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Ireland

Wicklow weather & best time to visit

Nature escape

Wicklow at a glance

Best time
May – Sep
Warmest month
Jul · 19°
Warmest sea
Sep · 15.4°
Sunshine a year
1,550 h
Rain a year
890 mm
Climate
Maritime
Time zone
UTC+0 / UTC+1
Elevation
53 m

Climate in Wicklow

Wicklow has a maritime climate with moderate summers and cool, often grey winters. July is the warmest month with average highs of 19 °C, while January is the coolest at 9 °C. With around 1,550 hours of sunshine a year, Wicklow is rather dull; May is the sunniest month with 6.6 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Wicklow

The best time to visit Wicklow is from May to September. The sea stays too cool for a classic beach holiday: even in September it only reaches 15.4 °C. For sightseeing, day trips and hiking, conditions are most comfortable in September. Rain is frequent in April and from October to January; the wettest month is October with 101 mm.

Wicklow through the seasons

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

Wicklow in spring

Mar – May

44

Fair

  • 10–15 °C by day
  • Sea 9 °C
  • 5.3 h of sun a day
  • 37 rainy days in all

Wicklow in summer

Jun – Aug

71

Good

  • 17–19 °C by day
  • Sea 14 °C
  • 5.9 h of sun a day
  • 39 rainy days in all

Wicklow in autumn

Sep – Nov

48

Fair

  • 11–17 °C by day
  • Sea 14 °C
  • 3.6 h of sun a day
  • 38 rainy days in all

Wicklow in winter

Dec – Feb

18

Poor

  • 9 °C by day
  • Sea 9 °C
  • 2.2 h of sun a day
  • 36 rainy days in all

Which month for what?

Beach & swimming

No month

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

Sep

15–28 °C and not too much rain

Rainy months

Apr, Oct – Jan

Rainy season or more than 12 rainy days

Find your perfect month

Tell us what you like and we rate every month in Wicklow for you.

Swimming in the sea
Sunshine
Little rain

Your best months: 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

46

Holiday weather in October

Fair

Best time to visit: May – September

Keep in mindFrequent rain

A typical day in October

  1. Morning, 08:00: about 9°
  2. Midday, 13:00: about 14°
  3. Afternoon, 16:00: about 14°
  4. Evening, 20:00: about 12°
  5. Night, 23:00: about 10°

07:4818:31

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 07:27–08:36 · evening 17:44–18:53
Blue hour
Morning 07:13–07:27 · evening 18:53–19:06

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 Wicklow 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 Wicklow in October?

In October, Wicklow is cool: daytime highs average 14 °C, and nights cool down to about 8 °C. The sea averages 14.3 °C – swimming is only for the hardy. The sun is scarce, with only about 3.6 hours a day. Rain is frequent, with about 14 rainy days and 101 mm in total. All in all, October is a so-so month for a holiday in Wicklow.

More details for October

Daylight
10 h 43 min07:48 – 18:31
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
25 km/haverage daily peakAll months
Cloud cover
73 %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 %68 %
  • Sunshineweight 20 %10 %
  • Few rainy daysweight 30 %32 %

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

Compare two months in Wicklow

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

vs

June has the better holiday weather in Wicklow: score 73 against 46. In June, days are 3 °C warmer than in October. The sea is 2 °C cooler in June. June has 2 fewer rainy days. The sun shines 3 hours longer a day in June.

October vs June, Wicklow
MonthOctoberJune
Holiday weather score4673better
Daytime high14°17°
Night-time low8°10°
Sea14.3°12.7°
Sunshine3.6 h6.3 hbetter
Rainy days1412better
Rainfall101 mm68 mmbetter

Based on the climate averages 1996–2025.

Wicklow month by month

The typical weather for every month at a glance.

16January9° · Sea 9° · 1.9 h

In January, Wicklow is cold: daytime highs average 9 °C, and nights cool down to about 4 °C. The sea averages 9.0 °C – swimming is only for the hardy. The sun is scarce, with only about 1.9 hours a day. Rain is frequent, with about 12 rainy days and 74 mm in total. All in all, January is not an ideal month for a holiday in Wicklow.

Wicklow in January
19February9° · Sea 8° · 2.9 h

In February, Wicklow is cold: daytime highs average 9 °C, and nights cool down to about 3 °C. The sea averages 8.1 °C – swimming is only for the hardy. The sun is scarce, with only about 2.9 hours a day. Rain is frequent, with about 11 rainy days and 61 mm in total. All in all, February is not an ideal month for a holiday in Wicklow.

Wicklow in February
29March10° · Sea 8° · 3.8 h

In March, Wicklow is cool: daytime highs average 10 °C, and nights cool down to about 4 °C. The sea averages 8.1 °C – swimming is only for the hardy. The sun is scarce, with only about 3.8 hours a day. Rain is frequent, with about 11 rainy days and 61 mm in total. All in all, March is not an ideal month for a holiday in Wicklow.

Wicklow in March
43April12° · Sea 9° · 5.6 h

In April, Wicklow is cool: daytime highs average 12 °C, and nights cool down to about 5 °C. The sea averages 9.1 °C – swimming is only for the hardy. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 65 mm in total. All in all, April is a so-so month for a holiday in Wicklow.

Wicklow in April
60May15° · Sea 11° · 6.6 h

In May, Wicklow is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sea averages 10.7 °C – swimming is only for the hardy. The sun shines for around 6.6 hours a day. Rain is frequent, with about 13 rainy days and 65 mm in total. All in all, May is a good month for a holiday in Wicklow.

Wicklow in May
73June17° · Sea 13° · 6.3 h

In June, Wicklow is mild: daytime highs average 17 °C, and nights cool down to about 10 °C. The sea averages 12.7 °C – swimming is only for the hardy. Expect around 6.3 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 68 mm in total. All in all, June is a good month for a holiday in Wicklow.

Wicklow in June
69July19° · Sea 14° · 5.7 h

In July, Wicklow is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 14.2 °C – swimming is only for the hardy. Expect around 5.7 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 71 mm in total. All in all, July is a good month for a holiday in Wicklow.

Wicklow in July
70August19° · Sea 15° · 5.7 h

In August, Wicklow is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 15.3 °C – swimming is only for the hardy. Expect around 5.7 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 76 mm in total. All in all, August is a good month for a holiday in Wicklow.

Wicklow in August
70September17° · Sea 15° · 4.7 h

In September, Wicklow is mild: daytime highs average 17 °C, and nights cool down to about 11 °C. The sea averages 15.4 °C – swimming is only for the hardy. Expect around 4.7 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 72 mm in total. All in all, September is a good month for a holiday in Wicklow.

Wicklow in September
46October14° · Sea 14° · 3.6 h

In October, Wicklow is cool: daytime highs average 14 °C, and nights cool down to about 8 °C. The sea averages 14.3 °C – swimming is only for the hardy. The sun is scarce, with only about 3.6 hours a day. Rain is frequent, with about 14 rainy days and 101 mm in total. All in all, October is a so-so month for a holiday in Wicklow.

Wicklow in October
28November11° · Sea 12° · 2.5 h

In November, Wicklow is cool: daytime highs average 11 °C, and nights cool down to about 6 °C. The sea averages 12.4 °C – swimming is only for the hardy. The sun is scarce, with only about 2.5 hours a day. Rain is frequent, with about 13 rainy days and 93 mm in total. All in all, November is not an ideal month for a holiday in Wicklow.

Wicklow in November
18December9° · Sea 11° · 1.7 h

In December, Wicklow is cold: daytime highs average 9 °C, and nights cool down to about 4 °C. The sea averages 10.5 °C – swimming is only for the hardy. The sun is scarce, with only about 1.7 hours a day. Rain is frequent, with about 12 rainy days and 84 mm in total. All in all, December is not an ideal month for a holiday in Wicklow.

Wicklow in December

Climate in detail

Climate through the year

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

Best time to visit

Nights and sleep in Wicklow

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 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
JanuaryJan169°4°9.0°1.9 h1274
FebruaryFeb199°3°8.1°2.9 h1161
MarchMar2910°4°8.1°3.8 h1161
AprilApr4312°5°9.1°5.6 h1365
MayMay6015°8°10.7°6.6 h1365
JuneJun7317°10°12.7°6.3 h1268
JulyJul6919°12°14.2°5.7 h1471
AugustAug7019°12°15.3°5.7 h1376
SeptemberSep7017°11°15.4°4.7 h1172
OctoberOct4614°8°14.3°3.6 h14101
NovemberNov2811°6°12.4°2.5 h1393
DecemberDec189°4°10.5°1.7 h1284

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

52.98° N, 6.05° W · 53 m · Europe/Dublin

Swimming calendar

Sea temperature in Wicklow

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

Sea in October14.3°Ccold

8 in 10 years: 13.8 – 14.9 °C

Swimming season: Always below 20 °C

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 14.3°8 in 10 years 13.8° – 14.9°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Wicklow ranges from 8.1 °C in February to 15.4 °C in September. 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 September, while the air already peaks in July. From October to January the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in September, eight out of ten years were between 14.9 and 16.0 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan9.0°8.1°9.8°cold
FebruaryFeb8.1°7.5°8.7°cold
MarchMar8.1°7.3°8.8°cold
AprilApr9.1°8.3°9.9°cold
MayMay10.7°10.0°12.0°cold
JuneJun12.7°12.0°13.7°cold
JulyJul14.2°13.5°15.2°cold
AugustAug15.3°14.7°16.0°cold
SeptemberSep15.4°14.9°16.0°cold
OctoberOct14.3°13.8°14.9°cold
NovemberNov12.4°11.9°12.9°cold
DecemberDec10.5°9.8°11.2°cold
Sunshine

Sunshine hours in Wicklow

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

Per year
1,550 hours
Sunniest month
May · 6.6 h a day
Least sunshine
Dec · 1.7 h a day
OctoberSunshine 3.6 hDaylight 10.7 hShare of daylight 34 %
SunshineDaylight

In October, the sun shines for about 3.6 of 10.7 hours of daylight in Wicklow, 34 % 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 Wicklow: 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
890 mm on 150 days
Wettest month
Oct · 101 mm
Driest month
Feb · 61 mm
OctoberRainy days 14Rainfall 101 mm

In October, Wicklow has about 14 rainy days with 101 mm of rain in total.

Sun protection

UV index in Wicklow

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 95 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 and clouds in Wicklow

How breezy and how cloudy Wicklow 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
23 km/h · moderate breeze
Windiest month
Feb · 26 km/h
Calmest month
Jul · 19 km/h
OctoberWind 25 km/hBeaufort 4
20
WindBeaufort 4

In October, the wind in Wicklow typically peaks at 25 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
72 % · mostly cloudy
Clearest month
Apr · 68 %
Cloudiest month
Jul · 74 %
OctoberCloud cover 73 %Sunshine 3.6 h

In October, cloud covers on average 73 % of the sky over Wicklow: mostly cloudy, with about 3.6 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 Wicklow

Weather for your travel dates

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

Wicklow 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.

Wicklow has its best school-holiday weather during the summer holidays (score 70) and its weakest during the Christmas holidays (score 17).

  • Easter holidays

    Mar – Apr

    39

    Poor

    • 12 °C by day
    • Sea 9 °C
    • 5.1 h of sun a day
    • 12 rainy days a month

    Keep in mind: Frequent rain

  • May half-term

    May – Jun

    63

    Good

    • 15 °C by day
    • Sea 11 °C
    • 6.5 h of sun a day
    • 13 rainy days a month
  • Summer holidays

    Jul – Aug

    70

    GoodBest holidays

    • 19 °C by day
    • Sea 15 °C
    • 5.7 h of sun a day
    • 13 rainy days a month
  • October half-term

    Oct

    46

    Fair

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

    Keep in mind: Frequent rain

  • Christmas holidays

    Dec – Jan

    17

    Poor

    • 9 °C by day
    • Sea 10 °C
    • 1.8 h of sun a day
    • 12 rainy days a month

    Keep in mind: Frequent rain

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
Short trip – train or car is often quicker
Distance
420 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.

Compare & alternatives

Compare

Wicklow compared

Put Wicklow side by side with another destination.

Nearby:
Compare with home:

Wicklow vs Arklow

In October the holiday weather in Wicklow and Arklow is about equally good (score 46 vs 49). During the day Arklow is 1 °C warmer than Wicklow. The sea is about equally warm.

Wicklow vs Arklow, in October
in OctoberWicklowArklow
Holiday weather score4649
Daytime high14°15°
Sea14°14°
Sunshine4 h4 h
Rainy days1414
Best timeMay – SepMay – Sep

Through the year

OctoberWicklow 14°Arklow 15°
WicklowArklow
Go to Arklow
Ranking

Ireland in October: the best places

In October, Wicklow ranks 6 among the 31 nearest destinations in this country.

  1. Arklow15°14°49
  2. 2Enniscorthy14°48
  3. 3Skerries14°14°48
  4. 4Malahide14°14°47
  5. 5Clonmel15°47
  6. 6WicklowThis page14°14°46
  7. 7Maynooth14°46
  8. 8New Ross14°45
All destinations: Ireland

Near Wicklow

Other destinations close by.

Places with a climate like Wicklow

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

  1. 85 % similar35BangorUnited Kingdom14°14°Best time: Jun – Aug
  2. 84 % similar41BamburghUnited Kingdom14°12°Best time: Jun – Sep
  3. 84 % similar5YoughalIreland14°14°Best time: Apr – Jul
  4. 84 % similar6KinsaleIreland14°14°Best time: Apr – Jul

Frequently asked questions about Wicklow

When is the best time to visit Wicklow?

The best time to visit Wicklow is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Wicklow?

The sea temperature in Wicklow ranges from 8.1 °C in February to 15.4 °C in September. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.

Can you swim in Wicklow in October?

Only if you don't mind cold water: in October the sea averages just 14.3 °C. Comfortable swimming temperatures are not reached at any time of year.

What is the warmest month in Wicklow?

July is the warmest month, with average highs of 19 °C and nights around 12 °C. January is the coolest month at 9 °C.

When does it rain most in Wicklow?

Rain is frequent in April and from October to January; the wettest month is October with 101 mm. The driest month is February with 61 mm.

How many hours of sunshine does Wicklow get?

Wicklow gets around 1,550 hours of sunshine a year. The sunniest month is May with 6.6 hours a day; in December there are 1.7 hours a day.

What time zone is Wicklow in?

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

Which school holidays are best for Wicklow?

Wicklow has its best school-holiday weather during the summer holidays (score 70) and its weakest during the Christmas holidays (score 17). Holiday ratings (0–100): Easter holidays 39, May half-term 63, summer holidays 70, October half-term 46, Christmas holidays 17.