Southwest Finland, Finland Weather

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

Current conditions

Updated:
13°C
55.4°F
°C °F

Condition: Mainly Clear

Pressure: 1,001 hPa

Feel like: 11 °C

Temperature: 13°C

Cloud: 39%

Humidity: 87%

Wind: SW - 15 km/h

Visibility: 24.02 km

Weather forecast

Sun
20 Sep
9°C / 14°C
Slight Thunderstorm
Mon
21 Sep
7°C / 15°C
Drizzle
Tue
22 Sep
6°C / 15°C
Fog
Wed
23 Sep
7°C / 16°C
Fog
Thu
24 Sep
6°C / 10°C
Moderate Drizzle
Hourly forecast today:
01:00 AM
11° / 13°
11° / 13°
Mainly Clear
87% 29 km/h
02:00 AM
10° / 13°
10° / 13°
Overcast
86% 27 km/h
03:00 AM
10° / 13°
10° / 13°
Partly Cloudy
83% 34 km/h
04:00 AM
10° / 13°
10° / 13°
Overcast
83% 36 km/h
05:00 AM
9° / 13°
9° / 13°
Overcast
81% 41 km/h
06:00 AM
10° / 13°
10° / 13°
Mainly Clear
79% 41 km/h
07:00 AM
9° / 14°
9° / 14°
Mainly Clear
75% 40 km/h
08:00 AM
10° / 14°
10° / 14°
Partly Cloudy
75% 41 km/h
09:00 AM
11° / 15°
11° / 15°
Overcast
75% 41 km/h
10:00 AM
11° / 15°
11° / 15°
Overcast
73% 41 km/h
11:00 AM
11° / 15°
11° / 15°
Overcast
75% 46 km/h

30 Day Averages and Extremes

  • Average high 14.57°C
  • Average low 8.33°C
  • Hottest day 19°C (03 September 2026)
  • Coldest day 0°C (01 October 2026)
  • Average humidity 77.77%
  • Days with precipitation 25 days
  • Highest precipitation 73 mm (07 September 2026)

Yesterday's Data

  • Max: 15°C
  • Min: 13°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 12ºC to 15ºC (53.6ºF to 59.0ºF), consider wearing:
- Long-sleeve shirt or blouse
- Lightweight sweater or cardigan
- Casual sneakers or loafers
- Light jacket (for cooler periods)

Temperature

Early
10°C / 13°C
Morning
11°C / 15°C
Afternoon
12°C / 14°C
Evening
13°C / 14°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 432
  • CO 187
  • NH3 0
  • NO2 2
  • O3 59
  • PM10 5
  • PM25 2
  • SO2 0
  • CH4 1,431

Sunrise / Sunset

04:09
16:36