Kazanlak weather in April

In April, Kazanlak sees average daytime highs of 16°C and overnight lows near 6°C, with 67 mm of precipitation across 11.6 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 18°C by the end. The sky is clear or mostly clear about 29% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 48 min by month's end. Set against the rest of the year, April is Kazanlak's 9th-clearest and 1st-windiest month. For the whole year in context, see Kazanlak's year-round climate.

Daytime high
16°
7th warmest
Overnight low
6th coldest
Precipitation
67 mm
11.6 wet days
Daylight
13 h 12 min
5:44 AM – 6:53 PM
Cloud cover
60%
9th clearest
Wind
8 km/h
1st windiest
Solar energy
5.12 kWh/m²
Travel score
4.8
out of 10

Kazanlak is city in Kazanlak municipality, Stara Zagora oblast, Bulgaria.

Density
1,329/km²
people per km²
Founded
1300

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 14°C in the first days to 18°C by the end.

A typical April day in Kazanlak reaches about 16°C in the afternoon and slips back to 6°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 21°C. Set against its neighbours, April runs about 5°C warmer than March and about 5°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1134
2144
3144
4145
5145
6145
7155
8155
9155
10155
11156
12156
13166
14166
15166
16166
17166
18167
19177
20177
21177
22177
23177
24187
25188
26188
27188
28188
29198
30199

How April really feels in Kazanlak

Once humidity and wind are folded in, April 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

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Kazanlak weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°4984.39.20.0
Feb / -1°487.63.710.30.7
Mar11° / 6310.23.211.62.6
Apr16° / 6711.60.613.14.8
May21° / 11°9514.2014.45.9
Jun25° / 15°8313.1015.16.4
Jul28° / 17°7110.4014.86.6
Aug28° / 17°507.5013.76.9
Sep23° / 13°527.2012.37.5
Oct17° / 587.20.310.85.9
Nov11° / 557.21.69.62.7
Dec / -1°608.53.58.90.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24456
34456
44555
54555
64555
74555
84555
94456
104555
114456
124456
134357
144456
154456
164456
174654
184654
194555
204654
214654
224654
234753
244852
254852
264951
274951
284951
294951
305050

Chance of precipitation in April

Any precipitationSnow

Kazanlak gets around 67 mm of rain and snow over 11.6 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 39% and peaks near 42% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1345
2345
3344
4354
5354
6364
7364
8374
9384
10394
11393
12403
13413
14413
15423
16422
17422
18422
19421
20411
21411
22411
23410
24400
25400
26400
27400
28400
29400
30400

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April 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%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27982
28982
29973
30973

Wind in April

Winds average 8 km/h in April, the windiest month of the year.

Across April, 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.

0246810151015202530
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
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over April. Sunrise moves from 6:10 AM to 5:22 AM, and sunset from 6:36 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:106:36
212.56:086:37
312.56:076:38
412.66:056:39
512.66:036:41
612.76:016:42
712.75:596:43
812.85:586:44
912.85:566:45
1012.95:546:46
1112.95:526:48
1213.05:516:49
1313.05:496:50
1413.15:476:51
1513.15:466:52
1613.25:446:53
1713.25:426:55
1813.35:416:56
1913.35:396:57
2013.35:376:58
2113.45:366:59
2213.45:347:00
2313.55:337:01
2413.55:317:03
2513.65:297:04
2613.65:287:05
2713.75:267:06
2813.75:257:07
2913.75:237:08
3013.85:227:10

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.12 kWh/m².

For context, solar energy here swings from a low near 1.51 kWh/m² to a high of 6.43 kWh/m² in June across the year — April's 5.12 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
125.0Bright
135.0Bright
145.0Bright
155.1Bright
165.1Bright
175.2Bright
185.2Bright
195.2Bright
205.3Bright
215.3Bright
225.3Bright
235.4Bright
245.4Bright
255.5Bright
265.5Bright
275.5Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in April

Is April a good time to visit Kazanlak?

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

4.8
Sightseeing
7th-best month of the year
0.8
Beach & pool
7th-best month of the year

April is a reasonable time to visit Kazanlak for sightseeing.

What to pack for Kazanlak in April

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

In April, Kazanlak sees daytime highs around 16°C and nights near 6°C. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

UV index in Kazanlak in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kazanlak peaks around July 15 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highVery highHighModerateLowJul 15UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr8Very high
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Kazanlak in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Kazanlak is worst in March — around 16 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2015 µg/m³Dec 1210 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar16Moderate
Apr14Moderate
May14Moderate
Jun14Moderate
Jul12Moderate
Aug12Good
Sep10Good
Oct10Good
Nov10Good
Dec10Good
Location & terrain

Where is Kazanlak?

Kazanlak sits at 42.6°N, 25.4°E, 366 m above sea level, in Bulgaria. The nearest listed city is Stara Zagora, 29 km away.

Stara ZagoraGabrovoChirpanKarlovoRakovskiSevlievoNova ZagoraVeliko Tarnovo

Topography around Kazanlak

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

Within 3 km, the terrain around Kazanlak has only modest variations in elevation — a maximum elevation change of 171 m around an average of 382 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,210 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,335 m.

The land around Kazanlak is covered by trees (26%), artificial surfaces (25%) and grassland (24%) within 3 km, trees (55%), grassland (20%) and cropland (20%) within 16 km, and trees (45%) and cropland (37%) within 80 km.

3 km
171 m
16 km
1,210 m
80 km
2,335 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Stara Zagora 29 km · Gabrovo 29 km · Chirpan 47 km · Karlovo 49 km · Rakovski 51 km · Sevlievo 51 km · Nova Zagora 53 km · Veliko Tarnovo 55 km

Bulgaria travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$20,328
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
96%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
9.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 594
Religion
Christian 65%Muslim 10%none 5%other 0%

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 Kazanlak (42.6167°, 25.4°, elevation 366 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).