Milton weather in July

In July, Milton sees average daytime highs of 79°F and overnight lows near 65°F, with 2.9 in of rain across 9.6 wet days and about 14.8 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 79°F through the month. The sky is clear or mostly clear about 29% of the time in July, and the air most often feels humid.

Daylight stretches from about 15 h 06 min at the start of July to 14 h 24 min by month's end. Set against the rest of the year, July is Milton's 5th-clearest and 11th-windiest month. For the whole year in context, see Milton's year-round climate.

Daytime high
79°
1st warmest
Overnight low
65°
12th coldest
Rainfall
2.9 in
9.6 wet days
Daylight
14 h 48 min
4:26 AM – 7:14 PM
Cloud cover
58%
5th clearest
Wind
7 mph
11th windiest
Solar energy
5.95 kWh/m²
Travel score
6.7
out of 10

Milton is town in Norfolk County, Massachusetts, United States.

Density
783/km²
people per km²
Founded
1636

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 79°F through the month.

A typical July day in Milton reaches about 79°F in the afternoon and slips back to 65°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 71°F and 87°F. Set against its neighbours, July runs about 6°F warmer than June and about 1°F warmer than August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
17864
27864
37864
47864
57865
67965
77965
87965
97965
107965
117965
127965
137965
147966
158066
168066
178066
188066
198066
208066
218066
228066
238066
248066
258066
268066
278066
287966
297966
307966
317966

How July really feels in Milton

Once humidity and wind are folded in, July 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

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Milton weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan36° / 24°3.7105.69.30.0
Feb38° / 25°3.38.85.110.30.0
Mar44° / 31°4.611.14.611.60.8
Apr54° / 41°3.911113.13.2
May64° / 50°3.210.6014.45.5
Jun73° / 59°3.410.10156.6
Jul79° / 65°2.99.6014.86.7
Aug78° / 65°3.49.2013.77.0
Sep71° / 58°3.58.2012.36.9
Oct61° / 48°4.39.80.110.85.1
Nov50° / 38°3.79.60.89.62.4
Dec41° / 30°4.510.84.390.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24951
34951
45050
55149
65149
75248
85248
95347
105248
115248
125248
135248
145248
155248
165149
175149
185149
195050
205050
215050
225050
235050
245050
255149
265050
275149
285248
295248
305347
315446

Chance of precipitation in July

Any precipitation

Milton gets around 2.9 in of rain over 9.6 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
329
429
529
629
729
829
929
1029
1130
1230
1330
1431
1531
1632
1732
1832
1933
2033
2133
2233
2333
2434
2534
2634
2734
2834
2934
3034
3133

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the humid band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 36% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1182432234
2172432234
3172432235
4162432245
5152432245
6152531245
7142531246
8132531256
9132631256
10122631266
11112631266
12112531277
13102531277
1492531287
1592531287
1692431298
1782431298
1882431308
1972331309
2072331319
2162231319
2262231319
2362231329
2462131329
2562131329
2662131339
2762131339
2862130339
2962130339
3072130339
3172130339

Wind in July

Winds average 7 mph in July.

Across July, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
37light breeze
47light breeze
57light breeze
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
317calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 06 min at the start of July to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 4:16 AM to 4:40 AM, and sunset from 7:19 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.14:167:19
215.04:167:19
315.04:177:19
415.04:187:19
515.04:187:19
615.04:197:18
715.04:197:18
815.04:207:18
914.94:217:17
1014.94:217:17
1114.94:227:17
1214.94:237:16
1314.94:237:16
1414.84:247:15
1514.84:257:15
1614.84:267:14
1714.84:277:13
1814.84:277:13
1914.74:287:12
2014.74:297:11
2114.74:307:10
2214.64:317:10
2314.64:327:09
2414.64:337:08
2514.64:347:07
2614.54:357:06
2714.54:367:05
2814.54:377:04
2914.44:387:03
3014.44:397:02
3114.44:407:01

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.95 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.6 kWh/m² to a high of 5.95 kWh/m² in July across the year — July's 5.95 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.0Intense
136.0Intense
146.0Intense
156.0Bright
166.0Bright
175.9Bright
185.9Bright
195.9Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in July

Hazard calendar for Milton

In seasonPeak

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

Milton 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 July a good time to visit Milton?

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

6.7
Sightseeing
3rd-best month of the year
6.5
Beach & pool
1st-best month of the year

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

What to pack for Milton in July

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

In July, Milton sees daytime highs around 79°F and nights near 65°F. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Milton in July

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

The sea at the nearest coast (about 13 mi away) is warmest in August at about 66°F and coldest in February 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
Jan41Bracing
Feb38Bracing
Mar38Bracing
Apr42Bracing
May50Bracing
Jun58Bracing
Jul65Cool
Aug66Cool
Sep63Cool
Oct56Bracing
Nov50Bracing
Dec46Bracing

UV index in Milton in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Milton 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 January 1 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 highHighHighModerateLowJul 10UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr5High
May7Very high
Jun7Very high
Jul7Very high
Aug5Moderate
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Milton in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Milton is worst in July — around 16 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1516 µg/m³Nov 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar14Moderate
Apr14Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep12Good
Oct10Good
Nov8Good
Dec10Good
Location & terrain

Where is Milton?

Milton sits at 42.2°N, 71.1°W, 118 ft above sea level, in United States. The nearest listed city is Mattapan, 1.9 mi away.

Topography around Milton

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

Within 2 miles, the terrain around Milton has only modest variations in elevation — a maximum elevation change of 509 ft around an average of 125 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 633 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,178 ft.

The land around Milton is covered by trees (72%) within 2 miles, trees (53%) and artificial surfaces (23%) within 10 miles, and trees (59%) and water (31%) within 50 miles.

2 miles
509 ft
10 miles
633 ft
50 miles
2,178 ft
treesgrasslandartificial surfaceswaterwetland
July weather nearby: Mattapan 1.9 mi · Ashmont 2.5 mi · Hyde Park 3.1 mi · Quincy 3.1 mi · Dorchester 3.1 mi · Roslindale 4.3 mi · Braintree 4.3 mi · West Roxbury 5.0 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 Milton (42.2495°, -71.0662°, elevation 118 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).