Hjälmaren

Lake Large central Swedish lake near Örebro

East of Örebro, Lake Hjälmaren draws anglers, sailors, and birdwatchers to shallow bays and reed-fringed shores; ferries link small towns and cycling routes cross the surrounding agricultural plain.

Main image

Hjälmaren is a substantial inland lake in central Sweden, positioned between the provinces of Närke and Södermanland and surrounded by agricultural land and small urban centres. The lake is one of the larger Swedish lakes and is used for recreation, local fisheries and boating.

Shoreline towns and transport links provide access for day trips and watersports; the lake’s catchment connects to neighbouring waterways that form part of the region’s hydrology. Seasonal changes influence recreational use, with boating concentrated in warmer months.

The lake lies west of Stockholm and is within driving distance of regional centres such as Örebro and Eskilstuna, which provide the nearest larger urban services and transport connections.

  • Regional position: It is one of Sweden's larger lakes and lies between the provinces of Närke and Södermanland, with towns such as Örebro and Eskilstuna near its shores.

What to See #

  • Main lake area: A large inland freshwater body in central Sweden surrounded by mixed farmland and small towns, with a shoreline used for boating and fisheries.
Hjälmaren
59.2500, 15.7500

How to Get to Hjälmaren #

Hjälmaren is a large lake in central Sweden located between the cities of Örebro and Västerås. The easiest way to reach the lakeshore is by car via local and regional roads from Örebro or Västerås; both Örebro and Västerås are served by regular SJ and regional trains from Stockholm. From either city you can reach lakeside towns and beaches by local bus services or a short drive.

Tips for Visiting Hjälmaren #

  • Visit between late May and early September for the mildest conditions for boating and birdwatching; many marinas and rental services operate mainly in summer.
  • Use Örebro as the main gateway - it's the largest nearby city with lakeside access and boat-launch facilities, making it a convenient base for day trips around the lake.
  • If you want quieter shoreline access, aim for weekday mornings or explore smaller public beaches and nature reserves around the lake rather than the main harbours, which fill up with weekend boat traffic.

Best Time to Visit Hjälmaren #

The best time to enjoy Hjälmaren is summer for warm, lake-based activities and fullest services.

Summer
Jun-Aug · 15-25°C
Warmest months for boating, fishing and lakeside activities; busiest period for local recreation.
Spring & Autumn
Apr-May & Sep-Oct · 5-15°C
Cooler, quieter shoulder seasons with pleasant conditions for cycling and fewer crowds at waterfront spots.
Winter
Dec-Feb · -5-2°C
Cold period when ice can form in some winters and outdoor lake activities are limited; access remains year-round but services are reduced.

Weather & Climate near Hjälmaren #

Climate

Hjälmaren's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in July) and freezing winters (coldest in February). Temperatures range from -7°C to 22°C. Moderate rainfall (611 mm/year).

Best Time to Visit
MayAugustJune
Temperature & Rainfall
Temperature Range
33°
Warmest Month
-29°
Coldest Month
Monthly Conditions

January

January is freezing with highs of 0°C and lows of -6°C. Moderate rainfall (38 mm) and mostly overcast skies.

36 Poor

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-6°
97%
Humidity
Very Humid

Weather

38 mm
Rainfall
2.9 m/s
Wind
Calm
0.0
UV Index
Low
6.7h daylight

February

February is the coldest month with highs of 0°C and lows of -7°C. Moderate rainfall (30 mm) and mostly overcast skies.

36 Poor

Comfort

-4°
Feels Like Freezing
-4°C
Temperature
-7°
96%
Humidity
Very Humid

Weather

30 mm
Rainfall
2.8 m/s
Wind
Calm
0.1
UV Index
Low
9.0h daylight

March

March is freezing with highs of 3°C and lows of -4°C. Moderate rainfall (33 mm) and mostly overcast skies.

47 Poor

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-4°
89%
Humidity
Very Humid

Weather

33 mm
Rainfall
2.9 m/s
Wind
Calm
0.3
UV Index
Low
11.6h daylight

April

April is cold with highs of 8°C and lows of 0°C. Moderate rainfall (39 mm) and partly cloudy skies.

51 Acceptable

Comfort

Feels Like Cold
C
Temperature
81%
Humidity
Very Humid

Weather

39 mm
Rainfall
2.8 m/s
Wind
Calm
0.6
UV Index
Moderate
14.3h daylight

May

May is cool with highs of 16°C and lows of 5°C. Moderate rainfall (38 mm) and mostly overcast skies.

67 Good

Comfort

10°
Feels Like Cool
10°C
Temperature
16°
78%
Humidity
Very Humid

Weather

38 mm
Rainfall
2.8 m/s
Wind
Calm
1.0
UV Index
Moderate
16.8h daylight

June

June is cool with highs of 20°C and lows of 10°C. Moderate rainfall (60 mm) and mostly overcast skies.

63 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
10° 20°
75%
Humidity
Very Humid

Weather

60 mm
Rainfall
2.6 m/s
Wind
Calm
1.3
UV Index
High
18.2h daylight

July

July is cool with highs of 22°C and lows of 12°C. The wettest month with 77 mm of rain and mostly overcast skies.

63 Good

Comfort

17°
Feels Like Cool
17°C
Temperature
12° 22°
75%
Humidity
Very Humid

Weather

77 mm
Rainfall
2.4 m/s
Wind
Calm
1.3
UV Index
High
17.5h daylight

August

August is cool with highs of 20°C and lows of 11°C. Moderate rainfall (64 mm) and mostly overcast skies.

65 Good

Comfort

16°
Feels Like Cool
16°C
Temperature
11° 21°
78%
Humidity
Very Humid

Weather

64 mm
Rainfall
2.3 m/s
Wind
Calm
0.9
UV Index
Moderate
15.3h daylight

September

September is cool with highs of 15°C and lows of 8°C. Moderate rainfall (66 mm) and mostly overcast skies.

55 Acceptable

Comfort

11°
Feels Like Cool
11°C
Temperature
15°
82%
Humidity
Very Humid

Weather

66 mm
Rainfall
2.5 m/s
Wind
Calm
0.5
UV Index
Low
12.6h daylight

October

October is cold with highs of 10°C and lows of 4°C. Moderate rainfall (56 mm) and mostly overcast skies.

55 Acceptable

Comfort

Feels Like Cold
C
Temperature
10°
90%
Humidity
Very Humid

Weather

56 mm
Rainfall
2.5 m/s
Wind
Calm
0.1
UV Index
Low
10.0h daylight

November

November is cold with highs of 4°C and lows of 0°C. Moderate rainfall (61 mm) and mostly overcast skies.

41 Poor

Comfort

Feels Like Cold
C
Temperature
96%
Humidity
Very Humid

Weather

61 mm
Rainfall
2.7 m/s
Wind
Calm
0.0
UV Index
Low
7.4h daylight

December

December is freezing with highs of 2°C and lows of -4°C. Moderate rainfall (49 mm) and mostly overcast skies.

34 Poor

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-4°
97%
Humidity
Very Humid

Weather

49 mm
Rainfall
2.6 m/s
Wind
Calm
0.0
UV Index
Low
5.9h daylight

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