Fairfield weather in July

In July, Fairfield sees average daytime highs of 82°F and overnight lows near 68°F, with 3.4 in of rain across 10.2 wet days and about 14.7 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 82°F through the month. The sky is clear or mostly clear about 29% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 54 min at the start of July to 14 h 18 min by month's end. Set against the rest of the year, July is Fairfield's 6th-clearest and 11th-windiest month. For the whole year in context, see Fairfield's year-round climate.

Daytime high
82°
1st warmest
Overnight low
68°
12th coldest
Rainfall
3.4 in
10.2 wet days
Daylight
14 h 42 min
4:38 AM – 7:19 PM
Cloud cover
58%
6th clearest
Wind
7 mph
11th windiest
Solar energy
6.09 kWh/m²
Travel score
6.4
out of 10

Fairfield is town in Fairfield County, Connecticut, United States.

Founded
1639

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 82°F through the month.

A typical July day in Fairfield reaches about 82°F in the afternoon and slips back to 68°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 89°F. Set against its neighbours, July runs about 6°F warmer than June and about 2°F warmer than August.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18066
28066
38067
48167
58167
68167
78167
88167
98167
108168
118268
128268
138268
148268
158268
168268
178268
188268
198268
208269
218269
228269
238269
248269
258269
268269
278269
288269
298269
308269
318269

How July really feels in Fairfield

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.

Fairfield weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 26°3.89.55.19.40.0
Feb38° / 26°3.48.94.310.40.0
Mar45° / 33°4.510.73.511.71.1
Apr56° / 42°4.1110.513.13.7
May66° / 52°3.611.5014.35.8
Jun76° / 62°3.810.9014.96.6
Jul82° / 68°3.410.2014.76.4
Aug80° / 67°4.110.2013.66.6
Sep73° / 60°4.09.2012.36.9
Oct62° / 50°4.59.40.110.95.5
Nov51° / 40°3.790.69.72.7
Dec42° / 32°4.710.43.39.10.3

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 24% of July, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25149
35149
45248
55347
65347
75446
85446
95545
105644
115644
125644
135545
145545
155545
165545
175446
185347
195248
205248
215248
225149
235149
245149
255149
265149
275149
285149
295149
305248
315248

Chance of precipitation in July

Any precipitation

Fairfield gets around 3.4 in of rain over 10.2 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
132
232
331
431
531
630
730
830
931
1031
1131
1231
1331
1432
1532
1633
1733
1834
1934
2035
2135
2236
2336
2436
2536
2636
2736
2836
2936
3035
3135

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 46% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1122427307
2122327308
3122327308
4122327309
5122227309
61222272910
71222273010
81221273011
91121273011
101120273111
111120273112
121119263212
131019263212
141018263313
151018263413
161017263413
17917263513
18916253514
19916253614
20915253614
21815253714
22815253714
23814253815
24814263815
25814263815
26814263815
27814263715
28814263715
29814263715
30814263615
31814263615

Wind in July

Winds average 7 mph in July.

Across July, 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.

0246810151015202531
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
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 54 min at the start of July to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:28 AM to 4:51 AM, and sunset from 7:24 PM to 7:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.94:287:24
214.94:297:24
314.94:297:24
414.94:307:24
514.94:317:24
614.94:317:24
714.94:327:23
814.84:327:23
914.84:337:23
1014.84:347:22
1114.84:347:22
1214.84:357:21
1314.84:367:21
1414.74:367:20
1514.74:377:20
1614.74:387:19
1714.74:397:19
1814.64:407:18
1914.64:407:17
2014.64:417:17
2114.64:427:16
2214.54:437:15
2314.54:447:15
2414.54:457:14
2514.54:467:13
2614.44:477:12
2714.44:477:11
2814.44:487:10
2914.34:497:09
3014.34:507:08
3114.34:517:07

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.09 kWh/m².

For context, solar energy here swings from a low near 1.71 kWh/m² to a high of 6.11 kWh/m² in June across the year — July's 6.09 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.1Intense
176.1Intense
186.1Intense
196.0Intense
206.0Intense
216.0Bright
225.9Bright
235.9Bright
245.9Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.7Bright
315.7Bright
Planning a trip in July

Hazard calendar for Fairfield

In seasonPeak

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

Fairfield 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 Fairfield?

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

6.4
Sightseeing
4th-best month of the year
6.7
Beach & pool
1st-best month of the year

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

What to pack for Fairfield in July

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

In July, Fairfield sees daytime highs around 82°F and nights near 68°F. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Fairfield in July

The nearest coast averages about 72°F in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 74°F and coldest in February near 35°F.

It's comfortable for a long swim from Jun 30 to Sep 30 — about 3.1 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
May55Bracing
Jun65Cool
Jul72Refreshing
Aug74Refreshing
Sep71Refreshing
Oct64Cool
Nov55Bracing
Dec46Bracing

UV index in Fairfield in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Fairfield 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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 11UV 8Dec 23UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Fairfield 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 Fairfield 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 Fairfield?

Fairfield sits at 41.1°N, 73.3°W, 33 ft above sea level, in United States. The nearest listed city is Bridgeport, 5.0 mi away.

Topography around Fairfield

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

Within 2 miles, the terrain around Fairfield has only modest variations in elevation — a maximum elevation change of 203 ft around an average of 36 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 610 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,913 ft.

The land around Fairfield is covered by trees (47%) and water (24%) within 2 miles, water (47%) and trees (40%) within 10 miles, and trees (55%) and water (32%) within 50 miles.

2 miles
203 ft
10 miles
610 ft
50 miles
1,913 ft
treesgrasslandartificial surfacesbare terrainwaterwetland
July weather nearby: Bridgeport 5.0 mi · Westport 5.0 mi · Stratford 7.5 mi · East Norwalk 7.5 mi · Norwalk 7.5 mi · Trumbull 7.5 mi · Wilton 9.9 mi · Darien 12 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 Fairfield (41.1412°, -73.2637°, elevation 33 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).