Uusimaa, Finland
Archipelago Sea60.20°N, 25.07°EStation FI-UUS-RUO

Ruonasalmenpuisto/uimapaikka Sea Water Temperature

A cool beach on the Archipelago Sea, warmest around August at about 17.6°C. Today's reading, 7-day forecast, and monthly averages below.

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Ruonasalmenpuisto/uimapaikka water temperature

14.8
58.6°FVery Cold (< 16°C)

Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.

+0°vs Sep avgArchipelago Sea60.20°N, 25.07°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
16°C
61.3°F onshore
Wind Speed
12 km/h
Surface wind
Wave Height
0.8 m
Slight shore chop
Swell
0.6 m
Deep water swell
Wave Period
6 s
Peak interval
UV Index
—
Daily maximum
Sunrise
—
First morning light
Sunset
—
Golden hour close

7-Day Water Temperature Forecast

Open-Meteo ocean model
Today
WedSep 30
14.8°C
58.6°F
Waves: 1m
Very Cold
ThuOct 1
15.1°C
59.2°F
Waves: 0.9m
Very Cold
FriOct 2
15.2°C
59.4°F
Waves: 0.7m
Very Cold
SatOct 3
15.1°C
59.2°F
Waves: 0.6m
Very Cold
SunOct 4
14.8°C
58.6°F
Waves: 0.7m
Very Cold
MonOct 5
14.5°C
58.1°F
Waves: 0.9m
Very Cold
TueOct 6
14.4°C
57.9°F
Waves: 1m
Very Cold
Forecast cooling trend: -0.4°C over 7 days at Ruonasalmenpuisto/uimapaikka.
Confidence: High

Ruonasalmenpuisto/uimapaikka Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Ruonasalmenpuisto/uimapaikka occurs inJune, July, August, September — peaking at17.6°C (63.7°F) in August.

Year-Round Water Temperature Curve (°C / °F)

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
2
Jan
1
Feb
1
Mar
2
Apr
7
May
12
Jun
17
Jul
18
Aug
Current
15
Sep
11
Oct
7
Nov
5
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January0.2°C2.1°C5°CVery Cold (< 16°C)
February-0.5°C0.8°C3.1°CVery Cold (< 16°C)
March-1.3°C0.7°C2.9°CVery Cold (< 16°C)
April0.4°C2.4°C3.9°CVery Cold (< 16°C)
May2.8°C6.5°C14.2°CVery Cold (< 16°C)
June7.6°C12°C16.6°CVery Cold (< 16°C)
July13.4°C17.1°C23.1°CCool / Refreshing (16°C – 20°C)
August15.6°C17.6°C20.4°CCool / Refreshing (16°C – 20°C)
SeptemberCurrent11.4°C14.8°C18.4°CVery Cold (< 16°C)
October8.5°C11.1°C15.4°CVery Cold (< 16°C)
November3.7°C7.3°C9.8°CVery Cold (< 16°C)
December0.2°C4.6°C6.9°CVery Cold (< 16°C)

Swimming FAQs for Ruonasalmenpuisto/uimapaikka

Is the sea warm enough to swim in Ruonasalmenpuisto/uimapaikka today?

Typical sea surface temperature in Ruonasalmenpuisto/uimapaikka this time of year is 14.8°C (58.6°F) — classified as Very Cold (< 16°C). Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges. Live readings load automatically.

What are the warmest months for swimming in Ruonasalmenpuisto/uimapaikka?

The highest water temperatures in Ruonasalmenpuisto/uimapaikka typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Ruonasalmenpuisto/uimapaikka in September?

Historically in September, water temperatures in Ruonasalmenpuisto/uimapaikka average around14.8°C (58.6°F), fluctuating between a recorded minimum of 11.4°C and a maximum of 18.4°C.

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