Cove
Maarinlahti
Uusimaa · Finland · Baltic Sea
60.1934, 24.8222 · Otaniemi, 1 km
- 17°Sea · August
- 20°High · July
- 8.7 hSunshine · May
Your month at the beach
Maarinlahti in January
- -1°CAir, daytime high-4°C at night
- 2°CSea temperature
- 0.3 hSunshine a day
- 14 daysRainy days in the month56 mm in total
- 21 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Maarinlahti in February
- -2°CAir, daytime high-6°C at night
- 1°CSea temperature
- 1.7 hSunshine a day
- 11 daysRainy days in the month45 mm in total
- 19 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Maarinlahti in March
- 0°CAir, daytime high-3°C at night
- 1°CSea temperature
- 4.8 hSunshine a day
- 10 daysRainy days in the month42 mm in total
- 18 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Maarinlahti in April
- 5°CAir, daytime high1°C at night
- 2°CSea temperature
- 6.8 hSunshine a day
- 9 daysRainy days in the month40 mm in total
- 15 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Maarinlahti in May
- 11°CAir, daytime high6°C at night
- 6°CSea temperature
- 8.7 hSunshine a day
- 8 daysRainy days in the month48 mm in total
- 13 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Maarinlahti in June
- 16°CAir, daytime high11°C at night
- 11°CSea temperature
- 8.2 hSunshine a day
- 10 daysRainy days in the month66 mm in total
- 14 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Maarinlahti in July
- 20°CAir, daytime high16°C at night
- 16°CSea temperature
- 8.3 hSunshine a day
- 10 daysRainy days in the month59 mm in total
- 13 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Maarinlahti in August
- 19°CAir, daytime high15°C at night
- 17°CSea temperature
- 6.7 hSunshine a day
- 13 daysRainy days in the month71 mm in total
- 15 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Maarinlahti in September
- 15°CAir, daytime high12°C at night
- 14°CSea temperature
- 4.2 hSunshine a day
- 12 daysRainy days in the month63 mm in total
- 18 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Maarinlahti in October
- 9°CAir, daytime high6°C at night
- 10°CSea temperature
- 1.9 hSunshine a day
- 14 daysRainy days in the month80 mm in total
- 20 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Maarinlahti in November
- 4°CAir, daytime high2°C at night
- 7°CSea temperature
- 0.2 hSunshine a day
- 16 daysRainy days in the month75 mm in total
- 22 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Maarinlahti in December
- 1°CAir, daytime high-2°C at night
- 4°CSea temperature
- 0.0 hSunshine a day
- 15 daysRainy days in the month67 mm in total
- 23 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
The beach itself
- 19Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap
- 16 kmAirport: Helsinki Vantaa Airport (HEL)In a straight line; by road it is further
No reliable information yet on: bathing water quality, wheelchair access, lifeguards.
January from 2020 to 2025
In January 2025 the sea averaged 3.3 °C — 1.2 °C above the 1991–2020 average.
1991–2020 average: 2.1 °C
1991–2020 average: -1.4 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
February from 2020 to 2025
In February 2025 the sea averaged 1.3 °C — 0.6 °C above the 1991–2020 average.
1991–2020 average: 0.8 °C
1991–2020 average: -2.3 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
March from 2020 to 2025
In March 2025 the sea averaged 1.7 °C — 1.0 °C above the 1991–2020 average.
1991–2020 average: 0.7 °C
1991–2020 average: 0.3 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
April from 2020 to 2025
In April 2025 the sea averaged 3.5 °C — 1.3 °C above the 1991–2020 average.
1991–2020 average: 2.2 °C
1991–2020 average: 5.3 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
May from 2020 to 2025
In May 2025 the sea averaged 7.1 °C — 0.9 °C above the 1991–2020 average.
1991–2020 average: 6.2 °C
1991–2020 average: 11.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
June from 2020 to 2025
In June 2025 the sea averaged 11.3 °C — about the same as the 1991–2020 average.
1991–2020 average: 11.4 °C
1991–2020 average: 15.6 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
July from 2020 to 2025
In July 2025 the sea averaged 17.0 °C — 0.9 °C above the 1991–2020 average.
1991–2020 average: 16.1 °C
1991–2020 average: 19.5 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
August from 2020 to 2025
In August 2025 the sea averaged 17.7 °C — 0.5 °C above the 1991–2020 average.
1991–2020 average: 17.2 °C
1991–2020 average: 19.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
September from 2020 to 2025
In September 2025 the sea averaged 15.8 °C — 1.4 °C above the 1991–2020 average.
1991–2020 average: 14.4 °C
1991–2020 average: 15.0 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
October from 2020 to 2025
In October 2025 the sea averaged 11.4 °C — 1.1 °C above the 1991–2020 average.
1991–2020 average: 10.3 °C
1991–2020 average: 8.8 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
November from 2020 to 2025
In November 2025 the sea averaged 8.8 °C — 1.8 °C above the 1991–2020 average.
1991–2020 average: 7.0 °C
1991–2020 average: 4.5 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
December from 2020 to 2025
In December 2025 the sea averaged 5.6 °C — 1.4 °C above the 1991–2020 average.
1991–2020 average: 4.2 °C
1991–2020 average: 1.3 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
When to go
1991–2020 averagesThe year at a glance
- Jan2°0 h56 mm
- Feb1°2 h45 mm
- Mar1°5 h42 mm
- Apr2°7 h40 mm
- May6°9 h48 mm
- Jun11°8 h66 mm
- Jul16°8 h59 mm
- Aug17°7 h71 mm
- Sep14°4 h63 mm
- Oct10°2 h80 mm
- Nov7°0 h75 mm
- Dec4°0 h67 mm
Each card is a month. The colour is the sea temperature, on the same scale as the map; in bold, the two best months for each.
Sea temperature
1991–2020 averagesClimate through the year
1991–2020 averagesRain
Sunshine
Sunshine hours are estimated from measured solar radiation, not observed directly.
Month by month
1991–2020 averagesEvery month at Maarinlahti: air, sea, rain and sunshine. Averages for 1991–2020.
| Month | High°C | Low°C | Sea°C | Rainmm | Rainy daysdays | Sunshineh/day | Windkm/h |
|---|---|---|---|---|---|---|---|
| January | -1 | -4 | 2 | 56 | 14 | 0.3 | 21 |
| February | -2 | -6 | 1 | 45 | 11 | 1.7 | 19 |
| March | 0 | -3 | 1 | 42 | 10 | 4.8 | 18 |
| April | 5 | 1 | 2 | 40 | 9 | 6.8 | 15 |
| May | 11 | 6 | 6 | 48 | 8 | 8.7 | 13 |
| June | 16 | 11 | 11 | 66 | 10 | 8.2 | 14 |
| July | 20 | 16 | 16 | 59 | 10 | 8.3 | 13 |
| Augustwarmest sea | 19 | 15 | 17 | 71 | 13 | 6.7 | 15 |
| September | 15 | 12 | 14 | 63 | 12 | 4.2 | 18 |
| October | 9 | 6 | 10 | 80 | 14 | 1.9 | 20 |
| November | 4 | 2 | 7 | 75 | 16 | 0.2 | 22 |
| December | 1 | -2 | 4 | 67 | 15 | 0.0 | 23 |
Swipe sideways to see the other columns.
Photos
Photos shared by their authors on Wikimedia Commons, with its colours adjusted.
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About these numbers
Averages are for 1991–2020; the recent years (2020–2025) are what actually happened. Neither is today's weather.
| What | Where it comes from | Nearest measurement |
|---|---|---|
| Air, rain and sunshine | NASA POWER | 24 km away |
| Sea temperature | NOAA OISST v2.1, 1991–2020 | 8 km away |
| 2020–2025, month by month | NASA POWER · NOAA OISST v2.1 | 24 km away |
| Lifeguards and places to stay | OpenStreetMap | within 1–5 km |
| Nearest airport | OurAirports | straight-line distance |
| Image at the top | Sentinel-2 cloudless (EOX) | at this spot |