Stornoway weather by month & the best time to visit
🇬🇧 United Kingdom · seaside town · oceanic / maritime climate
Stornoway is short on reliable sunshine. Its best month is July (Score 39/100) — for stronger sun, try one of the nearby alternatives below.
Jump to: month-by-month table · sea temperature · nearby alternatives · embed this data
- Sun hours / year
- 1,212
- Sunniest month
- July
- Peak score
- 39/100
- Rain / year
- 1,375 mm
- Midday UV at peak
- 4 (moderate)
- Sea at warmest
- 13°C / 55°F
- Population
- 19k
- Elevation
- Sea level

When is the best time to visit Stornoway?
Stornoway never gets truly sunny weather: July is as good as it gets at 39/100, and January is the low point (0/100). If sunshine is the point of the trip, the nearby alternatives below do better.
How sunny is Stornoway?
Stornoway isn't a sunny place by world standards: about 1,212 hours of sunshine a year. July (39/100) is noticeably better than January (0). It ranks #45 of 48 destinations in United Kingdom for annual sunshine, below the national median of 1,345 hours. The year's 1,375 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | 8° / 46°F | 6° / 43°F | 144 mm | 0 | 9° / 48°F |
| February | 0 | 7° / 45°F | 5° / 41°F | 110 mm | 0 | 8° / 46°F |
| March | 0 | 8° / 46°F | 5° / 41°F | 105 mm | 1 | 8° / 46°F |
| April | 6 | 9° / 48°F | 7° / 45°F | 75 mm | 2 | 9° / 48°F |
| May | 17 | 11° / 52°F | 8° / 46°F | 89 mm | 3 | 12° / 54°F |
| June | 29 | 13° / 55°F | 11° / 52°F | 89 mm | 4 | 11° / 52°F |
| July | 39 | 15° / 59°F | 12° / 54°F | 104 mm | 4 | 12° / 54°F |
| August | 37 | 15° / 59°F | 13° / 55°F | 118 mm | 3 | 13° / 55°F |
| September | 32 | 14° / 57°F | 12° / 54°F | 119 mm | 2 | 13° / 55°F |
| October | 20 | 12° / 54°F | 10° / 50°F | 143 mm | 1 | 12° / 54°F |
| November | 10 | 10° / 50°F | 8° / 46°F | 134 mm | 0 | 11° / 52°F |
| December | 0 | 8° / 46°F | 6° / 43°F | 145 mm | 0 | 10° / 50°F |
Sea temperature in Stornoway by month
The sea off Stornoway is warmest in August at around 13°C / 55°F, and coolest in February at 8°C / 46°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Stornoway on the interactive sunshine globe →
Nearby places for sunshine
- Inverness United Kingdom · 154 km · best in Jul · 1,074 h sun/yr
- Aberdeen United Kingdom · 270 km · best in Jul · 1,300 h sun/yr
- Glasgow United Kingdom · 285 km · best in Jul · 1,306 h sun/yr
- Edinburgh United Kingdom · 309 km · best in Jul · 1,292 h sun/yr
- Glasgow United Kingdom · 320 km · best in Jul · 1,304 h sun/yr
- Belfast United Kingdom · 396 km · best in Jul · 1,263 h sun/yr
Nearest destinations
- Balivanich United Kingdom · 102 km · 1,235 h sun/yr · best in Jul
- Eoligarry United Kingdom · 148 km · 1,232 h sun/yr · best in Aug
- Coll United Kingdom · 180 km · 1,379 h sun/yr · best in Aug
- Wick United Kingdom · 191 km · 1,289 h sun/yr · best in Jul
- Balemartine, Argyll and Bute United Kingdom · 194 km · 1,378 h sun/yr · best in Aug
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