Harmanli weather in April

In April, Harmanli sees average daytime highs of 18°C and overnight lows near 7°C, with 54 mm of precipitation across 8.9 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 20°C by the end. The sky is clear or mostly clear about 34% 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 42 min by month's end. Set against the rest of the year, April is Harmanli's 7th-clearest and 3rd-windiest month. For the whole year in context, see Harmanli's year-round climate.

Daytime high
18°
7th warmest
Overnight low
6th coldest
Precipitation
54 mm
8.9 wet days
Daylight
13 h 06 min
5:43 AM – 6:51 PM
Cloud cover
56%
7th clearest
Wind
10 km/h
3rd windiest
Solar energy
5.15 kWh/m²
Travel score
5.8
out of 10

Harmanli is city in Harmanli municipality, Haskovo oblast, Bulgaria.

Density
368/km²
people per km²

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 15°C in the first days to 20°C by the end.

A typical April day in Harmanli reaches about 18°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 12°C and 23°C. Set against its neighbours, April runs about 5°C warmer than March and about 5°C cooler than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1155
2155
3155
4166
5166
6166
7166
8166
9176
10177
11177
12177
13177
14177
15177
16187
17187
18188
19188
20188
21198
22198
23198
24198
25199
26209
27209
28209
29209
30209

How April really feels in Harmanli

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.

Harmanli weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°517.33.19.30.4
Feb / 497.32.410.31.6
Mar12° / 608.81.911.73.5
Apr18° / 548.90.313.15.8
May23° / 12°6711.3014.36.7
Jun27° / 16°559.40156.5
Jul30° / 18°506.6014.75.6
Aug31° / 18°284.4013.75.7
Sep26° / 14°415.6012.37.7
Oct19° / 10°606.40.110.96.7
Nov13° / 546.50.89.63.8
Dec / 627.82.591.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24654
34654
44753
54753
64753
74852
84852
94951
104951
114951
124951
135050
145050
155050
165149
175149
185248
195248
205347
215347
225446
235446
245446
255446
265446
275545
285545
295545
305545

Chance of precipitation in April

Any precipitationSnow

Harmanli gets around 54 mm of rain and snow over 8.9 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 30% and peaks near 32% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1302
2302
3302
4312
5312
6312
7312
8312
9322
10322
11322
12322
13322
14321
15311
16311
17301
18301
19291
20291
21290
22290
23280
24280
25280
26290
27290
28290
29300
30310

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
141000
15991
16991
17991
18991
19991
20991
21991
22991
23982
24982
25982
26973
27973
28964
29955
30955

Wind in April

Winds average 10 km/h in April.

Across April, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
289calm
299calm
309calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over April. Sunrise moves from 6:08 AM to 5:21 AM, and sunset from 6:34 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:086:34
212.56:076:35
312.56:056:36
412.66:036:37
512.66:016:38
612.76:006:39
712.75:586:40
812.85:566:42
912.85:546:43
1012.95:536:44
1112.95:516:45
1212.95:496:46
1313.05:486:47
1413.05:466:48
1513.15:446:49
1613.15:436:51
1713.25:416:52
1813.25:396:53
1913.35:386:54
2013.35:366:55
2113.45:356:56
2213.45:336:57
2313.45:326:58
2413.55:307:00
2513.55:297:01
2613.65:277:02
2713.65:267:03
2813.75:247:04
2913.75:237:05
3013.75:217:06

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.15 kWh/m².

For context, solar energy here swings from a low near 1.52 kWh/m² to a high of 6.62 kWh/m² in June across the year — April's 5.15 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
94.9Bright
104.9Bright
114.9Bright
125.0Bright
135.0Bright
145.1Bright
155.1Bright
165.1Bright
175.2Bright
185.2Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.5Bright
255.5Bright
265.6Bright
275.6Bright
285.6Bright
295.7Bright
305.7Bright
Planning a trip in April

Is April a good time to visit Harmanli?

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

5.8
Sightseeing
5th-best month of the year
1.8
Beach & pool
7th-best month of the year

April is a reasonable time to visit Harmanli for sightseeing.

What to pack for Harmanli in April

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

In April, Harmanli sees daytime highs around 18°C and nights near 7°C. Worth packing: a warm layer, rain gear and sun protection. About 9 days see rain.

a warm layerrain gearsun protection

UV index in Harmanli in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Harmanli peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 17UV 9Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr8Very high
May7High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

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

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 1916 µg/m³Sep 1810 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar16Moderate
Apr15Moderate
May14Moderate
Jun13Moderate
Jul12Good
Aug11Good
Sep10Good
Oct11Good
Nov11Good
Dec11Good
Location & terrain

Where is Harmanli?

Harmanli sits at 41.9°N, 25.9°E, 61 m above sea level, in Bulgaria. The nearest listed city is Dimitrovgrad, 28 km away.

SvilengradKardzhaliChirpanStara ZagoraParvomayEdirne

Topography around Harmanli

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

Within 3 km, the terrain around Harmanli has only modest variations in elevation — a maximum elevation change of 178 m around an average of 114 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 361 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,691 m.

The land around Harmanli is covered by trees (29%), grassland (29%) and cropland (27%) within 3 km, cropland (34%), grassland (32%) and trees (31%) within 16 km, and cropland (42%), trees (35%) and grassland (20%) within 80 km.

3 km
178 m
16 km
361 m
80 km
1,691 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Dimitrovgrad 28 km · Haskovo 29 km · Svilengrad 31 km · Kardzhali 55 km · Chirpan 56 km · Stara Zagora 60 km · Parvomay 60 km · Edirne 61 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 Harmanli (41.9323°, 25.9017°, elevation 61 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).