Grimsay

Island Small Hebridean island with crofting and fishing communities

A low Hebridean island near North Uist, linked by causeway; visitors come for coastal scenery, seabird colonies, fishing and quiet beaches.

Main image
Grimsay
Grimsay, Outer Hebrides, Scotland
57.4833, -7.2333

How to Get to Grimsay #

Access is by causeway from Benbecula (in the Outer Hebrides) or by local ferry services that connect the small islands. Check local ferry timetables and weather before travel.

Tips for Visiting Grimsay #

  • Hire a local boat for flexible crossings rather than relying on infrequent ferries.
  • Explore the machair (sea grass plains) for wildflowers in late spring; the island's birdlife is concentrated in low dunes and tidal flats.
  • Bring cash - facilities are minimal and shops are sporadic.

Best Time to Visit Grimsay #

Summer for the warmest temperatures and longest daylight; shoulder seasons for fewer visitors.

Summer
Jun-Aug · 10-15°C (50-59°F)
Mildest weather and the best time for birdwatching and boating; daylight is long.
Late Spring/Early Autumn
May, Sep · 8-13°C (46-55°F)
Fewer midges than peak summer and quieter harbours for exploring.

Weather & Climate near Grimsay #

Climate

Continental climate with cool summers (peaking in July) and cold winters (coldest in February). Temperatures range from 3°C to 16°C. Abundant rainfall (1402 mm/year), wettest in October.

Best Time to Visit
JulyAugustMay
Temperature & Rainfall
Temperature Range
20°
Warmest Month
Coldest Month
Monthly Conditions

January

January is cold with highs of 7°C and lows of 3°C. Significant rainfall (150 mm), mostly overcast skies, and breezy conditions.

34 Poor

Comfort

Feels Like Cold
C
Temperature
82%
Humidity
Very Humid

Weather

150 mm
Rainfall
8.1 m/s
Wind
Breezy
0.0
UV Index
Low
7.1h daylight

February

February is the coolest month with highs of 8°C and lows of 3°C. Significant rainfall (109 mm), mostly overcast skies, and breezy conditions.

38 Poor

Comfort

Feels Like Cold
C
Temperature
81%
Humidity
Very Humid

Weather

109 mm
Rainfall
8.1 m/s
Wind
Breezy
0.1
UV Index
Low
9.2h daylight

March

March is cold with highs of 8°C and lows of 4°C. Significant rainfall (121 mm), mostly overcast skies, and breezy conditions.

38 Poor

Comfort

Feels Like Cold
C
Temperature
82%
Humidity
Very Humid

Weather

121 mm
Rainfall
7.7 m/s
Wind
Breezy
0.3
UV Index
Low
11.6h daylight

April

April is cold with highs of 10°C and lows of 4°C. Moderate rainfall (76 mm), mostly overcast skies, and breezy conditions.

50 Acceptable

Comfort

Feels Like Cold
C
Temperature
10°
83%
Humidity
Very Humid

Weather

76 mm
Rainfall
6.7 m/s
Wind
Breezy
0.6
UV Index
Moderate
14.1h daylight

May

May is cool with highs of 13°C and lows of 7°C. Moderate rainfall (63 mm), mostly overcast skies, and breezy conditions.

54 Acceptable

Comfort

10°
Feels Like Cool
10°C
Temperature
13°
84%
Humidity
Very Humid

Weather

63 mm
Rainfall
6.0 m/s
Wind
Breezy
1.0
UV Index
Moderate
16.4h daylight

June

June is cool with highs of 15°C and lows of 10°C. Moderate rainfall (75 mm), mostly overcast skies, and breezy conditions.

50 Acceptable

Comfort

12°
Feels Like Cool
12°C
Temperature
10° 15°
86%
Humidity
Very Humid

Weather

75 mm
Rainfall
6.1 m/s
Wind
Breezy
1.2
UV Index
High
17.6h daylight

July

July is cool with highs of 16°C and lows of 11°C. Regular rainfall (90 mm) and mostly overcast skies.

60 Good

Comfort

14°
Feels Like Cool
14°C
Temperature
11° 16°
87%
Humidity
Very Humid

Weather

90 mm
Rainfall
5.6 m/s
Wind
Light Breeze
1.1
UV Index
High
17.0h daylight

August

August is cool with highs of 16°C and lows of 11°C. Significant rainfall (104 mm) and mostly overcast skies.

58 Acceptable

Comfort

14°
Feels Like Cool
14°C
Temperature
11° 16°
86%
Humidity
Very Humid

Weather

104 mm
Rainfall
5.5 m/s
Wind
Light Breeze
0.8
UV Index
Moderate
15.0h daylight

September

September is cool with highs of 14°C and lows of 10°C. Significant rainfall (138 mm), mostly overcast skies, and breezy conditions.

46 Poor

Comfort

12°
Feels Like Cool
12°C
Temperature
10° 15°
85%
Humidity
Very Humid

Weather

138 mm
Rainfall
6.4 m/s
Wind
Breezy
0.5
UV Index
Low
12.6h daylight

October

October is cold with highs of 12°C and lows of 8°C. The wettest month with heavy rain (163 mm), mostly overcast skies, and breezy conditions.

44 Poor

Comfort

10°
Feels Like Cold
10°C
Temperature
12°
83%
Humidity
Very Humid

Weather

163 mm
Rainfall
7.2 m/s
Wind
Breezy
0.2
UV Index
Low
10.1h daylight

November

November is cold with highs of 9°C and lows of 5°C. Significant rainfall (160 mm), mostly overcast skies, and breezy conditions.

42 Poor

Comfort

Feels Like Cold
C
Temperature
81%
Humidity
Very Humid

Weather

160 mm
Rainfall
7.3 m/s
Wind
Breezy
0.0
UV Index
Low
7.8h daylight

December

December is cold with highs of 8°C and lows of 4°C. Significant rainfall (153 mm), mostly overcast skies, and breezy conditions.

34 Poor

Comfort

Feels Like Cold
C
Temperature
81%
Humidity
Very Humid

Weather

153 mm
Rainfall
7.5 m/s
Wind
Breezy
0.0
UV Index
Low
6.4h daylight

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