Gradačac weather in May

In May, Gradačac sees average daytime highs of 23°C and overnight lows near 12°C, with 84 mm of rain across 12.7 wet days and about 14.6 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 30% 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 06 min by month's end. Set against the rest of the year, May is Gradačac's 6th-clearest and 4th-windiest month. For the whole year in context, see Gradačac's year-round climate.

Daytime high
23°
5th warmest
Overnight low
12°
8th coldest
Rainfall
84 mm
12.7 wet days
Daylight
14 h 36 min
4:24 AM – 7:01 PM
Cloud cover
58%
6th clearest
Wind
8 km/h
4th windiest
Solar energy
5.61 kWh/m²
Travel score
6.4
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 24°C by the end.

A typical May day in Gradačac reaches about 23°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 28°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12110
22110
32110
42210
52211
62211
72211
82211
92211
102211
112211
122211
132211
142211
152212
162212
172212
182312
192312
202312
212312
222312
232312
242313
252313
262313
272413
282413
292413
302413
312414

How May really feels in Gradačac

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.

Gradačac 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 / -2°539.34.790.0
Feb / -1°529.34.110.11.0
Mar13° / 5910.42.111.63.5
Apr18° / 6811.40.413.25.5
May23° / 12°8412.7014.66.4
Jun26° / 15°8611.6015.36.5
Jul28° / 17°7510.10156.2
Aug28° / 17°578.1013.96.4
Sep23° / 12°679.3012.37.0
Oct18° / 577.8010.76.0
Nov11° / 619.11.99.42.8
Dec / -1°619.83.78.70.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
25050
35149
45149
55149
65149
75149
85149
95248
105248
115248
125248
135248
145248
155248
165248
175149
185149
195149
205050
215149
225050
235050
245050
254951
264951
274951
284951
295050
305050
315050

Chance of precipitation in May

Any precipitation

Gradačac gets around 84 mm of rain over 12.7 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 41% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
439
539
639
739
839
940
1040
1140
1240
1340
1440
1540
1641
1741
1841
1942
2042
2142
2242
2343
2443
2543
2643
2743
2843
2943
3043
3143

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 (%)
1891010
2881110
3871210
4861310
5851410
6841510
7821710
8811810
9791920
10782020
11772120
12762220
13752320
14732520
15712630
16702730
17682840
18662950
19652960
20633070
21623080
22603190
235931100
245732110
255632120
265433130
275133151
285033161
294834181
304634191
314434211

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
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
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 hours at the start of May to 15 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over May. Sunrise moves from 4:44 AM to 4:10 AM, and sunset from 6:43 PM to 7:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.04:446:43
214.04:426:44
314.14:416:46
414.14:396:47
514.24:386:48
614.24:366:49
714.34:356:51
814.34:346:52
914.34:326:53
1014.44:316:54
1114.44:306:56
1214.54:286:57
1314.54:276:58
1414.64:266:59
1514.64:257:00
1614.64:247:01
1714.74:237:03
1814.74:217:04
1914.74:207:05
2014.84:197:06
2114.84:187:07
2214.84:177:08
2314.94:167:09
2414.94:167:10
2514.94:157:11
2615.04:147:12
2715.04:137:13
2815.04:127:14
2915.14:127:15
3015.14:117:16
3115.14:107:17

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.61 kWh/m².

For context, solar energy here swings from a low near 1.16 kWh/m² to a high of 6.02 kWh/m² in July across the year — May's 5.61 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.5Bright
35.5Bright
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
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Is May a good time to visit Gradačac?

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

6.4
Sightseeing
3rd-best month of the year
4.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Gradačac for sightseeing.

What to pack for Gradačac in May

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

In May, Gradačac sees daytime highs around 23°C and nights near 12°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Gradačac 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 Gradačac peaks around July 24 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 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 24UV 8Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar5Moderate
Apr7High
May7High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Gradačac 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 Gradačac is worst in April — around 16 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1516 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar15Moderate
Apr16Moderate
May15Moderate
Jun15Moderate
Jul13Moderate
Aug14Moderate
Sep11Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Gradačac?

Gradačac sits at 44.9°N, 18.4°E, 139 m above sea level, in Bosnia and Herzegovina. The nearest listed city is Gračanica, 22 km away.

GračanicaBrčkoDobojLukavacTuzlaSlavonski BrodĐakovoTeslic

Topography around Gradačac

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

Within 3 km, the terrain around Gradačac has only modest variations in elevation — a maximum elevation change of 184 m around an average of 170 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 573 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,370 m.

The land around Gradačac is covered by trees (47%) and grassland (33%) within 3 km, trees (56%) and cropland (24%) within 16 km, and trees (58%) and cropland (29%) within 80 km.

3 km
184 m
16 km
573 m
80 km
1,370 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Gračanica 22 km · Brčko 31 km · Doboj 31 km · Lukavac 38 km · Tuzla 42 km · Slavonski Brod 45 km · Đakovo 48 km · Teslic 54 km

Bosnia and Herzegovina travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 40% of US
price level, 2025
GDP per capita
$10,382
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
86%
of population, 2024
Homicide rate
1.2
per 100k, 2023
Road deaths
13.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 591
Religion
Muslim 51%Orthodox 31%Roman Catholic 15%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 Gradačac (44.8785°, 18.4276°, elevation 139 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. 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).