Best year time to visit Alster

General weather information about Alster

Average annual temperature is 7.1 °C

Absolute maximum temperature: 27.1 °C

Absolute minimum temperature: -16.7 °C

Number of sunny days: 136 days

Number of rainy days: 192 days

Number of snow days: 37 days

Look at detailed online map of Alster

* Weather data for Alster Sweden is based on climate observations for 2026 year

Alster air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)5.37.88.314.021.127.124.922.521.816.17.15.2
Average daytime temperature (°C)1.82.52.59.415.621.818.618.717.78.32.1-1.8
Average temperature (°C)0.20.0-0.65.111.718.216.116.215.36.20.2-3.9
Average night temperature (°C)-1.6-2.4-3.91.16.913.713.513.612.74.1-1.7-6.8
Absolute minimum temperature (°C)-8.6-8.2-9.2-6.1-0.46.810.510.08.10.0-8.9-16.7

Alster monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.013.015.018.018.018.016.014.011.08.06.0
Daylight mean duration (h)7.09.211.814.517.018.517.815.512.910.27.76.2
Daylight minimum duration (h)6.08.010.013.015.018.016.014.011.08.06.06.0
Sunshine mean duration (h)1.74.65.89.613.914.912.48.67.25.02.31.0
Precipitation (mm)100407645245220822298774470
Sunny days8151115222012613149
Rainy days1691214910302924181110
Snow days7481000000512

Alster - weather forecast by months

Alster weather in januaryAlster weather in februaryAlster weather in marchAlster weather in aprilAlster weather in mayAlster weather in juneAlster weather in julyAlster weather in augustAlster weather in septemberAlster weather in octoberAlster weather in novemberAlster weather in december

Best time to visit Alster:

The best time to visit Alster during the most sunny months:

  • April — 9.6(h)
  • May — 13.9(h)
  • June — 14.9(h)
  • July — 12.4(h)

Months with the longest average daylight duration in Alster:

  • May — 17.0(h)
  • June — 18.5(h)
  • July — 17.8(h)

The largest precipitation sum in Alster is at

  • July — 208(mm)
  • August — 222(mm)

    • Weather forecast in the closest to Alster admin centers

    Weather forecast in the closest towns to Alster

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    Frequently asked questions

    When is the best time to visit Alster?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Alster.
    What is the weather like in Alster?
    See average temperature, rainfall and daylight hours for Alster by month in the table above.
    How many sunny days does Alster have?
    The monthly weather statistics above show sunshine and rainfall patterns for Alster throughout the year.