Finland summer temperature - June, July, August weather in Finland
Written by: Sini Hietaharju, Master of Tourism Research & Slow Traveller
“Is Finland warm in the summer?” is a common question, and I would say; it depends.
Let’s get into this month by month, as Finnish summer months are June, July and August.
Summer Weather in Finland: Month-by-Month Guide
Finland’s summer (June–August) delivers long daylight hours, mild-to-warm temperatures, and lush, green nature. In this table you can discover daytime highs and nighttime lows, in both Celsius (as we mark temperature in Finland) and in Fahrenheit.
You can see averages per region, as for example Helsinki June weather can differ a lot from Lapland’s temperatures.
Average Summer Temperatures
All values are daytime averages/nighttime averages. Regional variations apply.
| Month | Southern Finland | Central Finland | Lapland (North) | Key Characteristics |
|---|---|---|---|---|
| June | 18-22°C (64-72°F) / 8-12°C (46-54°F) |
17-20°C (63-68°F) / 7-12°C (45-54°F) |
13-19°C (55-66°F) / 7-11°C (45-52°F) |
|
| July | 20-26°C (68-79°F) / 12-18°C (54-64°F) |
18-25°C (64-77°F) / 10-15°C (50-59°F) |
20-25°C (68-77°F) / 10-15°C (50-59°F) |
|
| August | 19-23°C (66-73°F) / 12-14°C (54-57°F) |
18-21°C (64-70°F) / 10-12°C (50-54°F) |
15-18°C (59-64°F) / 9-11°C (48-52°F) |
|
June weather in Finland
Finland in June is still a pretty cold month - so if you are expecting tanning and sunbathing, this is not it.
However, June in Finland is beautiful and green, and the sun does not set.
It’s also the time for the one of the biggest celebrations of the year; Midsummer.
The temperatures also vary per region, and with this table, you get a good overview.
All values are daytime highs/nighttime lows. Regional variations apply
June Weather in Finland
The month of endless light and awakening nature
Southern Finland
- Longest daylight hours (up to 19 hours)
- Coastal areas benefit from Baltic Sea warmth
- Ideal for city exploration and archipelago visits
Central Finland
- Lakeland region warms slower than coast
- Forest trails may still be muddy from spring
- Perfect for early summer cottage life
Lapland (North)
- Midnight Sun begins (24h daylight north of Arctic Circle)
- 10 hours sunshine/day in southern Lapland
- 33% chance of rain - pack waterproof layers
Key June Characteristics
- White Nights: Experience near-constant daylight, especially north
- Nature Awakening: Forests turn lush green, migratory birds return
- Midsummer Magic: Celebrate Juhannus (June 20-26) with bonfires
- Packing Tip: Layers + rain jacket + mosquito repellent essential
July weather in Finland
According to Finns, this is the best month in Finland, as there are many summer events all over the country, and it is also the time most of the local’s are on annual leave.
This is generally the warmest month to visit Finland.
All values are daytime highs/nighttime lows. Regional variations apply
July Weather in Finland
The warm heart of Finnish summer - peak season for lakes and light
Southern Finland
- Longest warm period of the year
- Sea temperatures reach 15-18°C (59-64°F)
- Ideal for archipelago sailing and city exploration
Central Finland
- Perfect lake temperatures for swimming
- Blueberry season begins in forests
- Cottage life at its peak - book early!
Lapland (North)
- Warmest month in the Arctic
- 24-hour daylight north of Arctic Circle
- Peak mosquito season - repellent essential
Key July Characteristics
- Peak Warmth: Hottest month nationwide with most stable weather
- Lake Paradise: Water temperatures perfect for swimming (18-22°C/64-72°F)
- Endless Light: Midnight Sun reigns supreme in the north
- Festival Season: Savonlinna Opera, Pori Jazz & folk festivals in full swing
August Weather in Finland
August weather in Finland is still very pleasant and warm. Both July and August are great months to visit Finland.
All values are daytime highs/nighttime lows. Regional variations apply.
August Weather in Finland
Mellow days, golden light, and the first hints of autumn
Southern Finland
- Warmest coastal waters of the year
- Peak season for archipelago sailing
- Urban festivals like Flow Festival (Helsinki)
Central Finland
- Perfect lake temperatures for swimming
- Blueberry and mushroom season peaks
- Fewer crowds at national parks
Lapland (North)
- "Ruska" begins (golden autumn foliage)
- Nights return after Midnight Sun period
- Best month for mosquito-free hiking
Key August Characteristics
- Ruska Season: Golden autumn colors appear in Lapland late August
- Harvest Time: Forest foraging (berries/mushrooms) peaks nationwide
- Festival Finale: Major events like Flow Festival and Helsinki Festival
- Packing Tip: Waterproof jacket essential - rainiest coastal month
Frequently asked questions about summer weather in Finland
This FAQ section is written by AI, and fact-checked by Sini Hietaharju.
Finland Summer Travel: Your Essential Questions Answered
When is summer in Finland? Keyword: when is summer in Finland
Summer officially runs from June through August, with peak warmth and longest daylight hours in June and July. The season transitions from "white nights" in June to autumn colors in late August.
What are Finland's summer months? Keyword: finland summer months
The core summer months are June, July, and August. July is typically the warmest month nationwide, while June offers the longest daylight (up to 24 hours in Lapland).
How long is summer in Finland? Keyword: how long is summer in Finland
The summer season lasts approximately 3 months (June-August). However, the "white nights" phenomenon extends the feeling of summer from late May to mid-August, especially in the south.
What is August like in Finland? Keyword: august finland
August features milder temperatures (15-23°C), fewer crowds, and the start of "ruska" (autumn foliage) in Lapland. It's the rainiest coastal month but excellent for festivals and foraging.
What is Helsinki weather like in June? Keyword: helsinki june weather
In June, Helsinki averages 18-22°C (64-72°F) during the day and 8-12°C (46-54°F) at night. Expect 18+ hours of daylight and a 33% chance of rain - perfect for archipelago exploration!
What are summer temperatures in Finland? Keyword: finland summer temperature
Nationwide averages: South: 18-26°C (64-79°F) | Central: 17-25°C (63-77°F) | Lapland: 13-25°C (55-77°F). Coastal areas are warmest, while nights remain cool (8-15°C).
How is Finland's weather in July? Keyword: finland weather in july
July is Finland's warmest month nationwide: South: 20-26°C (68-79°F) | Lapland: 20-25°C (68-77°F). Lake temperatures reach 18-22°C (64-72°F) - ideal for swimming!
What's June weather like in Finland? Keyword: june weather in Finland
June brings rapidly warming temperatures: South: 18-22°C (64-72°F) | Lapland: 13-19°C (55-66°F). The Midnight Sun begins north of the Arctic Circle with near-24h daylight.
Is Finland warm in summer? Keyword: is finland warm in the summer
Yes! Southern and central regions regularly reach 20-26°C (68-79°F) in July. Even Lapland sees pleasant 15-25°C (59-77°F) temperatures. "Warm" is relative though - always pack layers!
Does Finland have a real summer? Keyword: does finland have summer
Absolutely! Despite misconceptions, Finland has a distinct summer season with warm temperatures, green landscapes, and up to 24 hours of daylight. The contrast between winter darkness and summer light is profound.
This article is part of
Finland in Summer guide
WRITTEN BY
Hey there, I'm the Author
I'm Sini, an enthusiast in slow traveling, yoga retreats, travel as self growth journey and rubbing dogs.
This is your go-to slow travel corner of the internet.
I'm here to share my best travel tips, digital nomad thoughts and photographs from the journeys.
I happen to be kind of a professional in this as well, as I have my Master's degree within Tourism Research and both my master's and bachelor's thesis are about yoga travel. I'm also RYT-500 certified Yoga Teacher.
I want to share the best knowledge of hidden gem retreat and mindful destinations, as well as some deeper, honest thoughts what digital nomad lifestyle actually is.
You can read more about me here.
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