Southwest Finland, Finland Weather

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

Current conditions

Updated:
17°C
62.6°F
°C °F

Condition: Mainly Clear

Pressure: 1,016 hPa

Feel like: 16 °C

Temperature: 17°C

Cloud: 36%

Humidity: 70%

Wind: SSE - 9 km/h

Visibility: 16.44 km

Weather forecast

Fri
12 Jun
11°C / 18°C
Drizzle
Sat
13 Jun
11°C / 17°C
Drizzle
Sun
14 Jun
10°C / 18°C
Moderate Drizzle
Mon
15 Jun
11°C / 15°C
Drizzle
Tue
16 Jun
13°C / 21°C
Overcast
Hourly forecast today:
07:00 AM
11° / 17°
11° / 17°
Mainly Clear
70% 20 km/h
08:00 AM
11° / 18°
11° / 18°
Overcast
63% 20 km/h
09:00 AM
10° / 18°
10° / 18°
Overcast
60% 21 km/h
10:00 AM
10° / 18°
10° / 18°
Overcast
61% 21 km/h
11:00 AM
10° / 17°
10° / 17°
Overcast
61% 21 km/h
12:00 PM
9° / 17°
9° / 17°
Overcast
62% 21 km/h
13:00 PM
8° / 16°
8° / 16°
Overcast
58% 21 km/h
14:00 PM
7° / 15°
7° / 15°
Overcast
57% 20 km/h
15:00 PM
8° / 15°
8° / 15°
Overcast
66% 11 km/h
16:00 PM
12° / 14°
12° / 14°
Moderate Drizzle
88% 11 km/h
17:00 PM
11° / 13°
11° / 13°
Drizzle
91% 16 km/h

30 Day Averages and Extremes

  • Average high 17.97°C
  • Average low 10.23°C
  • Hottest day 24°C (03 June 2026)
  • Coldest day 0°C (25 June 2026)
  • Average humidity 69.4%
  • Days with precipitation 21 days
  • Highest precipitation 63 mm (05 June 2026)

Yesterday's Data

  • Max: 18°C
  • Min: 11°C
  • Total Precipitation: 1 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 mild weather in Southwest Finland, with temperatures between 15ºC to 18ºC (59.0ºF to 64.4ºF), consider wearing:
- Long-sleeve shirt or blouse
- Light jacket (for cooler periods)
- Cotton socks
- Casual sneakers or loafers

Temperature

Early
12°C / 13°C
Morning
10°C / 18°C
Afternoon
8°C / 15°C
Evening
10°C / 11°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 435
  • CO 111
  • NH3 0
  • NO2 2
  • O3 85
  • PM10 7
  • PM25 4
  • SO2 0
  • CH4 1,377

Sunrise / Sunset

01:03
19:56