| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 2.1° | -3.7° | 24.4mm | 8.8 | 19 |
| February | 5.3° | -2.5° | 31.5mm | 8.7 | 29 |
| March | 11° | 1.1° | 31mm | 8.6 | 53 |
| April | 18° | 6.2° | 43.6mm | 9 | 76 |
| May | 22.7° | 11.1° | 59.4mm | 10.6 | 79 |
| June | 26.1° | 14.7° | 69.7mm | 10.5 | 79 |
| July | 27.8° | 16° | 74mm | 10.1 | 77 |
| August | 28.1° | 15.7° | 50.2mm | 7.4 | 81 |
| September | 22.5° | 11.2° | 48.9mm | 8.5 | 83 |
| October | 16.9° | 6.3° | 37.7mm | 7.8 | 74 |
| November | 10° | 2.2° | 39.9mm | 9.1 | 50 |
| December | 3.4° | -2.1° | 40.7mm | 9.1 | 23 |
January in Debrecen averages a daily high of 2.1°C with nights around -3.7°C. Expect roughly 8.8 wet days totalling 24.4mm. A hard month to visit for comfort alone.
February in Debrecen averages a daily high of 5.3°C with nights around -2.5°C. Expect roughly 8.7 wet days totalling 31.5mm. A hard month to visit for comfort alone.
March in Debrecen averages a daily high of 11°C with nights around 1.1°C. Expect roughly 8.6 wet days totalling 31mm. Demanding conditions — pack for it and plan indoor options.
April in Debrecen averages a daily high of 18°C with nights around 6.2°C. Expect roughly 9 wet days totalling 43.6mm. Comfortable conditions for being outdoors all day.
May in Debrecen averages a daily high of 22.7°C with nights around 11.1°C. Expect roughly 10.6 wet days totalling 59.4mm. Comfortable conditions for being outdoors all day.
June in Debrecen averages a daily high of 26.1°C with nights around 14.7°C. Expect roughly 10.5 wet days totalling 69.7mm. Comfortable conditions for being outdoors all day.
July in Debrecen averages a daily high of 27.8°C with nights around 16°C. Expect roughly 10.1 wet days totalling 74mm. Comfortable conditions for being outdoors all day.
August in Debrecen averages a daily high of 28.1°C with nights around 15.7°C. Expect roughly 7.4 wet days totalling 50.2mm. Comfortable conditions for being outdoors all day.
September in Debrecen averages a daily high of 22.5°C with nights around 11.2°C. Expect roughly 8.5 wet days totalling 48.9mm. Comfortable conditions for being outdoors all day.
October in Debrecen averages a daily high of 16.9°C with nights around 6.3°C. Expect roughly 7.8 wet days totalling 37.7mm. Generally workable, with some weather to plan around.
November in Debrecen averages a daily high of 10°C with nights around 2.2°C. Expect roughly 9.1 wet days totalling 39.9mm. Demanding conditions — pack for it and plan indoor options.
December in Debrecen averages a daily high of 3.4°C with nights around -2.1°C. Expect roughly 9.1 wet days totalling 40.7mm. A hard month to visit for comfort alone.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Debrecen peaks at 83.
Based on 30 years of records, April–September scores highest for comfort in Debrecen, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 28.1°C.
July is the wettest, averaging 74mm of rain across roughly 10.1 wet days.
January is the coolest month, with average daily highs around 2.1°C.