21 May 2013
Sofia Observ,Bulgaria #15614 
Altitude: 595 м
Latitude: 42 39N Longitude: 023 23E
| m | tavg | t1avg | t2avg | tmin | tmax | r | rd | cl1d | cl2d | cl3d | sh | ws | h |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mon. | °C | °C | °C | °C | °C | mm | day | day | day | day | hour | km/h | % |
| jan | -1.4 | -5.0 | 3.0 | -24.0 | 19.0 | 29.7 | 14.5 | 3.4 | 7.8 | 19.8 | 82.2 | 4.3 | 80.7 |
| feb | 0.6 | -3.6 | 5.6 | -25.0 | 22.0 | 31.7 | 14.7 | 3.1 | 9.7 | 15.2 | 110.6 | 5.0 | 75.1 |
| mar | 4.9 | 0.0 | 10.5 | -16.1 | 27.5 | 40.8 | 14.2 | 4.0 | 12.0 | 15.0 | 158.1 | 5.9 | 66.7 |
| apr | 10.0 | 4.5 | 15.8 | -6.0 | 30.3 | 76.7 | 13.6 | 3.8 | 11.1 | 15.1 | 181.5 | 5.2 | 64.9 |
| may | 14.7 | 9.0 | 20.6 | -2.0 | 34.0 | 70.4 | 11.5 | 3.7 | 14.6 | 12.7 | 232.5 | 4.7 | 68.2 |
| jun | 18.2 | 12.3 | 24.4 | 1.4 | 38.0 | 71.9 | 8.3 | 7.3 | 13.7 | 9.0 | 266.5 | 5.1 | 66.9 |
| jul | 20.5 | 14.0 | 27.0 | 2.0 | 41.0 | 68.5 | 6.7 | 11.1 | 14.4 | 5.5 | 303.8 | 4.6 | 62.0 |
| aug | 20.3 | 13.8 | 27.2 | 3.9 | 39.4 | 56.7 | 6.1 | 12.4 | 13.2 | 5.4 | 283.7 | 4.3 | 63.1 |
| sep | 16.3 | 10.2 | 23.0 | -1.0 | 36.1 | 36.9 | 9.1 | 8.1 | 11.7 | 10.2 | 213.0 | 3.9 | 68.7 |
| oct | 11.0 | 5.7 | 17.1 | -6.0 | 33.9 | 42.8 | 10.9 | 7.1 | 10.7 | 13.2 | 170.5 | 3.3 | 76.0 |
| nov | 4.9 | 0.9 | 9.7 | -15.0 | 25.5 | 54.1 | 9.4 | 5.7 | 10.8 | 13.5 | 108.0 | 3.6 | 76.9 |
| dec | 0.4 | -3.1 | 4.5 | -20.0 | 23.0 | 41.1 | 15.9 | 2.4 | 6.9 | 21.7 | 62.0 | 3.5 | 83.2 |
| year | 10.1 | 5.0 | 15.7 | -25.0 | 41.0 | 621.3 | 134.9 | 72.1 | 136.6 | 156.3 | 2172.3 | 4.5 | 71.0 |
Period supervision: 1952 - 2011
Symbols:
| tavg - Average temperature | t1avg - Average low temperature |
| t2avg - Average high temperature | tmin - Lowest temperature |
| tmax- Highest temperature | r - Average precipitation |
| rd - Average number of days with precipitation |
| cl1d - Average number of clear days |
| cl2d - Average number of partly cloudy days |
| cl3d - Average number of cloudy days |
| sh - Mean monthly sunshine hours |
| ws - Average wind speed | h - Average humidity |