Hermiston weather in June

In June, Hermiston sees average daytime highs of 81°F and overnight lows near 57°F, with 0.6 in of rain across 3.3 wet days and about 15.5 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 78°F in the first days to 86°F by the end. The sky is clear or mostly clear about 50% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 h 18 min at the start of June to 15 h 30 min by month's end. Set against the rest of the year, June is Hermiston's 4th-clearest and 1st-windiest month. For the whole year in context, see Hermiston's year-round climate.

Daytime high
81°
3rd warmest
Overnight low
57°
10th coldest
Rainfall
0.6 in
3.3 wet days
Daylight
15 h 30 min
4:12 AM – 7:43 PM
Cloud cover
43%
4th clearest
Wind
9 mph
1st windiest
Solar energy
7.45 kWh/m²
Travel score
7.4
out of 10

Hermiston is city in Oregon, USA.

Density
815/km²
people per km²
Founded
1907

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 78°F in the first days to 86°F by the end.

A typical June day in Hermiston reaches about 81°F in the afternoon and slips back to 57°F overnight — a 25°F spread between the day's warmth and the night's chill. On most days the high lands between 69°F and 94°F. Set against its neighbours, June runs about 7°F warmer than May and about 9°F cooler than July.

40°60°80°100°151015202530
Avg high (°F)Avg low (°F)
17854
27855
37855
47855
57855
67855
77955
87955
97955
107955
117955
127955
138056
148056
158056
168156
178156
188157
198257
208257
218358
228358
238458
248458
258559
268559
278660
288660
298660
308760

How June really feels in Hermiston

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.

Hermiston 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
Jan42° / 31°1.59.52.28.90.3
Feb48° / 33°1.27.71.510.11.8
Mar56° / 38°1.38.30.311.64.0
Apr65° / 44°1.06.3013.36.2
May74° / 51°0.95.4014.77.6
Jun81° / 57°0.63.3015.57.4
Jul91° / 63°0.11015.24.9
Aug89° / 62°0.21013.95.3
Sep79° / 55°0.32.2012.38.1
Oct65° / 45°1.05.90.110.76.5
Nov50° / 36°1.48.70.79.32.3
Dec42° / 31°1.69.62.68.50.2

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% 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 32%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35842
45941
55941
66040
76040
86139
96238
106238
116337
126436
136436
146535
156634
166733
176733
186931
197030
207030
217228
227228
237426
247426
257624
267822
277822
288020
298119
308218

Chance of precipitation in June

Any precipitation

Hermiston gets around 0.6 in of rain over 3.3 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 15% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
115
215
315
415
514
614
714
814
913
1013
1112
1212
1312
1411
1511
1610
1710
189
199
209
219
228
238
248
257
267
277
286
296
306

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 99% 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
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991

Wind in June

Winds average 9 mph in June, the windiest month of the year.

Across June, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
18light breeze
28light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 18 min at the start of June to 15 h 30 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 4:17 AM to 4:15 AM, and sunset from 7:32 PM to 7:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.34:177:32
215.34:177:33
315.34:167:34
415.34:157:35
515.34:157:36
615.44:147:36
715.44:147:37
815.44:147:38
915.44:137:39
1015.44:137:39
1115.54:137:40
1215.54:137:41
1315.54:127:41
1415.54:127:42
1515.54:127:42
1615.54:127:43
1715.54:127:43
1815.54:127:44
1915.54:127:44
2015.54:127:44
2115.54:127:44
2215.54:137:45
2315.54:137:45
2415.54:137:45
2515.54:137:45
2615.54:147:45
2715.54:147:45
2815.54:147:45
2915.54:157:45
3015.54:157:45

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 7.45 kWh/m².

For context, solar energy here swings from a low near 1.29 kWh/m² to a high of 7.88 kWh/m² in July across the year — June's 7.45 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
17.1Intense
27.1Intense
37.2Intense
47.2Intense
57.2Intense
67.2Intense
77.2Intense
87.3Intense
97.3Intense
107.3Intense
117.3Intense
127.4Intense
137.4Intense
147.4Intense
157.4Intense
167.5Intense
177.5Intense
187.5Intense
197.5Intense
207.6Intense
217.6Intense
227.6Intense
237.7Intense
247.7Intense
257.7Intense
267.7Intense
277.8Intense
287.8Intense
297.8Intense
307.8Intense
Planning a trip in June

Is June a good time to visit Hermiston?

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

7.4
Sightseeing
3rd-best month of the year
7.9
Beach & pool
4th-best month of the year

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

What to pack for Hermiston in June

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

In June, Hermiston sees daytime highs around 81°F and nights near 57°F. Pack light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Hermiston in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Hermiston peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 16UV 8Dec 15UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7Very high
Jun7High
Jul8Very high
Aug6High
Sep5Moderate
Oct4Moderate
Nov1Low
Dec1Low

Air quality in Hermiston 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 Hermiston is worst in August — around 25 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1924 µg/m³Dec 217 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr10Good
May9Good
Jun9Good
Jul15Moderate
Aug25Moderate
Sep20Moderate
Oct11Good
Nov10Good
Dec7Good
Location & terrain

Where is Hermiston?

Hermiston sits at 45.8°N, 119.3°W, 459 ft above sea level, in United States. The nearest listed city is Kennewick, 27 mi away.

Topography around Hermiston

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

Within 2 miles, the terrain around Hermiston has only modest variations in elevation — a maximum elevation change of 236 ft around an average of 509 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 932 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,659 ft.

The land around Hermiston is covered by grassland (45%) and artificial surfaces (29%) within 2 miles, grassland (45%) and cropland (41%) within 10 miles, and grassland (54%) and cropland (35%) within 50 miles.

2 miles
236 ft
10 miles
932 ft
50 miles
5,659 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Kennewick 27 mi · Pendleton 27 mi · Tri-Cities 29 mi · Pasco 29 mi · Richland 31 mi · Sunnyside 48 mi · Walla Walla 48 mi · Yakima 78 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 Hermiston (45.8404°, -119.2895°, elevation 459 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).