Cortlandt Manor weather in May

In May, Cortlandt Manor sees average daytime highs of 68°F and overnight lows near 52°F, with 3.7 in of rain across 11.8 wet days and about 14.3 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 64°F in the first days to 73°F by the end. The sky is clear or mostly clear about 26% 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 Cortlandt Manor's 12th-clearest and 8th-windiest month. For the whole year in context, see Cortlandt Manor's year-round climate.

Daytime high
68°
5th warmest
Overnight low
52°
8th coldest
Rainfall
3.7 in
11.8 wet days
Daylight
14 h 18 min
4:42 AM – 7:01 PM
Cloud cover
65%
12th clearest
Wind
6 mph
8th windiest
Solar energy
5.53 kWh/m²
Travel score
6.0
out of 10

Cortlandt Manor is human settlement in Cortlandt, New York, United States of America.

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 64°F in the first days to 73°F by the end.

A typical May day in Cortlandt Manor reaches about 68°F in the afternoon and slips back to 52°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 57°F and 81°F. Set against its neighbours, May runs about 10°F warmer than April and about 9°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16447
26447
36448
46548
56548
66549
76549
86649
96650
106650
116750
126750
136751
146751
156851
166851
176852
186952
196953
206953
217053
227053
237154
247154
257155
267255
277255
287256
297356
307356
317357

How May really feels in Cortlandt Manor

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.

Cortlandt Manor weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan36° / 24°3.49.35.49.40.0
Feb39° / 24°3.08.84.510.30.0
Mar47° / 32°4.110.53.711.71.4
Apr59° / 42°3.710.80.613.14.3
May68° / 52°3.711.8014.36.0
Jun78° / 61°3.911.5014.96.4
Jul83° / 67°3.910.8014.75.8
Aug81° / 66°4.010.5013.76.4
Sep74° / 58°4.09.1012.36.9
Oct62° / 47°4.18.80.110.95.5
Nov51° / 37°3.28.30.79.72.6
Dec41° / 29°4.0103.79.10.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% 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 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44060
54060
64159
74060
84060
94060
103961
113961
123961
133862
143961
153961
163961
173961
184060
194060
203961
213961
224060
234060
244060
254060
264159
274159
284258
294258
304357
314258

Chance of precipitation in May

Any precipitation

Cortlandt Manor gets around 3.7 in of rain over 11.8 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 37% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
438
538
638
738
838
938
1037
1137
1237
1337
1436
1536
1636
1736
1837
1937
2037
2137
2237
2337
2438
2538
2638
2738
2838
2938
3038
3138

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 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
191720
290820
389830
489830
588930
687940
7861040
8851140
9841150
10831250
11831250
12811360
13811360
14791371
15781471
16771481
17761581
18741691
197216102
207017112
216917113
226618124
236518134
246319135
256020146
266020146
275721157
285721157
295422168
305323168
315223169

Wind in May

Winds average 6 mph in May.

Across May, 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
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:00 AM to 4:31 AM, and sunset from 6:45 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:006:45
213.84:596:46
313.84:586:47
413.94:566:48
513.94:556:49
613.94:546:51
714.04:526:52
814.04:516:53
914.14:506:54
1014.14:496:55
1114.14:486:56
1214.24:476:57
1314.24:466:58
1414.24:456:59
1514.34:437:00
1614.34:427:01
1714.34:427:02
1814.44:417:03
1914.44:407:04
2014.44:397:05
2114.54:387:06
2214.54:377:07
2314.54:367:08
2414.64:367:09
2514.64:357:10
2614.64:347:10
2714.64:337:11
2814.74:337:12
2914.74:327:13
3014.74:327:14
3114.74:317:15

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.53 kWh/m².

For context, solar energy here swings from a low near 1.69 kWh/m² to a high of 5.95 kWh/m² in June across the year — May's 5.53 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
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Hazard calendar for Cortlandt Manor

In seasonPeak

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

Cortlandt Manor 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 Cortlandt Manor?

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
3.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Cortlandt Manor for sightseeing.

What to pack for Cortlandt Manor in May

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

In May, Cortlandt Manor sees daytime highs around 68°F and nights near 52°F. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Cortlandt Manor in May

The nearest coast averages about 55°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 28 mi away) 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 Cortlandt Manor 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 Cortlandt Manor 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
Mar5Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Cortlandt Manor 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 Cortlandt Manor 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 Cortlandt Manor?

Cortlandt Manor sits at 41.3°N, 73.9°W, 440 ft above sea level, in United States. The nearest listed city is Peekskill, 2.5 mi away.

Topography around Cortlandt Manor

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

Within 2 miles, the terrain around Cortlandt Manor has only modest variations in elevation — a maximum elevation change of 623 ft around an average of 423 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,585 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,304 ft.

The land around Cortlandt Manor is covered by trees (90%) within 2 miles, trees (79%) within 10 miles, and trees (72%) within 50 miles.

2 miles
623 ft
10 miles
1,585 ft
50 miles
3,304 ft
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Peekskill 2.5 mi · Ossining 8.1 mi · New City 11 mi · Spring Valley 14 mi · Nanuet 15 mi · Monsey 16 mi · Kiryas Joel 16 mi · Newburgh 17 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 Cortlandt Manor (41.28°, -73.8716°, elevation 440 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).