UTC Offset
UTC+03:00
Perniö, Finland Snapshot 2026
Where is Perniö?
Perniö, Finland
- Continent
- Europe
- Country
- Finland
- City
- Perniö
- Population
- 5.8K
- Coordinates
- 60.20°, 23.13°
Perniö is a city in Finland with a population of approximately 5.8K. Average temperatures range from -5°C (23°F) in January to 21°C (70°F) in July. The best time to visit is June, July, August, September.
Time in Perniö right now
Open full time & time zone page 16:29 29
Tuesday, June 16, 2026
IANA time zone
Europe/Helsinki
Daylight saving
DST in effect
EET / EEST
Next DST change
October 25
backward -1h
Live weather in Perniö
Daylight in Perniö today
View full sunrise & sunset page Sunrise
Sunset
Day length
18h 54m
Climate normals for Perniö
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Poor May
Fair June best
Good July best
Excellent August best
Excellent September best
Good October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -1°C / -5°C | -6°C / -10°C | 12days (59 mm) Wet | 1.5h Poor | 88% Very Muggy | 0.4 Low | Poor | View Details |
| February | -1°C / -5°C | -5°C / -9°C | 10days (51 mm) Wet | 3.7h Poor | 87% Very Muggy | 1.1 Low | Poor | View Details |
| March | 2°C / -3°C | -2°C / -7°C | 8days (36 mm) Wet | 6.9h Fair | 82% Humid | 2.3 Moderate | Poor | View Details |
| April | 7°C / 1°C | 4°C / -3°C | 9days (41 mm) Wet | 10.3h Excellent | 75% Muggy | 3.4 Moderate | Poor | View Details |
| May | 14°C / 6°C | 12°C / 3°C | 9days (40 mm) Wet | 13.1h Excellent | 68% Muggy | 5.2 High | Fair | View Details |
| June best | 19°C / 12°C | 18°C / 10°C | 9days (57 mm) Wet | 14.3h Excellent | 69% Muggy | 5.5 High | Good | View Details |
| July best | 21°C / 15°C | 20°C / 14°C | 12days (82 mm) Wet | 13.4h Excellent | 74% Muggy | 5.3 High | Excellent | View Details |
| August best | 20°C / 14°C | 19°C / 13°C | 14days (95 mm) Wet | 11.3h Excellent | 79% Humid | 4.4 Moderate | Excellent | View Details |
| September best | 15°C / 10°C | 13°C / 8°C | 10days (61 mm) Wet | 7.9h Good | 82% Humid | 3.1 Moderate | Good | View Details |
| October | 9°C / 5°C | 6°C / 2°C | 12days (64 mm) Wet | 4.6h Fair | 85% Humid | 1.5 Low | Poor | View Details |
| November | 4°C / 1°C | 1°C / -3°C | 11days (56 mm) Wet | 1.8h Poor | 88% Very Muggy | 0.5 Low | Poor | View Details |
| December | 1°C / -2°C | -3°C / -7°C | 12days (55 mm) Wet | 0.9h Poor | 89% Very Muggy | 0.3 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: -1°C / -5°C . Feb: -1°C / -5°C . Mar: 2°C / -3°C . Apr: 7°C / 1°C . May: 14°C / 6°C . Jun: 19°C / 12°C . Jul: 21°C / 15°C . Aug: 20°C / 14°C . Sep: 15°C / 10°C . Oct: 9°C / 5°C . Nov: 4°C / 1°C . Dec: 1°C / -2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 59 mm. Feb: 51 mm. Mar: 36 mm. Apr: 41 mm. May: 40 mm. Jun: 57 mm. Jul: 82 mm. Aug: 95 mm. Sep: 61 mm. Oct: 64 mm. Nov: 56 mm. Dec: 55 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 88%. Feb: 87%. Mar: 82%. Apr: 75%. May: 68%. Jun: 69%. Jul: 74%. Aug: 79%. Sep: 82%. Oct: 85%. Nov: 88%. Dec: 89%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 20 km/h . Feb: 19 km/h . Mar: 19 km/h . Apr: 18 km/h . May: 17 km/h . Jun: 18 km/h . Jul: 17 km/h . Aug: 18 km/h . Sep: 18 km/h . Oct: 20 km/h . Nov: 19 km/h . Dec: 19 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 0°C . Feb: 0°C . Mar: 1°C . Apr: 5°C . May: 12°C . Jun: 19°C . Jul: 21°C . Aug: 21°C . Sep: 17°C . Oct: 10°C . Nov: 5°C . Dec: 1°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 0. Feb: UV 1. Mar: UV 2. Apr: UV 3. May: UV 5. Jun: UV 6. Jul: UV 5. Aug: UV 4. Sep: UV 3. Oct: UV 2. Nov: UV 1. Dec: UV 0.
Frequently Asked Questions
Perniö has a population of approximately 5.8K.
The best months to visit Perniö are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Perniö receives approximately 697mm of rainfall annually across 128 rainy days.
Perniö is located in Finland, in the Europe region.