Petrila weather in May

In May, Petrila sees average daytime highs of 15°C and overnight lows near 6°C, with 170 mm of precipitation across 22.2 wet days and about 14.7 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 16°C by the end. The sky is clear or mostly clear about 14% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 hours at the start of May to 15 h 12 min by month's end. Set against the rest of the year, May is Petrila's 12th-clearest and 5th-windiest month. For the whole year in context, see Petrila's year-round climate.

Daytime high
15°
5th warmest
Overnight low
8th coldest
Precipitation
170 mm
22.2 wet days
Daylight
14 h 42 min
5:02 AM – 7:43 PM
Cloud cover
70%
12th clearest
Wind
6 km/h
5th windiest
Solar energy
5.36 kWh/m²
Travel score
3.2
out of 10

Petrila is locality in Hunedoara County, Romania.

Founded
1493

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 14°C in the first days to 16°C by the end.

A typical May day in Petrila reaches about 15°C in the afternoon and slips back to 6°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 20°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1134
2134
3144
4144
5145
6145
7145
8145
9145
10145
11145
12155
13155
14156
15156
16156
17156
18156
19156
20156
21156
22157
23167
24167
25167
26167
27167
28167
29167
30167
31167

How May really feels in Petrila

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.

Petrila 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 (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -7°5511.211.58.90.0
Feb / -6°551110.710.10.0
Mar / -3°7713.611.411.60.1
Apr10° / 11917.85.813.21.8
May15° / 17022.21.214.73.2
Jun19° / 18420.90.115.44.4
Jul20° / 11°17419.5015.15.1
Aug21° / 11°14317.9013.95.4
Sep16° / 10213.80.212.34.7
Oct11° / 7310.32.210.72.8
Nov / -1°6210.66.59.30.5
Dec-0° / -6°6611.410.88.60.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33763
43565
53565
63565
73565
83565
93466
103466
113466
123367
133367
143367
153367
163367
173268
183268
193268
203268
213169
223169
233169
243268
253268
263268
273268
283268
293268
303466
313466

Chance of precipitation in May

Any precipitationSnow

Petrila gets around 170 mm of rain and snow over 22.2 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 72% and peaks near 75% on the wettest days, and about 1 day brings snow. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
1656
2655
3655
4665
5665
6674
7684
8684
9694
10704
11714
12714
13724
14734
15733
16733
17733
18743
19743
20743
21743
22743
23753
24753
25753
26753
27753
28753
29752
30752
31752

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 100% 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
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
28991
29991
30991
31982

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 hours at the start of May to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over May. Sunrise moves from 5:23 AM to 4:48 AM, and sunset from 7:24 PM to 7:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:237:24
214.15:217:26
314.15:207:27
414.25:187:28
514.25:177:30
614.35:157:31
714.35:147:32
814.45:127:33
914.45:117:35
1014.45:107:36
1114.55:087:37
1214.55:077:38
1314.65:067:40
1414.65:047:41
1514.65:037:42
1614.75:027:43
1714.75:017:44
1814.85:007:45
1914.84:597:47
2014.84:587:48
2114.94:577:49
2214.94:567:50
2314.94:557:51
2415.04:547:52
2515.04:537:53
2615.04:527:54
2715.14:517:55
2815.14:507:56
2915.14:507:57
3015.24:497:58
3115.24:487:59

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.36 kWh/m².

For context, solar energy here swings from a low near 1.25 kWh/m² to a high of 5.84 kWh/m² in June across the year — May's 5.36 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
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.6Bright
Planning a trip in May

Hazard calendar for Petrila

In seasonPeak

In May, Petrila sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Petrila's rainy season runs April–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Petrila?

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

3.2
Sightseeing
5th-best month of the year
0.2
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Petrila.

What to pack for Petrila in May

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

In May, Petrila sees daytime highs around 15°C and nights near 6°C. Pack rain gear. Worth having: a warm layer and sun protection. About 22 days see rain.

rain geara warm layersun protection

UV index in Petrila in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Petrila peaks around July 15 at about 8 (very high) — 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 15UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr8Very high
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Petrila?

Petrila sits at 45.5°N, 23.4°E, 676 m above sea level, in Romania. The nearest listed city is Petroşani, 5.0 km away.

CugirTârgu JiuOrăştieHunedoaraSebeş

Topography around Petrila

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

Within 3 km, the terrain around Petrila has significant variations in elevation — a maximum elevation change of 587 m around an average of 795 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,014 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,416 m.

The land around Petrila is covered by trees (53%) and grassland (39%) within 3 km, trees (76%) and grassland (22%) within 16 km, and trees (68%) and grassland (21%) within 80 km.

3 km
587 m
16 km
2,014 m
80 km
2,416 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Petroşani 5.0 km · Vulcan 14 km · Lupeni 17 km · Cugir 43 km · Târgu Jiu 46 km · Orăştie 46 km · Hunedoara 52 km · Sebeş 58 km

Romania travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 44% of US
price level, 2025
GDP per capita
$22,538
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
82%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
10.3
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 605
Religion
Romanian Orthodox 85%other 5%Roman Catholic 5%Reformed 3%

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 Petrila (45.45°, 23.4167°, elevation 676 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).