Kuna weather in May

In May, Kuna sees average daytime highs of 74°F and overnight lows near 49°F, with 1.1 in of rain across 5.9 wet days and about 14.5 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 70°F in the first days to 77°F by the end. The sky is clear or mostly clear about 37% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 54 min at the start of May to 15 hours by month's end. Set against the rest of the year, May is Kuna's 6th-clearest and 3rd-windiest month. For the whole year in context, see Kuna's year-round climate.

Daytime high
74°
5th warmest
Overnight low
49°
8th coldest
Rainfall
1.1 in
5.9 wet days
Daylight
14 h 30 min
5:27 AM – 7:57 PM
Cloud cover
52%
6th clearest
Wind
6 mph
3rd windiest
Solar energy
7.01 kWh/m²
Travel score
7.5
out of 10

Kuna is city in Ada County, Idaho, United States.

Density
366/km²
people per km²

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 70°F in the first days to 77°F by the end.

A typical May day in Kuna reaches about 74°F in the afternoon and slips back to 49°F overnight — a 24°F spread between the day's warmth and the night's chill. On most days the high lands between 60°F and 88°F. Set against its neighbours, May runs about 9°F warmer than April and about 9°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16945
27045
37046
47046
57146
67147
77147
87247
97247
107248
117348
127349
137349
147349
157449
167450
177450
187450
197550
207551
217551
227551
237651
247652
257652
267652
277752
287753
297753
307853
317853

How May really feels in Kuna

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.

Kuna weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan41° / 28°1.694.19.10.1
Feb47° / 31°1.07.32.210.21.6
Mar57° / 37°1.28.60.711.64.1
Apr64° / 42°1.16.40.113.26.2
May74° / 49°1.15.9014.57.5
Jun83° / 56°0.63.4015.27.0
Jul93° / 64°0.11014.94.0
Aug91° / 62°0.10.9013.84.6
Sep81° / 54°0.42012.37.9
Oct66° / 43°0.84.2010.87.0
Nov50° / 34°1.27.31.49.52.5
Dec40° / 28°1.69.348.80.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% 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 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45842
55842
65743
75644
85743
95644
105545
115545
125446
135446
145446
155347
165248
175248
185347
195347
205347
215347
225446
235446
245545
255545
265644
275644
285743
295743
305743
315842

Chance of precipitation in May

Any precipitation

Kuna gets around 1.1 in of rain over 5.9 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 19% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
117
217
317
417
517
617
718
818
919
1019
1120
1220
1320
1421
1521
1621
1721
1821
1921
2020
2120
2220
2320
2419
2519
2619
2718
2818
2918
3017
3117

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 (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
29991
30991
31991

Wind in May

Winds average 6 mph in May.

Across May, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 54 min at the start of May to 15 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over May. Sunrise moves from 5:46 AM to 5:14 AM, and sunset from 7:40 PM to 8:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:467:40
213.95:457:41
314.05:437:42
414.05:427:43
514.15:407:44
614.15:397:46
714.25:387:47
814.25:367:48
914.25:357:49
1014.35:347:50
1114.35:337:51
1214.45:317:52
1314.45:307:54
1414.45:297:55
1514.55:287:56
1614.55:277:57
1714.55:267:58
1814.65:257:59
1914.65:248:00
2014.65:238:01
2114.75:228:02
2214.75:218:03
2314.75:208:04
2414.85:198:05
2514.85:188:06
2614.85:188:07
2714.95:178:08
2814.95:168:09
2914.95:168:10
3014.95:158:11
3115.05:148:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.01 kWh/m².

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 8.02 kWh/m² in July across the year — May's 7.01 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.9Intense
116.9Intense
126.9Intense
136.9Intense
146.9Intense
156.9Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
207.0Intense
217.1Intense
227.1Intense
237.1Intense
247.2Intense
257.2Intense
267.2Intense
277.2Intense
287.3Intense
297.3Intense
307.3Intense
317.3Intense
Planning a trip in May

Is May a good time to visit Kuna?

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

7.5
Sightseeing
2nd-best month of the year
5.9
Beach & pool
5th-best month of the year

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

What to pack for Kuna in May

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

In May, Kuna sees daytime highs around 74°F and nights near 49°F. Pack sun protection. Worth having: light clothes. About 6 days see rain.

sun protectionlight clothes

UV index in Kuna in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kuna peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 13UV 9Dec 14UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr5High
May8Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Kuna 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 Kuna is worst in August — around 45 µg/m³ PM2.5 (poor), about 6.0× the cleanest month (December, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodAug 1742 µg/m³Dec 208 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar10Good
Apr10Good
May10Good
Jun8Good
Jul20Moderate
Aug45Poor
Sep21Moderate
Oct15Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Kuna?

Kuna sits at 43.5°N, 116.4°W, 2,694 ft above sea level, in United States. The nearest listed city is Nampa, 8.1 mi away.

Topography around Kuna

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

Within 2 miles, the terrain around Kuna has only modest variations in elevation — a maximum elevation change of 184 ft around an average of 2,697 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 751 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,864 ft.

The land around Kuna is covered by cropland (33%), grassland (24%) and artificial surfaces (23%) within 2 miles, grassland (40%) and cropland (34%) within 10 miles, and grassland (66%) within 50 miles.

2 miles
184 ft
10 miles
751 ft
50 miles
6,864 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Nampa 8.1 mi · Meridian 8.7 mi · Boise 14 mi · Eagle 14 mi · Caldwell 18 mi · Twin Falls 118 mi · Elko 187 mi · Pendleton 191 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 Kuna (43.4918°, -116.4201°, elevation 2,694 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).