Odorheiu Secuiesc weather in May

In May, Odorheiu Secuiesc sees average daytime highs of 19°C and overnight lows near 9°C, with 84 mm of rain across 15 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 18°C in the first days to 20°C by the end. The sky is clear or mostly clear about 23% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of May to 15 h 18 min by month's end. Set against the rest of the year, May is Odorheiu Secuiesc's 8th-clearest and 5th-windiest month. For the whole year in context, see Odorheiu Secuiesc's year-round climate.

Daytime high
19°
5th warmest
Overnight low
8th coldest
Rainfall
84 mm
15 wet days
Daylight
14 h 48 min
4:52 AM – 7:38 PM
Cloud cover
63%
8th clearest
Wind
8 km/h
5th windiest
Solar energy
5.51 kWh/m²
Travel score
5.4
out of 10

Odorheiu Secuiesc is locality in Harghita County, Romania.

Founded
1224

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 18°C in the first days to 20°C by the end.

A typical May day in Odorheiu Secuiesc reaches about 19°C in the afternoon and slips back to 9°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 25°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1187
2187
3187
4187
5187
6188
7188
8188
9198
10198
11198
12198
13198
14198
15199
16199
17199
18199
19199
20199
21209
22209
232010
242010
252010
262010
272010
282010
292010
302110
312111

How May really feels in Odorheiu Secuiesc

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.

Odorheiu Secuiesc 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 / -6°368.87.88.80.0
Feb / -5°347.86.1100.0
Mar / -1°4610.14.911.61.3
Apr14° / 6711.71.413.34.0
May19° / 8415014.75.4
Jun23° / 12°10414.4015.56.1
Jul25° / 14°8714.5015.26.4
Aug25° / 13°6511.20146.9
Sep20° / 609012.36.4
Oct14° / 5080.610.74.3
Nov / 408.33.59.21.1
Dec / -4°408.36.58.50.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34753
44753
54654
64654
74555
84555
94555
104456
114456
124357
134258
144258
154357
164258
174159
184060
194060
204060
214060
224060
233961
244060
254060
263961
274060
284060
294159
304159
314258

Chance of precipitation in May

Any precipitation

Odorheiu Secuiesc gets around 84 mm of rain over 15 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 48% and peaks near 53% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
138
239
339
440
541
642
743
844
945
1045
1146
1247
1347
1448
1548
1649
1749
1850
1950
2051
2151
2252
2352
2453
2553
2653
2753
2853
2953
3052
3152

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13982
14982
15982
16973
17973
18964
19955
20946
21937
22928
23919
249010
258911
268713
278614
288515
298317
308218
318020

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 06 min at the start of May to 15 h 18 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 5:13 AM to 4:38 AM, and sunset from 7:19 PM to 7:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:137:19
214.15:127:20
314.25:107:21
414.25:087:23
514.35:077:24
614.35:057:25
714.45:047:27
814.45:037:28
914.55:017:29
1014.55:007:31
1114.64:587:32
1214.64:577:33
1314.64:567:34
1414.74:547:36
1514.74:537:37
1614.84:527:38
1714.84:517:39
1814.84:507:41
1914.94:487:42
2014.94:477:43
2115.04:467:44
2215.04:457:45
2315.04:447:46
2415.14:437:47
2515.14:427:49
2615.14:427:50
2715.24:417:51
2815.24:407:52
2915.24:397:53
3015.34:387:54
3115.34:387:55

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.51 kWh/m².

For context, solar energy here swings from a low near 1.13 kWh/m² to a high of 5.81 kWh/m² in June across the year — May's 5.51 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.7Bright
315.7Bright
Planning a trip in May

Is May a good time to visit Odorheiu Secuiesc?

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

5.4
Sightseeing
5th-best month of the year
2.4
Beach & pool
5th-best month of the year

May is a reasonable time to visit Odorheiu Secuiesc for sightseeing.

What to pack for Odorheiu Secuiesc in May

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

In May, Odorheiu Secuiesc sees daytime highs around 19°C and nights near 9°C. Pack rain gear. Worth having: sun protection. About 15 days see rain.

rain gearsun protection

UV index in Odorheiu Secuiesc 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 Odorheiu Secuiesc peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 17UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr7Very high
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Odorheiu Secuiesc?

Odorheiu Secuiesc sits at 46.3°N, 25.3°E, 495 m above sea level, in Romania. The nearest listed city is Miercurea-Ciuc, 39 km away.

GheorgheniFăgărașSfântu GheorgheTârgu MureşCodleaReghin-Sat

Topography around Odorheiu Secuiesc

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

Within 3 km, the terrain around Odorheiu Secuiesc has significant variations in elevation — a maximum elevation change of 287 m around an average of 556 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 606 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,718 m.

The land around Odorheiu Secuiesc is covered by grassland (49%) and trees (29%) within 3 km, grassland (57%) and trees (34%) within 16 km, and trees (50%) and grassland (30%) within 80 km.

3 km
287 m
16 km
606 m
80 km
1,718 m
treesgrasslandcroplandartificial surfaces
May weather nearby: Miercurea-Ciuc 39 km · Sighisoara 40 km · Gheorgheni 52 km · Făgăraș 56 km · Sfântu Gheorghe 61 km · Târgu Mureş 63 km · Codlea 68 km · Reghin-Sat 70 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 Odorheiu Secuiesc (46.3°, 25.3°, elevation 495 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).