Yakima weather in May

In May, Yakima sees average daytime highs of 72°F and overnight lows near 46°F, with 0.7 in of rain across 4.3 wet days and about 14.8 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 68°F in the first days to 75°F by the end. The sky is clear or mostly clear about 34% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of May to 15 h 18 min by month's end. Set against the rest of the year, May is Yakima's 6th-clearest and 3rd-windiest month. For the whole year in context, see Yakima's year-round climate.

Daytime high
72°
5th warmest
Overnight low
46°
8th coldest
Rainfall
0.7 in
4.3 wet days
Daylight
14 h 48 min
4:34 AM – 7:22 PM
Cloud cover
55%
6th clearest
Wind
5 mph
3rd windiest
Solar energy
6.77 kWh/m²
Travel score
7.6
out of 10

Yakima is city in and county seat of Yakima County, Washington, United States.

Density
1,284/km²
people per km²
Founded
1847

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 68°F in the first days to 75°F by the end.

A typical May day in Yakima reaches about 72°F in the afternoon and slips back to 46°F overnight — a 26°F spread between the day's warmth and the night's chill. On most days the high lands between 61°F and 85°F. Set against its neighbours, May runs about 10°F warmer than April and about 8°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16742
26742
36842
46843
56943
66943
76944
87044
97044
107045
117145
127145
137146
147246
157246
167247
177247
187347
197347
207348
217348
227448
237448
247449
257449
267549
277549
287549
297650
307650
317650

How May really feels in Yakima

Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Yakima weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan38° / 26°2.310.95.68.80.0
Feb44° / 28°1.67.53.1100.9
Mar53° / 33°1.37.51.311.63.3
Apr62° / 38°0.84.70.113.35.8
May72° / 46°0.74.3014.87.6
Jun80° / 53°0.42.5015.67.8
Jul88° / 58°0.10.8015.25.7
Aug87° / 57°0.10.80146.2
Sep77° / 49°0.31.9012.48.4
Oct62° / 40°1.25.50.110.65.9
Nov47° / 31°2.092.29.21.5
Dec38° / 26°2.610.968.40.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35644
45644
55545
65545
75545
85347
95347
105248
115149
125149
135050
144951
154852
164951
174852
184852
194951
205050
215050
225149
235248
245347
255446
265446
275545
285644
295644
305743
315644

Chance of precipitation in May

Any precipitation

Yakima gets around 0.7 in of rain over 4.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 14% and peaks near 16% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
112
211
311
411
511
611
712
812
912
1013
1114
1214
1315
1415
1516
1616
1716
1816
1916
2016
2116
2216
2315
2415
2515
2614
2713
2813
2913
3012
3112

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in May

Winds average 5 mph in May.

Across May, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 06 min at the start of May to 15 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over May. Sunrise moves from 4:56 AM to 4:20 AM, and sunset from 7:03 PM to 7:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.14:567:03
214.24:547:04
314.24:537:05
414.34:517:07
514.34:497:08
614.44:487:09
714.44:467:11
814.54:457:12
914.54:447:13
1014.54:427:15
1114.64:417:16
1214.64:397:17
1314.74:387:19
1414.74:377:20
1514.84:357:21
1614.84:347:22
1714.84:337:24
1814.94:327:25
1914.94:317:26
2015.04:307:27
2115.04:297:28
2215.04:287:29
2315.14:277:31
2415.14:267:32
2515.14:257:33
2615.24:247:34
2715.24:237:35
2815.24:227:36
2915.34:217:37
3015.34:217:38
3115.34:207:39

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.77 kWh/m².

For context, solar energy here swings from a low near 1.31 kWh/m² to a high of 7.84 kWh/m² in July across the year — May's 6.77 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.5Intense
36.5Intense
46.5Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.9Intense
236.9Intense
246.9Intense
257.0Intense
267.0Intense
277.0Intense
287.0Intense
297.1Intense
307.1Intense
317.1Intense
Planning a trip in May

Is May a good time to visit Yakima?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.6
Sightseeing
3rd-best month of the year
5.3
Beach & pool
5th-best month of the year

May is one of the better times to visit Yakima for general sightseeing.

What to pack for Yakima in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Yakima sees daytime highs around 72°F and nights near 46°F. Pack sun protection. Worth having: light clothes and a warm layer. About 4 days see rain.

sun protectionlight clothesa warm layer

UV index in Yakima in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yakima peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowJul 17UV 8Dec 12UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May7Very high
Jun6High
Jul9Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Yakima in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Yakima is worst in August — around 51 µg/m³ PM2.5 (poor), about 10.9× the cleanest month (December, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodPoorModerateGoodAug 1948 µg/m³Dec 215 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb6Good
Mar8Good
Apr8Good
May8Good
Jun8Good
Jul11Good
Aug51Poor
Sep31Moderate
Oct8Good
Nov7Good
Dec5Good
Location & terrain

Where is Yakima?

Yakima sits at 46.6°N, 120.5°W, 1,070 ft above sea level, in United States. The nearest listed city is Ellensburg, 27 mi away.

Topography around Yakima

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Yakima.

Within 2 miles, the terrain around Yakima has only modest variations in elevation — a maximum elevation change of 669 ft around an average of 1,076 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,356 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,533 ft.

The land around Yakima is covered by artificial surfaces (58%) within 2 miles, grassland (64%) within 10 miles, and grassland (51%) and trees (35%) within 50 miles.

2 miles
669 ft
10 miles
2,356 ft
50 miles
7,533 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Ellensburg 27 mi · Sunnyside 30 mi · Wenatchee 58 mi · Richland 62 mi · Tri-Cities 67 mi · Moses Lake 68 mi · Kennewick 71 mi · Pasco 71 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Yakima (46.6021°, -120.5059°, elevation 1,070 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).