Willingboro weather in May

In May, Willingboro sees average daytime highs of 72°F and overnight lows near 55°F, with 3.4 in of rain across 11.3 wet days and about 14.2 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 68°F in the first days to 77°F by the end. The sky is clear or mostly clear about 25% 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 36 min by month's end. Set against the rest of the year, May is Willingboro's 12th-clearest and 8th-windiest month. For the whole year in context, see Willingboro's year-round climate.

Daytime high
72°
5th warmest
Overnight low
55°
8th coldest
Rainfall
3.4 in
11.3 wet days
Daylight
14 h 12 min
4:50 AM – 7:02 PM
Cloud cover
63%
12th clearest
Wind
7 mph
8th windiest
Solar energy
5.67 kWh/m²
Travel score
6.4
out of 10

Willingboro is township in Burlington County, New Jersey, United States.

Founded
1688

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 68°F in the first days to 77°F by the end.

A typical May day in Willingboro reaches about 72°F in the afternoon and slips back to 55°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 61°F and 84°F. Set against its neighbours, May runs about 9°F warmer than April and about 9°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16850
26850
36851
46951
56951
66951
76952
87052
97052
107053
117153
127153
137153
147154
157254
167254
177255
187355
197355
207356
217456
227456
237457
247557
257557
267658
277658
287658
297759
307759
317760

How May really feels in Willingboro

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.

Willingboro 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
Jan41° / 27°3.29.33.69.50.1
Feb44° / 28°3.08.93.310.40.7
Mar52° / 35°4.110.22.411.72.7
Apr63° / 45°3.510.60.4135.3
May72° / 55°3.411.3014.26.4
Jun81° / 64°3.811014.86.0
Jul86° / 70°3.911.2014.64.9
Aug84° / 68°4.110.9013.65.5
Sep77° / 61°3.89.1012.36.9
Oct66° / 49°3.68.5010.96.3
Nov55° / 39°2.97.90.29.83.8
Dec46° / 32°3.99.41.99.21.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24357
34456
44456
54456
64555
74456
84555
94456
104357
114357
124555
134555
144555
154357
164357
174357
184357
194456
204456
214456
224456
234357
244357
254456
264456
274357
284456
294456
304456
314456

Chance of precipitation in May

Any precipitation

Willingboro gets around 3.4 in of rain over 11.3 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 36% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
233
333
434
534
634
734
835
935
1035
1136
1236
1336
1437
1537
1637
1737
1837
1937
2038
2138
2238
2338
2438
2538
2638
2738
2838
2937
3037
3137

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 67% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
18510410
28311510
38311510
48112610
58112610
68012710
77813810
87713910
97713910
1076131010
1174131120
1274131120
1373131220
1472131320
1571131330
1670131430
1768141440
1867141540
1964151650
2063151660
2161161760
2259161870
2357171880
2455171990
2553172091
26511820101
27501821111
28491821111
29471921121
30461922121
31451922131

Wind in May

Winds average 7 mph in May.

Across May, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
37light breeze
47light breeze
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 42 min at the start of May to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over May. Sunrise moves from 5:06 AM to 4:39 AM, and sunset from 6:47 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:066:47
213.75:056:48
313.75:046:49
413.85:036:50
513.85:016:51
613.95:006:52
713.94:596:53
813.94:586:54
914.04:576:55
1014.04:566:56
1114.04:556:57
1214.14:546:58
1314.14:536:59
1414.14:517:00
1514.24:517:01
1614.24:507:02
1714.24:497:03
1814.34:487:04
1914.34:477:05
2014.34:467:06
2114.44:457:07
2214.44:447:07
2314.44:447:08
2414.44:437:09
2514.54:427:10
2614.54:427:11
2714.54:417:12
2814.54:407:13
2914.64:407:13
3014.64:397:14
3114.64:397:15

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.67 kWh/m².

For context, solar energy here swings from a low near 1.84 kWh/m² to a high of 6.08 kWh/m² in June across the year — May's 5.67 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Hazard calendar for Willingboro

In seasonPeak

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

Willingboro 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 Willingboro?

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

6.4
Sightseeing
2nd-best month of the year
4.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Willingboro for sightseeing.

What to pack for Willingboro in May

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

In May, Willingboro sees daytime highs around 72°F and nights near 55°F. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Willingboro 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 Willingboro peaks around July 11 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 11UV 8Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Willingboro 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 Willingboro is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Nov 129 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar15Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul18Moderate
Aug15Moderate
Sep12Good
Oct9Good
Nov9Good
Dec10Good
Location & terrain

Where is Willingboro?

Willingboro sits at 40.0°N, 74.9°W, 36 ft above sea level, in United States. The nearest listed city is Mount Laurel, 6.8 mi away.

Topography around Willingboro

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

Within 2 miles, the terrain around Willingboro has only modest variations in elevation — a maximum elevation change of 151 ft around an average of 59 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 318 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,421 ft.

The land around Willingboro is covered by trees (53%) within 2 miles, trees (48%) within 10 miles, and trees (64%) within 50 miles.

2 miles
151 ft
10 miles
318 ft
50 miles
1,421 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Mount Laurel 6.8 mi · Bensalem 6.8 mi · Parkwood Manor 6.8 mi · Maple Shade 8.1 mi · Holmesburg 8.7 mi · Levittown 9.3 mi · Vincentown 9.3 mi · Tacony 9.3 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 Willingboro (40.0279°, -74.8691°, elevation 36 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). 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).