Zărnești weather in May

In May, Zărnești sees average daytime highs of 16°C and overnight lows near 7°C, with 128 mm of precipitation across 18.9 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 15°C in the first days to 17°C by the end. The sky is clear or mostly clear about 16% 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 Zărnești's 12th-clearest and 4th-windiest month. For the whole year in context, see Zărnești's year-round climate.

Daytime high
16°
5th warmest
Overnight low
8th coldest
Precipitation
128 mm
18.9 wet days
Daylight
14 h 42 min
4:54 AM – 7:36 PM
Cloud cover
67%
12th clearest
Wind
6 km/h
4th windiest
Solar energy
5.32 kWh/m²
Travel score
4.0
out of 10

Zărnești is locality in Brașov County, Romania.

Founded
1367

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 17°C by the end.

A typical May day in Zărnești reaches about 16°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 11°C and 21°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)
1145
2155
3155
4155
5155
6155
7156
8156
9156
10166
11166
12166
13166
14166
15167
16167
17167
18167
19167
20177
21177
22177
23178
24178
25178
26178
27178
28178
29178
30188
31188

How May really feels in Zărnești

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.

Zărnești 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° / -8°388.38.98.90.0
Feb / -7°388.17.910.10.0
Mar / -3°5711.37.911.60.3
Apr11° / 8515.23.313.32.4
May16° / 12818.90.414.74.0
Jun20° / 10°13418.7015.45.0
Jul22° / 12°13117.4015.15.6
Aug22° / 12°11315.3013.96.0
Sep17° / 7510.80.112.35.5
Oct12° / 578.61.510.73.3
Nov / -1°488.34.79.30.7
Dec / -6°458.47.48.60.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% 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 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
44060
53961
63961
73862
83862
93763
103763
113763
123664
133664
143565
153466
163466
173466
183466
193367
203466
213367
223367
233466
243367
253466
263466
273565
283565
293466
303664
313664

Chance of precipitation in May

Any precipitationSnow

Zărnești gets around 128 mm of rain and snow over 18.9 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 61% and peaks near 65% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
1533
2533
3533
4542
5542
6552
7562
8572
9582
10582
11592
12601
13601
14611
15621
16621
17631
18631
19641
20641
21641
22651
23651
24651
25651
26651
27651
28651
29651
30651
31641

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
23991
24991
25991
26991
27991
28991
29982
30982
31973

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 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
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:15 AM to 4:40 AM, and sunset from 7:17 PM to 7:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:157:17
214.15:137:18
314.15:127:20
414.25:107:21
514.25:097:22
614.35:077:24
714.35:067:25
814.45:047:26
914.45:037:27
1014.45:027:29
1114.55:007:30
1214.54:597:31
1314.64:587:32
1414.64:567:33
1514.74:557:35
1614.74:547:36
1714.74:537:37
1814.84:527:38
1914.84:517:39
2014.84:507:40
2114.94:497:42
2214.94:487:43
2315.04:477:44
2415.04:467:45
2515.04:457:46
2615.04:447:47
2715.14:437:48
2815.14:427:49
2915.14:427:50
3015.24:417:51
3115.24:407:52

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.32 kWh/m².

For context, solar energy here swings from a low near 1.3 kWh/m² to a high of 5.69 kWh/m² in June across the year — May's 5.32 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
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
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Hazard calendar for Zărnești

In seasonPeak

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

Zărnești'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 Zărnești?

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

4.0
Sightseeing
5th-best month of the year
0.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Zărnești for sightseeing.

What to pack for Zărnești in May

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

In May, Zărnești sees daytime highs around 16°C and nights near 7°C. Pack rain gear. Worth having: a warm layer and sun protection. About 19 days see rain.

rain geara warm layersun protection

UV index in Zărnești 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 Zărnești peaks around July 18 at about 9 (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 18UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr8Very high
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Zărnești?

Zărnești sits at 45.6°N, 25.3°E, 716 m above sea level, in Romania. The nearest listed city is Râşnov, 11 km away.

FăgărașSfântu GheorgheBreaza

Topography around Zărnești

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

Within 3 km, the terrain around Zărnești has large variations in elevation — a maximum elevation change of 919 m around an average of 818 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,917 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,298 m.

The land around Zărnești is covered by trees (54%) and grassland (30%) within 3 km, trees (69%) and grassland (23%) within 16 km, and trees (62%) and grassland (25%) within 80 km.

3 km
919 m
16 km
1,917 m
80 km
2,298 m
treesgrasslandcroplandartificial surfaces
May weather nearby: Râşnov 11 km · Codlea 19 km · Brasov 24 km · Sinaia 30 km · Săcele 31 km · Făgăraș 42 km · Sfântu Gheorghe 50 km · Breaza 50 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 Zărnești (45.5609°, 25.3179°, elevation 716 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).