Glastonbury weather in June

In June, Glastonbury sees average daytime highs of 78°F and overnight lows near 59°F, with 3.7 in of rain across 11.5 wet days and about 15 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 74°F in the first days to 81°F by the end. The sky is clear or mostly clear about 25% 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 Glastonbury's 10th-clearest and 9th-windiest month. For the whole year in context, see Glastonbury's year-round climate.

Daytime high
78°
3rd warmest
Overnight low
59°
10th coldest
Rainfall
3.7 in
11.5 wet days
Daylight
15 hours
4:20 AM – 7:21 PM
Cloud cover
63%
10th clearest
Wind
6 mph
9th windiest
Solar energy
5.96 kWh/m²
Travel score
6.5
out of 10

Glastonbury is town in Hartford County, Connecticut, USA.

Density
236/km²
people per km²
Founded
1636

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 74°F in the first days to 81°F by the end.

A typical June day in Glastonbury reaches about 78°F in the afternoon and slips back to 59°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 68°F and 87°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)
17455
27455
37455
47455
57556
67556
77556
87557
97657
107657
117658
127658
137758
147758
157859
167859
177860
187860
197960
207960
217961
228061
238061
248062
258162
268162
278162
288163
298263
308263

How June really feels in Glastonbury

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.

Glastonbury weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan36° / 22°3.39.75.69.30.0
Feb38° / 23°3.08.7510.30.0
Mar46° / 30°4.110.5411.71.4
Apr58° / 40°3.510.90.913.14.3
May68° / 50°3.210.8014.36.1
Jun78° / 59°3.711.50156.5
Jul83° / 65°3.410.4014.75.7
Aug81° / 63°3.910013.76.4
Sep74° / 56°3.88.7012.37.0
Oct62° / 45°4.09.30.210.95.4
Nov51° / 35°3.38.70.99.62.5
Dec41° / 27°4.110.24.390.2

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 56%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24456
34456
44456
54357
64357
74258
84357
94357
104357
114357
124258
134258
144258
154258
164258
174357
184357
194357
204456
214456
224654
234654
244753
254753
264852
274852
284852
294951
304951

Chance of precipitation in June

Any precipitation

Glastonbury gets around 3.7 in of rain over 11.5 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 38% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
235
335
435
536
636
737
837
937
1037
1137
1237
1337
1437
1537
1638
1738
1838
1938
2038
2138
2238
2338
2437
2537
2637
2736
2836
2935
3035

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
162201350
260201460
359211460
458211470
557221470
655221580
754231580
854231580
952231690
1051231790
11492318100
12482319100
13462320110
14442321110
15432322121
16412322121
17402323131
18382324141
19372324151
20362325152
21342325162
22332326172
23312326172
24302327183
25292327183
26282327194
27272327204
28262327205
29252327215
30242326215

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 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 4:24 AM to 4:24 AM, and sunset from 7:12 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:247:12
214.84:247:13
314.84:237:13
414.94:237:14
514.94:227:15
614.94:227:15
714.94:227:16
814.94:217:17
914.94:217:17
1014.94:217:18
1115.04:217:19
1215.04:217:19
1315.04:217:20
1415.04:207:20
1515.04:207:21
1615.04:207:21
1715.04:207:21
1815.04:207:22
1915.04:217:22
2015.04:217:22
2115.04:217:23
2215.04:217:23
2315.04:217:23
2415.04:217:23
2515.04:227:23
2615.04:227:24
2715.04:227:24
2815.04:237:24
2915.04:237:24
3015.04:247:24

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.96 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 5.96 kWh/m² in June across the year — June's 5.96 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
166.0Bright
176.0Bright
186.0Bright
196.0Intense
206.0Intense
216.0Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in June

Hazard calendar for Glastonbury

In seasonPeak

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

Glastonbury 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 Glastonbury?

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

6.5
Sightseeing
2nd-best month of the year
6.0
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Glastonbury for sightseeing.

What to pack for Glastonbury in June

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

In June, Glastonbury sees daytime highs around 78°F and nights near 59°F. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Glastonbury in June

The nearest coast averages about 63°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 40 mi away) is warmest in August at about 72°F and coldest in February near 36°F.

It's comfortable for a long swim from Jul 8 to Sep 25 — about 2.6 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan40Bracing
Feb36Bracing
Mar38Bracing
Apr44Bracing
May53Bracing
Jun63Cool
Jul70Refreshing
Aug72Refreshing
Sep70Refreshing
Oct64Cool
Nov55Bracing
Dec47Bracing

UV index in Glastonbury 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 Glastonbury 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
May7Very high
Jun7Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Glastonbury 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 Glastonbury is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1615 µg/m³Nov 197 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar12Good
Apr12Good
May13Moderate
Jun14Moderate
Jul15Moderate
Aug13Moderate
Sep11Good
Oct9Good
Nov7Good
Dec8Good
Location & terrain

Where is Glastonbury?

Glastonbury sits at 41.7°N, 72.6°W, 62 ft above sea level, in United States. The nearest listed city is Wethersfield, 2.5 mi away.

Topography around Glastonbury

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

Within 2 miles, the terrain around Glastonbury has only modest variations in elevation — a maximum elevation change of 325 ft around an average of 72 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 935 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,333 ft.

The land around Glastonbury is covered by trees (57%) within 2 miles, trees (70%) within 10 miles, and trees (77%) within 50 miles.

2 miles
325 ft
10 miles
935 ft
50 miles
2,333 ft
treesgrasslandcroplandartificial surfaceswaterwetland
June weather nearby: Wethersfield 2.5 mi · East Hartford 5.0 mi · Hartford 5.6 mi · Newington 6.2 mi · Manchester 6.2 mi · West Hartford 7.5 mi · South Windsor 7.5 mi · New Britain 9.3 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 Glastonbury (41.7123°, -72.6081°, elevation 62 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).