Pernik, Bulgaria experiences average highs of 16°C (61°F) and lows of 6°C (43°F) throughout the year. Rainfall is moderate, averaging about 8 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Pernik, Bulgaria Weather & Climate 2026
Monthly climate averages for Pernik, Bulgaria. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.8/10
Best: June, July, August, September
UV Index
5
Low
Temperature 16°C / 6°C
Feels Like 14°C / 4°C
Rainy Days 8
Rainfall 46 mm
Sunshine 9 h
Humidity 70%
Wind Speed 11 km/h
Dew Point 5°C
Snow Days 5 days
Frost Days 17 days
Hottest Month
27°C
August
Avg Low16°C
Rain5days
Coldest Month
-4°C
January
Avg High4°C
Rain8days
Driest Month
5days
July
Avg High26°C
Avg Low16°C
Windiest Month
13 km/h
March (Gusts 33)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures.
Sun Position
Sunrise 05:51
Daylight 15.3h
Sunset 21:08
Live conditions—
Pernik on the map · live conditions
Pernik, Bulgaria
- Continent
- Europe
- Country
- Bulgaria
- City
- Pernik
- Population
- 82.5K
- Coordinates
- 42.60°, 23.03°
Seasonal Breakdown
Spring
Mar–May
Avg High 15°C
Avg Low 4°C
Rain 10 days/mo
Summer
Jun–Aug
Avg High 26°C
Avg Low 15°C
Rain 7 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 16°C
Avg Low 7°C
Rain 7 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 6°C
Avg Low -3°C
Rain 8 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 4°C / -4°C . Feb: 8°C / -2°C . Mar: 10°C / 0°C . Apr: 15°C / 4°C . May: 19°C / 9°C . Jun: 24°C / 14°C . Jul: 26°C / 16°C . Aug: 27°C / 16°C . Sep: 22°C / 12°C . Oct: 16°C / 6°C . Nov: 11°C / 2°C . Dec: 6°C / -2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 55 mm. Feb: 37 mm. Mar: 60 mm. Apr: 51 mm. May: 55 mm. Jun: 49 mm. Jul: 32 mm. Aug: 25 mm. Sep: 27 mm. Oct: 48 mm. Nov: 55 mm. Dec: 58 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 77%. Feb: 74%. Mar: 70%. Apr: 66%. May: 69%. Jun: 68%. Jul: 61%. Aug: 59%. Sep: 63%. Oct: 72%. Nov: 81%. Dec: 81%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 11 km/h . Feb: 12 km/h . Mar: 13 km/h . Apr: 12 km/h . May: 12 km/h . Jun: 10 km/h . Jul: 11 km/h . Aug: 11 km/h . Sep: 11 km/h . Oct: 10 km/h . Nov: 10 km/h . Dec: 10 km/h .
Sunshine
Sunshine
Sunshine: Jan: 6h. Feb: 8h. Mar: 9h. Apr: 10h. May: 11h. Jun: 12h. Jul: 13h. Aug: 12h. Sep: 10h. Oct: 8h. Nov: 6h. Dec: 6h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 6. May: UV 6. Jun: UV 7. Jul: UV 8. Aug: UV 7. Sep: UV 5. Oct: UV 4. Nov: UV 2. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 9 days. Feb: 6 days. Mar: 5 days. Apr: 3 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 1 days. Nov: 3 days. Dec: 7 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 29°C | Aug · 27°C |
| Coldest month | Feb 2025 · -4°C | Jan · -4°C |
| Wettest month | Oct 2025 · 144 mm | Mar · 60 mm |
| Windiest month | Mar 2025 · 13 km/h | Mar · 13 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 4°C / -4°C | 0°C / -8°C | 8days (55 mm) Wet | 6.3h Fair | 77% Humid | 2.4 Moderate | Poor | View Details |
| February | 8°C / -2°C | 4°C / -6°C | 7days (37 mm) Good | 7.8h Good | 74% Muggy | 3.2 Moderate | Poor | View Details |
| March | 10°C / 0°C | 7°C / -3°C | 10days (60 mm) Wet | 8.7h Good | 70% Muggy | 4.3 Moderate | Poor | View Details |
| April | 15°C / 4°C | 13°C / 2°C | 9days (51 mm) Wet | 10.4h Excellent | 66% Muggy | 5.6 High | Fair | View Details |
| May | 19°C / 9°C | 18°C / 7°C | 11days (55 mm) Wet | 11.1h Excellent | 69% Muggy | 6.2 High | Good | View Details |
| June best | 24°C / 14°C | 25°C / 14°C | 10days (49 mm) Wet | 12.4h Excellent | 68% Muggy | 7.4 Very High | Excellent | View Details |
| July best | 26°C / 16°C | 27°C / 16°C | 5days (32 mm) Good | 12.8h Excellent | 61% Muggy | 7.5 Very High | Excellent | View Details |
| August best | 27°C / 16°C | 27°C / 16°C | 5days (25 mm) Good | 12.3h Excellent | 59% Moderate | 6.9 High | Excellent | View Details |
| September best | 22°C / 12°C | 21°C / 11°C | 5days (27 mm) Good | 10.2h Excellent | 63% Muggy | 5.3 High | Excellent | View Details |
| October | 16°C / 6°C | 14°C / 4°C | 6days (48 mm) Good | 8.2h Good | 72% Muggy | 3.7 Moderate | Good | View Details |
| November | 11°C / 2°C | 8°C / -1°C | 9days (55 mm) Wet | 6.3h Fair | 81% Humid | 2.3 Moderate | Poor | View Details |
| December | 6°C / -2°C | 3°C / -5°C | 8days (58 mm) Wet | 5.7h Fair | 81% Humid | 1.8 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Pernik are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Pernik, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Pernik is August, with average daytime highs of 27°C (80°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Pernik is January, with average overnight lows of -4°C (24°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Pernik is March, averaging 60mm of precipitation across 10 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Pernik runs through May, March, June, with the heaviest rainfall in May. Based on 10-year averages for Pernik.
Pernik receives approximately 112 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Pernik.
The least favorable months to visit Pernik are January, February, March, December, primarily due to very cold temperatures. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Pernik is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Pernik is 70%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Pernik receives snow. Months with snowfall average 5 snow days and 9 cm (4 in) of accumulation, with about 17 frost days during winter.
Average wind speeds in Pernik are 11 km/h (7 mph). The windiest month is March with peak winds reaching 13 km/h (8 mph) (gusts up to 33 km/h / 21 mph).
Pernik averages 7 clear-sky days per month with overall cloud cover around 51%. The clearest skies occur in August.
The annual average dew point in Pernik is 5°C (41°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Pernik has a Oceanic climate, classified as Cfb under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Pernik ranges from 4°C (39°F) to 14°C (57°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Pernik. It earns a climate score of 9/10 with Excellent.
For June in Pernik, pack Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 24°C (75°F) and 10 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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