Toppenish climate

Toppenish Weather in May

NOAA 1991-2020 normals for Wapato, 10.7 km from Toppenish

Average highs run from 70°F on May 1 to 78°F on May 31, and lows from 42°F to 51°F. Normal precipitation for the month is 0.83 in over about 6 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 Toppenish, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
75°F
Average low
47°F
Precipitation
0.83 in
Record high
104°FMay 31, 1986
Record low
24°FMay 2, 1899
Chance of a freeze
23%
Days of 90°F or more
1.7
Daylight
14 h 24 min to 15 h 32 min
Cloud cover
64%
Humidity
62%
Dew point
39°F
Wind
6.9 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 170°F42°F89°F 195727°F 191319%0%
May 270°F42°F91°F 193724°F 189919%0%
May 371°F43°F90°F 193729°F 192819%0%
May 471°F43°F90°F 196629°F 191719%0%
May 572°F43°F95°F 196628°F 192419%0%
May 672°F44°F98°F 196628°F 201019%0%
May 772°F44°F96°F 199228°F 193019%0%
May 872°F44°F96°F 198729°F 192219%0%
May 973°F45°F97°F 198725°F 192219%0%
May 1073°F45°F96°F 192430°F 190920%0%
May 1173°F45°F97°F 192426°F 191620%0%
May 1274°F46°F98°F 193131°F 189920%0%
May 1374°F46°F97°F 193131°F 191620%0%
May 1474°F46°F96°F 193932°F 194320%0%
May 1575°F46°F97°F 192432°F 191520%0%
May 1675°F47°F95°F 192430°F 191721%0%
May 1775°F47°F99°F 200631°F 189621%0%
May 1875°F47°F99°F 200631°F 194121%0%
May 1976°F48°F97°F 195632°F 189821%0%
May 2076°F48°F93°F 192830°F 192721%0%
May 2176°F48°F97°F 192832°F 191821%0%
May 2276°F49°F94°F 191031°F 192021%0%
May 2376°F49°F96°F 191031°F 191121%0%
May 2477°F49°F101°F 200131°F 192621%0%
May 2577°F49°F97°F 200132°F 191821%0%
May 2677°F50°F99°F 193633°F 192221%0%
May 2777°F50°F99°F 195833°F 192221%0%
May 2877°F50°F101°F 193433°F 189521%0%
May 2978°F50°F99°F 189732°F 192021%0%
May 3078°F51°F101°F 198631°F 192320%0%
May 3178°F51°F104°F 198634°F 191920%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Toppenish, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 5:47 AM, sunset 8:11 PM
May 31
sunrise 5:13 AM, sunset 8:45 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00458959 (Wapato), public domain. Records: NOAA GHCN-Daily, station USC00458207, 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.