climigo

Washington

When to go?

The best months are June–September. Avoid December–January (freezing).

Climate zones

OregonIdahoCanadaSeattleSeattleSeattleSpokaneSpokaneSpokaneTacomaTacomaTacomaVancouverVancouverVancouverOlympiaOlympiaOlympiaOlympic National ParkOlympic National ParkOlympic National Park

Mean maximum and minimum temperature and mean monthly precipitation of the season (the mean of its three months), ERA5-Land 1996–2025, at about 9 km resolution: colours are in levels (the same as the city scale) and smaller details are not real.

What is the climate like?

Area mean indicative, over the whole territory

Temperature and rain

January 3°−4° snow likely
February 5°−3°
March 9°−1°
April 13°1°
May 18°5°
June 21°8°
July 26°11°
August 26°11°
September 22°8°
October 14°3°
November 7°−1°
December 3°−4° snow likely

Monthly min and max temperature (°C)

−5°0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDec−3.7 · 3.0 °CJanuary: −3.7 · 3.0 °C−3.3 · 5.0 °CFebruary: −3.3 · 5.0 °C−1.1 · 8.8 °CMarch: −1.1 · 8.8 °C1.3 · 13.0 °CApril: 1.3 · 13.0 °C5.2 · 17.8 °CMay: 5.2 · 17.8 °C8.3 · 21.4 °CJune: 8.3 · 21.4 °C11.3 · 26.4 °CJuly: 11.3 · 26.4 °C11.0 · 26.3 °CAugust: 11.0 · 26.3 °C7.5 · 21.7 °CSeptember: 7.5 · 21.7 °C2.9 · 14.1 °COctober: 2.9 · 14.1 °C−1.1 · 6.8 °CNovember: −1.1 · 6.8 °C−3.9 · 2.5 °CDecember: −3.9 · 2.5 °C

Monthly min and max temperature (°C)

Jan −3.7 – 3.0 °C
Feb −3.3 – 5.0 °C
Mar −1.1 – 8.8 °C
Apr 1.3 – 13.0 °C
May 5.2 – 17.8 °C
Jun 8.3 – 21.4 °C
Jul 11.3 – 26.4 °C
Aug 11.0 – 26.3 °C
Sep 7.5 – 21.7 °C
Oct 2.9 – 14.1 °C
Nov −1.1 – 6.8 °C
Dec −3.9 – 2.5 °C

How much it rains

January 146 mm13 d
February 100 mm10 d
March 109 mm11 d
April 72 mm9 d
May 60 mm8 d
June 44 mm6 d
July 16 mm2 d
August 20 mm3 d
September 41 mm5 d
October 95 mm9 d
November 148 mm13 d
December 158 mm13 d

Rain days and how much water

0102030 dJanFebMarAprMayJunJulAugSepOctNovDec146 mm · 13 rain days · 11 mm a dayJanuary: 146 mm · 13 rain days · 11 mm a day100 mm · 10 rain days · 10 mm a dayFebruary: 100 mm · 10 rain days · 10 mm a day109 mm · 11 rain days · 10 mm a dayMarch: 109 mm · 11 rain days · 10 mm a day72 mm · 9 rain days · 8 mm a dayApril: 72 mm · 9 rain days · 8 mm a day60 mm · 8 rain days · 8 mm a dayMay: 60 mm · 8 rain days · 8 mm a day44 mm · 6 rain days · 7 mm a dayJune: 44 mm · 6 rain days · 7 mm a day16 mm · 2 rain days · 8 mm a dayJuly: 16 mm · 2 rain days · 8 mm a day20 mm · 3 rain days · 7 mm a dayAugust: 20 mm · 3 rain days · 7 mm a day41 mm · 5 rain days · 8 mm a daySeptember: 41 mm · 5 rain days · 8 mm a day95 mm · 9 rain days · 11 mm a dayOctober: 95 mm · 9 rain days · 11 mm a day148 mm · 13 rain days · 11 mm a dayNovember: 148 mm · 13 rain days · 11 mm a day158 mm · 13 rain days · 12 mm a dayDecember: 158 mm · 13 rain days · 12 mm a day

Rain days and how much water

Jan 146 mm13 d
Feb 100 mm10 d
Mar 109 mm11 d
Apr 72 mm9 d
May 60 mm8 d
Jun 44 mm6 d
Jul 16 mm2 d
Aug 20 mm3 d
Sep 41 mm5 d
Oct 95 mm9 d
Nov 148 mm13 d
Dec 158 mm13 d

Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day

Colour = the month's rain: 103060100160250400mm

Daylight hours

January 8 h 55
February 10 h 18
March 11 h 51
April 13 h 36
May 15 h 04
June 15 h 54
July 15 h 33
August 14 h 16
September 12 h 36
October 10 h 56
November 9 h 22
December 8 h 31

Mean daylight hours over the whole territory.

Snow on the ground

January 46 cm
February 51 cm
March 50 cm
April 39 cm
May 22 cm
June 7 cm
July 1 cm
August –
September –
October 1 cm
November 8 cm
December 28 cm

Mean snow depth on the ground (cm)

050100 cmJanFebMarAprMayJunJulAugSepOctNovDec46 cmJanuary: 46 cm51 cmFebruary: 51 cm50 cmMarch: 50 cm39 cmApril: 39 cm22 cmMay: 22 cm7 cmJune: 7 cm1 cmJuly: 1 cm0 cmAugust: 0 cm0 cmSeptember: 0 cm1 cmOctober: 1 cm8 cmNovember: 8 cm28 cmDecember: 28 cm

Mean snow depth on the ground (cm)

Jan 46 cm
Feb 51 cm
Mar 50 cm
Apr 39 cm
May 22 cm
Jun 7 cm
Jul 1 cm
Aug 0 cm
Sep 0 cm
Oct 1 cm
Nov 8 cm
Dec 28 cm

Spatial mean over the whole area, weighted by area (cosine of the latitude), not by population: indicative only, since the climate varies a lot within an area (coasts, plains, mountains). Look at the cities for the weather you will find.

Tourist areas

Cities