Climate averages 1991–2020
Shumen weather
in May.
A mild, moderately wet month: the 5th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Shumen: daytime highs average 20.9°C and nights cool to about 10.5°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 61 mm of rain on roughly 11 days, which makes May a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 39 min on an average May day.
The nearest other city in this atlas is Varna (80 km away). In May its highs average 19.9°C, 1.0°C cooler than Shumen, with 44 mm of rain.
Among the 10 cities listed in Bulgaria, Shumen ranks joint 6th of 10 for the warmest May highs and 5th of 10 for the driest May (rainfall, lowest first). The mean May high of those 10 cities is 21.2°C; Shumen is 0.2°C cooler than that mean.
From May to June, average highs rise by 3.9°C to 24.8°C, and monthly rainfall rises from 61 mm to 63 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
Shumen climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.1°C-3.4°C | -3.4°C | 47 | 7.5 | 9.49 h |
| February | 6.3°C-2.3°C | -2.3°C | 43 | 7.5 | 10.510 h |
| March | 10.4°C0.8°C | 0.8°C | 52 | 8.8 | 11.912 h |
| April | 15.9°C5.3°C | 5.3°C | 52 | 9.7 | 13.413 h |
| May, selected | 20.9°C10.5°C | 10.5°C | 61 | 10.9 | 14.715 h |
| June | 24.8°C14.8°C | 14.8°C | 63 | 10.2 | 15.315 h |
| July | 27.2°C17.1°C | 17.1°C | 54 | 8.4 | 15.015 h |
| August | 27.5°C17.1°C | 17.1°C | 37 | 6.2 | 14.014 h |
| September | 22.5°C12.9°C | 12.9°C | 50 | 6.4 | 12.513 h |
| October | 16.7°C8.0°C | 8.0°C | 51 | 6.7 | 11.111 h |
| November | 10.8°C3.3°C | 3.3°C | 46 | 6.5 | 9.810 h |
| December | 5.4°C-1.6°C | -1.6°C | 50 | 8.0 | 9.09 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
- Varna in MayBulgaria · 80 kmHigh 19.9°C · Low 12.4°C · 44 mm rain
- Sliven in MayBulgaria · 81 kmHigh 21.4°C · Low 11.6°C · 106 mm rain
- Burgas in MayBulgaria · 96 kmHigh 20.9°C · Low 12.1°C · 47 mm rain
- Ruse in MayBulgaria · 101 kmHigh 22.9°C · Low 12.7°C · 65 mm rain
- Stara Zagora in MayBulgaria · 140 kmHigh 22.0°C · Low 11.3°C · 81 mm rain
- Bucharest in MayRomania · 145 kmHigh 22.6°C · Low 11.8°C · 70 mm rain
- Constanţa in MayRomania · 171 kmHigh 20.0°C · Low 12.4°C · 36 mm rain
- Edirne in MayTurkey · 180 kmHigh 23.6°C · Low 11.9°C · 46 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 Shumen) is explained once on the Shumen year overview and on the Sources, method and limits page.