AI-generatedIsle of Arran at a glance
- Best time
- Jun – Aug
- Warmest month
- Aug · 16°
- Warmest sea
- Aug · 15.2°
- Sunshine a year
- 1,390 h
- Rain a year
- 1,774 mm
- Climate
- Maritime
- Time zone
- UTC+0 / UTC+1
- Elevation
- 287 m
Climate in Isle of Arran
Isle of Arran has a maritime climate with moderate summers and cool, often grey winters. August is the warmest month with average highs of 16 °C, while February is the coolest at 7 °C. With around 1,390 hours of sunshine a year, Isle of Arran is rather dull; May is the sunniest month with 6.7 hours a day.
Holiday weather through the year
Best time to visit Isle of Arran
The best time to visit Isle of Arran is from June to August. The sea stays too cool for a classic beach holiday: even in August it only reaches 15.2 °C. The wettest month is December with 211 mm of precipitation.
Isle of Arran through the seasons
How the weather changes over the seasons, with averages for each.
Isle of Arran in spring
Mar – May
Poor
- 8–12 °C by day
- Sea 9 °C
- 5.2 h of sun a day
- 43 rainy days in all
Isle of Arran in summer
Jun – Aug
Fair
- 14–16 °C by day
- Sea 14 °C
- 5.5 h of sun a day
- 49 rainy days in all
Isle of Arran in autumn
Sep – Nov
Poor
- 10–15 °C by day
- Sea 13 °C
- 2.8 h of sun a day
- 58 rainy days in all
Isle of Arran in winter
Dec – Feb
Poor
- 7–8 °C by day
- Sea 9 °C
- 1.7 h of sun a day
- 60 rainy days in all
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
No month
15–28 °C and not too much rain
Rainy months
All year
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Isle of Arran for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Poor
Best time to visit: June – August
Where to go in OctoberSea temperature in October
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 8°
- Midday, 13:00: about 12°
- Afternoon, 16:00: about 12°
- Evening, 20:00: about 10°
- Night, 23:00: about 9°
07:4918:24
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:26–08:40 · evening 17:33–18:47
- Blue hour
- Morning 07:12–07:26 · evening 18:47–19:01
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Isle of Arran compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 13° at the start of the month to 11° at the end. The sea cools from 13° to 12°. The days get 2.2 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 13° | 11° |
| Night-time low | 9° | 6° |
| Sea | 13° | 12° |
| Daylight | 11.6 h | 9.4 h |
What is the weather like in Isle of Arran in October?
In October, Isle of Arran is cool: daytime highs average 12 °C, and nights cool down to about 8 °C. The sea averages 12.7 °C – swimming is only for the hardy. The sun is scarce, with only about 2.7 hours a day. It rains often – on about 21 days, adding up to 210 mm. It is often windy: on a typical day the wind peaks at around 37 km/h. All in all, October is not an ideal month for a holiday in Isle of Arran.
More details for October
- Daylight
- 10 h 35 min07:49 – 18:24
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 37 km/haverage daily peakAll months
- Cloud cover
- 75 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+1offset from UTC
How the score comes together
- Temperatureweight 50 %44 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
- Windproof jacket
Compare two months in Isle of Arran
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
July has the better holiday weather in Isle of Arran: score 53 against 22. In July, days are 4 °C warmer than in October. The sea is 2 °C warmer in July. July has 4 fewer rainy days. The sun shines 3 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Holiday weather score | 22 | 53better |
| Daytime high | 12° | 16° |
| Night-time low | 8° | 11° |
| Sea | 12.7° | 14.8° |
| Sunshine | 2.7 h | 5.5 hbetter |
| Rainy days | 21 | 17better |
| Rainfall | 210 mm | 114 mmbetter |
Based on the climate averages 1996–2025.
Isle of Arran month by month
The typical weather for every month at a glance.
0January7° · Sea 8° · 1.4 h
In January, Isle of Arran is cold: daytime highs average 7 °C, and nights cool down to about 3 °C. The sea averages 8.3 °C – swimming is only for the hardy. The sun is scarce, with only about 1.4 hours a day. It rains often – on about 21 days, adding up to 190 mm. It is often windy: on a typical day the wind peaks at around 40 km/h. All in all, January is not an ideal month for a holiday in Isle of Arran.
Isle of Arran in January0February7° · Sea 8° · 2.4 h
In February, Isle of Arran is cold: daytime highs average 7 °C, and nights cool down to about 3 °C. The sea averages 7.5 °C – swimming is only for the hardy. The sun is scarce, with only about 2.4 hours a day. It rains often – on about 18 days, adding up to 156 mm. It is often windy: on a typical day the wind peaks at around 39 km/h. All in all, February is not an ideal month for a holiday in Isle of Arran.
Isle of Arran in February6March8° · Sea 8° · 3.5 h
In March, Isle of Arran is cold: daytime highs average 8 °C, and nights cool down to about 3 °C. The sea averages 7.5 °C – swimming is only for the hardy. The sun is scarce, with only about 3.5 hours a day. It rains often – on about 16 days, adding up to 120 mm. It is often windy: on a typical day the wind peaks at around 35 km/h. All in all, March is not an ideal month for a holiday in Isle of Arran.
Isle of Arran in March25April9° · Sea 9° · 5.4 h
In April, Isle of Arran is cold: daytime highs average 9 °C, and nights cool down to about 5 °C. The sea averages 8.6 °C – swimming is only for the hardy. Expect around 5.4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 87 mm in total. It is often windy: on a typical day the wind peaks at around 31 km/h. All in all, April is not an ideal month for a holiday in Isle of Arran.
Isle of Arran in April42May12° · Sea 11° · 6.7 h
In May, Isle of Arran is cool: daytime highs average 12 °C, and nights cool down to about 7 °C. The sea averages 10.5 °C – swimming is only for the hardy. The sun shines for around 6.7 hours a day. Rain is frequent, with about 14 rainy days and 94 mm in total. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, May is a so-so month for a holiday in Isle of Arran.
Isle of Arran in May49June14° · Sea 13° · 5.8 h
In June, Isle of Arran is cool: daytime highs average 14 °C, and nights cool down to about 9 °C. The sea averages 13.1 °C – swimming is only for the hardy. Expect around 5.8 hours of sunshine a day. It rains often – on about 15 days, adding up to 104 mm. It is often windy: on a typical day the wind peaks at around 28 km/h. All in all, June is a so-so month for a holiday in Isle of Arran – and yet one of the best months here.
Isle of Arran in June53July16° · Sea 15° · 5.5 h
In July, Isle of Arran is cool: daytime highs average 16 °C, and nights cool down to about 11 °C. The sea averages 14.8 °C – swimming is only for the hardy. Expect around 5.5 hours of sunshine a day. It rains often – on about 17 days, adding up to 114 mm. All in all, July is a so-so month for a holiday in Isle of Arran – and yet one of the best months here.
Isle of Arran in July51August16° · Sea 15° · 5.2 h
In August, Isle of Arran is cool: daytime highs average 16 °C, and nights cool down to about 11 °C. The sea averages 15.2 °C – swimming is only for the hardy. Expect around 5.2 hours of sunshine a day. It rains often – on about 18 days, adding up to 144 mm. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, August is a so-so month for a holiday in Isle of Arran – and yet one of the best months here.
Isle of Arran in August42September15° · Sea 14° · 4.0 h
In September, Isle of Arran is cool: daytime highs average 15 °C, and nights cool down to about 10 °C. The sea averages 14.1 °C – swimming is only for the hardy. Expect around 4.0 hours of sunshine a day. It rains often – on about 17 days, adding up to 145 mm. It is often windy: on a typical day the wind peaks at around 32 km/h. All in all, September is a so-so month for a holiday in Isle of Arran.
Isle of Arran in September22October12° · Sea 13° · 2.7 h
In October, Isle of Arran is cool: daytime highs average 12 °C, and nights cool down to about 8 °C. The sea averages 12.7 °C – swimming is only for the hardy. The sun is scarce, with only about 2.7 hours a day. It rains often – on about 21 days, adding up to 210 mm. It is often windy: on a typical day the wind peaks at around 37 km/h. All in all, October is not an ideal month for a holiday in Isle of Arran.
Isle of Arran in October8November10° · Sea 11° · 1.8 h
In November, Isle of Arran is cold: daytime highs average 10 °C, and nights cool down to about 5 °C. The sea averages 11.1 °C – swimming is only for the hardy. The sun is scarce, with only about 1.8 hours a day. It rains often – on about 21 days, adding up to 200 mm. It is often windy: on a typical day the wind peaks at around 39 km/h. All in all, November is not an ideal month for a holiday in Isle of Arran.
Isle of Arran in November0December8° · Sea 10° · 1.2 h
In December, Isle of Arran is cold: daytime highs average 8 °C, and nights cool down to about 3 °C. The sea averages 9.7 °C – swimming is only for the hardy. The sun is scarce, with only about 1.2 hours a day. It rains often – on about 21 days, adding up to 211 mm. It is often windy: on a typical day the wind peaks at around 40 km/h. All in all, December is not an ideal month for a holiday in Isle of Arran.
Isle of Arran in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Isle of Arran
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
CoolOctober: nights around 8°. A duvet at night and a jumper for the evening.
The coolest nights are in February (3°), the warmest in August (11°). Nights fall below 8 °C on average from November to May, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 0 | 7° | 3° | 8.3° | 1.4 h | 21 | 190 |
| FebruaryFeb | 0 | 7° | 3° | 7.5° | 2.4 h | 18 | 156 |
| MarchMar | 6 | 8° | 3° | 7.5° | 3.5 h | 16 | 120 |
| AprilApr | 25 | 9° | 5° | 8.6° | 5.4 h | 13 | 87 |
| MayMay | 42 | 12° | 7° | 10.5° | 6.7 h | 14 | 94 |
| JuneJun | 49 | 14° | 9° | 13.1° | 5.8 h | 15 | 104 |
| JulyJul | 53 | 16° | 11° | 14.8° | 5.5 h | 17 | 114 |
| AugustAug | 51 | 16° | 11° | 15.2° | 5.2 h | 18 | 144 |
| SeptemberSep | 42 | 15° | 10° | 14.1° | 4.0 h | 17 | 145 |
| OctoberOct | 22 | 12° | 8° | 12.7° | 2.7 h | 21 | 210 |
| NovemberNov | 8 | 10° | 5° | 11.1° | 1.8 h | 21 | 200 |
| DecemberDec | 0 | 8° | 3° | 9.7° | 1.2 h | 21 | 211 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
55.58° N, 5.21° W · 287 m · Europe/London
Sea temperature
Sea temperature in Isle of Arran
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 12.0 – 13.1 °C
Swimming season: Always below 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Isle of Arran ranges from 7.5 °C in February to 15.2 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
From October to February the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 14.5 and 16.0 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 8.3° | 7.5° | 9.0° | cold |
| FebruaryFeb | 7.5° | 7.0° | 8.2° | cold |
| MarchMar | 7.5° | 6.6° | 8.2° | cold |
| AprilApr | 8.6° | 7.6° | 9.4° | cold |
| MayMay | 10.5° | 9.4° | 11.2° | cold |
| JuneJun | 13.1° | 12.0° | 14.2° | cold |
| JulyJul | 14.8° | 13.9° | 15.8° | cold |
| AugustAug | 15.2° | 14.5° | 16.0° | cold |
| SeptemberSep | 14.1° | 13.5° | 14.8° | cold |
| OctoberOct | 12.7° | 12.0° | 13.1° | cold |
| NovemberNov | 11.1° | 10.6° | 11.7° | cold |
| DecemberDec | 9.7° | 9.1° | 10.2° | cold |
Sunshine
Sunshine hours in Isle of Arran
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 2.7 of 10.6 hours of daylight in Isle of Arran, 25 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Isle of Arran: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Isle of Arran has about 21 rainy days with 210 mm of rain in total.
UV index
UV index in Isle of Arran
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 1 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 7).
Minutes until sunburn in October
- Very fair skin
- about 95 min
- Fair skin
- over 2 h
- Light brown skin
- over 2 h
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind & clouds
Wind and clouds in Isle of Arran
How breezy and how cloudy Isle of Arran is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Isle of Arran typically peaks at 37 km/h during the day: Beaufort 5, fresh breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting, and here it is that strong all year.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 75 % of the sky over Isle of Arran: mostly cloudy, with about 2.7 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Planning a trip to Isle of Arran
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Isle of Arran in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Isle of Arran has its best school-holiday weather during the summer holidays (score 52) and its weakest during the Christmas holidays (score 0).
- 19
Easter holidays
Mar – Apr
Poor
- 9 °C by day
- Sea 8 °C
- 4.8 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
- 43
May half-term
May – Jun
Fair
- 12 °C by day
- Sea 11 °C
- 6.5 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
- 52
Summer holidays
Jul – Aug
FairBest holidays
- 16 °C by day
- Sea 15 °C
- 5.3 h of sun a day
- 18 rainy days a month
Keep in mind: Frequent rain
- 22
October half-term
Oct
Poor
- 12 °C by day
- Sea 13 °C
- 2.7 h of sun a day
- 21 rainy days a month
Keep in mind: Frequent rain
- 0
Christmas holidays
Dec – Jan
Poor
- 7 °C by day
- Sea 9 °C
- 1.3 h of sun a day
- 21 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 1 h 10 min
- Distance
- 550 km
- Time zone
- UTC+1
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: United Kingdom
- Currency
- British Pound (GBP)
- Language
- English
- Sockets
- Type G · 230 V
- Traffic
- Drives on the left
- Dialling code
- +44
- Emergency number
- 999 · 112
UK plugs fit
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Isle of Arran compared
Put Isle of Arran side by side with another destination.
Isle of Arran vs Isle of Bute
In October Isle of Bute has the better holiday weather (score 29 vs 22). During the day Isle of Bute is 1 °C warmer than Isle of Arran. The sea is about equally warm.
| in October | Isle of Arran | Isle of Bute |
|---|---|---|
| Holiday weather score | 22 | 29 |
| Daytime high | 12° | 13° |
| Sea | 13° | 13° |
| Sunshine | 3 h | 3 h |
| Rainy days | 21 | 19 |
| Best time | Jun – Aug | Jun – Jul |
Through the year
Best places in the country
United Kingdom in October: the best places
In October, Isle of Arran ranks 30 among the 31 nearest destinations in this country.
- Berwick-upon-Tweed14°12°41
- 2Bamburgh14°12°41
- 3St Andrews13°12°40
- 4Portadown14°37
- 5Kirkcaldy13°12°36
- 6Perth13°12°36
- 7Carlisle14°36
- 8Bangor14°14°35
- 30Isle of ArranThis page12°13°22
Places nearby
Near Isle of Arran
Other destinations close by.
Places with a similar climate
Places with a climate like Isle of Arran
Destinations whose weather through the year is closest to Isle of Arran's – good alternatives.
Frequently asked questions about Isle of Arran
When is the best time to visit Isle of Arran?
The best time to visit Isle of Arran is from June to August. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Isle of Arran?
The sea temperature in Isle of Arran ranges from 7.5 °C in February to 15.2 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Isle of Arran in October?
Only if you don't mind cold water: in October the sea averages just 12.7 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Isle of Arran?
August is the warmest month, with average highs of 16 °C and nights around 11 °C. February is the coolest month at 7 °C.
When does it rain most in Isle of Arran?
The wettest month is December with 211 mm of precipitation. The driest month is April with 87 mm.
How many hours of sunshine does Isle of Arran get?
Isle of Arran gets around 1,390 hours of sunshine a year. The sunniest month is May with 6.7 hours a day; in December there are 1.2 hours a day.
What time zone is Isle of Arran in?
Isle of Arran is on UTC+0 in January and UTC+1 in July.
How long is the flight from London to Isle of Arran?
A nonstop flight from London to Isle of Arran takes about 1 h 10 min, for a straight-line distance of about 550 km.
Which school holidays are best for Isle of Arran?
Isle of Arran has its best school-holiday weather during the summer holidays (score 52) and its weakest during the Christmas holidays (score 0). Holiday ratings (0–100): Easter holidays 19, May half-term 43, summer holidays 52, October half-term 22, Christmas holidays 0.