| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -1.1° | -6.9° | — | — | 26 |
| February | -1.3° | -7.7° | — | — | 24 |
| March | 2.1° | -5.9° | — | — | 27 |
| April | 9.3° | -0.2° | — | — | 56 |
| May | 15.4° | 4.3° | — | — | 79 |
| June | 20.5° | 10° | — | — | 94 |
| July | 22.6° | 13.1° | — | — | 94 |
| August | 21.2° | 11.8° | — | — | 94 |
| September | 16.1° | 7.2° | — | — | 82 |
| October | 9.4° | 3.1° | — | — | 60 |
| November | 4° | -0.8° | — | — | 39 |
| December | 0.5° | -4.8° | — | — | 29 |
January in East Helsinki averages a daily high of -1.1°C with nights around -6.9°C. A hard month to visit for comfort alone.
February in East Helsinki averages a daily high of -1.3°C with nights around -7.7°C. A hard month to visit for comfort alone.
March in East Helsinki averages a daily high of 2.1°C with nights around -5.9°C. A hard month to visit for comfort alone.
April in East Helsinki averages a daily high of 9.3°C with nights around -0.2°C. Generally workable, with some weather to plan around.
May in East Helsinki averages a daily high of 15.4°C with nights around 4.3°C. Comfortable conditions for being outdoors all day.
June in East Helsinki averages a daily high of 20.5°C with nights around 10°C. Comfortable conditions for being outdoors all day.
July in East Helsinki averages a daily high of 22.6°C with nights around 13.1°C. Comfortable conditions for being outdoors all day.
August in East Helsinki averages a daily high of 21.2°C with nights around 11.8°C. Comfortable conditions for being outdoors all day.
September in East Helsinki averages a daily high of 16.1°C with nights around 7.2°C. Comfortable conditions for being outdoors all day.
October in East Helsinki averages a daily high of 9.4°C with nights around 3.1°C. Generally workable, with some weather to plan around.
November in East Helsinki averages a daily high of 4°C with nights around -0.8°C. Demanding conditions — pack for it and plan indoor options.
December in East Helsinki averages a daily high of 0.5°C with nights around -4.8°C. 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. East Helsinki peaks at 94.
Based on 30 years of records, June–August scores highest for comfort in East Helsinki, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 22.6°C.
January is the wettest, averaging —mm of rain across roughly — wet days.
February is the coolest month, with average daily highs around -1.3°C.