Dover weather in June

In June, Dover sees average daytime highs of 74°F and overnight lows near 58°F, with 3.6 in of rain across 10.8 wet days and about 15.1 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 70°F in the first days to 78°F by the end. The sky is clear or mostly clear about 26% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 54 min at the start of June to 15 h 12 min by month's end. Set against the rest of the year, June is Dover's 10th-clearest and 10th-windiest month. For the whole year in context, see Dover's year-round climate.

Daytime high
74°
3rd warmest
Overnight low
58°
10th coldest
Rainfall
3.6 in
10.8 wet days
Daylight
15 h 12 min
4:08 AM – 7:19 PM
Cloud cover
64%
10th clearest
Wind
7 mph
10th windiest
Solar energy
5.99 kWh/m²
Travel score
6.5
out of 10

Dover is county seat city in Strafford County, New Hampshire, United States.

Density
411/km²
people per km²
Founded
1623

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 70°F in the first days to 78°F by the end.

A typical June day in Dover reaches about 74°F in the afternoon and slips back to 58°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 63°F and 84°F. Set against its neighbours, June runs about 10°F warmer than May and about 6°F cooler than July.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
16953
26953
37054
47054
57054
67055
77155
87155
97155
107256
117256
127256
137357
147357
157357
167458
177458
187458
197559
207559
217660
227660
237660
247660
257761
267761
277761
287862
297862
307862

How June really feels in Dover

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.

Dover 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
Jan32° / 19°3.49.36.89.20.0
Feb34° / 20°3.296.110.20.0
Mar42° / 28°4.210.95.411.60.4
Apr54° / 38°4.010.51.413.13.1
May64° / 48°3.010.3014.45.5
Jun74° / 58°3.610.8015.16.5
Jul79° / 64°3.210.7014.96.5
Aug78° / 62°3.39.2013.86.9
Sep71° / 55°3.48.3012.36.9
Oct59° / 45°4.29.50.210.84.8
Nov48° / 35°3.69.21.29.51.8
Dec38° / 26°4.410.45.28.90.0

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 17% of June, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24159
34159
44159
54159
64060
74060
84060
94159
104159
114159
124258
134258
144357
154456
164456
174456
184456
194456
204456
214555
224654
234555
244555
254654
264555
274555
284555
294555
304555

Chance of precipitation in June

Any precipitation

Dover gets around 3.6 in of rain over 10.8 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 35% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
335
435
535
635
735
835
935
1035
1134
1234
1334
1434
1534
1635
1735
1835
1935
2035
2136
2236
2336
2436
2536
2635
2735
2835
2935
3034

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 46% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
170171030
269181030
368181130
466191140
565201140
665201140
764211140
862221150
959231251
1058241251
1156251261
1254261361
1351271471
1450281471
1547291581
1645301691
17433017101
18413017111
19383018121
20363020131
21343021141
22323022152
23302923162
24282924172
25272926172
26252826183
27232727193
28222728203
29212729204
30202729214

Wind in June

Winds average 7 mph in June.

Across June, daily wind ranges from about 7 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
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 54 min at the start of June to 15 h 12 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 4:13 AM to 4:11 AM, and sunset from 7:10 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.94:137:10
215.04:127:10
315.04:127:11
415.04:117:12
515.04:117:13
615.14:107:13
715.14:107:14
815.14:107:15
915.14:097:15
1015.14:097:16
1115.14:097:17
1215.14:097:17
1315.24:097:18
1415.24:087:18
1515.24:087:19
1615.24:087:19
1715.24:087:20
1815.24:087:20
1915.24:087:20
2015.24:097:21
2115.24:097:21
2215.24:097:21
2315.24:097:21
2415.24:097:21
2515.24:107:22
2615.24:107:22
2715.24:107:22
2815.24:117:22
2915.24:117:22
3015.24:117:22

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.99 kWh/m².

For context, solar energy here swings from a low near 1.54 kWh/m² to a high of 6.07 kWh/m² in July across the year — June's 5.99 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
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
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in June

Hazard calendar for Dover

In seasonPeak

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

Dover 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 Dover?

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

6.5
Sightseeing
3rd-best month of the year
5.1
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Dover for sightseeing.

What to pack for Dover in June

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

In June, Dover sees daytime highs around 74°F and nights near 58°F. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Dover in June

The nearest coast averages about 57°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 14 mi away) is warmest in August at about 65°F and coldest in March near 38°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan42Bracing
Feb39Bracing
Mar38Bracing
Apr42Bracing
May49Bracing
Jun57Bracing
Jul63Cool
Aug65Cool
Sep62Cool
Oct55Bracing
Nov49Bracing
Dec45Bracing

UV index in Dover 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 Dover peaks around July 10 at about 7 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateModerateLowJul 10UV 7Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7High
Jun7High
Jul7Very high
Aug4Moderate
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Dover?

Dover sits at 43.2°N, 70.9°W, 62 ft above sea level, in United States. The nearest listed city is Rochester, 8.7 mi away.

Topography around Dover

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

Within 2 miles, the terrain around Dover has only modest variations in elevation — a maximum elevation change of 315 ft around an average of 121 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 696 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,943 ft.

The land around Dover is covered by trees (62%) and grassland (20%) within 2 miles, trees (75%) within 10 miles, and trees (67%) and water (27%) within 50 miles.

2 miles
315 ft
10 miles
696 ft
50 miles
2,943 ft
treesgrasslandcroplandartificial surfaceswaterwetland
June weather nearby: Rochester 8.7 mi · Portsmouth 9.9 mi · Sanford 17 mi · Amesbury 24 mi · Newburyport 27 mi · Biddeford 29 mi · Saco 30 mi · Derry Village 30 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 Dover (43.1979°, -70.8737°, 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).