St Martin's, Isles of Scilly

Island Main inhabited island of the Isles of Scilly

Low, sandy island in the Isles of Scilly noted for long beaches and coastal walking routes. Day‑trippers arrive by boat for swimming, sunbathing and simple village pubs.

Main image

St Martin’s is an inhabited island in the Isles of Scilly, north-east of St Mary’s within the archipelago off the southwest coast of England. It is recognised for its open agricultural landscape, coastal heath and sandy beaches that extend along parts of the shoreline.

The island supports small settlements and seasonal visitor accommodation and is accessed by passenger boat from St Mary’s; local activities include coastal walking, beach use and birdwatching. St Martin’s functions as a quiet, low-density destination within the Scilly Islands, with services concentrated in a few small centres.

St Martin's, Isles of Scilly
49.9624, -6.2852

How to Get to St Martin's, Isles of Scilly #

Reachable by passenger ferry from St Mary’s; St Mary’s is served by flights from Land’s End or ferries from Penzance. Inter-island services link St Martin’s to the main island regularly in summer.

Tips for Visiting St Martin's, Isles of Scilly #

  • Walk to the Garrison and Old Town for panoramic views, and take the coastal path to Porth Hellick for reedbed birdlife.
  • Hire a bicycle from St Mary's and ferry across early to make a day of it - the island rewards slow exploration.
  • Bring cash for small cafes and boat change; facilities are limited outside the main season.

Best Time to Visit St Martin's, Isles of Scilly #

Best in summer for island connections and warmer sea swims; spring and early autumn are quieter and good for wildlife.

Summer
Jun-Aug · 15-20°C
Warmest months with the best inter-island boat service.
Spring
Apr-May · 10-16°C
Wildflowers and fewer crowds on coastal paths.

Weather & Climate near St Martin's, Isles of Scilly #

Climate

Temperate climate with mild summers (peaking in August) and cold winters (coldest in February). Temperatures range from 6°C to 18°C. Abundant rainfall (1023 mm/year), wettest in January.

Best Time to Visit
JulyJuneAugust
Temperature & Rainfall
Temperature Range
21°
Warmest Month
Coldest Month
Monthly Conditions

January

January is cold with highs of 10°C and lows of 7°C. The wettest month with heavy rain (126 mm), mostly overcast skies, and breezy conditions.

42 Poor

Comfort

Feels Like Cold
C
Temperature
10°
82%
Humidity
Very Humid

Weather

126 mm
Rainfall
9.0 m/s
Wind
Breezy
0.1
UV Index
Low
8.5h daylight

February

February is the coolest month with highs of 10°C and lows of 6°C. Regular rainfall (100 mm), mostly overcast skies, and breezy conditions.

46 Poor

Comfort

Feels Like Cold
C
Temperature
10°
82%
Humidity
Very Humid

Weather

100 mm
Rainfall
8.3 m/s
Wind
Breezy
0.2
UV Index
Low
9.9h daylight

March

March is cold with highs of 11°C and lows of 7°C. Regular rainfall (88 mm), mostly overcast skies, and breezy conditions.

48 Poor

Comfort

Feels Like Cold
C
Temperature
11°
84%
Humidity
Very Humid

Weather

88 mm
Rainfall
7.8 m/s
Wind
Breezy
0.5
UV Index
Low
11.7h daylight

April

April is cold with highs of 12°C and lows of 8°C. Moderate rainfall (56 mm), mostly overcast skies, and breezy conditions.

56 Acceptable

Comfort

10°
Feels Like Cold
10°C
Temperature
12°
85%
Humidity
Very Humid

Weather

56 mm
Rainfall
6.9 m/s
Wind
Breezy
0.9
UV Index
Moderate
13.6h daylight

May

May is cool with highs of 14°C and lows of 10°C. Moderate rainfall (58 mm), mostly overcast skies, and breezy conditions.

56 Acceptable

Comfort

12°
Feels Like Cool
12°C
Temperature
10° 14°
86%
Humidity
Very Humid

Weather

58 mm
Rainfall
6.6 m/s
Wind
Breezy
1.3
UV Index
High
15.2h daylight

June

June is cool with highs of 16°C and lows of 12°C. Moderate rainfall (54 mm) and mostly overcast skies.

66 Good

Comfort

14°
Feels Like Cool
14°C
Temperature
12° 16°
87%
Humidity
Very Humid

Weather

54 mm
Rainfall
5.8 m/s
Wind
Light Breeze
1.6
UV Index
Very High
16.0h daylight

July

July is cool with highs of 18°C and lows of 14°C. Moderate rainfall (50 mm) and mostly overcast skies.

68 Good

Comfort

16°
Feels Like Cool
16°C
Temperature
14° 18°
87%
Humidity
Very Humid

Weather

50 mm
Rainfall
5.7 m/s
Wind
Light Breeze
1.5
UV Index
Very High
15.6h daylight

August

August is cool with highs of 18°C and lows of 14°C. Moderate rainfall (70 mm) and mostly overcast skies.

66 Good

Comfort

16°
Feels Like Cool
16°C
Temperature
14° 19°
85%
Humidity
Very Humid

Weather

70 mm
Rainfall
5.6 m/s
Wind
Light Breeze
1.3
UV Index
High
14.2h daylight

September

September is cool with highs of 17°C and lows of 13°C. Regular rainfall (85 mm), mostly overcast skies, and breezy conditions.

60 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
13° 17°
85%
Humidity
Very Humid

Weather

85 mm
Rainfall
6.2 m/s
Wind
Breezy
0.8
UV Index
Moderate
12.4h daylight

October

October is cool with highs of 15°C and lows of 11°C. Significant rainfall (102 mm), mostly overcast skies, and breezy conditions.

50 Acceptable

Comfort

13°
Feels Like Cool
13°C
Temperature
11° 15°
84%
Humidity
Very Humid

Weather

102 mm
Rainfall
7.5 m/s
Wind
Breezy
0.4
UV Index
Low
10.6h daylight

November

November is cool with highs of 12°C and lows of 9°C. Significant rainfall (111 mm), mostly overcast skies, and breezy conditions.

48 Poor

Comfort

11°
Feels Like Cool
11°C
Temperature
12°
82%
Humidity
Very Humid

Weather

111 mm
Rainfall
8.3 m/s
Wind
Breezy
0.1
UV Index
Low
8.9h daylight

December

December is cold with highs of 11°C and lows of 8°C. Significant rainfall (123 mm), mostly overcast skies, and breezy conditions.

46 Poor

Comfort

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

Weather

123 mm
Rainfall
8.8 m/s
Wind
Breezy
0.1
UV Index
Low
8.0h daylight

Nearby Attractions to St Martin's, Isles of Scilly