Fairfield weather in March

In March, Fairfield sees average daytime highs of 45°F and overnight lows near 33°F, with 4.5 in of precipitation across 10.7 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 42°F in the first days to 50°F by the end. The sky is clear or mostly clear about 27% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Fairfield's 9th-clearest and 3rd-windiest month. For the whole year in context, see Fairfield's year-round climate.

Daytime high
45°
9th warmest
Overnight low
33°
4th coldest
Precipitation
4.5 in
10.7 wet days
Daylight
11 h 42 min
6:13 AM – 5:53 PM
Cloud cover
62%
9th clearest
Wind
9 mph
3rd windiest
Solar energy
4.04 kWh/m²
Travel score
1.1
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 March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 42°F in the first days to 50°F by the end.

A typical March day in Fairfield reaches about 45°F in the afternoon and slips back to 33°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 35°F and 56°F. Set against its neighbours, March runs about 7°F warmer than February and about 11°F cooler than April.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14129
24229
34229
44229
54230
64330
74330
84330
94331
104431
114431
124431
134431
144432
154532
164532
174533
184633
194633
204633
214634
224734
234734
244735
254835
264835
274936
284936
294937
305037
315037

How March really feels in Fairfield

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 31 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
31
wind chill below the day's low

The story in March is cold — wind chill drags the overnight "feels like" below the raw low.

Fairfield weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 2nd-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 16% of March, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24357
34357
44456
54456
64456
74357
84456
94456
104456
114456
124456
134456
144456
154456
164456
174456
184456
194258
204258
214258
224258
234258
244258
254258
264258
274258
284159
294159
304159
314258

Chance of precipitation in March

Any precipitationSnow

Fairfield gets around 4.5 in of rain and snow over 10.7 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 34% and peaks near 37% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13615
23615
33615
43615
53614
63514
73514
83513
93413
103413
113413
123312
133312
143312
153312
163312
173312
183211
193211
203211
213310
223310
23349
24348
25358
26357
27357
28366
29366
30365
31375

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
31991

Wind in March

Winds average 9 mph in March.

Across March, daily wind ranges from about 9 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 hours at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over March. Sunrise moves from 6:37 AM to 5:47 AM, and sunset from 5:35 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:375:35
211.06:365:37
311.16:345:38
411.16:335:39
511.16:315:40
611.26:295:41
711.26:285:42
811.36:265:43
911.36:255:45
1011.46:235:46
1111.46:215:47
1211.56:205:48
1311.56:185:49
1411.66:165:50
1511.66:155:51
1611.76:135:53
1711.76:115:54
1811.86:105:55
1911.86:085:56
2011.86:065:57
2111.96:045:58
2211.96:035:59
2312.06:016:00
2412.05:596:01
2512.15:576:02
2612.15:566:04
2712.25:546:05
2812.25:526:06
2912.35:516:07
3012.35:496:08
3112.45:476:09

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.04 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 — March's 4.04 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.7Moderate
73.7Moderate
83.8Moderate
93.8Moderate
103.9Moderate
113.9Moderate
124.0Moderate
134.0Bright
144.0Bright
154.1Bright
164.1Bright
174.1Bright
184.2Bright
194.2Bright
204.2Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.5Bright
Planning a trip in March

Hazard calendar for Fairfield

In seasonPeak

None of Fairfield's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 March a good time to visit Fairfield?

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

1.1
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Fairfield.

What to pack for Fairfield in March

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

In March, Fairfield sees daytime highs around 45°F and nights near 33°F. Pack a warm layer. Worth having: a heavy coat and rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Fairfield in March

The nearest coast averages about 37°F in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 5 — 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 March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March 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
March 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).