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Oranmore weather & best time to visit

Sun, sea & sand

Oranmore at a glance

Best time
Apr – Jul
Warmest month
Jul · 20°
Warmest sea
Aug · 16.2°
Sunshine a year
1,300 h
Rain a year
1,069 mm
Climate
Maritime
Time zone
UTC+0 / UTC+1
Elevation
5 m

Climate in Oranmore

Oranmore has a maritime climate with moderate summers and cool, often grey winters. July is the warmest month with average highs of 20 °C, while January is the coolest at 9 °C. With around 1,300 hours of sunshine a year, Oranmore is rather dull; May is the sunniest month with 5.8 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Oranmore

The best time to visit Oranmore is from April to July. The sea stays too cool for a classic beach holiday: even in August it only reaches 16.2 °C. The wettest month is December with 106 mm of precipitation.

Oranmore through the seasons

How the weather changes over the seasons, with averages for each.

Oranmore in spring

Mar – May

13

Poor

  • 11–16 °C by day
  • Sea 10 °C
  • 4.8 h of sun a day
  • 40 rainy days in all

Oranmore in summer

Jun – Aug

13

Poor

  • 19–20 °C by day
  • Sea 15 °C
  • 4.7 h of sun a day
  • 43 rainy days in all

Oranmore in autumn

Sep – Nov

7

Poor

  • 11–18 °C by day
  • Sea 14 °C
  • 2.9 h of sun a day
  • 42 rainy days in all

Oranmore in winter

Dec – Feb

5

Poor

  • 9–10 °C by day
  • Sea 9 °C
  • 1.8 h of sun a day
  • 43 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 Oranmore for you.

Swimming in the sea
Sunshine
Little rain

Your best months: May, July – August

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

4

Holiday weather in October

Poor

Best time to visit: April – July

Keep in mindFrequent rain

A typical day in October

  1. Morning, 08:00: about 8°
  2. Midday, 13:00: about 13°
  3. Afternoon, 16:00: about 14°
  4. Evening, 20:00: about 12°
  5. Night, 23:00: about 10°

08:0018:42

Cool evenings: pack a jumper or a jacket.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 07:39–08:48 · evening 17:54–19:04
Blue hour
Morning 07:25–07:39 · evening 19:04–19:17

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 Oranmore compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs fall from about 16° at the start of the month to 13° at the end. The sea cools from 15° to 13°. The days get 2.0 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high16°13°
Night-time low9°7°
Sea15°13°
Daylight11.7 h9.7 h

What is the weather like in Oranmore in October?

In October, Oranmore is cool: daytime highs average 14 °C, and nights cool down to about 8 °C. The sea averages 13.9 °C – swimming is only for the hardy. The sun is scarce, with only about 3.0 hours a day. It rains often – on about 15 days, adding up to 105 mm. All in all, October is not an ideal month for a holiday in Oranmore.

More details for October

Daylight
10 h 42 min08:00 – 18:42
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
22 km/haverage daily peakAll months
Cloud cover
77 %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 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %0 %
  • Few rainy daysweight 20 %20 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • A jumper for the evenings
  • Rain jacket or umbrella

Compare two months in Oranmore

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

May has the better holiday weather in Oranmore: score 15 against 4. In May, days are 2 °C warmer than in October. The sea is 2 °C cooler in May. May has one rainy day fewer. The sun shines 3 hours longer a day in May.

October vs May, Oranmore
MonthOctoberMay
Holiday weather score415better
Daytime high14°16°
Night-time low8°8°
Sea13.9°12.0°
Sunshine3.0 h5.8 hbetter
Rainy days1514better
Rainfall105 mm81 mmbetter

Based on the climate averages 1996–2025.

Oranmore month by month

The typical weather for every month at a glance.

5January9° · Sea 9° · 1.6 h

In January, Oranmore is cold: daytime highs average 9 °C, and nights cool down to about 3 °C. The sea averages 9.1 °C – swimming is only for the hardy. The sun is scarce, with only about 1.6 hours a day. It rains often – on about 15 days, adding up to 94 mm. All in all, January is not an ideal month for a holiday in Oranmore.

Oranmore in January
7February10° · Sea 9° · 2.4 h

In February, Oranmore is cold: daytime highs average 10 °C, and nights cool down to about 3 °C. The sea averages 8.6 °C – swimming is only for the hardy. The sun is scarce, with only about 2.4 hours a day. Rain is frequent, with about 13 rainy days and 87 mm in total. All in all, February is not an ideal month for a holiday in Oranmore.

Oranmore in February
9March11° · Sea 9° · 3.4 h

In March, Oranmore is cool: daytime highs average 11 °C, and nights cool down to about 4 °C. The sea averages 8.8 °C – swimming is only for the hardy. The sun is scarce, with only about 3.4 hours a day. Rain is frequent, with about 13 rainy days and 79 mm in total. All in all, March is not an ideal month for a holiday in Oranmore.

Oranmore in March
14April14° · Sea 10° · 5.2 h

In April, Oranmore is cool: daytime highs average 14 °C, and nights cool down to about 6 °C. The sea averages 10.0 °C – swimming is only for the hardy. Expect around 5.2 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 72 mm in total. All in all, April is not an ideal month for a holiday in Oranmore – and yet one of the best months here.

Oranmore in April
15May16° · Sea 12° · 5.8 h

In May, Oranmore is mild: daytime highs average 16 °C, and nights cool down to about 8 °C. The sea averages 12.0 °C – swimming is only for the hardy. Expect around 5.8 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 81 mm in total. All in all, May is not an ideal month for a holiday in Oranmore – and yet one of the best months here.

Oranmore in May
14June19° · Sea 14° · 5.3 h

In June, Oranmore is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. The sea averages 14.2 °C – swimming is only for the hardy. Expect around 5.3 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 82 mm in total. All in all, June is not an ideal month for a holiday in Oranmore – and yet one of the best months here.

Oranmore in June
13July20° · Sea 16° · 4.2 h

In July, Oranmore is mild: daytime highs average 20 °C, and nights cool down to about 12 °C. The sea averages 15.7 °C – swimming is only for the hardy. Expect around 4.2 hours of sunshine a day. It rains often – on about 15 days, adding up to 86 mm. All in all, July is not an ideal month for a holiday in Oranmore – and yet one of the best months here.

Oranmore in July
11August19° · Sea 16° · 4.5 h

In August, Oranmore is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 16.2 °C – swimming is only for the hardy. Expect around 4.5 hours of sunshine a day. It rains often – on about 15 days, adding up to 94 mm. All in all, August is not an ideal month for a holiday in Oranmore.

Oranmore in August
11September18° · Sea 15° · 3.8 h

In September, Oranmore is mild: daytime highs average 18 °C, and nights cool down to about 10 °C. The sea averages 15.4 °C – swimming is only for the hardy. The sun is scarce, with only about 3.8 hours a day. Rain is frequent, with about 12 rainy days and 80 mm in total. All in all, September is not an ideal month for a holiday in Oranmore.

Oranmore in September
4October14° · Sea 14° · 3.0 h

In October, Oranmore is cool: daytime highs average 14 °C, and nights cool down to about 8 °C. The sea averages 13.9 °C – swimming is only for the hardy. The sun is scarce, with only about 3.0 hours a day. It rains often – on about 15 days, adding up to 105 mm. All in all, October is not an ideal month for a holiday in Oranmore.

Oranmore in October
5November11° · Sea 12° · 2.0 h

In November, Oranmore is cool: daytime highs average 11 °C, and nights cool down to about 5 °C. The sea averages 12.0 °C – swimming is only for the hardy. The sun is scarce, with only about 2.0 hours a day. It rains often – on about 14 days, adding up to 105 mm. All in all, November is not an ideal month for a holiday in Oranmore.

Oranmore in November
4December9° · Sea 10° · 1.4 h

In December, Oranmore is cold: daytime highs average 9 °C, and nights cool down to about 4 °C. The sea averages 10.3 °C – swimming is only for the hardy. The sun is scarce, with only about 1.4 hours a day. It rains often – on about 15 days, adding up to 106 mm. All in all, December is not an ideal month for a holiday in Oranmore.

Oranmore in December

Climate in detail

Year & climate table

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Oranmore

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 January (3°), the warmest in July (12°). Nights fall below 8 °C on average from November to April, so the room should be heated.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 14°Night 8°Sea 14°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan59°3°9.1°1.6 h1594
FebruaryFeb710°3°8.6°2.4 h1387
MarchMar911°4°8.8°3.4 h1379
AprilApr1414°6°10.0°5.2 h1372
MayMay1516°8°12.0°5.8 h1481
JuneJun1419°11°14.2°5.3 h1382
JulyJul1320°12°15.7°4.2 h1586
AugustAug1119°12°16.2°4.5 h1594
SeptemberSep1118°10°15.4°3.8 h1280
OctoberOct414°8°13.9°3.0 h15105
NovemberNov511°5°12.0°2.0 h14105
DecemberDec49°4°10.3°1.4 h15106

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

53.27° N, 8.92° W · 5 m · Europe/Dublin

Sea temperature
Swimming calendar

Sea temperature in Oranmore

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October13.9°Ccold

8 in 10 years: 13.3 – 14.4 °C

Swimming season: Always below 20 °C

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 13.9°8 in 10 years 13.3° – 14.4°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Oranmore ranges from 8.6 °C in February to 16.2 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.

The sea warms up slowly: it is warmest in August, while the air already peaks in July. From November to January 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 15.7 and 16.9 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan9.1°8.6°9.7°cold
FebruaryFeb8.6°8.0°9.0°cold
MarchMar8.8°7.9°9.3°cold
AprilApr10.0°9.2°10.8°cold
MayMay12.0°11.1°13.1°cold
JuneJun14.2°13.3°15.1°cold
JulyJul15.7°14.9°16.8°cold
AugustAug16.2°15.7°16.9°cold
SeptemberSep15.4°14.8°16.0°cold
OctoberOct13.9°13.3°14.4°cold
NovemberNov12.0°11.3°12.6°cold
DecemberDec10.3°9.6°10.9°cold
Sunshine
Sunshine

Sunshine hours in Oranmore

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
1,300 hours
Sunniest month
May · 5.8 h a day
Least sunshine
Dec · 1.4 h a day
OctoberSunshine 3.0 hDaylight 10.7 hShare of daylight 28 %
SunshineDaylight

In October, the sun shines for about 3.0 of 10.7 hours of daylight in Oranmore, 28 % 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

Rain in Oranmore: 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.

Per year
1,069 mm on 168 days
Wettest month
Dec · 106 mm
Driest month
Apr · 72 mm
OctoberRainy days 15Rainfall 105 mm

In October, Oranmore has about 15 rainy days with 105 mm of rain in total.

UV index
Sun protection

UV index in Oranmore

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
2 · lowLittle protection needed; sunglasses on bright days.

The sun is strongest in June (UV 7).

Minutes until sunburn in October

Very fair skin
about 80 min
Fair skin
about 100 min
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 & clouds

Wind and clouds in Oranmore

How breezy and how cloudy Oranmore 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.

Year average
22 km/h · moderate breeze
Windiest month
Feb · 25 km/h
Calmest month
Jul · 19 km/h
OctoberWind 22 km/hBeaufort 4
20
WindBeaufort 4

In October, the wind in Oranmore typically peaks at 22 km/h during the day: Beaufort 4, moderate 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: all year except Jul.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
76 % · mostly cloudy
Clearest month
Apr · 71 %
Cloudiest month
Jul · 80 %
OctoberCloud cover 77 %Sunshine 3.0 h

In October, cloud covers on average 77 % of the sky over Oranmore: mostly cloudy, with about 3.0 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 Oranmore

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Oranmore 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.

Oranmore has its best school-holiday weather during May half-term (score 15) and its weakest during October half-term (score 4).

  • Easter holidays

    Mar – Apr

    12

    Poor

    • 13 °C by day
    • Sea 10 °C
    • 4.7 h of sun a day
    • 13 rainy days a month

    Keep in mind: Frequent rain

  • May half-term

    May – Jun

    15

    PoorBest holidays

    • 17 °C by day
    • Sea 12 °C
    • 5.7 h of sun a day
    • 14 rainy days a month

    Keep in mind: Frequent rain

  • Summer holidays

    Jul – Aug

    12

    Poor

    • 19 °C by day
    • Sea 16 °C
    • 4.4 h of sun a day
    • 15 rainy days a month

    Keep in mind: Frequent rain

  • October half-term

    Oct

    4

    Poor

    • 14 °C by day
    • Sea 14 °C
    • 3.0 h of sun a day
    • 15 rainy days a month

    Keep in mind: Frequent rain

  • Christmas holidays

    Dec – Jan

    5

    Poor

    • 9 °C by day
    • Sea 10 °C
    • 1.5 h of sun a day
    • 15 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 15 min
Distance
610 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: Ireland

Currency
Euro (EUR)
Languages
English, Irish
Sockets
Type G · 230 V
Traffic
Drives on the left
Dialling code
+353
Emergency number
112

UK plugs fit

Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.

Compare & alternatives

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Oranmore compared

Put Oranmore side by side with another destination.

Nearby:
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Oranmore vs Galway

In October the holiday weather in Oranmore and Galway is about equally good (score 4 vs 4). During the day it is about as warm in Galway as in Oranmore. The sea is about equally warm.

Oranmore vs Galway, in October
in OctoberOranmoreGalway
Holiday weather score44
Daytime high14°14°
Sea14°14°
Sunshine3 h3 h
Rainy days1515
Best timeApr – JulApr – Jun

Through the year

OctoberOranmore 14°Galway 14°
OranmoreGalway
Go to Galway
Best places in the country
Ranking

Ireland in October: the best places

In October, Oranmore ranks 28 among the 31 nearest destinations in this country.

  1. Birr14°42
  2. 2Tullamore14°42
  3. 3Adare14°41
  4. 4Thurles14°41
  5. 5Cashel14°41
  6. 6Athenry14°40
  7. 7Killaloe14°40
  8. 8Nenagh14°40
  9. 28OranmoreThis page14°14°4
All destinations: Ireland
Places nearby

Near Oranmore

Other destinations close by.

Places with a similar climate

Places with a climate like Oranmore

Destinations whose weather through the year is closest to Oranmore's – good alternatives.

  1. 88 % similar4SkibbereenIreland15°14°Best time: Jul
  2. 87 % similar5YoughalIreland14°14°Best time: Apr – Jul
  3. 87 % similar44DungarvanIreland15°14°Best time: May – Sep
  4. 86 % similar5ClonakiltyIreland14°14°Best time: May – Jul

Frequently asked questions about Oranmore

When is the best time to visit Oranmore?

The best time to visit Oranmore is from April to July. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Oranmore?

The sea temperature in Oranmore ranges from 8.6 °C in February to 16.2 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.

Can you swim in Oranmore in October?

Only if you don't mind cold water: in October the sea averages just 13.9 °C. Comfortable swimming temperatures are not reached at any time of year.

What is the warmest month in Oranmore?

July is the warmest month, with average highs of 20 °C and nights around 12 °C. January is the coolest month at 9 °C.

When does it rain most in Oranmore?

The wettest month is December with 106 mm of precipitation. The driest month is April with 72 mm.

How many hours of sunshine does Oranmore get?

Oranmore gets around 1,300 hours of sunshine a year. The sunniest month is May with 5.8 hours a day; in December there are 1.4 hours a day.

What time zone is Oranmore in?

Oranmore is on UTC+0 in January and UTC+1 in July.

How long is the flight from London to Oranmore?

A nonstop flight from London to Oranmore takes about 1 h 15 min, for a straight-line distance of about 610 km.

Which school holidays are best for Oranmore?

Oranmore has its best school-holiday weather during May half-term (score 15) and its weakest during October half-term (score 4). Holiday ratings (0–100): Easter holidays 12, May half-term 15, summer holidays 12, October half-term 4, Christmas holidays 5.