Stornoway, Lewis weather in July 2025

Expect 15°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Stornoway, Lewis in July based on long-term weather averages. There is usually 18 days with some rainfall and 86 mm of average monthly rainfall in July.

  • 15°C maximum daytime temperature in July in Stornoway, Lewis15
    15°C max day temperature
  • 4 hours of sunshine per day
  • 18 days with some rainfall in July in Stornoway, Lewis18
    18 days with some rainfall
  • 10°C minimum night-time temperature in July in Stornoway, Lewis10
    10°C min night temperature
  • 17 hours of daylight per day in July in Stornoway, Lewis17
    17 hours of daylight per day
  • No heat & humidity in July in Stornoway, Lewis0
    No heat & humidity
  • 86 mm monthly rainfall in July in Stornoway, Lewis86
    86 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in July in Stornoway, Lewis5
    5 (Moderate) UV index
  • 12°C sea temperature in July in Stornoway, Lewis12
    12°C sea temperature

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Stornoway, Lewis by month

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The July weather guide for Scotland (Stornoway, Lewis) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Scotland

How warm is it in Stornoway, Lewis in July?

Daytime temperatures usually reach 15°C in Stornoway, Lewis in July, falling to 10°C at night.

How sunny is it in Stornoway, Lewis in July?

There are normally 4 hours of bright sunshine each day in Stornoway, Lewis in July - that's 24% of daylight hours.

How warm is the sea around Stornoway, Lewis in July?

The average sea temperature around Stornoway, Lewis in July is 12°C.

Does it rain in Stornoway, Lewis in July?

There are usually 18 days with some rain in Stornoway, Lewis in July and the average monthly rainfall is 86mm.

Stornoway, Lewis July sunrise & sunset times

Browse the sunrise and sunset times for Stornoway, Lewis in July 2025. Select a month to view Stornoway, Lewis sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 03:26 21:32
Wednesday, 16th July 2025 03:47 21:15
Thursday, 31st July 2025 04:16 20:47

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