Weather in Islay in May

General weather information about Islay

Average annual temperature is 8.1 °C

Absolute maximum temperature: 30.7 °C

Absolute minimum temperature: -31.6 °C

Number of sunny days: 134 days

Number of rainy days: 189 days

Number of snow days: 42 days

Look at detailed online map of Islay

* Weather data for Islay Canada is based on climate observations for 2026 year

Islay air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.910.47.626.530.630.730.226.230.526.913.010.6
Average daytime temperature (°C)-0.41.13.213.818.823.225.522.921.914.75.73.1
Average temperature (°C)-3.6-4.7-1.37.212.418.220.618.416.610.91.90.2
Average night temperature (°C)-6.7-9.5-5.22.16.613.516.214.612.78.2-1.2-2.2
Absolute minimum temperature (°C)-19.7-31.6-12.4-9.20.29.312.810.36.9-1.2-7.9-10.1

Islay monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.310.411.913.514.815.515.214.012.511.09.68.9
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.05.16.18.511.211.212.010.49.55.75.42.6
Precipitation (mm)8977901146513512688371044784
Sunny days7811112213591810911
Rainy days1191018917262212211717
Snow days131110100000043

Islay - weather forecast by months

Islay weather in januaryIslay weather in februaryIslay weather in marchIslay weather in aprilIslay weather in mayIslay weather in juneIslay weather in julyIslay weather in augustIslay weather in septemberIslay weather in octoberIslay weather in novemberIslay weather in december

Best time to visit Islay:

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

  • May — 11.2(h)
  • June — 11.2(h)
  • July — 12.0(h)
  • August — 10.4(h)

Months with the longest average daylight duration in Islay:

  • June — 15.5(h)

The largest precipitation sum in Islay is at

  • April — 114(mm)
  • June — 135(mm)
  • July — 126(mm)

    • Weather forecast in the closest to Islay admin centers

    Weather forecast in the closest towns to Islay

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    Frequently asked questions

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