Climate normals · 1970–2000
Sliven Climate
Sliven is a city in Bulgaria (56) with a population of about 83,740. Its average annual temperature is 10.6°C (51°F), with roughly 637 mm of rain per year.
10.6°C
Avg Temp
637
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
Sliven Climate
Sliven has an average annual temperature of 10.6°C (51°F) and receives about 637 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.6°C
Avg Temp
637
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 0° / 33° | 42 mm |
| February | 2° / 35° | 47 mm |
| March | 5° / 40° | 47 mm |
| April | 10° / 50° | 60 mm |
| May | 15° / 59° | 70 mm |
| June | 19° / 65° | 71 mm |
| July | 21° / 69° | 53 mm |
| August | 21° / 69° | 47 mm |
| September | 17° / 62° | 42 mm |
| October | 11° / 53° | 46 mm |
| November | 6° / 43° | 58 mm |
| December | 2° / 36° | 54 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Sliven
The most comfortable months to visit Sliven are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 26°C high). The coldest is January (near -3°C low). June is usually the wettest month.
Where to stay near Sliven
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Frequently Asked Questions
The most comfortable months to visit Sliven are typically August, July and June, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Sliven, Bulgaria has an average annual temperature of 10.6°C and about 637 mm of precipitation per year. The warmest month is July and the coldest is January.
In July, the hottest month, daily highs in Sliven average about 26°C (79°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.