Jackson weather in May

In May, Jackson sees average daytime highs of 72°F and overnight lows near 55°F, with 3.4 in of rain across 11.1 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 69°F in the first days to 77°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 36 min by month's end. Set against the rest of the year, May is Jackson's 12th-clearest and 8th-windiest month. For the whole year in context, see Jackson's year-round climate.

Daytime high
72°
5th warmest
Overnight low
55°
8th coldest
Rainfall
3.4 in
11.1 wet days
Daylight
14 h 12 min
4:50 AM – 7:01 PM
Cloud cover
63%
12th clearest
Wind
7 mph
8th windiest
Solar energy
5.76 kWh/m²
Travel score
6.5
out of 10

Jackson is unincorporated community in Waterford Township, Camden County, New Jersey.

Founded
1695

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 69°F in the first days to 77°F by the end.

A typical May day in Jackson reaches about 72°F in the afternoon and slips back to 55°F overnight — a 17°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)
16851
26851
36951
46951
56952
66952
77052
87053
97053
107053
117153
127154
137154
147154
157254
167255
177255
187355
197356
207356
217456
227457
237457
247558
257558
267658
277659
287659
297759
307760
317760

How May really feels in Jackson

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.

Jackson 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
Jan42° / 28°3.29.23.19.50.2
Feb44° / 29°3.093.210.40.9
Mar52° / 36°4.110.41.911.72.8
Apr63° / 46°3.510.50.3135.4
May72° / 55°3.411.1014.26.5
Jun82° / 65°4.011.1014.85.9
Jul86° / 70°4.112.2014.54.8
Aug84° / 68°4.611.4013.65.5
Sep78° / 61°3.99.3012.36.9
Oct67° / 50°3.78.2010.96.4
Nov56° / 40°2.980.29.83.9
Dec46° / 33°3.99.31.79.21.4

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 19% of May, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24654
34654
44555
54654
64555
74654
84555
94654
104555
114654
124654
134654
144654
154555
164555
174555
184555
194555
204555
214456
224456
234654
244654
254654
264654
274654
284654
294555
304555
314555

Chance of precipitation in May

Any precipitation

Jackson gets around 3.4 in of rain over 11.1 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 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
132
232
332
433
533
633
733
834
934
1034
1135
1235
1335
1435
1535
1635
1736
1836
1936
2037
2137
2237
2337
2437
2537
2638
2738
2838
2938
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 66% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
18411410
28212510
38212510
48013610
58013610
67913710
77714810
87714810
97614910
1074141020
1174141020
1273141120
1372141130
1471141230
1569141340
1669141340
1767151440
1865151550
1963161560
2062161660
2159171770
2257171880
2355181890
2454181990
25521820100
26501920110
27491921111
28471921121
29462021121
30442022131
31432022141

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
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
167light breeze
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 5:07 AM to 4:39 AM, and sunset from 6:46 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:076:46
213.75:066:47
313.75:046:48
413.85:036:49
513.85:026:50
613.85:016:51
713.95:006:52
813.94:586:53
914.04:576:54
1014.04:566:55
1114.04:556:56
1214.14:546:57
1314.14:536:58
1414.14:526:59
1514.24:517:00
1614.24:507:01
1714.24:497:02
1814.24:487:03
1914.34:477:04
2014.34:477:05
2114.34:467:06
2214.44:457:07
2314.44:447:08
2414.44:447:09
2514.44:437:09
2614.54:427:10
2714.54:427:11
2814.54:417:12
2914.54:407:13
3014.64:407:13
3114.64:397:14

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.76 kWh/m².

For context, solar energy here swings from a low near 1.87 kWh/m² to a high of 6.17 kWh/m² in June across the year — May's 5.76 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
276.0Bright
286.0Bright
296.0Bright
306.0Intense
316.0Intense
Planning a trip in May

Hazard calendar for Jackson

In seasonPeak

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

Jackson 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 Jackson?

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

6.5
Sightseeing
2nd-best month of the year
4.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Jackson for sightseeing.

What to pack for Jackson in May

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

In May, Jackson 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

Sea temperature near Jackson in May

The nearest coast averages about 56°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 38 mi away) is warmest in August at about 75°F and coldest in February near 39°F.

It's comfortable for a long swim from Jun 25 to Oct 2 — about 3.3 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan42Bracing
Feb39Bracing
Mar41Bracing
Apr47Bracing
May56Bracing
Jun66Cool
Jul73Refreshing
Aug75Refreshing
Sep72Refreshing
Oct65Cool
Nov56Bracing
Dec48Bracing

UV index in Jackson 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 Jackson peaks around July 11 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Jackson 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 Jackson 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 Jackson?

Jackson sits at 39.8°N, 74.9°W, 121 ft above sea level, in United States. The nearest listed city is Sicklerville, 6.8 mi away.

Topography around Jackson

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

Within 2 miles, the terrain around Jackson has only modest variations in elevation — a maximum elevation change of 125 ft around an average of 131 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 233 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,106 ft.

The land around Jackson is covered by trees (83%) within 2 miles, trees (76%) within 10 miles, and trees (54%) and water (21%) within 50 miles.

2 miles
125 ft
10 miles
233 ft
50 miles
1,106 ft
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Sicklerville 6.8 mi · Lindenwold 8.1 mi · Williamstown 9.3 mi · Mount Laurel 11 mi · Vincentown 12 mi · Maple Shade 14 mi · Cherry Hill 14 mi · Glassboro 14 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 Jackson (39.7765°, -74.8624°, elevation 121 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).