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Jämsä, Finland
Central Finland · Finland
Jämsä is a small city in Central Finland, Finland with a population of 19,209. Elevation: 272 ft (83 m). Average temperature: 38°F (3°C).
Data updated June 2026
Discover Jämsä, Finland
Explore over 40 sections covering people, economy, housing, health, crime, climate, community, costs, trends, schools, colleges, hospitals, treatment centers, industries, museums, libraries, breweries, farmers markets, grocery stores, pharmacies, campgrounds, parks, trails, stadiums, ski resorts, daycare centers, nursing homes, churches, fire stations, cell towers, bridges, power plants, EV stations, prisons, radio stations, airports, police stations, post offices, Amtrak stations, superfund sites, UNESCO sites, and more.
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About Jämsä
Jämsä is a town and municipality of Finland. It is located in the Central Finland region, about 58 kilometres (36 mi) southwest of Jyväskylä. The municipality has a population of 19,020, which makes it the second most populous town of the Central Finland after Jyväskylä. It covers an area of 1,823.90 square kilometres (704.21 sq mi) of which 252.57 km2 (97.52 sq mi) is water. The population density is 12.1 inhabitants per square kilometre (31/sq mi).
People
Climate
| Population | 19,209 |
| Population Density | 21 / sq mi |
| Elevation | 272 ft (83 m) |
| Coordinates | 61.8642°, 25.1900° |
| Timezone | Europe/Helsinki |
| Country | 🇫🇮 Finland |
| State / Province | Central Finland |
| Average Temperature | 38°F (3°C) |
| January Average | 17°F (-8°C) |
| July Average | 61°F (16°C) |
| Annual Precipitation | 24.7 inches (628 mm) |
| Annual Snowfall | 8.2 inches (21 cm) |
About Jämsä
Jämsä is a small city in Finland (Central Finland) with a population of 19,209. The city sits at an elevation of 272 feet (83 meters) above sea level. The average annual temperature is 38°F (3°C). Temperatures range from 17°F in January to 61°F in July. Annual precipitation averages 24.7 inches. The timezone is Europe/Helsinki.
Climate in Jämsä
Jämsä has an average annual temperature of 4.2°C (40°F). The hottest month is Jul (17.2°C), the coldest is Jan (-8.7°C). Average annual precipitation is 907 mm.
Temperature
| Annual Average | 38.2°F |
| 29% below Finland avg | |
| January Average | 17°F (-8°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 291 days/yr |
Geography
| Elevation | 272 ft (83 m) |
| Area | 910.1 sq mi (2,357.1 km²) |
| Population Density | 21/sq mi |
| Coordinates | 61.8642°N, 25.1900°W |
| Timezone | Europe/Helsinki |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-8°C) | 1.6 in | |
| February | 17°F (-8°C) | 1.1 in | Coldest, Driest |
| March | 26°F (-3°C) | 1.4 in | |
| April | 36°F (2°C) | 1.4 in | |
| May | 49°F (9°C) | 1.5 in | |
| June | 58°F (14°C) | 2.2 in | |
| July | 61°F (16°C) | 3.2 in | Warmest |
| August | 57°F (14°C) | 3.4 in | Wettest |
| September | 48°F (9°C) | 2.5 in | |
| October | 39°F (4°C) | 2.4 in | |
| November | 29°F (-2°C) | 2.2 in | |
| December | 22°F (-6°C) | 1.8 in |
Jämsä has a seasonal temperature swing of 45°F / from 17°F in February to 61°F in July. Total annual precipitation is 24.7 inches, with August being the wettest month (3.4") and February the driest (1.1").
Schools in Jämsä
7 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Ruotsulan koulu | - | - | - | - |
| Jämsänjoen yhtenäiskoulu, Paunun yksikkö | - | - | - | - |
| Jokivarren päiväkoti | - | - | - | - |
| Jämsänjoen yhtenäiskoulu, Vitikkalan yksikkö | - | - | - | - |
| Jämsän Kristillinen Kansanopisto | - | - | - | - |
| Terveydenhuolto-oppilaitos | - | - | - | - |
| Jämsän lukio | - | - | - | - |
Museums in Jämsä
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Pälämäen kotiseutumuseo |
Libraries in Jämsä
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Jämsän pääkirjasto | 0.0 |
Farmers Markets in Jämsä
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Jämsän äijän aukio |
Hotels in Jämsä
6 hotels within city radius - OpenStreetMap data
Restaurants in Jämsä
15 restaurants within city radius - OpenStreetMap data
Cafes in Jämsä
3 cafes within city radius - OpenStreetMap data
Theatres in Jämsä
1 theatres within city radius - OpenStreetMap data
Monuments in Jämsä
2 monuments within city radius - OpenStreetMap data
Theme Parks in Jämsä
1 theme parks within city radius - OpenStreetMap data
Clinics in Jämsä
1 clinics within city radius - OpenStreetMap data
Veterinaries in Jämsä
1 veterinaries within city radius - OpenStreetMap data
Train Stations in Jämsä
1 train stations within city radius - OpenStreetMap data
Bus Stations in Jämsä
1 bus stations within city radius - OpenStreetMap data
Gas Stations in Jämsä
8 gas stations within city radius - OpenStreetMap data
Banks in Jämsä
3 banks within city radius - OpenStreetMap data
Shopping Malls in Jämsä
1 shopping malls within city radius - OpenStreetMap data
Gyms in Jämsä
1 gyms within city radius - OpenStreetMap data
Golf Courses in Jämsä
1 golf courses within city radius - OpenStreetMap data
Ski Resorts Near Jämsä
4 ski resorts within range.
| Resort | Slopes (km) | Lifts | Peak (m) | Price | Season | Night | Park |
|---|---|---|---|---|---|---|---|
| Sappee | 0.0 | - | - | $0 | - | - | - |
| Hiihtokeskus Himosvuori | 0.0 | - | - | $0 | - | - | - |
| Luoteis-Himos | 0.0 | - | - | $0 | - | - | - |
| Riihivuori Resort | 0.0 | - | - | $0 | - | - | - |
Airports Near Jämsä
4 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Halli Airport | KEV | Medium Airport |
| Jyväskylä Airport | JYV | Medium Airport |
| Lahti Vesivehmaa Airfield | - | Small Airport |
| Mänttä - Sassi Airfield | - | Small Airport |
Treatment Centers in Jämsä
2 treatment centers.
| Center | Type | Phone |
|---|---|---|
| Esperi Koskikoti | ||
| Kotisatama |
Churches & Religious Organizations in Jämsä
3 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Jämsän helluntaiseurakunta | |
| Jämsän kirkko | |
| Jämsänjokilaakson Vapaaseurakunta |
Quick Facts
🇫🇮 About Finland
Public Holidays in Finland
15 public holidays this year
Frequently Asked Questions About Jämsä
What is the population of Jämsä?
Jämsä has a population of 19,209 residents and is located in Finland. The population density is 21 people per square mile, spread across 910.1 square miles.
What is the weather like in Jämsä?
Jämsä has a cool climate with an average annual temperature of 38°F (3°C). Winter temperatures average 17°F in January, while summers reach an average of 61°F in July. The area receives 291 sunny days per year, well above the national average of 205. Annual rainfall totals 24.7 inches, with 8.2 inches of snow.