# Geography of Helsinki

Helsinki has a total area of 686 km$^2$ (265 sq mi). 186 km$^2$ (72 sq mi) of it is land and 500 km$^2$ (190 sq mi) of the area is covered with water. It is located at 60°10′N 24°56′E﻿ / ﻿60.167°N 24.933°E﻿ / 60.167; 24.933.

## Subdivisions

This is a listing of the neighborhoods and localities in the city of Helsinki in alphabetical order. The list is not complete.
* Ala-Tikkurila
* Alppikylä
* Alppila
* Arabianranta
* Aurinkolahti
* Eira
* Haaga
* Hakaniemi
* Hakuninmaa
* Harju
* Heikinlaakso
* Hermanni
* Herttoniemi
* Hietalahti
* Hietaniemi
* Honkasuo
* Huopalahti
* Itäkeskus
* Jakomäki
* Jollas
* Jätkäsaari
* Kaartinkaupunki
* Kaisaniemi
* Kaivopuisto
* Kalasatama
* Kallahti
* Kallio
* Kamppi
* Kannelmäki
* Karhusaari
* Katajanokka
* Kivihaka
* Kivikko
* Kluuvi
* Konala
* Kontula
* Koskela
* Kruununhaka
* Kruunuvuorenranta
* Kulosaari
* Kumpula
* Kuninkaantammi
* Kurkimäki
* Kuusisaari
* Käpylä
* Laajasalo
* Laakso
* Landbo
* Lassila
* Latokartano
* Lauttasaari
* Lehtisaari
* Malmi
* Malminkartano
* Marjaniemi
* Maunula
* Maununneva
* Meilahti
* Mellunmäki
* Meri-Rastila
* Metsälä
* Munkkiniemi
* Munkkivuori
* Myllypuro
* Oulunkylä
* Pajamäki
* Pakila
* Paloheinä
* Pasila
* Pihlajamäki
* Pihlajisto
* Pikku Huopalahti
* Pitäjänmäki
* Puistola
* Pukinmäki
* Puotila
* Puotinharju
* Punavuori
* Rastila
* Reimarla
* Roihuvuori
* Ruoholahti
* Ruskeasuo
* Santahamina
* Siilitie
* Siltamäki
* Suomenlinna
* Suurmetsä
* Suutarila
* Sörnäinen
* Tammisalo
* Tapanila
* Tapaninkylä
* Tapulikaupunki
* Torpparinmäki
* Toukola
* Tuomarinkylä
* Töölö
* Ullanlinna
* Vallila
* Vanhakaupunki
* Vartioharju
* Vartiosaari
* Vesala
* Viikki
* Vuosaari
* Östersundom

## Climate

* Average temperature (2001): +5.9 °C (42 °F)
* Warmest month, July, average temperature: +17.2 °C (63 °F)
* Coldest month, February, average temperature: -4.7 °C (23 °F)
Climate data for Downtown Helsinki (Kaisaniemi) :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 8.5 (47.3) | 11.8 (53.2) | 17.1 (62.8) | 21.9 (71.4) | 29.6 (85.3) | 32.0 (89.6) | 33.2 (91.8) | 31.2 (88.2) | 26.2 (79.2) | 19.4 (66.9) | 11.6 (52.9) | 10.0 (50.0) | 33.2 (91.8) |
| Mean daily maximum °C (°F) | −1.3 (29.7) | −1.9 (28.6) | 1.6 (34.9) | 7.6 (45.7) | 14.4 (57.9) | 18.5 (65.3) | 21.5 (70.7) | 19.8 (67.6) | 14.6 (58.3) | 9.0 (48.2) | 3.7 (38.7) | 0.5 (32.9) | 9.0 (48.2) |
| Daily mean °C (°F) | −3.9 (25.0) | −4.7 (23.5) | −1.3 (29.7) | 3.9 (39.0) | 10.2 (50.4) | 14.6 (58.3) | 17.8 (64.0) | 16.3 (61.3) | 11.5 (52.7) | 6.6 (43.9) | 1.6 (34.9) | −2.0 (28.4) | 5.9 (42.6) |
| Mean daily minimum °C (°F) | −6.5 (20.3) | −7.4 (18.7) | −4.1 (24.6) | 0.8 (33.4) | 6.3 (43.3) | 10.9 (51.6) | 14.2 (57.6) | 13.1 (55.6) | 8.7 (47.7) | 4.3 (39.7) | −0.6 (30.9) | −4.5 (23.9) | 2.9 (37.2) |
| Record low °C (°F) | −34.3 (−29.7) | −31.5 (−24.7) | −24.5 (−12.1) | −16.3 (2.7) | −4.8 (23.4) | 0.7 (33.3) | 5.4 (41.7) | 2.8 (37.0) | −4.5 (23.9) | −11.6 (11.1) | −18.6 (−1.5) | −29.5 (−21.1) | −34.3 (−29.7) |
| Average precipitation mm (inches) | 52 (2.0) | 36 (1.4) | 38 (1.5) | 32 (1.3) | 37 (1.5) | 57 (2.2) | 63 (2.5) | 80 (3.1) | 56 (2.2) | 76 (3.0) | 70 (2.8) | 58 (2.3) | 655 (25.8) |
| Average snowfall cm (inches) | 20 (7.9) | 24 (9.4) | 15 (5.9) | 0.4 (0.2) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 3 (1.2) | 10 (3.9) | 72 (28) |
| Mean monthly sunshine hours | 38 | 70 | 138 | 194 | 284 | 297 | 291 | 238 | 150 | 93 | 36 | 29 | 1,858 |
| Source 1: Climatological statistics for the normal period 1981–2010 ||||||||||||||
| Source 2: Helsinki, Kaisaniemi: climatological table (data source: open data) ||||||||||||||