Sulmona weather in May

In May, Sulmona sees average daytime highs of 17°C and overnight lows near 7°C, with 109 mm of precipitation across 14.5 wet days and about 14.3 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 18°C 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 48 min at the start of May to 14 h 48 min by month's end. Set against the rest of the year, May is Sulmona's 7th-clearest and 7th-windiest month. For the whole year in context, see Sulmona's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Precipitation
109 mm
14.5 wet days
Daylight
14 h 24 min
4:49 AM – 7:12 PM
Cloud cover
58%
7th clearest
Wind
5 km/h
7th windiest
Solar energy
6.11 kWh/m²
Travel score
4.9
out of 10

Sulmona is chief town of the homonym municipality.

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 15°C in the first days to 18°C by the end.

A typical May day in Sulmona reaches about 17°C in the afternoon and slips back to 7°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 21°C. Set against its neighbours, May runs about 4°C warmer than April and about 5°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1155
2155
3155
4155
5155
6166
7166
8166
9166
10166
11166
12166
13166
14176
15176
16177
17177
18177
19177
20177
21177
22177
23187
24187
25187
26188
27188
28188
29198
30198
31198

How May really feels in Sulmona

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
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.

Sulmona weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°8410.97.69.30.0
Feb / -3°7710.97.410.30.2
Mar / -0°9913.76.611.71.6
Apr12° / 10514.72.513.13.0
May17° / 10914.50.114.34.9
Jun21° / 11°7810.90156.7
Jul24° / 13°688.8014.77.7
Aug24° / 13°619.2013.77.5
Sep20° / 10°9011.3012.36.2
Oct16° / 8610.70.410.94.8
Nov10° / 10911.92.69.62.3
Dec / -2°9812.16.690.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 23% of May, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34456
44555
54555
64654
74753
84753
94852
104852
114852
124951
134951
144951
154951
165050
175050
184951
195050
205149
215050
225149
235149
245248
255248
265248
275347
285347
295347
305347
315446

Chance of precipitation in May

Any precipitation

Sulmona gets around 109 mm of rain and snow over 14.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 47% and peaks near 52% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
152
252
352
451
551
650
749
849
948
1047
1147
1247
1346
1446
1546
1646
1745
1846
1946
2046
2146
2246
2346
2445
2545
2645
2745
2845
2945
3044
3144

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23982
24982
25982
26973
27973
28964
29964
30955
31946

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 48 min at the start of May to 14 h 48 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 5:08 AM to 4:38 AM, and sunset from 6:55 PM to 7:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:086:55
213.85:066:57
313.95:056:58
413.95:036:59
514.05:027:00
614.05:017:01
714.05:007:02
814.14:587:03
914.14:577:04
1014.24:567:05
1114.24:557:06
1214.24:547:08
1314.34:537:09
1414.34:517:10
1514.34:507:11
1614.44:497:12
1714.44:487:13
1814.44:477:14
1914.54:467:15
2014.54:467:16
2114.54:457:17
2214.64:447:18
2314.64:437:19
2414.64:427:20
2514.74:417:21
2614.74:417:22
2714.74:407:22
2814.74:397:23
2914.84:397:24
3014.84:387:25
3114.84:387:26

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.11 kWh/m².

For context, solar energy here swings from a low near 1.66 kWh/m² to a high of 6.77 kWh/m² in July across the year — May's 6.11 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
105.9Bright
116.0Bright
126.0Bright
136.0Intense
146.0Intense
156.1Intense
166.1Intense
176.1Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.4Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in May

Is May a good time to visit Sulmona?

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

4.9
Sightseeing
5th-best month of the year
1.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Sulmona for sightseeing.

What to pack for Sulmona in May

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

In May, Sulmona sees daytime highs around 17°C and nights near 7°C. Pack rain gear and sun protection. Worth having: a warm layer. About 15 days see rain.

rain gearsun protectiona warm layer

Sea temperature near Sulmona in May

The nearest coast averages about 18°C 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 52 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from May 31 to Oct 15 — about 4.5 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr14Bracing
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep23Refreshing
Oct20Cool
Nov17Cool
Dec15Cool

UV index in Sulmona 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 Sulmona peaks around July 16 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highVery highHighModerateLowJul 16UV 10Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5High
Apr5High
May7Very high
Jun9Very high
Jul10Extreme
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Sulmona 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 Sulmona is worst in April — around 19 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1219 µg/m³Sep 1813 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar18Moderate
Apr19Moderate
May16Moderate
Jun15Moderate
Jul14Moderate
Aug14Moderate
Sep12Moderate
Oct14Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Sulmona?

Sulmona sits at 42.0°N, 13.9°E, 405 m above sea level, in Italy. The nearest listed city is Chieti, 39 km away.

Topography around Sulmona

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sulmona.

Within 3 km, the terrain around Sulmona has significant variations in elevation — a maximum elevation change of 272 m around an average of 416 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,541 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,846 m.

The land around Sulmona is covered by cropland (30%) and trees (29%) within 3 km, trees (56%) and grassland (31%) within 16 km, and trees (52%) and grassland (21%) within 80 km.

3 km
272 m
16 km
2,541 m
80 km
2,846 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Chieti 39 km · Avezzano 41 km · Lanciano 43 km · Sora 45 km · Francavilla al Mare 51 km · Pescara 51 km · Montesilvano 54 km · L'Aquila 55 km

Italy travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
230 V · 50 Hz
Prices
≈ 69% of US
price level, 2025
GDP per capita
$43,309
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 513
Religion
Christian 81%unaffiliated 13%Muslim 5%other 1%

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 Sulmona (42.0495°, 13.9258°, elevation 405 m), 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. 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).