Yakima County climate

Yakima County Weather in May

NOAA 1991-2020 normals for Yakima Air Terminal, 19.5 km from Yakima County

Average highs run from 70°F on May 1 to 77°F on May 31, and lows from 39°F to 47°F. Normal precipitation for the month is 0.74 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 Yakima County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
74°F
Average low
44°F
Precipitation
0.74 in
Record high
102°FMay 30, 1986
Record low
25°FMay 1, 1954
Chance of a freeze
68%
Days of 90°F or more
1.7
Daylight
14 h 24 min to 15 h 33 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°F39°F88°F 199825°F 195418%0%
May 270°F39°F88°F 197126°F 194818%0%
May 371°F40°F87°F 196627°F 195919%0%
May 471°F40°F90°F 196626°F 197519%0%
May 571°F40°F94°F 196627°F 195919%0%
May 672°F41°F93°F 199227°F 200019%0%
May 772°F41°F93°F 198727°F 200219%0%
May 872°F41°F94°F 201325°F 199919%0%
May 973°F42°F95°F 194927°F 199919%0%
May 1073°F42°F97°F 201325°F 199919%0%
May 1173°F42°F98°F 194927°F 197019%0%
May 1273°F43°F98°F 194927°F 198519%0%
May 1374°F43°F96°F 194928°F 196419%0%
May 1474°F43°F95°F 197326°F 196420%0%
May 1574°F44°F94°F 201232°F 198620%0%
May 1675°F44°F97°F 200627°F 197420%0%
May 1775°F44°F98°F 200829°F 200320%0%
May 1875°F44°F97°F 200630°F 197220%0%
May 1975°F45°F95°F 202329°F 198720%0%
May 2075°F45°F94°F 202332°F 195320%0%
May 2176°F45°F93°F 195831°F 196020%0%
May 2276°F45°F95°F 195827°F 196020%0%
May 2376°F46°F98°F 200126°F 196420%0%
May 2476°F46°F94°F 199930°F 198920%0%
May 2576°F46°F95°F 194731°F 197320%0%
May 2676°F46°F98°F 195831°F 197320%0%
May 2777°F46°F91°F 194732°F 197320%0%
May 2877°F47°F97°F 198329°F 197620%0%
May 2977°F47°F101°F 198329°F 200120%0%
May 3077°F47°F102°F 198633°F 198820%0%
May 3177°F47°F99°F 198631°F 195520%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Yakima County, 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 5:48 AM, sunset 8:12 PM
May 31
sunrise 5:14 AM, sunset 8:47 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024243 (Yakima Air Terminal), public domain. Records: NOAA GHCN-Daily, station USW00024243, 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.