Southbury weather in June

In June, Southbury sees average daytime highs of 77°F and overnight lows near 60°F, with 4.1 in of rain across 12 wet days and about 14.9 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 73°F in the first days to 80°F by the end. The sky is clear or mostly clear about 24% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of June to 15 hours by month's end. Set against the rest of the year, June is Southbury's 11th-clearest and 10th-windiest month. For the whole year in context, see Southbury's year-round climate.

Daytime high
77°
3rd warmest
Overnight low
60°
10th coldest
Rainfall
4.1 in
12 wet days
Daylight
15 hours
4:24 AM – 7:23 PM
Cloud cover
64%
11th clearest
Wind
6 mph
10th windiest
Solar energy
6.06 kWh/m²
Travel score
6.4
out of 10

Southbury is town in New Haven County, Connecticut, United States.

Density
191/km²
people per km²
Founded
1787

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 73°F in the first days to 80°F by the end.

A typical June day in Southbury reaches about 77°F in the afternoon and slips back to 60°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 67°F and 86°F. Set against its neighbours, June runs about 9°F warmer than May and about 5°F cooler than July.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17355
27356
37356
47456
57456
67457
77457
87457
97558
107558
117558
127659
137659
147659
157760
167760
177760
187860
197861
207861
217862
227962
237962
247962
258063
268063
278063
288063
298164
308164

How June really feels in Southbury

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.

Southbury 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
Jan36° / 22°3.59.45.79.30.0
Feb38° / 23°3.18.85.110.30.0
Mar46° / 31°4.211.24.111.71.2
Apr58° / 41°3.811.3113.14.0
May67° / 50°3.612.1014.35.9
Jun77° / 60°4.112014.96.4
Jul82° / 65°3.911.1014.75.9
Aug80° / 64°4.310.6013.76.4
Sep73° / 57°4.19.2012.36.9
Oct62° / 46°4.29.10.210.95.3
Nov50° / 36°3.58.819.72.4
Dec40° / 28°4.210.34.39.10.2

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 19% of June, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24357
34456
44456
54357
64357
74357
84258
94159
104159
114159
124258
134258
144258
154258
164258
174258
184258
194258
204258
214357
224456
234456
244456
254555
264555
274555
284753
294753
304753

Chance of precipitation in June

Any precipitation

Southbury gets around 4.1 in of rain over 12 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 39% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
239
339
438
538
638
738
838
938
1038
1138
1238
1338
1438
1539
1639
1739
1840
1940
2040
2140
2240
2340
2440
2540
2640
2740
2839
2939
3038

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 40% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
159201560
257211570
357211570
455211680
554221680
653221690
753221690
8502317100
9502317100
10482318100
11472319110
12452320110
13432321121
14422322121
15402323131
16392324131
17372324141
18362325151
19352325152
20332326162
21322326172
22302327172
23292327183
24282327193
25272327194
26262327204
27252327205
28242327215
29242327216
30232327226

Wind in June

Winds average 6 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.

0246810151015202530
Wind speed (mph)Feels
17calm
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 14 h 48 min at the start of June to 15 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:27 AM to 4:27 AM, and sunset from 7:13 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:277:13
214.84:277:14
314.84:267:15
414.84:267:16
514.84:267:16
614.94:257:17
714.94:257:18
814.94:257:18
914.94:247:19
1014.94:247:20
1114.94:247:20
1214.94:247:21
1315.04:247:21
1415.04:247:22
1515.04:247:22
1615.04:247:23
1715.04:247:23
1815.04:247:23
1915.04:247:24
2015.04:247:24
2115.04:247:24
2215.04:247:25
2315.04:247:25
2415.04:257:25
2515.04:257:25
2615.04:257:25
2715.04:267:25
2815.04:267:25
2915.04:267:25
3015.04:277:25

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.06 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.69 kWh/m² to a high of 6.06 kWh/m² in June across the year — June's 6.06 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
36.0Bright
46.0Bright
56.0Bright
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
116.0Bright
126.0Bright
136.0Bright
146.0Intense
156.0Intense
166.0Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in June

Hazard calendar for Southbury

In seasonPeak

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

Southbury 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 Southbury?

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

6.4
Sightseeing
2nd-best month of the year
5.7
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Southbury for sightseeing.

What to pack for Southbury in June

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

In June, Southbury sees daytime highs around 77°F and nights near 60°F. Pack sun protection. Worth having: light clothes and rain gear. About 12 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Southbury in June

The nearest coast averages about 65°F in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 25 mi away) is warmest in August at about 74°F and coldest in February near 35°F.

It's comfortable for a long swim from Jul 1 to Sep 30 — about 3 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan39Bracing
Feb35Bracing
Mar37Bracing
Apr44Bracing
May54Bracing
Jun65Cool
Jul72Refreshing
Aug74Refreshing
Sep71Refreshing
Oct64Cool
Nov55Bracing
Dec46Bracing

UV index in Southbury 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 Southbury peaks around July 11 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 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 11UV 8Dec 23UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun7Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Southbury 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 Southbury is worst in July — around 20 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJul 1220 µg/m³Nov 1612 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar17Moderate
Apr17Moderate
May18Moderate
Jun19Moderate
Jul20Moderate
Aug17Moderate
Sep16Moderate
Oct13Moderate
Nov11Good
Dec13Moderate
Location & terrain

Where is Southbury?

Southbury sits at 41.5°N, 73.2°W, 249 ft above sea level, in United States. The nearest listed city is Naugatuck, 8.7 mi away.

Topography around Southbury

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

Within 2 miles, the terrain around Southbury has only modest variations in elevation — a maximum elevation change of 633 ft around an average of 407 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,050 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,815 ft.

The land around Southbury is covered by trees (86%) within 2 miles, trees (85%) within 10 miles, and trees (74%) within 50 miles.

2 miles
633 ft
10 miles
1,050 ft
50 miles
2,815 ft
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Naugatuck 8.7 mi · Seymour 9.3 mi · Waterbury 9.9 mi · Ansonia 12 mi · Shelton 13 mi · Danbury 14 mi · Wolcott 14 mi · Cheshire 16 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 Southbury (41.4815°, -73.2132°, elevation 249 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).