Sun, sea & sand

Stornoway weather in July

Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.

5

Holiday weather in July

Poor

Best time to visit: April – June

What is the weather like in Stornoway in July?

In July, Stornoway is mild: daytime highs average 16 °C, and nights cool down to about 12 °C. The sea averages 12.9 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. It rains often – on about 19 days, adding up to 90 mm. All in all, July is not an ideal month for a holiday in Stornoway.

July compared

How the weather changes from June to August. Tap a month to open it.

JuneJunJulyJulAugustAug
Score1054
Day14°16°16°
Night10°12°12°
Sea11°13°14°
Sun5 h5 h4 h
Rain days171918

More details for July

Daylight
17 h 37 min04:43 – 22:20
UV index
6 · highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
21 km/haverage daily peakAll months
Cloud cover
81 %on averageAll months
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+1Europe/London

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %25 %
  • Few rainy daysweight 20 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in July

  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella

Stornoway in July: quick answers

Is Stornoway hot in July?

No. In July, Stornoway is mild: daytime highs average 16 °C and nights drop to about 12 °C.

Can you swim in Stornoway in July?

Only if you don't mind cold water: in July the sea averages just 12.9 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Stornoway in July?

It rains often – on about 19 days, adding up to 90 mm.

Stornoway month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences