Cranberry Township weather in May

In May, Cranberry Township sees average daytime highs of 70°F and overnight lows near 51°F, with 4.7 in of rain across 14.2 wet days and about 14.2 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 66°F in the first days to 74°F by the end. The sky is clear or mostly clear about 21% 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 Cranberry Township's 6th-clearest and 8th-windiest month. For the whole year in context, see Cranberry Township's year-round climate.

Daytime high
70°
5th warmest
Overnight low
51°
8th coldest
Rainfall
4.7 in
14.2 wet days
Daylight
14 h 18 min
5:09 AM – 7:24 PM
Cloud cover
65%
6th clearest
Wind
7 mph
8th windiest
Solar energy
5.6 kWh/m²
Travel score
5.8
out of 10

Cranberry Township is township in Butler County, Pennsylvania.

Founded
1796

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 66°F in the first days to 74°F by the end.

A typical May day in Cranberry Township reaches about 70°F in the afternoon and slips back to 51°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 57°F and 82°F. Set against its neighbours, May runs about 9°F warmer than April and about 8°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16546
26647
36647
46647
56748
66748
76748
86749
96849
106849
116849
126850
136950
146950
156950
166951
177051
187051
197051
207152
217152
227153
237253
247253
257253
267354
277354
287355
297455
307455
317455

How May really feels in Cranberry Township

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.

Cranberry Township weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan36° / 22°3.612.37.89.40.0
Feb39° / 23°3.010.86.110.40.0
Mar48° / 31°4.112.83.911.71.6
Apr61° / 42°4.714.21.113.14.4
May70° / 51°4.714.2014.25.8
Jun78° / 60°4.913.6014.96.1
Jul82° / 64°4.314014.65.9
Aug80° / 62°3.811.6013.66.3
Sep74° / 55°4.010.1012.36.7
Oct62° / 44°3.710.90.210.95.1
Nov49° / 35°3.510.51.79.72.1
Dec40° / 27°3.512.14.99.10.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23664
33664
43664
53763
63763
73763
83763
93664
103763
113763
123664
133664
143664
153862
163862
173862
183763
193763
203763
213862
223862
233961
243961
253961
264060
274060
284060
293961
304060
314159

Chance of precipitation in May

Any precipitation

Cranberry Township gets around 4.7 in of rain over 14.2 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 46% and peaks near 49% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
148
248
348
448
548
649
749
849
949
1049
1149
1249
1349
1449
1548
1647
1747
1846
1945
2045
2144
2243
2343
2443
2542
2642
2742
2842
2942
3042
3142

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 69% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1851140
2851140
3831250
4811360
5811360
6801370
7781480
8771481
9761491
10761491
117514101
127514101
137314112
147215112
157115122
167015123
176915133
186815134
196616144
206516145
216316156
226316156
236017167
245917168
255817178
265618179
275518189
2854181810
2953181910
3052181911
3150192011

Wind in May

Winds average 7 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
137calm
147calm
157calm
167calm
177calm
187calm
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 5:26 AM to 4:58 AM, and sunset from 7:09 PM to 7:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:267:09
213.85:257:10
313.85:247:11
413.85:227:12
513.95:217:13
613.95:207:14
713.95:197:15
814.05:177:16
914.05:167:17
1014.15:157:18
1114.15:147:19
1214.15:137:20
1314.25:127:21
1414.25:117:22
1514.25:107:23
1614.35:097:24
1714.35:087:25
1814.35:077:26
1914.45:067:27
2014.45:057:28
2114.45:047:29
2214.45:047:30
2314.55:037:31
2414.55:027:32
2514.55:017:33
2614.65:017:34
2714.65:007:35
2814.64:597:35
2914.64:597:36
3014.64:587:37
3114.74:587:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.6 kWh/m².

For context, solar energy here swings from a low near 1.47 kWh/m² to a high of 5.92 kWh/m² in June across the year — May's 5.6 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
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
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

Is May a good time to visit Cranberry Township?

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

5.8
Sightseeing
5th-best month of the year
3.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit Cranberry Township for sightseeing.

What to pack for Cranberry Township in May

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

In May, Cranberry Township sees daytime highs around 70°F and nights near 51°F. Pack rain gear. Worth having: sun protection. About 14 days see rain.

rain gearsun protection

UV index in Cranberry Township 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 Cranberry Township peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Cranberry Township 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 Cranberry Township is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Nov 147 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr11Good
May15Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is Cranberry Township?

Cranberry Township sits at 40.7°N, 80.1°W, 1,033 ft above sea level, in United States. The nearest listed city is Allison Park, 12 mi away.

Topography around Cranberry Township

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

Within 2 miles, the terrain around Cranberry Township has only modest variations in elevation — a maximum elevation change of 367 ft around an average of 1,109 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 768 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,578 ft.

The land around Cranberry Township is covered by trees (56%) and artificial surfaces (26%) within 2 miles, trees (72%) within 10 miles, and trees (71%) within 50 miles.

2 miles
367 ft
10 miles
768 ft
50 miles
1,578 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Allison Park 12 mi · Pittsburgh 18 mi · Penn Hills 19 mi · Wilkinsburg 21 mi · Plum 23 mi · Mount Lebanon 23 mi · Upper Saint Clair 24 mi · Monroeville 25 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 Cranberry Township (40.685°, -80.1071°, elevation 1,033 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. 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).