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Calvay

Island
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In this guide

Calvay essentials

Address: Calvay, Outer Hebrides, Scotland (uninhabited islet)
Things to Do
When to Go

Best Time to Visit Calvay

Best visited in summer weeks with a local boat operator; landing depends on sea state and tides.

Summer (Jun-Aug)
Jun-Aug · 10°C to 16°C
Milder weather and long daylight make landing and exploring feasible; midges can be a nuisance.
Late spring/early autumn (May, Sep)
May, Sep · 6°C to 12°C
Quieter seas and fewer tourists; weather still changeable but often clearer.

Weather & Climate near Calvay

Climate

Calvay's climate is classified as Oceanic - Oceanic climate with cool summers (peaking in August) and cold winters (coldest in February). Temperatures range from 3°C to 16°C. Abundant rainfall (1473 mm/year), wettest in October.

Air Quality: AQI 22 Good
Best Time to Visit
JulyAugustMay
Temperature & Rainfall
Temperature Range
19°
Warmest Month
0°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor 3° - 7° 5° 161 mm overcast 81% 9.1 m/s 0.0 low 7.1h
February Poor 3° - 7° 0° 116 mm overcast 81% 9.2 m/s 0.1 low 9.2h
March Poor 3° - 8° 1° 126 mm overcast 82% 8.5 m/s 0.3 low 11.6h
April Acceptable 4° - 10° 3° 79 mm overcast 83% 7.4 m/s 0.6 moderate 14.1h
May Acceptable 6° - 12° 6° 69 mm overcast 84% 6.5 m/s 1.0 moderate 16.4h
June Acceptable 9° - 14° 11° 78 mm overcast 87% 6.5 m/s 1.2 high 17.6h
July Acceptable 11° - 16° 13° 95 mm overcast 87% 6.0 m/s 1.1 high 17.0h
August Acceptable 11° - 16° 13° 110 mm overcast 86% 6.0 m/s 0.8 moderate 15.0h
September Poor 9° - 14° 12° 143 mm overcast 85% 7.0 m/s 0.5 low 12.6h
October Poor 7° - 12° 6° 169 mm overcast 83% 8.0 m/s 0.2 low 10.1h
November Poor 5° - 9° 3° 166 mm overcast 81% 8.3 m/s 0.0 low 7.8h
December Poor 4° - 8° 1° 161 mm overcast 81% 8.3 m/s 0.0 low 6.4h
Getting There & Around

How to Get to Calvay

Calvay is reached only by private boat from nearby islands in the Outer Hebrides. Visitors should arrange passage with local skippers operating from South Uist or neighboring islands and check tide and weather conditions carefully before attempting a landing.

Tips for Visiting Calvay

  • Bring windproof clothing - the Outer Hebrides are exposed and the island is mostly rock and shoreline.
  • Explorers should respect private land and grazing animals; much of the islet is uninhabited and accessed from small boats only.
  • Check tide charts before attempting any landing from the east coastline of South Uist or neighbouring shores.