St Kilda

Historical Site Remote Scottish archipelago with significant seabird colonies

An isolated outer-Hebrides archipelago, St Kilda draws seabird enthusiasts to large gannet and puffin colonies, the ruined village evacuated in 1930, and boat trips from mainland ports to view cliffs and sea stacks.

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St Kilda is a remote archipelago in the North Atlantic, part of Scotland, noted for a well-preserved abandoned human settlement landscape on Hirta and internationally important seabird colonies. It was inscribed on the World Heritage List in 1986 and later recognised for both natural and cultural values.

St Kilda was inhabited for centuries by a small, isolated community that maintained a traditional subsistence economy based on seabirds, pasturage and limited agriculture; the remaining village was abandoned in 1930 when the last residents were evacuated. The islands have since been managed for conservation of both cultural remains and wildlife.

The archipelago lies about 64 kilometres (40 miles) west-northwest of North Uist in the Outer Hebrides and is the westernmost part of the British Isles, reached by infrequent boat or helicopter services from the Scottish mainland or Outer Hebrides.

  • UNESCO designation: Designated a World Heritage Site in 1986 and later recognised for both its natural and cultural values, combining a deserted traditional settlement with outstanding seabird colonies.
  • Wildlife viewing: Best wildlife viewing is during the seabird breeding season when large colonies of gannets, puffins and other species concentrate on cliffs and stacks; boat trips around the islands give close views of stacks and seabird colonies.

What to See #

  • Hirta: The main island of Hirta contains the abandoned village, remaining stone dwellings and cultivated patches that illustrate pre-20th century island life and settlement patterns.
  • Sea stacks: Notable offshore sea stacks and stacks such as Stac an Armin and Stac Lee provide important breeding habitat for seabirds and are prominent natural features visible from the main islands.
St Kilda
St Kilda (Hirta), Outer Hebrides, Scotland, UK
57.8172, -8.5767
No general admission (visitor access by boat/charter; landing and visits managed by the National Trust for Scotland - permissions/seasonal restrictions may apply)

How to Get to St Kilda #

St Kilda (the remote Outer Hebrides archipelago) is only accessible by sea or by occasional helicopter. Passenger boats and organised day trips run seasonally (weather permitting) from ports in the Outer Hebrides - commonly from the Isle of Lewis/Harris area (for example Leverburgh) - and flights/charters operate only intermittently; travel is strongly weather‑dependent and typically arranged in advance.

Tips for Visiting St Kilda #

  • Plan landings between late spring and mid‑summer (June-August) when sea conditions are most likely to permit access and seabird colonies are at their most active-operators cancel frequently outside this window due to rough seas.
  • Book a landing with a licensed operator well in advance and check National Trust for Scotland (NTS) or operator notices the day before departure-landings are limited, highly weather-dependent, and often rescheduled.
  • On Hirta, join a guided walk or head straight to the village ruins and the island's archaeology early in the day; many day‑trip passengers linger on decks and miss the interpreted village and historic landscapes inland.

Best Time to Visit St Kilda #

St Kilda is best visited in late spring to summer (roughly May-September) when boat access is most reliable and seabird colonies are active.

Summer (access season)
May-September · 8-15°C
Main season for boat landings, seabird colonies and guided visits - weather is cool but most reliable for access.
Shoulder seasons
April, October · 5-12°C
Possible to visit but weather is more changeable and boat services may be reduced.
Winter (closed/unsafe)
November-March · 0-8°C
Frequent storms and rough seas make travel to the archipelago unsafe or impossible for much of the winter.

Weather & Climate near St Kilda #

Climate

St Kilda's climate is classified as Oceanic - Oceanic climate with cool summers (peaking in August) and cold winters (coldest in March). Temperatures range from 2°C to 12°C. Abundant rainfall (1747 mm/year), wettest in October.

Air Quality: AQI 19 Good
Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
19°
Warmest Month
Coldest Month
Monthly Conditions

January

January is cold with highs of 7°C and lows of 4°C. Significant rainfall (189 mm), mostly overcast skies, and windy conditions.

32 Poor

Comfort

Feels Like Cold
C
Temperature
80%
Humidity
Very Humid

Weather

189 mm
Rainfall
11.7 m/s
Wind
Windy
0.0
UV Index
Low
7.1h daylight

February

February is cold with highs of 7°C and lows of 3°C. Significant rainfall (147 mm), mostly overcast skies, and windy conditions.

34 Poor

Comfort

Feels Like Cold
C
Temperature
79%
Humidity
Very Humid

Weather

147 mm
Rainfall
11.4 m/s
Wind
Windy
0.1
UV Index
Low
9.2h daylight

March

March is the coolest month with highs of 6°C and lows of 2°C. Significant rainfall (157 mm), mostly overcast skies, and windy conditions.

32 Poor

Comfort

Feels Like Cold
C
Temperature
80%
Humidity
Very Humid

Weather

157 mm
Rainfall
10.6 m/s
Wind
Windy
0.3
UV Index
Low
11.6h daylight

April

April is cold with highs of 7°C and lows of 3°C. Significant rainfall (103 mm), mostly overcast skies, and breezy conditions.

36 Poor

Comfort

Feels Like Cold
C
Temperature
82%
Humidity
Very Humid

Weather

103 mm
Rainfall
9.2 m/s
Wind
Breezy
0.6
UV Index
Moderate
14.1h daylight

May

May is cold with highs of 8°C and lows of 5°C. Regular rainfall (89 mm), mostly overcast skies, and breezy conditions.

40 Poor

Comfort

Feels Like Cold
C
Temperature
84%
Humidity
Very Humid

Weather

89 mm
Rainfall
8.2 m/s
Wind
Breezy
1.0
UV Index
High
16.4h daylight

June

June is cold with highs of 10°C and lows of 7°C. Regular rainfall (92 mm), mostly overcast skies, and breezy conditions.

48 Poor

Comfort

Feels Like Cold
C
Temperature
10°
87%
Humidity
Very Humid

Weather

92 mm
Rainfall
8.1 m/s
Wind
Breezy
1.2
UV Index
High
17.6h daylight

July

July is cool with highs of 12°C and lows of 8°C. Significant rainfall (107 mm), mostly overcast skies, and breezy conditions.

48 Poor

Comfort

10°
Feels Like Cool
10°C
Temperature
12°
87%
Humidity
Very Humid

Weather

107 mm
Rainfall
7.6 m/s
Wind
Breezy
1.2
UV Index
High
17.0h daylight

August

August is cool with highs of 12°C and lows of 9°C. Significant rainfall (127 mm), mostly overcast skies, and breezy conditions.

46 Poor

Comfort

11°
Feels Like Cool
11°C
Temperature
12°
86%
Humidity
Very Humid

Weather

127 mm
Rainfall
7.6 m/s
Wind
Breezy
0.9
UV Index
Moderate
15.0h daylight

September

September is cool with highs of 12°C and lows of 9°C. Significant rainfall (160 mm), mostly overcast skies, and breezy conditions.

42 Poor

Comfort

11°
Feels Like Cool
11°C
Temperature
12°
85%
Humidity
Very Humid

Weather

160 mm
Rainfall
9.0 m/s
Wind
Breezy
0.5
UV Index
Low
12.6h daylight

October

October is cold with highs of 11°C and lows of 7°C. The wettest month with heavy rain (200 mm), mostly overcast skies, and windy conditions.

38 Poor

Comfort

Feels Like Cold
C
Temperature
11°
82%
Humidity
Very Humid

Weather

200 mm
Rainfall
10.0 m/s
Wind
Windy
0.2
UV Index
Low
10.1h daylight

November

November is cold with highs of 9°C and lows of 5°C. Significant rainfall (190 mm), mostly overcast skies, and windy conditions.

40 Poor

Comfort

Feels Like Cold
C
Temperature
80%
Humidity
Very Humid

Weather

190 mm
Rainfall
10.8 m/s
Wind
Windy
0.0
UV Index
Low
7.8h daylight

December

December is cold with highs of 7°C and lows of 4°C. Significant rainfall (186 mm), mostly overcast skies, and windy conditions.

32 Poor

Comfort

Feels Like Cold
C
Temperature
80%
Humidity
Very Humid

Weather

186 mm
Rainfall
10.7 m/s
Wind
Windy
0.0
UV Index
Low
6.4h daylight

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