Colonsay weather by month & the best time to visit
🇬🇧 United Kingdom · seaside town · oceanic / maritime climate
Colonsay is short on reliable sunshine. Its best month is July (Score 38/100) — 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
- 1,375
- Sunniest month
- July
- Peak score
- 38/100
- Rain / year
- 1,525 mm
- Midday UV at peak
- 4 (moderate)
- Sea at warmest
- 15°C / 59°F
- Population
- 16k
- Elevation
- 11 m
.JPG/960px-Colonsay_House_(cropped).JPG)
When is the best time to visit Colonsay?
Colonsay never gets truly sunny weather: July is as good as it gets at 38/100, 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 Colonsay?
Colonsay isn't a sunny place by world standards: about 1,375 hours of sunshine a year. July (38/100) is noticeably better than January (0). It ranks #21 of 48 destinations in United Kingdom for annual sunshine, above the national median of 1,345 hours. The year's 1,525 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 | 165 mm | 0 | 9° / 48°F |
| February | 0 | 7° / 45°F | 5° / 41°F | 122 mm | 0 | 9° / 48°F |
| March | 0 | 8° / 46°F | 5° / 41°F | 112 mm | 1 | 8° / 46°F |
| April | 12 | 10° / 50°F | 7° / 45°F | 79 mm | 3 | 9° / 48°F |
| May | 23 | 12° / 54°F | 9° / 48°F | 94 mm | 4 | 12° / 54°F |
| June | 34 | 14° / 57°F | 11° / 52°F | 98 mm | 4 | 13° / 55°F |
| July | 38 | 15° / 59°F | 13° / 55°F | 113 mm | 4 | 14° / 57°F |
| August | 36 | 15° / 59°F | 13° / 55°F | 134 mm | 3 | 15° / 59°F |
| September | 38 | 15° / 59°F | 12° / 54°F | 119 mm | 2 | 14° / 57°F |
| October | 25 | 13° / 55°F | 10° / 50°F | 162 mm | 1 | 13° / 55°F |
| November | 10 | 10° / 50°F | 8° / 46°F | 160 mm | 0 | 12° / 54°F |
| December | 5 | 9° / 48°F | 7° / 45°F | 167 mm | 0 | 10° / 50°F |
Sea temperature in Colonsay by month
The sea off Colonsay is warmest in August at around 15°C / 59°F, and coolest in March 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 Colonsay on the interactive sunshine globe →
Nearby places for sunshine
- Glasgow United Kingdom · 115 km · best in Jul · 1,306 h sun/yr
- Glasgow United Kingdom · 121 km · best in Jul · 1,304 h sun/yr
- Belfast United Kingdom · 156 km · best in Jul · 1,263 h sun/yr
- Edinburgh United Kingdom · 179 km · best in Jul · 1,292 h sun/yr
- Inverness United Kingdom · 212 km · best in Jul · 1,074 h sun/yr
- Castletown Isle of Man · 243 km · best in Jul · 1,459 h sun/yr
Nearest destinations
- Isle of Islay, Argyll and Bute United Kingdom · 42 km · 1,329 h sun/yr · best in Jul
- Balemartine, Argyll and Bute United Kingdom · 62 km · 1,378 h sun/yr · best in Aug
- Coll United Kingdom · 65 km · 1,379 h sun/yr · best in Aug
- Oban United Kingdom · 69 km · 1,046 h sun/yr · best in Jul
- Campbeltown United Kingdom · 77 km · 1,303 h sun/yr · best in Jul
Put the Colonsay sunshine badge on your site
A compact badge showing Colonsay's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: