Harmanli in Spring
In spring (March, April and May), Harmanli sees average daytime highs around 18°C and overnight lows near 7°C, with 181 mm of precipitation over about 29 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Over the season highs climb from about 11°C in early March to 24°C by late May. The sky is clear or mostly clear about 34% of the time across spring, and the air most often feels dry.
Spring is Harmanli's 3rd-best season to visit on our travel score. For the whole year in context, see Harmanli's year-round climate.
- Avg daytime high
- 18°C
- 3rd-warmest season
- Avg overnight low
- 7°C
- Precipitation
- 181 mm
- 29 wet days
- Avg wind
- 10 km/h
- Travel score
- 5.3
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Harmanli in Spring
Over the season highs climb from about 11°C in early March to 24°C by late May.
A typical spring day in Harmanli reaches about 18°C and drops to 7°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Harmanli
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 14 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Harmanli weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 6° / -1° | 51 | 7.3 | 3.1 | 9.3 | 0.4 |
| Feb | 8° / 0° | 49 | 7.3 | 2.4 | 10.3 | 1.6 |
| Mar | 12° / 3° | 60 | 8.8 | 1.9 | 11.7 | 3.5 |
| Apr | 18° / 7° | 54 | 8.9 | 0.3 | 13.1 | 5.8 |
| May | 23° / 12° | 67 | 11.3 | 0 | 14.3 | 6.7 |
| Jun | 27° / 16° | 55 | 9.4 | 0 | 15 | 6.5 |
| Jul | 30° / 18° | 50 | 6.6 | 0 | 14.7 | 5.6 |
| Aug | 31° / 18° | 28 | 4.4 | 0 | 13.7 | 5.7 |
| Sep | 26° / 14° | 41 | 5.6 | 0 | 12.3 | 7.7 |
| Oct | 19° / 10° | 60 | 6.4 | 0.1 | 10.9 | 6.7 |
| Nov | 13° / 5° | 54 | 6.5 | 0.8 | 9.6 | 3.8 |
| Dec | 7° / 0° | 62 | 7.8 | 2.5 | 9 | 1.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 34% of the time across spring.
Chance of precipitation in Spring
Harmanli gets around 181 mm of rain and snow over 29 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 10 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 54 min in early March to 14 h 48 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.0 kWh/m².
Is spring a good time to visit Harmanli?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Harmanli for sightseeing.
What to pack for Harmanli in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Harmanli sees daytime highs around 18°C and nights near 7°C. Pack sun protection. Worth having: light clothes, a warm layer and rain gear. About 29 days see rain.
UV index in Harmanli in Spring
Clear-sky midday UV across spring averages 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 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 8 | 7 | 8 | 9 | 8 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | Very high | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 8 | Very high |
| May | 7 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Air quality in Harmanli in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 14 | 14 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 11 | 11 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 14 | Moderate |
| Mar | 16 | Moderate |
| Apr | 15 | Moderate |
| May | 14 | Moderate |
| Jun | 13 | Moderate |
| Jul | 12 | Good |
| Aug | 11 | Good |
| Sep | 10 | Good |
| Oct | 11 | Good |
| Nov | 11 | Good |
| Dec | 11 | Good |
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.
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.
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
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.