Tri-Cities weather in June

In June, Tri-Cities sees average daytime highs of 84°F and overnight lows near 58°F, with 0.5 in of rain across 2.8 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 81°F in the first days to 89°F by the end. The sky is clear or mostly clear about 46% 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 36 min by month's end. Set against the rest of the year, June is Tri-Cities's 4th-clearest and 2nd-windiest month. For the whole year in context, see Tri-Cities's year-round climate.

Daytime high: 84°; 3rd warmest
Overnight low: 58°; 10th coldest
Rainfall: 0.5 in; 2.8 wet days
Daylight: 15 h 36 min; 4:10 AM – 7:44 PM
Cloud cover: 46%; 4th clearest
Wind: 7 mph; 2nd windiest
Solar energy: 7.52 kWh/m²
Travel score: 6.6; out of 10

← May Tri-Cities year-round climate July →Best places to visit in June

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 81°F in the first days to 89°F by the end.

A typical June day in Tri-Cities reaches about 84°F in the afternoon and slips back to 58°F overnight — a 27°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 97°F. Set against its neighbours, June runs about 7°F warmer than May and about 9°F cooler than July.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°F)	81	81	81	82	82	82	82	82	82	82	82	83	83	83	83	84	84	84	85	85	86	86	87	87	88	88	88	89	89	90
Avg low (°F)	56	56	56	56	56	56	56	56	56	56	56	57	57	57	57	57	58	58	58	58	59	59	59	60	60	60	60	61	61	61

	Avg high (°F)	Avg low (°F)
1	81	56
2	81	56
3	81	56
4	82	56
5	82	56
6	82	56
7	82	56
8	82	56
9	82	56
10	82	56
11	82	56
12	83	57
13	83	57
14	83	57
15	83	57
16	84	57
17	84	58
18	84	58
19	85	58
20	85	58
21	86	59
22	86	59
23	87	59
24	87	60
25	88	60
26	88	60
27	88	60
28	89	61
29	89	61
30	90	61

How June really feels in Tri-Cities

Once humidity and wind are folded in, June averages 1 day 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

heat index over the day's high

Days feeling ≤ 32°F

wind chill below the day's low

The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Tri-Cities 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.

Month	High / Low (°F)	Rainfall (inches)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	41° / 29°	1.3	8.1	2.3	8.8	0.2
Feb	48° / 32°	0.9	6.2	1.3	10	2.0
Mar	58° / 38°	0.9	5.9	0.4	11.6	4.6
Apr	68° / 44°	0.7	4.9	0	13.3	6.9
May	77° / 52°	0.7	4.5	0	14.7	7.6
Jun	84° / 58°	0.5	2.8	0	15.5	6.6
Jul	93° / 64°	0.1	1	0	15.2	3.9
Aug	92° / 62°	0.2	1	0	14	4.5
Sep	81° / 54°	0.3	1.8	0	12.3	7.7
Oct	66° / 44°	0.9	5	0	10.7	6.7
Nov	50° / 35°	1.1	7.3	0.7	9.2	2.4
Dec	41° / 29°	1.4	8.4	2.4	8.5	0.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% 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 36%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	56	56	56	56	57	57	58	59	59	59	60	60	61	62	62	63	63	65	65	66	67	67	68	69	71	71	73	74	75	77
Cloudier (%)	44	44	44	44	43	43	42	41	41	41	40	40	39	38	38	37	37	35	35	34	33	33	32	31	29	29	27	26	25	23

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	56	44
5	57	43
6	57	43
7	58	42
8	59	41
9	59	41
10	59	41
11	60	40
12	60	40
13	61	39
14	62	38
15	62	38
16	63	37
17	63	37
18	65	35
19	65	35
20	66	34
21	67	33
22	67	33
23	68	32
24	69	31
25	71	29
26	71	29
27	73	27
28	74	26
29	75	25
30	77	23

Chance of precipitation in June

Any precipitation

Tri-Cities gets around 0.5 in of rain over 2.8 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 9% and peaks near 13% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	13	13	12	12	12	12	11	11	11	11	11	10	10	10	9	9	8	8	8	8	8	7	7	7	7	6	6	6	6	5

	Rain chance (%)
1	13
2	13
3	12
4	12
5	12
6	12
7	11
8	11
9	11
10	11
11	11
12	10
13	10
14	10
15	9
16	9
17	8
18	8
19	8
20	8
21	8
22	7
23	7
24	7
25	7
26	6
27	6
28	6
29	6
30	5

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	99	99	99	99	99	99
Comfortable (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1

Wind in June

Winds average 7 mph in June.

Across June, 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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (mph)	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	6	6	6	6	6	6	6
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (mph)	Feels
1	7	calm
2	7	calm
3	7	calm
4	7	calm
5	7	calm
6	7	calm
7	7	calm
8	7	calm
9	7	calm
10	7	calm
11	7	calm
12	7	calm
13	7	calm
14	7	calm
15	7	calm
16	7	calm
17	7	calm
18	7	calm
19	7	calm
20	7	calm
21	7	calm
22	7	calm
23	7	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 18 min at the start of June to 15 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over June. Sunrise moves from 4:15 AM to 4:13 AM, and sunset from 7:33 PM to 7:47 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	15.3	15.3	15.4	15.4	15.4	15.4	15.4	15.5	15.5	15.5	15.5	15.5	15.5	15.5	15.6	15.6	15.6	15.6	15.6	15.6	15.6	15.6	15.6	15.6	15.6	15.6	15.6	15.6	15.6	15.6
Sunrise (AM)	4:15	4:15	4:14	4:14	4:13	4:13	4:12	4:12	4:11	4:11	4:11	4:11	4:10	4:10	4:10	4:10	4:10	4:10	4:10	4:10	4:10	4:11	4:11	4:11	4:11	4:12	4:12	4:12	4:13	4:13
Sunset (PM)	7:33	7:34	7:35	7:36	7:37	7:38	7:38	7:39	7:40	7:41	7:41	7:42	7:42	7:43	7:43	7:44	7:44	7:45	7:45	7:45	7:46	7:46	7:46	7:46	7:46	7:47	7:47	7:47	7:47	7:47

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	15.3	4:15	7:33
2	15.3	4:15	7:34
3	15.4	4:14	7:35
4	15.4	4:14	7:36
5	15.4	4:13	7:37
6	15.4	4:13	7:38
7	15.4	4:12	7:38
8	15.5	4:12	7:39
9	15.5	4:11	7:40
10	15.5	4:11	7:41
11	15.5	4:11	7:41
12	15.5	4:11	7:42
13	15.5	4:10	7:42
14	15.5	4:10	7:43
15	15.6	4:10	7:43
16	15.6	4:10	7:44
17	15.6	4:10	7:44
18	15.6	4:10	7:45
19	15.6	4:10	7:45
20	15.6	4:10	7:45
21	15.6	4:10	7:46
22	15.6	4:11	7:46
23	15.6	4:11	7:46
24	15.6	4:11	7:46
25	15.6	4:11	7:46
26	15.6	4:12	7:47
27	15.6	4:12	7:47
28	15.6	4:12	7:47
29	15.6	4:13	7:47
30	15.6	4:13	7:47

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 7.52 kWh/m².

For context, solar energy here swings from a low near 1.26 kWh/m² to a high of 7.85 kWh/m² in July across the year — June's 7.52 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	7.2	7.2	7.3	7.3	7.3	7.3	7.3	7.4	7.4	7.4	7.4	7.4	7.5	7.5	7.5	7.5	7.6	7.6	7.6	7.6	7.7	7.7	7.7	7.7	7.8	7.8	7.8	7.8	7.8	7.9
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	7.2	Intense
2	7.2	Intense
3	7.3	Intense
4	7.3	Intense
5	7.3	Intense
6	7.3	Intense
7	7.3	Intense
8	7.4	Intense
9	7.4	Intense
10	7.4	Intense
11	7.4	Intense
12	7.4	Intense
13	7.5	Intense
14	7.5	Intense
15	7.5	Intense
16	7.5	Intense
17	7.6	Intense
18	7.6	Intense
19	7.6	Intense
20	7.6	Intense
21	7.7	Intense
22	7.7	Intense
23	7.7	Intense
24	7.7	Intense
25	7.8	Intense
26	7.8	Intense
27	7.8	Intense
28	7.8	Intense
29	7.8	Intense
30	7.9	Intense

Planning a trip in June

Is June a good time to visit Tri-Cities?

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

6.6

Sightseeing

5th-best month of the year

8.0

Beach & pool

2nd-best month of the year

June is a reasonable time to visit Tri-Cities for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Tri-Cities in June

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

In June, Tri-Cities sees daytime highs around 84°F and nights near 58°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Tri-Cities in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tri-Cities peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 1 (low).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	2	4	5	7	6	8	6	5	3	1	1
Level	Low	Low	Moderate	Moderate	Very high	High	Very high	High	Moderate	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	2	Low
Mar	4	Moderate
Apr	5	Moderate
May	7	Very high
Jun	6	High
Jul	8	Very high
Aug	6	High
Sep	5	Moderate
Oct	3	Moderate
Nov	1	Low
Dec	1	Low

Air quality in Tri-Cities 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 Tri-Cities is worst in August — around 27 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 9 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	10	11	14	11	9	10	13	27	21	12	11	9
Level	Good	Good	Moderate	Good	Good	Good	Moderate	Moderate	Moderate	Moderate	Good	Good

	PM2.5 (µg/m³)	Level
Jan	10	Good
Feb	11	Good
Mar	14	Moderate
Apr	11	Good
May	9	Good
Jun	10	Good
Jul	13	Moderate
Aug	27	Moderate
Sep	21	Moderate
Oct	12	Moderate
Nov	11	Good
Dec	9	Good

Location & terrain

Where is Tri-Cities?

Tri-Cities sits at 46.2°N, 119.2°W, 348 ft above sea level, in United States. The nearest listed city is Kennewick, 3.7 mi away.

Topography around Tri-Cities

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

Within 2 miles, the terrain around Tri-Cities has only modest variations in elevation — a maximum elevation change of 197 ft around an average of 400 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,677 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,894 ft.

The land around Tri-Cities is covered by artificial surfaces (32%) and grassland (28%) within 2 miles, grassland (38%) and cropland (28%) within 10 miles, and grassland (51%) and cropland (42%) within 50 miles.

2 miles

197 ft

artificial surfaces 32%

10 miles

1,677 ft

grassland 38%

50 miles

3,894 ft

grassland 51%

treesgrasslandcroplandartificial surfacesbare terrainwater

← May Tri-Cities year-round climate July →Best places to visit in June

June weather nearby: Kennewick 3.7 mi · Pasco 4.3 mi · Richland 5.0 mi · Hermiston 29 mi · Sunnyside 39 mi · Walla Walla 43 mi · Pendleton 44 mi · Moses Lake 62 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

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 Tri-Cities (46.2454°, -119.1962°, elevation 348 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).

	Avg high (°F)	Avg low (°F)
1	81	56
2	81	56
3	81	56
4	82	56
5	82	56
6	82	56
7	82	56
8	82	56
9	82	56
10	82	56
11	82	56
12	83	57
13	83	57
14	83	57
15	83	57
16	84	57
17	84	58
18	84	58
19	85	58
20	85	58
21	86	59
22	86	59
23	87	59
24	87	60
25	88	60
26	88	60
27	88	60
28	89	61
29	89	61
30	90	61

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	56	44
5	57	43
6	57	43
7	58	42
8	59	41
9	59	41
10	59	41
11	60	40
12	60	40
13	61	39
14	62	38
15	62	38
16	63	37
17	63	37
18	65	35
19	65	35
20	66	34
21	67	33
22	67	33
23	68	32
24	69	31
25	71	29
26	71	29
27	73	27
28	74	26
29	75	25
30	77	23

	Rain chance (%)
1	13
2	13
3	12
4	12
5	12
6	12
7	11
8	11
9	11
10	11
11	11
12	10
13	10
14	10
15	9
16	9
17	8
18	8
19	8
20	8
21	8
22	7
23	7
24	7
25	7
26	6
27	6
28	6
29	6
30	5

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1

	Avg high (°F)	Avg low (°F)
1	81	56
2	81	56
3	81	56
4	82	56
5	82	56
6	82	56
7	82	56
8	82	56
9	82	56
10	82	56
11	82	56
12	83	57
13	83	57
14	83	57
15	83	57
16	84	57
17	84	58
18	84	58
19	85	58
20	85	58
21	86	59
22	86	59
23	87	59
24	87	60
25	88	60
26	88	60
27	88	60
28	89	61
29	89	61
30	90	61

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	56	44
5	57	43
6	57	43
7	58	42
8	59	41
9	59	41
10	59	41
11	60	40
12	60	40
13	61	39
14	62	38
15	62	38
16	63	37
17	63	37
18	65	35
19	65	35
20	66	34
21	67	33
22	67	33
23	68	32
24	69	31
25	71	29
26	71	29
27	73	27
28	74	26
29	75	25
30	77	23

	Rain chance (%)
1	13
2	13
3	12
4	12
5	12
6	12
7	11
8	11
9	11
10	11
11	11
12	10
13	10
14	10
15	9
16	9
17	8
18	8
19	8
20	8
21	8
22	7
23	7
24	7
25	7
26	6
27	6
28	6
29	6
30	5

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1

	Avg high (°F)	Avg low (°F)
1	81	56
2	81	56
3	81	56
4	82	56
5	82	56
6	82	56
7	82	56
8	82	56
9	82	56
10	82	56
11	82	56
12	83	57
13	83	57
14	83	57
15	83	57
16	84	57
17	84	58
18	84	58
19	85	58
20	85	58
21	86	59
22	86	59
23	87	59
24	87	60
25	88	60
26	88	60
27	88	60
28	89	61
29	89	61
30	90	61

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	56	44
5	57	43
6	57	43
7	58	42
8	59	41
9	59	41
10	59	41
11	60	40
12	60	40
13	61	39
14	62	38
15	62	38
16	63	37
17	63	37
18	65	35
19	65	35
20	66	34
21	67	33
22	67	33
23	68	32
24	69	31
25	71	29
26	71	29
27	73	27
28	74	26
29	75	25
30	77	23

	Rain chance (%)
1	13
2	13
3	12
4	12
5	12
6	12
7	11
8	11
9	11
10	11
11	11
12	10
13	10
14	10
15	9
16	9
17	8
18	8
19	8
20	8
21	8
22	7
23	7
24	7
25	7
26	6
27	6
28	6
29	6
30	5

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1