Nampa weather in June

In June, Nampa sees average daytime highs of 83°F and overnight lows near 56°F, with 0.6 in of rain across 3.4 wet days and about 15.2 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 79°F in the first days to 88°F by the end. The sky is clear or mostly clear about 52% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 hours at the start of June to 15 h 12 min by month's end. Set against the rest of the year, June is Nampa's 4th-clearest and 4th-windiest month. For the whole year in context, see Nampa's year-round climate.

Daytime high
83°
3rd warmest
Overnight low
56°
10th coldest
Rainfall
0.6 in
3.4 wet days
Daylight
15 h 12 min
5:10 AM – 8:23 PM
Cloud cover
41%
4th clearest
Wind
6 mph
4th windiest
Solar energy
7.73 kWh/m²
Travel score
7.0
out of 10

Nampa is city in Canyon County, Idaho, United States.

Density
1,031/km²
people per km²
Founded
1886

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 79°F in the first days to 88°F by the end.

A typical June day in Nampa reaches about 83°F in the afternoon and slips back to 56°F overnight — a 26°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 95°F. Set against its neighbours, June runs about 9°F warmer than May and about 10°F cooler than July.

40°60°80°100°151015202530
Avg high (°F)Avg low (°F)
17853
27854
37954
47954
57954
67954
78054
88054
98054
108055
118055
128155
138155
148155
158255
168256
178356
188356
198356
208457
218557
228557
238558
248658
258759
268759
278759
288860
298860
308960

How June really feels in Nampa

Once humidity and wind are folded in, June 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

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

Nampa weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 9th-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 June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 18% of June, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35842
45941
55941
65941
76040
86040
96139
106238
116337
126535
136634
146832
156832
167030
177129
187327
197327
207525
217624
227822
237921
247921
258119
268218
278317
288416
298416
308416

Chance of precipitation in June

Any precipitation

Nampa gets around 0.6 in of rain over 3.4 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 11% and peaks near 17% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
117
216
316
416
515
615
714
814
914
1013
1113
1212
1312
1411
1511
1610
1710
1810
199
209
219
228
238
247
257
266
276
286
295
305

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June 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%151015202530
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
22991
23991
24991
25991
26991
27991
28991
29991
30991

Wind in June

Winds average 6 mph in June.

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

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 hours at the start of June to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 5:14 AM to 5:13 AM, and sunset from 8:13 PM to 8:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.05:148:13
215.05:148:14
315.05:138:15
415.15:138:16
515.15:128:17
615.15:128:17
715.15:118:18
815.15:118:19
915.15:118:19
1015.25:118:20
1115.25:108:21
1215.25:108:21
1315.25:108:22
1415.25:108:22
1515.25:108:23
1615.25:108:23
1715.25:108:24
1815.25:108:24
1915.25:108:24
2015.25:108:25
2115.25:108:25
2215.25:108:25
2315.25:118:25
2415.25:118:25
2515.25:118:26
2615.25:118:26
2715.25:128:26
2815.25:128:26
2915.25:138:26
3015.25:138:26

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 7.73 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 — June's 7.73 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.4Intense
47.4Intense
57.4Intense
67.4Intense
77.5Intense
87.5Intense
97.5Intense
107.6Intense
117.6Intense
127.6Intense
137.7Intense
147.7Intense
157.7Intense
167.8Intense
177.8Intense
187.8Intense
197.9Intense
207.9Intense
217.9Intense
228.0Intense
238.0Intense
248.0Intense
258.0Intense
268.0Intense
278.1Intense
288.1Intense
298.1Intense
308.1Intense
Planning a trip in June

Is June a good time to visit Nampa?

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

7.0
Sightseeing
3rd-best month of the year
7.9
Beach & pool
3rd-best month of the year

June is one of the better times to visit Nampa for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Nampa in June

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

In June, Nampa sees daytime highs around 83°F and nights near 56°F. Pack light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Nampa in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nampa 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 Nampa in June

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Nampa 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 Nampa?

Nampa sits at 43.5°N, 116.6°W, 2,516 ft above sea level, in United States. The nearest listed city is Kuna, 8.1 mi away.

Topography around Nampa

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

Within 2 miles, the terrain around Nampa has only modest variations in elevation — a maximum elevation change of 144 ft around an average of 2,533 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 935 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,247 ft.

The land around Nampa is covered by artificial surfaces (35%) and trees (24%) within 2 miles, cropland (48%) and grassland (21%) within 10 miles, and grassland (68%) within 50 miles.

2 miles
144 ft
10 miles
935 ft
50 miles
6,247 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Kuna 8.1 mi · Meridian 9.9 mi · Caldwell 11 mi · Eagle 15 mi · Boise 19 mi · Twin Falls 126 mi · Pendleton 183 mi · Elko 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 Nampa (43.5407°, -116.5635°, elevation 2,516 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).