Montclair weather in June

In June, Montclair sees average daytime highs of 84°F and overnight lows near 67°F, with 3.5 in of rain across 11.2 wet days and about 14.6 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 81°F in the first days to 86°F by the end. The sky is clear or mostly clear about 26% of the time in June, and the air most often feels muggy.

Daylight stretches from about 14 h 30 min at the start of June to 14 h 42 min by month's end. Set against the rest of the year, June is Montclair's 11th-clearest and 10th-windiest month. For the whole year in context, see Montclair's year-round climate.

Daytime high
84°
3rd warmest
Overnight low
67°
10th coldest
Rainfall
3.5 in
11.2 wet days
Daylight
14 h 42 min
4:49 AM – 7:30 PM
Cloud cover
61%
11th clearest
Wind
6 mph
10th windiest
Solar energy
6.15 kWh/m²
Travel score
5.5
out of 10

Montclair is census designated place in Prince William County, Virginia, United States.

Density
1,224/km²
people per km²

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 81°F in the first days to 86°F by the end.

A typical June day in Montclair reaches about 84°F in the afternoon and slips back to 67°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 75°F and 92°F. Set against its neighbours, June runs about 9°F warmer than May and about 4°F cooler than July.

50°60°70°80°90°151015202530
Avg high (°F)Avg low (°F)
18063
28064
38164
48164
58165
68165
78265
88265
98266
108266
118366
128367
138367
148367
158467
168468
178468
188468
198568
208569
218569
228569
238569
248569
258669
268670
278670
288670
298670
308770

How June really feels in Montclair

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.

Montclair weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan44° / 30°3.18.52.79.60.9
Feb47° / 31°2.88.22.310.51.6
Mar56° / 39°3.910.21.611.73.8
Apr67° / 49°3.39.40136.2
May75° / 58°3.510.9014.16.6
Jun84° / 67°3.511.2014.65.5
Jul88° / 72°3.711.7014.44.3
Aug85° / 70°3.510.2013.55.1
Sep79° / 63°4.29.5012.36.7
Oct68° / 52°3.47.80116.7
Nov57° / 41°2.97.30.19.94.4
Dec48° / 34°3.48.81.49.41.9

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 20% of June, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24654
34654
44654
54654
64654
74654
84654
94654
104654
114555
124654
134753
144753
154654
164654
174654
184654
194654
204654
214852
224852
234852
244852
254852
264852
274951
285050
295050
305050

Chance of precipitation in June

Any precipitation

Montclair gets around 3.5 in of rain over 11.2 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 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
234
334
434
534
634
735
835
935
1036
1136
1236
1336
1437
1537
1638
1738
1838
1939
2039
2139
2239
2339
2439
2539
2639
2739
2839
2938
3038

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the muggy band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 46% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12622222540
22522222550
32422222650
42422222760
52321222770
62221222770
72121222880
82020222890
920202328100
1019192329110
1118192329120
1216182330130
1315182330130
1414172331140
1513172431150
1612162432160
1712162432170
1811162432170
1910152432180
209152433190
219142433190
228142433200
238142434210
247132434220
257132434230
267122334240
276122334250
286122233260
296112233281
306112133291

Wind in June

Winds average 6 mph in June.

Across June, daily wind ranges from about 5 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
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 30 min at the start of June to 14 h 42 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 4:52 AM to 4:52 AM, and sunset from 7:22 PM to 7:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:527:22
214.54:527:22
314.54:517:23
414.54:517:24
514.64:517:24
614.64:507:25
714.64:507:26
814.64:507:26
914.64:507:27
1014.64:507:27
1114.64:497:28
1214.64:497:28
1314.74:497:29
1414.74:497:29
1514.74:497:30
1614.74:497:30
1714.74:497:30
1814.74:497:31
1914.74:497:31
2014.74:497:31
2114.74:507:32
2214.74:507:32
2314.74:507:32
2414.74:507:32
2514.74:517:32
2614.74:517:33
2714.74:517:33
2814.74:517:33
2914.74:527:33
3014.74:527:33

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.15 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 6.15 kWh/m² in June across the year — June's 6.15 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in June

Hazard calendar for Montclair

In seasonPeak

In June, Montclair sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Montclair sits in the Atlantic hurricane belt; the season peaks August–October.

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

Is June a good time to visit Montclair?

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

5.5
Sightseeing
5th-best month of the year
6.6
Beach & pool
2nd-best month of the year

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

What to pack for Montclair in June

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

In June, Montclair sees daytime highs around 84°F and nights near 67°F. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Montclair 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 Montclair peaks around July 11 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 11UV 9Dec 19UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Montclair 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 Montclair is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1416 µg/m³Nov 187 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar12Good
Apr13Moderate
May14Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is Montclair?

Montclair sits at 38.6°N, 77.3°W, 125 ft above sea level, in United States. The nearest listed city is Dale City, 2.5 mi away.

Topography around Montclair

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

Within 2 miles, the terrain around Montclair has only modest variations in elevation — a maximum elevation change of 302 ft around an average of 230 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 577 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,514 ft.

The land around Montclair is covered by trees (78%) within 2 miles, trees (74%) within 10 miles, and trees (69%) within 50 miles.

2 miles
302 ft
10 miles
577 ft
50 miles
3,514 ft
treesgrasslandcroplandartificial surfaceswaterwetland
June weather nearby: Dale City 2.5 mi · Cherry Hill 5.0 mi · Lake Ridge 5.6 mi · Lorton 8.7 mi · Buckhall 9.9 mi · Manassas 12 mi · West Springfield 13 mi · Burke 13 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 Montclair (38.611°, -77.3397°, elevation 125 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).