | 30 |
| October | 570 | 1 |
| November | 878 | 0 |
| December | 1,131 | 0 |
| Year (annual) | 7,061 | 319 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00450668. 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 Bickleton's climate compare?
Bickleton is warmer than 9 of the other 95 places with their own NOAA record in Washington, and wetter than 27. Across the 7,247 U.S. stations with normals, its annual mean of 46.4°F is warmer than 25%.
In the Köppen classification computed from these normals, Bickleton 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.
Questions about Bickleton's climate
What is the coldest month in Bickleton?
December, with a normal high of 34°F and a normal low of 23°F. The warmest is July (81°F by day, 54°F at night).
Does it snow in Bickleton?
Yes: 31 inches in a normal year, falling on 16 days with 0.1 inch or more, the most in December (12.1 inches).
What is the rainiest month in Bickleton?
December, with 2.52 in of precipitation in a normal year; the driest is July with 0.25 in.
What plant hardiness zone is Bickleton in?
The USDA's 2023 map puts Bickleton in zone 7b in ZIP code 99322, the nearest ZIP area.
How late can frost come in Bickleton?
In half of years the last 32°F night comes after May 16; in one year in ten it comes after June 10. Waiting until June 10 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Washington climateThe statewide normals and every place in the state
- Satus Pass (2 mi SSW), WA18 miles from this station, 46.8°F a year
- Arlington, OR20 miles from this station, 54.4°F a year
- Sunnyside, WA27 miles from this station, 49.9°F a year
- Goldendale, WA29 miles from this station, 48.0°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made