Climateby Month

Spokane, WA climate by month

NOAA 1991-2020 normals · 1,870 ft elevation · also covers Spokane Valley

Summers in Spokane are warm; winters are cold and snowy. Highs peak at 84°F in July and fall to 34°F in December. The wettest month is January (about 14 wet days) and the driest is August (about 3). Normal snowfall is about 45 in a year. The most comfortable time to visit is June.

Warmest month
84°F
July normal high
Coldest month
24°F
December normal low
Wet days a year
113
16.4 in of precipitation
Snow a year
45.4 in
normal snowfall

How warm is Spokane?

Normal highs range from 34°F in December to 84°F in July.

20°40°60°80°100° January: normal high 35°F (2°C), low 25°F (-4°C) February: normal high 40°F (4°C), low 26°F (-3°C) March: normal high 49°F (9°C), low 32°F (0°C) April: normal high 57°F (14°C), low 37°F (3°C) May: normal high 67°F (19°C), low 45°F (7°C) June: normal high 74°F (23°C), low 51°F (11°C) July: normal high 84°F (29°C), low 58°F (14°C) 84° 58° August: normal high 84°F (29°C), low 57°F (14°C) September: normal high 74°F (23°C), low 49°F (9°C) October: normal high 58°F (14°C), low 38°F (3°C) November: normal high 42°F (6°C), low 30°F (-1°C) December: normal high 34°F (1°C), low 24°F (-4°C) 34° 24° JFMAMJJASOND

Bars run from the normal low to the normal high for each month.

How rainy is Spokane?

January has the most wet days (about 14); the year brings about 16 in of precipitation.

January: 14 wet days 14 February: 11 wet days March: 12 wet days April: 10 wet days May: 10 wet days June: 8 wet days July: 4 wet days August: 3 wet days 3 September: 5 wet days October: 9 wet days November: 13 wet days December: 14 wet days JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How much does it snow?

Normal snowfall is 45.4 in a year, most of it in December.

January: 12.3 in of snow February: 7.8 in of snow March: 3.9 in of snow April: 0.7 in of snow May: 0.1 in of snow June: 0.0 in of snow 0.0 July: 0.0 in of snow August: 0.0 in of snow September: 0.1 in of snow October: 0.5 in of snow November: 6.2 in of snow December: 13.8 in of snow 13.8 JFMAMJJASOND

How humid is Spokane?

Muggy days (dew point 65°F or higher) are rare in any month.

January: 0 muggy days 0 February: 0 muggy days March: 0 muggy days April: 0 muggy days May: 0 muggy days June: 0 muggy days July: 0 muggy days August: 0 muggy days September: 0 muggy days October: 0 muggy days November: 0 muggy days December: 0 muggy days JFMAMJJASOND

Muggy day: daily mean dew point of 65°F or higher, from hourly observations 1991-2020 at Spokane International Airport, 5.4 mi WSW of the city center.

How much daylight?

Daylight ranges from about 8.5 hours in December to 15.9 hours in June.

January: 8.9 hours of daylight February: 10.3 hours of daylight March: 11.9 hours of daylight April: 13.7 hours of daylight May: 15.2 hours of daylight June: 15.9 hours of daylight 15.9 July: 15.5 hours of daylight August: 14.2 hours of daylight September: 12.6 hours of daylight October: 10.8 hours of daylight November: 9.3 hours of daylight December: 8.5 hours of daylight 8.5 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Spokane, 1991-2020
MonthHighLowPrecip.Wet daysSnowMuggy daysDaylight
January 35°F25°F 2.0 in14 12.3 in 0 8.9 h
February 40°F26°F 1.4 in11 7.8 in 0 10.3 h
March 49°F32°F 1.8 in12 3.9 in 0 11.9 h
April 57°F37°F 1.3 in10 0.7 in 0 13.7 h
May 67°F45°F 1.6 in10 0.1 in 0 15.2 h
June 74°F51°F 1.2 in8 0.0 in 0 15.9 h
July 84°F58°F 0.4 in4 0.0 in 0 15.5 h
August 84°F57°F 0.5 in3 0.0 in 0 14.2 h
September 74°F49°F 0.6 in5 0.1 in 0 12.6 h
October 58°F38°F 1.4 in9 0.5 in 0 10.8 h
November 42°F30°F 2.1 in13 6.2 in 0 9.3 h
December 34°F24°F 2.3 in14 13.8 in 0 8.5 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Spokane

By our comfort score, the best month is June.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 240724
Feb 340515
Mar 45174
Apr 60540
May 761540
Jun 801842
Jul 651029
Aug 641018
Sep 741721
Oct 54641
Nov 320712
Dec 230726

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. How the score works.

Frost dates in Spokane

The last spring frost typically comes around Apr 26, and the first fall frost around Oct 15, leaving 170 frost-free days in a typical year.

Frost and freeze dates for Spokane
Typical date1 year in 10
Last spring frost (32°F)Apr 26after May 10
First fall frost (32°F)Oct 15before Sep 30
Last hard freeze (28°F)Apr 4after Apr 26
First hard freeze (28°F)Oct 27before Oct 11
Frost-free season170 daysunder 149 days

"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.

Station: Spokane Felts Fld (USW00094176), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Washington.

Hottest and coldest readings, 1991-2020

The highest reading was 105°F (June 28, 2015); the lowest was -24°F (February 2, 1996).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Similar climates elsewhere

Also covers

Spokane Valley uses the same temperature and rain stations as Spokane, so its monthly numbers are the ones on this page.

Where the numbers come from

  • Temperature, rain, snowfall and snow depth: Spokane Intl Airport (USW00024157), 5.4 mi WSW of the city center, 2,353 ft (483 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Frost dates and humidity and wind by hour: Spokane Felts Fld (USW00094176), 5.2 mi ENE of the city center, 1,953 ft (83 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Spokane International Airport (727850-24157), 5.4 mi WSW of the city center, 2,355 ft (485 ft higher than the city). Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).

Distances from the city center (USGS). Methodology · Report an error