Farmingville weather in May

In May, Farmingville sees average daytime highs of 61°F and overnight lows near 53°F, with 3.3 in of rain across 10.2 wet days and about 14.2 hours of daylight. It is the 6th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 57°F in the first days to 65°F by the end. The sky is clear or mostly clear about 31% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 42 min at the start of May to 14 h 42 min by month's end. Set against the rest of the year, May is Farmingville's 12th-clearest and 9th-windiest month. For the whole year in context, see Farmingville's year-round climate.

Daytime high
61°
6th warmest
Overnight low
53°
7th coldest
Rainfall
3.3 in
10.2 wet days
Daylight
14 h 18 min
4:40 AM – 6:56 PM
Cloud cover
62%
12th clearest
Wind
10 mph
9th windiest
Solar energy
5.98 kWh/m²
Travel score
4.9
out of 10

Farmingville is census designated place in Suffolk County, New York, United States.

Density
1,450/km²
people per km²

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 57°F in the first days to 65°F by the end.

A typical May day in Farmingville reaches about 61°F in the afternoon and slips back to 53°F overnight — a 7°F spread between the day's warmth and the night's chill. On most days the high lands between 55°F and 67°F. Set against its neighbours, May runs about 9°F warmer than April and about 10°F cooler than June.

40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
15649
25649
35749
45750
55750
65850
75851
85851
95851
105951
115952
125952
136052
146053
156053
166053
176154
186154
196154
206255
216255
226255
236356
246356
256456
266457
276457
286558
296558
306558
316559

How May really feels in Farmingville

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.

Farmingville weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan39° / 31°3.79.949.40.0
Feb39° / 30°3.49.33.710.40.0
Mar44° / 36°4.410.22.811.70.8
Apr52° / 44°3.610.50.413.12.7
May61° / 53°3.310.2014.24.9
Jun70° / 64°3.49.6014.96.6
Jul77° / 71°3.28.8014.67.2
Aug76° / 70°3.89.4013.67.2
Sep71° / 65°3.78.9012.36.9
Oct62° / 55°4.38.9010.95.5
Nov53° / 45°3.68.80.39.73.1
Dec45° / 37°4.610.32.39.11.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34555
44654
54654
64555
74555
84654
94555
104456
114456
124456
134456
144456
154456
164456
174456
184456
194456
204456
214456
224357
234456
244456
254456
264654
274654
284654
294654
304654
314654

Chance of precipitation in May

Any precipitation

Farmingville gets around 3.3 in of rain over 10.2 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 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
234
334
434
534
634
734
834
934
1033
1133
1233
1333
1433
1532
1632
1732
1832
1932
2032
2132
2232
2332
2432
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 78% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
198200
297300
397300
496400
595500
695500
794600
893700
992800
1091900
11901000
12881110
13871210
14861310
15841420
16831520
17821620
18791830
19771940
20742150
21712261
22682471
23662581
24642691
256127111
265928121
275629132
285330152
295230162
304931182
314731193

Wind in May

Winds average 10 mph in May.

Across May, daily wind ranges from about 10 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
111light breeze
211light breeze
311light breeze
411light breeze
511light breeze
611light breeze
711light breeze
811light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze
3110light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 42 min at the start of May to 14 h 42 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 4:58 AM to 4:29 AM, and sunset from 6:41 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.74:586:41
213.84:566:42
313.84:556:43
413.84:546:44
513.94:526:45
613.94:516:46
714.04:506:47
814.04:496:48
914.04:486:49
1014.14:476:50
1114.14:456:51
1214.14:446:52
1314.24:436:53
1414.24:426:54
1514.24:416:55
1614.34:406:56
1714.34:396:57
1814.34:386:58
1914.44:376:59
2014.44:377:00
2114.44:367:01
2214.54:357:02
2314.54:347:03
2414.54:337:04
2514.54:337:05
2614.64:327:06
2714.64:317:07
2814.64:317:08
2914.64:307:08
3014.74:307:09
3114.74:297:10

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.98 kWh/m².

For context, solar energy here swings from a low near 1.75 kWh/m² to a high of 6.48 kWh/m² in June across the year — May's 5.98 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
166.0Bright
176.0Bright
186.0Intense
196.0Intense
206.0Intense
216.1Intense
226.1Intense
236.1Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in May

Hazard calendar for Farmingville

In seasonPeak

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

Farmingville 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 Farmingville?

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

4.9
Sightseeing
6th-best month of the year
0.8
Beach & pool
6th-best month of the year

May is a reasonable time to visit Farmingville for sightseeing.

What to pack for Farmingville in May

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

In May, Farmingville sees daytime highs around 61°F and nights near 53°F. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

Sea temperature near Farmingville in May

The nearest coast averages about 54°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 15 mi away) is warmest in August at about 73°F and coldest in February near 40°F.

It's comfortable for a long swim from Jul 3 to Sep 23 — about 2.7 months when the water holds above 68°F.

40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan43Bracing
Feb40Bracing
Mar40Bracing
Apr45Bracing
May54Bracing
Jun64Cool
Jul72Refreshing
Aug73Refreshing
Sep70Refreshing
Oct63Cool
Nov55Bracing
Dec49Bracing

UV index in Farmingville in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Farmingville 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 22 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 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Farmingville in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Farmingville is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1016 µg/m³Nov 178 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar14Moderate
Apr15Moderate
May16Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep11Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Farmingville?

Farmingville sits at 40.8°N, 73.0°W, 105 ft above sea level, in United States. The nearest listed city is Holtsville, 1.2 mi away.

Topography around Farmingville

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

Within 2 miles, the terrain around Farmingville has only modest variations in elevation — a maximum elevation change of 282 ft around an average of 148 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 335 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,056 ft.

The land around Farmingville is covered by trees (68%) within 2 miles, trees (61%) within 10 miles, and water (53%) and trees (35%) within 50 miles.

2 miles
282 ft
10 miles
335 ft
50 miles
1,056 ft
treesgrasslandartificial surfaceswaterwetland
May weather nearby: Holtsville 1.2 mi · Medford 1.9 mi · Selden 2.5 mi · Holbrook 3.1 mi · Coram 3.1 mi · Centereach 4.3 mi · East Patchogue 5.0 mi · Lake Ronkonkoma 5.6 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 Farmingville (40.8312°, -73.0296°, elevation 105 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).