| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 4.2° | -1.1° | 36mm | 8.8 | 27 |
| February | 7.3° | 0.7° | 30.5mm | 8 | 41 |
| March | 12.1° | 3.6° | 29.1mm | 7.4 | 60 |
| April | 18.3° | 8.3° | 33.1mm | 7.5 | 80 |
| May | 23° | 12.7° | 59.3mm | 10.3 | 79 |
| June | 27° | 16.5° | 59.5mm | 8.2 | 84 |
| July | 29° | 18.2° | 51.2mm | 8.3 | 75 |
| August | 28.7° | 17.8° | 57.6mm | 7.3 | 79 |
| September | 22.9° | 13.3° | 48.6mm | 7.2 | 86 |
| October | 17.2° | 8.8° | 39mm | 7.1 | 77 |
| November | 10.4° | 4.4° | 44.2mm | 9.1 | 51 |
| December | 4.8° | 0° | 40.8mm | 8.9 | 31 |
January in Budapest III. kerület averages a daily high of 4.2°C with nights around -1.1°C. Expect roughly 8.8 wet days totalling 36mm. A hard month to visit for comfort alone.
February in Budapest III. kerület averages a daily high of 7.3°C with nights around 0.7°C. Expect roughly 8 wet days totalling 30.5mm. Demanding conditions — pack for it and plan indoor options.
March in Budapest III. kerület averages a daily high of 12.1°C with nights around 3.6°C. Expect roughly 7.4 wet days totalling 29.1mm. Generally workable, with some weather to plan around.
April in Budapest III. kerület averages a daily high of 18.3°C with nights around 8.3°C. Expect roughly 7.5 wet days totalling 33.1mm. Comfortable conditions for being outdoors all day.
May in Budapest III. kerület averages a daily high of 23°C with nights around 12.7°C. Expect roughly 10.3 wet days totalling 59.3mm. Comfortable conditions for being outdoors all day.
June in Budapest III. kerület averages a daily high of 27°C with nights around 16.5°C. Expect roughly 8.2 wet days totalling 59.5mm. Comfortable conditions for being outdoors all day.
July in Budapest III. kerület averages a daily high of 29°C with nights around 18.2°C. Expect roughly 8.3 wet days totalling 51.2mm. Comfortable conditions for being outdoors all day.
August in Budapest III. kerület averages a daily high of 28.7°C with nights around 17.8°C. Expect roughly 7.3 wet days totalling 57.6mm. Comfortable conditions for being outdoors all day.
September in Budapest III. kerület averages a daily high of 22.9°C with nights around 13.3°C. Expect roughly 7.2 wet days totalling 48.6mm. Comfortable conditions for being outdoors all day.
October in Budapest III. kerület averages a daily high of 17.2°C with nights around 8.8°C. Expect roughly 7.1 wet days totalling 39mm. Comfortable conditions for being outdoors all day.
November in Budapest III. kerület averages a daily high of 10.4°C with nights around 4.4°C. Expect roughly 9.1 wet days totalling 44.2mm. Demanding conditions — pack for it and plan indoor options.
December in Budapest III. kerület averages a daily high of 4.8°C with nights around 0°C. Expect roughly 8.9 wet days totalling 40.8mm. 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. Budapest III. kerület peaks at 86.
Based on 30 years of records, April–June scores highest for comfort in Budapest III. kerület, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 29°C.
June is the wettest, averaging 59.5mm of rain across roughly 8.2 wet days.
January is the coolest month, with average daily highs around 4.2°C.