Spokane climate

Spokane Weather in May

NOAA 1991-2020 normals for Spokane Intl AP, 8.6 km from Spokane

Average highs run from 62°F on May 1 to 71°F on May 31, and lows from 41°F to 49°F. Normal precipitation for the month is 1.55 in over about 10 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Spokane, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
67°F
Average low
45°F
Precipitation
1.55 in
Snowfall
0.1 in
Record high
94°FMay 17, 2006
Record low
28°FMay 8, 2002
Chance of a freeze
35%
Daylight
14 h 30 min to 15 h 43 min
Cloud cover
64%
Humidity
64%
Dew point
41°F
Wind
7.4 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 162°F41°F80°F 201429°F 201331%2%
May 263°F41°F87°F 202330°F 200131%2%
May 363°F41°F87°F 202331°F 200631%2%
May 464°F41°F85°F 201730°F 199931%1%
May 564°F42°F80°F 201329°F 201031%1%
May 664°F42°F88°F 202130°F 199931%1%
May 765°F42°F86°F 201331°F 200031%1%
May 865°F43°F86°F 200728°F 200231%1%
May 965°F43°F87°F 201328°F 199931%1%
May 1066°F43°F89°F 201328°F 199931%1%
May 1166°F44°F88°F 201330°F 199931%1%
May 1266°F44°F85°F 200133°F 201231%1%
May 1367°F44°F85°F 202331°F 200631%1%
May 1467°F45°F87°F 201234°F 200431%1%
May 1567°F45°F91°F 200635°F 200231%1%
May 1668°F45°F92°F 200636°F 200231%1%
May 1768°F46°F94°F 200634°F 200331%1%
May 1868°F46°F93°F 200633°F 200332%1%
May 1968°F46°F89°F 202333°F 200332%1%
May 2069°F46°F91°F 202337°F 199932%1%
May 2169°F47°F84°F 201535°F 200932%1%
May 2269°F47°F86°F 200134°F 201032%1%
May 2369°F47°F92°F 200135°F 201331%1%
May 2469°F47°F93°F 200332°F 201031%1%
May 2570°F47°F90°F 202538°F 200731%1%
May 2670°F48°F87°F 200139°F 199931%1%
May 2770°F48°F85°F 200138°F 201131%1%
May 2870°F48°F93°F 202541°F 201131%0%
May 2970°F48°F90°F 201738°F 200131%0%
May 3070°F48°F92°F 201739°F 200031%0%
May 3171°F49°F90°F 202540°F 202431%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Spokane, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 5:32 AM, sunset 8:02 PM
May 31
sunrise 4:56 AM, sunset 8:39 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024157 (Spokane Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00094176, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.