Killingly Center weather in May

In May, Killingly Center sees average daytime highs of 68°F and overnight lows near 49°F, with 3.2 in of rain across 10.8 wet days and about 14.3 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 63°F in the first days to 72°F by the end. The sky is clear or mostly clear about 24% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of May to 14 h 48 min by month's end. Set against the rest of the year, May is Killingly Center's 12th-clearest and 8th-windiest month. For the whole year in context, see Killingly Center's year-round climate.

Daytime high
68°
5th warmest
Overnight low
49°
8th coldest
Rainfall
3.2 in
10.8 wet days
Daylight
14 h 24 min
4:33 AM – 6:54 PM
Cloud cover
65%
12th clearest
Wind
7 mph
8th windiest
Solar energy
5.56 kWh/m²
Travel score
6.0
out of 10

Killingly Center is unincorporated community in Killingly, Windham County, Connecticut, United States.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 63°F in the first days to 72°F by the end.

A typical May day in Killingly Center reaches about 68°F in the afternoon and slips back to 49°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 56°F and 80°F. Set against its neighbours, May runs about 10°F warmer than April and about 10°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16345
26346
36446
46446
56446
66447
76547
86547
96547
106548
116648
126648
136648
146749
156749
166749
176849
186850
196950
206950
216951
227051
237051
247052
257152
267153
277153
287253
297254
307254
317354

How May really feels in Killingly Center

Once humidity and wind are folded in, May 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

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

Killingly Center weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 22°3.59.85.49.30.0
Feb39° / 23°3.18.74.910.30.0
Mar46° / 30°4.310.54.311.71.3
Apr58° / 40°3.810.90.813.14.1
May68° / 49°3.210.8014.36.0
Jun77° / 59°3.710.50156.6
Jul83° / 65°3.511.1014.75.7
Aug81° / 64°4.110.6013.76.4
Sep73° / 56°3.78.5012.37.0
Oct62° / 46°4.19.40.210.95.4
Nov51° / 36°3.58.80.89.62.6
Dec42° / 28°4.310.34.190.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
33961
44060
53961
63961
73862
83862
93862
103862
113961
123961
133961
144060
154060
164060
174060
184159
194159
204159
214159
224159
234060
244159
254159
264060
274159
284159
294159
304159
314159

Chance of precipitation in May

Any precipitation

Killingly Center gets around 3.2 in of rain over 10.8 wet days in May. 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 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
536
636
736
837
937
1037
1137
1237
1337
1436
1536
1636
1736
1835
1935
2034
2134
2233
2333
2433
2532
2632
2732
2832
2932
3032
3132

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 83% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
194510
294510
393610
492620
592620
691720
791720
891720
990820
1090820
1189830
1288930
1388930
1488930
15861040
16861040
17861040
18841150
19821251
20801361
21801361
22781471
23761581
24741691
25731692
267117102
276918112
286818122
296719122
306619132
316420142

Wind in May

Winds average 7 mph in May.

Across May, 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.

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
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 48 min at the start of May to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 4:51 AM to 4:21 AM, and sunset from 6:38 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.84:516:38
213.84:506:39
313.94:486:40
413.94:476:42
513.94:466:43
614.04:446:44
714.04:436:45
814.14:426:46
914.14:416:47
1014.14:406:48
1114.24:386:49
1214.24:376:50
1314.34:366:51
1414.34:356:52
1514.34:346:53
1614.44:336:54
1714.44:326:55
1814.44:316:56
1914.54:306:57
2014.54:296:58
2114.54:286:59
2214.54:287:00
2314.64:277:01
2414.64:267:02
2514.64:257:03
2614.74:247:04
2714.74:247:05
2814.74:237:06
2914.74:237:07
3014.84:227:08
3114.84:217:08

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.56 kWh/m².

For context, solar energy here swings from a low near 1.67 kWh/m² to a high of 5.95 kWh/m² in June across the year — May's 5.56 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.6Bright
185.6Bright
195.6Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Hazard calendar for Killingly Center

In seasonPeak

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

Killingly Center 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 May a good time to visit Killingly Center?

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

6.0
Sightseeing
4th-best month of the year
3.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Killingly Center for sightseeing.

What to pack for Killingly Center in May

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

In May, Killingly Center sees daytime highs around 68°F and nights near 49°F. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Killingly Center in May

The nearest coast averages about 51°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 34 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 Killingly Center in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Killingly Center 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 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 highHighModerateLowJul 11UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun7Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Killingly Center?

Killingly Center sits at 41.8°N, 71.9°W, 338 ft above sea level, in United States. The nearest listed city is Plainfield, 11 mi away.

Topography around Killingly Center

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

Within 2 miles, the terrain around Killingly Center has only modest variations in elevation — a maximum elevation change of 525 ft around an average of 407 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 797 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,024 ft.

The land around Killingly Center is covered by trees (83%) within 2 miles, trees (88%) within 10 miles, and trees (75%) within 50 miles.

2 miles
525 ft
10 miles
797 ft
50 miles
2,024 ft
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Plainfield 11 mi · Coventry 14 mi · Smithfield 17 mi · Windham 17 mi · Southbridge 19 mi · Johnston 19 mi · Mansfield City 19 mi · Willimantic 20 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 Killingly Center (41.8387°, -71.8692°, elevation 338 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).