Plainfield weather in March

In March, Plainfield sees average daytime highs of 46°F and overnight lows near 30°F, with 4.3 in of precipitation across 10.6 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 42°F in the first days to 51°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 10 h 54 min at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Plainfield's 9th-clearest and 1st-windiest month. For the whole year in context, see Plainfield's year-round climate.

Daytime high
46°
9th warmest
Overnight low
30°
4th coldest
Precipitation
4.3 in
10.6 wet days
Daylight
11 h 42 min
6:08 AM – 5:47 PM
Cloud cover
63%
9th clearest
Wind
8 mph
1st windiest
Solar energy
3.97 kWh/m²
Travel score
1.2
out of 10

Plainfield is town in Connecticut, United States.

Density
139/km²
people per km²
Founded
1699

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 51°F by the end.

A typical March day in Plainfield reaches about 46°F in the afternoon and slips back to 30°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 34°F and 58°F. Set against its neighbours, March runs about 8°F warmer than February and about 12°F cooler than April.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14226
24226
34226
44226
54327
64327
74327
84427
94428
104428
114428
124528
134529
144529
154529
164629
174630
184630
194730
204731
214731
224831
234832
244932
254933
264933
275033
285034
295134
305134
315135

How March really feels in Plainfield

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.

Plainfield weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan36° / 21°3.69.85.79.30.0
Feb38° / 23°3.18.6510.30.0
Mar46° / 30°4.310.64.411.71.2
Apr58° / 40°3.811.10.913.14.1
May68° / 49°3.310.7014.36.0
Jun77° / 58°4.111.40156.5
Jul83° / 64°3.911.3014.75.8
Aug80° / 63°4.511013.76.4
Sep73° / 55°4.08.8012.36.9
Oct62° / 45°4.19.60.210.95.3
Nov51° / 35°3.68.70.89.62.5
Dec41° / 27°4.310.54.590.2

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 15% of March, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24357
34258
44258
54258
64357
74357
84258
94258
104258
114357
124357
134258
144258
154258
164258
174159
184159
194159
204159
214159
224159
234159
244159
254159
264060
274060
284159
294159
304159
314060

Chance of precipitation in March

Any precipitationSnow

Plainfield gets around 4.3 in of rain and snow over 10.6 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 (%)
13519
23519
33519
43518
53518
63517
73517
83417
93416
103416
113415
123315
133315
143314
153314
163314
173314
183313
193213
203313
213312
223312
233411
243411
253510
263510
27359
28369
29368
30368
31378

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 (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in March

Winds average 8 mph in March, the windiest month of the year.

Across March, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 54 min 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 90 minutes over March. Sunrise moves from 6:32 AM to 5:42 AM, and sunset from 5:29 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:325:29
211.06:315:31
311.06:295:32
411.16:285:33
511.16:265:34
611.26:245:35
711.26:235:36
811.36:215:38
911.36:205:39
1011.46:185:40
1111.46:165:41
1211.56:155:42
1311.56:135:43
1411.66:115:45
1511.66:095:46
1611.76:085:47
1711.76:065:48
1811.76:045:49
1911.86:035:50
2011.86:015:51
2111.95:595:53
2211.95:575:54
2312.05:565:55
2412.05:545:56
2512.15:525:57
2612.15:505:58
2712.25:495:59
2812.25:476:00
2912.35:456:02
3012.35:436:03
3112.45:426:04

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.97 kWh/m².

For context, solar energy here swings from a low near 1.67 kWh/m² to a high of 5.97 kWh/m² in June across the year — March's 3.97 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.5Moderate
43.5Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.7Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.9Moderate
133.9Moderate
144.0Moderate
154.0Bright
164.0Bright
174.1Bright
184.1Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in March

Hazard calendar for Plainfield

In seasonPeak

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

Plainfield 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 Plainfield?

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

1.2
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 Plainfield.

What to pack for Plainfield in March

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

In March, Plainfield sees daytime highs around 46°F and nights near 30°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 Plainfield in March

The nearest coast averages about 40°F in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 25 mi away) is warmest in August at about 69°F and coldest in February near 39°F.

It's comfortable for a long swim from Jul 29 to Aug 30 — about 1.1 months when the water holds above 68°F.

40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°F)Comfort
Jan43Bracing
Feb39Bracing
Mar40Bracing
Apr44Bracing
May51Bracing
Jun60Cool
Jul67Cool
Aug69Refreshing
Sep67Cool
Oct62Cool
Nov55Bracing
Dec48Bracing

UV index in Plainfield in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Plainfield peaks around July 10 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 10UV 8Dec 23UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Plainfield?

Plainfield sits at 41.7°N, 71.9°W, 197 ft above sea level, in United States. The nearest listed city is Killingly Center, 11 mi away.

Topography around Plainfield

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

Within 2 miles, the terrain around Plainfield has only modest variations in elevation — a maximum elevation change of 531 ft around an average of 279 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 778 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,430 ft.

The land around Plainfield is covered by trees (75%) within 2 miles, trees (87%) within 10 miles, and trees (66%) and water (26%) within 50 miles.

2 miles
531 ft
10 miles
778 ft
50 miles
1,430 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Killingly Center 11 mi · Coventry 12 mi · Windham 12 mi · Norwich 14 mi · Willimantic 16 mi · Ledyard 17 mi · Mansfield City 17 mi · Montville Center 18 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 Plainfield (41.6765°, -71.9151°, elevation 197 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).