Best year time to visit Boundary

General weather information about Boundary

Average annual temperature is -5.1 °C

Absolute maximum temperature: 25.2 °C

Absolute minimum temperature: -33.2 °C

Number of sunny days: 146 days

Number of rainy days: 117 days

Number of snow days: 102 days

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* Weather data for Boundary United States is based on climate observations for 2026 year

Boundary air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)-4.9-11.3-1.03.617.119.425.221.511.83.7-0.6-5.3
Average daytime temperature (°C)-13.5-16.8-9.4-3.28.914.119.216.05.9-3.7-10.5-16.3
Average temperature (°C)-16.0-20.6-15.0-8.73.79.114.211.51.8-7.8-13.9-20.4
Average night temperature (°C)-18.3-23.2-18.5-12.3-0.84.69.57.2-1.3-10.4-16.8-24.6
Absolute minimum temperature (°C)-24.7-33.2-31.7-20.2-7.2-2.14.72.3-7.3-18.8-31.4-32.2

Boundary monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.019.021.020.017.014.011.08.05.0
Daylight mean duration (h)5.68.611.815.118.420.819.616.313.09.86.54.4
Daylight minimum duration (h)4.07.010.013.016.020.018.014.011.08.05.04.0
Sunshine mean duration (h)0.84.37.58.011.312.612.610.65.74.31.51.1
Precipitation (mm)29812375679725632542821
Sunny days121621101171169141613
Rainy days10121923202518611
Snow days181291810003111317

Boundary - weather forecast by months

Boundary weather in januaryBoundary weather in februaryBoundary weather in marchBoundary weather in aprilBoundary weather in mayBoundary weather in juneBoundary weather in julyBoundary weather in augustBoundary weather in septemberBoundary weather in octoberBoundary weather in novemberBoundary weather in december

Best time to visit Boundary:

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

  • May — 11.3(h)
  • June — 12.6(h)
  • July — 12.6(h)
  • August — 10.6(h)

Months with the longest average daylight duration in Boundary:

  • May — 18.4(h)
  • June — 20.8(h)
  • July — 19.6(h)
  • August — 16.3(h)

The largest precipitation sum in Boundary is at

  • May — 56(mm)
  • June — 79(mm)
  • July — 72(mm)
  • August — 56(mm)
  • October — 54(mm)

    • Weather forecast in the closest to Boundary admin centers

    Weather forecast in the closest towns to Boundary

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    Frequently asked questions

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