Southwest Finland, Finland Weather

Southwest Finland,  Weather
(Photo by Alexandr Bormotin on Unsplash)

Current conditions

Updated:
5°C
41.0°F
°C °F

Condition: Overcast

Pressure: 1,012 hPa

Feel like: 2 °C

Temperature: 5°C

Cloud: 100%

Humidity: 87%

Wind: SW - 11 km/h

Visibility: 56.36 km

Weather forecast

Wed
17 Dec
4°C / 6°C
Moderate Drizzle
Thu
18 Dec
4°C / 6°C
Moderate Drizzle
Fri
19 Dec
5°C / 7°C
Drizzle
Sat
20 Dec
1°C / 5°C
Partly Cloudy
Sun
21 Dec
0°C / 1°C
Overcast
Hourly forecast today:
14:00 PM
3° /
3° /
Overcast
87% 26 km/h
15:00 PM
3° /
3° /
Overcast
88% 25 km/h
16:00 PM
3° /
3° /
Overcast
89% 23 km/h
17:00 PM
3° /
3° /
Overcast
90% 22 km/h
18:00 PM
3° /
3° /
Overcast
90% 21 km/h
19:00 PM
3° /
3° /
Overcast
91% 20 km/h
20:00 PM
3° /
3° /
Overcast
90% 21 km/h
21:00 PM
3° /
3° /
Overcast
90% 21 km/h
22:00 PM
3° /
3° /
Overcast
90% 23 km/h
23:00 PM
3° /
3° /
Overcast
89% 24 km/h
00:00 AM
3° /
3° /
Overcast
89% 25 km/h

30 Day Averages and Extremes

  • Average high 4.47°C
  • Average low 1.9°C
  • Hottest day 8°C (28 November 2025)
  • Coldest day -4°C (11 December 2025)
  • Average humidity 88.23%
  • Days with precipitation 28 days
  • Highest precipitation 85 mm (05 December 2025)

Yesterday's Data

  • Max: 6°C
  • Min: 4°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Southwest Finland over the next 12 hours

Temperature and possibility of rain in Southwest Finland in the coming days

Rainfall in Southwest Finland in the coming days

Southwest Finland Climate Summary

Southwest Finland features a Humid continental, no dry season, warm summer (Köppen classification: Dfb), with an average annual temperature of 7.25ºC (45.05ºF), which is about 1.61% higher than the national average for Finland. Annually, the city experiences approximately 33.46 millimeters (1.32 inches) of rainfall, spread across 92.84 rainy days, accounting for 25.44% of the year.

Longitude 60.3627914
Latitude 22.4439369
Yearly high temperature 8.64ºC (47.55ºF)
Yearly low temperature 3.85ºC (38.93ºF)
Hottest month July 20.47ºC (68.85ºF)
Coldest month February -5.67ºC (21.79ºF)
Yearly precip 33.46mm (1.32in)
Days with rainfall 92.84 days (25.44%)
Driest month April (76.98%)
Wettest month July (75.03%)

Weather averages by month

Month High / Low (°C) Rain
January -2.38° / -5.75° 8.0 days
February -1.62° / -5.67° 6.82 days
March 1.13° / -3.66° 5.55 days
April 6.75° / 1.45° 5.64 days
May 13.13° / 6.7° 7.73 days
June 16.92° / 10.4° 6.82 days
July 20.47° / 13.77° 8.82 days
August 19.61° / 13.72° 8.91 days
September 15.22° / 10.15° 8.82 days
October 8.82° / 5.06° 7.73 days
November 4.52° / 1.84° 8.0 days
December 1.16° / -1.86° 10.0 days

Frequently asked questions

1. What is the hottest month in Southwest Finland?

July has the highest average monthly temperature (daily mean of 20.47ºC) and February are the coolest (daily mean of -5.67ºC).

2. What should I wear in Southwest Finland today?

For today's cold weather in Southwest Finland, with temperatures ranging from 3ºC to 6ºC (37.4ºF to 42.8ºF), you should wear:
- Layered clothing (such as a thermal shirt under a sweater)
- Scarf to protect the neck area
- Warm jacket or medium-weight coat
- Hat and gloves, particularly for early mornings or evenings

Temperature

Early
4°C / 6°C
Morning
3°C / 5°C
Afternoon
3°C / 5°C
Evening
3°C / 4°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 452
  • CO 178
  • NH3 0
  • NO2 3
  • O3 60
  • PM10 3
  • PM25 3
  • SO2 1
  • CH4 1,442

Sunrise / Sunset

07:32
13:19