Best time to visit · Helsinki · Finland
The best time to visit Helsinki
Weather, crowds, prices and events for every month, so you can pick the trip that suits you.
Updated By the AMZBooking editorial team
Photo: Vadelmavene, CC BY-SA 4.0
Quick answer
The best time to visit Helsinki is late May to early September, when days are long and mild, island ferries run often and terraces, beaches and festivals are in full swing. July is warmest but also the month many locals are away and some restaurants close. Winter, from December to March, suits saunas, snow and Christmas markets, while November is the greyest month.
Key facts
- Best months
- May–September
- Shoulder season
- April, October and December
- Warmest month
- July (avg high 22°C (72°F))
- Coldest month
- February (avg high -2°C (28°F))
- Rainiest month
- November (~12 rainy days)
- Lowest hotel prices
- January–March and November
Seasons
Helsinki has cold, dark winters with frequent snow and sea ice, and mild, bright summers when the sun sets after 10:30pm. The sea keeps autumns slightly milder and springs cooler than inland Finland.
March–May
Spring
Lingering snow in March, then a fast thaw and the explosive May Day celebrations; May is often bright and dry.
June–August
Summer
White nights, island hopping, sea swimming and festivals; peak season, with many locals away in July.
September–November
Autumn
Crisp September colour and the herring market, then darkening, rainy weeks into November; low prices.
December–February
Winter
Snow, frozen sea, short days and long sauna evenings, with Christmas markets and light festivals.
Month by month
Long-term averages (rounded). Crowds and prices are relative, 1 (lowest) to 5 (highest). Daylight is sunrise to sunset on the 15th.
| Month | High | Low | Rainy days | Sea | Daylight | Crowds | Prices |
|---|---|---|---|---|---|---|---|
| January | -1°C | -6°C | 11 | 1°C | 6.6 h | 1/5 | 2/5 |
| February | -2°C | -7°C | 9 | 0°C | 9 h | 1/5 | 2/5 |
| March | 2°C | -4°C | 8 | 0°C | 11.6 h | 2/5 | 2/5 |
| April | 8°C | 1°C | 7 | 2°C | 14.5 h | 2/5 | 3/5 |
| May | 15°C | 6°C | 6 | 7°C | 17.1 h | 3/5 | 3/5 |
| June | 19°C | 11°C | 8 | 13°C | 18.9 h | 4/5 | 4/5 |
| July | 22°C | 14°C | 8 | 18°C | 18.1 h | 5/5 | 4/5 |
| August | 21°C | 13°C | 10 | 18°C | 15.6 h | 4/5 | 4/5 |
| September | 16°C | 9°C | 9 | 14°C | 12.7 h | 3/5 | 3/5 |
| October | 9°C | 4°C | 11 | 10°C | 9.9 h | 2/5 | 3/5 |
| November | 4°C | 0°C | 12 | 6°C | 7.3 h | 2/5 | 2/5 |
| December | 1°C | -3°C | 12 | 3°C | 5.9 h | 3/5 | 3/5 |
Yearly events
Recurring dates shift from year to year; confirm with the organiser before you book.
| Month | Events |
|---|---|
| January | Lux Helsinki — light-art installations around the centre (usually early January) |
| February | Runeberg's Day — cafés sell Runeberg tortes (5 February) |
| April | Vappu Eve — students cap the Havis Amanda statue on Market Square (30 April) |
| May | May Day — city-wide picnics, largest in Kaivopuisto (1 May) |
| June | Helsinki Day — free events across the city (12 June); Midsummer bonfires on Seurasaari (around 20–26 June); Helsinki Pride (usually late June) |
| August | Flow Festival — music and arts festival in Suvilahti (usually mid-August); Helsinki Festival and the Night of the Arts (late August to early September) |
| September | Helsinki Design Week (usually September) |
| October | Baltic Herring Market — fishermen sell herring from boats on Market Square (usually early October) |
| November | Christmas Street lights switched on along Aleksanterinkatu (usually late November) |
| December | St Thomas Christmas Market on Senate Square (December); Independence Day — students' torchlight procession and candles in windows (6 December) |
Cheapest and quietest times
Hotel prices are usually lowest in January–March and November, and the sights are quietest in January–February.
What to pack
| Season | Pack |
|---|---|
| Spring | Layers, a warm sweater and a jacket for cool evenings; Shoes with good grip for icy pavements; A packable rain jacket for showers; Comfortable walking shoes |
| Summer | Light layers for the day and a light jacket for the evening; A packable rain jacket for showers; Comfortable walking shoes |
| Autumn | Layers, a warm sweater and a jacket for cool evenings; Shoes with good grip for icy pavements; A compact umbrella and waterproof shoes — rain is frequent; Comfortable walking shoes |
| Winter | A warm coat, hat, gloves and thermal layers; Shoes with good grip for icy pavements; A compact umbrella and waterproof shoes — rain is frequent; Comfortable walking shoes |
Questions travellers ask
+What is the best month to visit Helsinki?
The best time to visit Helsinki is late May to early September, when days are long and mild, island ferries run often and terraces, beaches and festivals are in full swing. July is warmest but also the month many locals are away and some restaurants close. Winter, from December to March, suits saunas, snow and Christmas markets, while November is the greyest month.
+When are hotel prices lowest in Helsinki?
Usually in January–March and November. Cold and dark, with around six hours of daylight; snow and sea ice are common, and saunas with an ice-hole dip are at their best.
+What is the rainiest month in Helsinki?
November, with about 12 days of rain on average.
+How hot does Helsinki get?
The warmest month, July, averages highs of 22°C (72°F) and lows of 14°C (57°F).