Climate averages 1991–2020
Pernik weather
in May.
A mild, moderately wet month: the 5th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Pernik: daytime highs average 18.9°C and nights cool to about 8.9°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 52 mm of rain on roughly 11 days, which makes May a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 36 min on an average May day.
The nearest other city in this atlas is Sofia (26 km away). In May its highs average 19.9°C, 0.9°C warmer than Pernik, with 70 mm of rain.
Among the 10 cities listed in Bulgaria, Pernik ranks 10th of 10 for the warmest May highs and 3rd of 10 for the driest May (rainfall, lowest first). The mean May high of those 10 cities is 21.2°C; Pernik is 2.2°C cooler than that mean.
From May to June, average highs rise by 3.9°C to 22.8°C, and monthly rainfall falls from 52 mm to 46 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Pernik climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.4°C-5.0°C | -5.0°C | 40 | 7.4 | 9.49 h |
| February | 5.4°C-3.9°C | -3.9°C | 40 | 7.6 | 10.511 h |
| March | 9.4°C-0.6°C | -0.6°C | 54 | 9.7 | 11.912 h |
| April | 14.2°C3.7°C | 3.7°C | 54 | 10.0 | 13.313 h |
| May, selected | 18.9°C8.9°C | 8.9°C | 52 | 10.5 | 14.615 h |
| June | 22.8°C13.0°C | 13.0°C | 46 | 9.5 | 15.315 h |
| July | 25.1°C15.0°C | 15.0°C | 36 | 7.2 | 15.015 h |
| August | 25.7°C15.4°C | 15.4°C | 26 | 5.4 | 13.914 h |
| September | 21.1°C11.0°C | 11.0°C | 32 | 5.8 | 12.513 h |
| October | 15.8°C5.9°C | 5.9°C | 46 | 6.4 | 11.111 h |
| November | 9.9°C0.9°C | 0.9°C | 39 | 7.0 | 9.810 h |
| December | 4.5°C-3.2°C | -3.2°C | 49 | 8.6 | 9.19 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Sofia in MayBulgaria · 26 kmHigh 19.9°C · Low 10.3°C · 70 mm rain
- Leskovac in MaySerbia · 99 kmHigh 21.9°C · Low 10.9°C · 70 mm rain
- Kumanovo in MayNorth Macedonia · 120 kmHigh 22.4°C · Low 11.4°C · 53 mm rain
- Niš in MaySerbia · 122 kmHigh 22.2°C · Low 11.6°C · 62 mm rain
- Skopje in MayNorth Macedonia · 148 kmHigh 23.2°C · Low 11.8°C · 49 mm rain
- Plovdiv in MayBulgaria · 149 kmHigh 21.9°C · Low 11.2°C · 56 mm rain
- Pristina in MayKosovo · 153 kmHigh 20.3°C · Low 10.2°C · 76 mm rain
- Pleven in MayBulgaria · 158 kmHigh 22.9°C · Low 12.5°C · 78 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Pernik) is explained once on the Pernik year overview and on the Sources, method and limits page.