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When to go · Climate guide
Bulgariawhen to go
Bulgaria's national averages run from 5 °C in January to 29 °C in August, with rainfall between 34 mm in September and 87 mm in May and 3.4–8.7 hours of sun a day. Against the default preferences (under 2.7 mm of rain a day, at least 6 hours of sun), the strongest months are July, August and September. Its 28 regions span 15–20 °C in annual mean temperature, so the national figure hides a good deal.
- Capital
- Sofia
- Region
- Europe
- TZ
- Europe/Sofia
- Area
- 112,610 km²
Best months to visit
When Bulgaria shines
Climate at a glance · 10-year ERA5
A decade of weather, in one page
— daytime high— overnight low▬ typical range
View data table
| Month | Average daytime high (°C) | Average overnight low (°C) | Typical low | Typical high |
|---|---|---|---|---|
| January | 5.2 | -2.5 | -11.1 | 13.3 |
| February | 8.6 | -0.4 | -8.8 | 17.2 |
| March | 12.0 | 2.1 | -3.8 | 19.6 |
| April | 16.7 | 5.6 | 0.1 | 24.3 |
| May | 20.6 | 10.0 | 5.8 | 26.4 |
| June | 26.1 | 14.8 | 10.9 | 31.7 |
| July | 29.1 | 16.7 | 13.5 | 34.7 |
| August | 29.3 | 16.7 | 12.8 | 33.4 |
| September | 24.7 | 12.7 | 6.8 | 29.6 |
| October | 18.4 | 7.4 | 2.6 | 25.0 |
| November | 11.8 | 3.8 | -2.4 | 19.6 |
| December | 7.0 | 0.1 | -5.6 | 13.3 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 64 |
| February | 47 |
| March | 65 |
| April | 68 |
| May | 87 |
| June | 84 |
| July | 55 |
| August | 35 |
| September | 34 |
| October | 59 |
| November | 68 |
| December | 66 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 4.4 |
| February | 5.3 |
| March | 6.0 |
| April | 7.2 |
| May | 7.1 |
| June | 8.1 |
| July | 8.7 |
| August | 8.4 |
| September | 7.0 |
| October | 5.6 |
| November | 3.7 |
| December | 3.4 |
— average▬ typical range
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 9.1 | 5.0 | 14.4 |
| February | 9.4 | 5.3 | 15.3 |
| March | 9.0 | 5.4 | 13.9 |
| April | 8.6 | 5.6 | 13.7 |
| May | 8.2 | 5.4 | 11.8 |
| June | 7.3 | 4.7 | 10.9 |
| July | 7.7 | 4.9 | 11.5 |
| August | 8.1 | 5.3 | 12.0 |
| September | 8.3 | 5.4 | 13.1 |
| October | 7.9 | 4.6 | 13.5 |
| November | 8.3 | 4.3 | 14.0 |
| December | 8.8 | 4.7 | 14.6 |
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Snow depth
Snow depth for Bulgaria is part of the Premium map and its district-level detail. See what Premium includes.
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Sea surface temperature
Sea surface temperature for Bulgaria is part of the Premium map and its district-level detail. See what Premium includes.
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Heat index
Heat index for Bulgaria is part of the Premium map and its district-level detail. See what Premium includes.
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Humidity
Humidity for Bulgaria is part of the Premium map and its district-level detail. See what Premium includes.
What’s open · year round
Things to do in Bulgaria
Nothing on this list closes for the season in Bulgaria, but every one of them has a window worth aiming for.
- LimitedThe Seven Rila Lakes
Limited October–May · at its best July–September
Sources: traventuria.com, bags-always-packed.com
- At its best
Opening seasons are checked by hand against the operators and parks themselves, not derived from the climate figures on this page. Last reviewed 2026-08-28. Dates move — confirm before you book.
28 regions
Bulgaria, taken apart
- Blagoevgrad4–26 °C yr
- Burgas7–29 °C yr
- Dobrich6–29 °C yr
- Gabrovo5–28 °C yr
- Haskovo8–33 °C yr
- Kardzhali7–31 °C yr
- Kyustendil4–27 °C yr
- Lovech5–28 °C yr
- Montana5–31 °C yr
- Pazardzhik4–27 °C yr
- Pernik4–27 °C yr
- Pleven5–32 °C yr
- Plovdiv6–30 °C yr
- Razgrad5–30 °C yr
- Ruse5–31 °C yr
- Shumen5–30 °C yr
- Silistra5–31 °C yr
- Sliven6–30 °C yr
- Smolyan4–25 °C yr
- Sofia3–27 °C yr
- Sofia3–27 °C yr
- Stara Zagora6–31 °C yr
- Targovishte5–29 °C yr
- Varna6–29 °C yr
- Veliko Tarnovo5–30 °C yr
- Vidin5–31 °C yr
- Vratsa5–31 °C yr
- Yambol7–31 °C yr
Safety · 4 governments
What the governments say about Bulgaria
Combined advisory · most-cautious-wins
Exercise normal precautions
Highest level across 4 governments · Advisory last changed
See breakdown by countryHide breakdown
DE
Level 1Exercise normal precautions
Exercise normal precautions
NL
Level 1Exercise normal precautions
Exercise normal precautions
US
Level 1Exercise normal precautions
Exercise normal precautions
Month by month
A year in Bulgaria, in order
- JanJanuary5.2°C · 64 mm · 4.4 hr/day
Around 5 °C with 64 mm of rain and 4.4 hours of sun a day.
Around 5 °C with 64 mm of rain and 4.4 hours of sun a day.
- FebFebruary8.6°C · 47 mm · 5.3 hr/day
Around 9 °C with 47 mm of rain and 5.3 hours of sun a day.
Around 9 °C with 47 mm of rain and 5.3 hours of sun a day.
- MarMarch12.0°C · 65 mm · 6.0 hr/day
Around 12 °C with 65 mm of rain and 6.0 hours of sun a day.
Around 12 °C with 65 mm of rain and 6.0 hours of sun a day.
- AprApril16.7°C · 68 mm · 7.2 hr/day
Around 17 °C with 68 mm of rain and 7.2 hours of sun a day.
Around 17 °C with 68 mm of rain and 7.2 hours of sun a day.
- MayMay20.6°C · 87 mm · 7.1 hr/day
Around 21 °C with 87 mm of rain and 7.1 hours of sun a day.
Around 21 °C with 87 mm of rain and 7.1 hours of sun a day.
- JunJune26.1°C · 84 mm · 8.1 hr/day
Around 26 °C with 84 mm of rain and 8.1 hours of sun a day.
Around 26 °C with 84 mm of rain and 8.1 hours of sun a day.
- JulJuly29.1°C · 55 mm · 8.7 hr/day
Around 29 °C with 55 mm of rain and 8.7 hours of sun a day.
Around 29 °C with 55 mm of rain and 8.7 hours of sun a day.
- AugAugust29.3°C · 35 mm · 8.4 hr/day
Around 29 °C with 35 mm of rain and 8.4 hours of sun a day.
Around 29 °C with 35 mm of rain and 8.4 hours of sun a day.
- SepSeptember24.7°C · 34 mm · 7.0 hr/day
Around 25 °C with 34 mm of rain and 7.0 hours of sun a day.
Around 25 °C with 34 mm of rain and 7.0 hours of sun a day.
- OctOctober18.4°C · 59 mm · 5.6 hr/day
Around 18 °C with 59 mm of rain and 5.6 hours of sun a day.
Around 18 °C with 59 mm of rain and 5.6 hours of sun a day.
- NovNovember11.8°C · 68 mm · 3.7 hr/day
Around 12 °C with 67 mm of rain and 3.7 hours of sun a day.
Around 12 °C with 67 mm of rain and 3.7 hours of sun a day.
- DecDecember7.0°C · 66 mm · 3.4 hr/day
Around 7 °C with 66 mm of rain and 3.4 hours of sun a day.
Around 7 °C with 66 mm of rain and 3.4 hours of sun a day.
Same climate · neighbouring countries
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