AI-generatedHowth at a glance
- Best time
- Apr – Jun, Aug – Sep
- Warmest month
- Jul · 18°
- Warmest sea
- Aug · 15.3°
- Sunshine a year
- 1,410 h
- Rain a year
- 873 mm
- Climate
- Maritime
- Time zone
- UTC+0 / UTC+1
- Elevation
- 171 m
Climate in Howth
Howth has a maritime climate with moderate summers and cool, often grey winters. July is the warmest month with average highs of 18 °C, while January is the coolest at 7 °C. With around 1,410 hours of sunshine a year, Howth is rather dull; May is the sunniest month with 6.1 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Poor
Best time to visit: April – June, August – September
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 11°
- Night, 23:00: about 10°
07:4918:31
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 07:27–08:37 · evening 17:43–18:52
- Blue hour
- Morning 07:14–07:27 · evening 18:52–19:06
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.
What is the weather like in Howth in October?
In October, Howth is cool: daytime highs average 13 °C, and nights cool down to about 8 °C. The sea averages 13.6 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 13 rainy days and 86 mm in total. All in all, October is not an ideal month for a holiday in Howth.
More details for October
- Daylight
- 10 h 42 min07:49 – 18:31
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 24 km/haverage daily peakAll months
- Cloud cover
- 74 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+1Europe/Dublin
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %7 %
- Few rainy daysweight 20 %34 %
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
Sea temperature in Howth
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 13.1 – 14.1 °C
Swimming season: Never above 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Howth ranges from 8.1 °C in March to 15.3 °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 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 14.8 and 16.0 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 9.2° | 8.1° | 9.9° | cold |
| FebruaryFeb | 8.2° | 7.4° | 8.9° | cold |
| MarchMar | 8.1° | 7.1° | 8.9° | cold |
| AprilApr | 9.0° | 8.1° | 9.9° | cold |
| MayMay | 10.9° | 10.2° | 11.9° | cold |
| JuneJun | 13.3° | 12.4° | 14.4° | cold |
| JulyJul | 14.8° | 13.9° | 16.0° | cold |
| AugustAug | 15.3° | 14.8° | 16.0° | cold |
| SeptemberSep | 14.7° | 14.0° | 15.4° | cold |
| OctoberOct | 13.6° | 13.1° | 14.1° | cold |
| NovemberNov | 12.3° | 11.7° | 12.8° | cold |
| DecemberDec | 10.6° | 9.9° | 11.3° | cold |
Sunshine hours in Howth
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 3.4 of 10.7 hours of daylight in Howth, 32 % of the day.
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.
UV index in Howth
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 it, 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.
Rain in Howth: 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, Howth has about 13 rainy days with 86 mm of rain in total.
Wind and clouds in Howth
How breezy and how cloudy Howth 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 Howth typically peaks at 24 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: Aug – Jun.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 74 % of the sky over Howth: mostly cloudy, with about 3.4 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.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Howth
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.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 7 | 7° | 3° | 9.2° | 1.8 h | 13 | 67 |
| FebruaryFeb | 8 | 7° | 3° | 8.2° | 2.7 h | 12 | 58 |
| MarchMar | 10 | 9° | 3° | 8.1° | 3.5 h | 12 | 60 |
| AprilApr | 14 | 11° | 5° | 9.0° | 5.2 h | 14 | 65 |
| MayMay | 16 | 14° | 8° | 10.9° | 6.1 h | 14 | 69 |
| JuneJun | 15 | 17° | 10° | 13.3° | 5.7 h | 14 | 75 |
| JulyJul | 10 | 18° | 12° | 14.8° | 4.9 h | 15 | 79 |
| AugustAug | 12 | 18° | 12° | 15.3° | 5.0 h | 14 | 80 |
| SeptemberSep | 12 | 16° | 10° | 14.7° | 4.2 h | 12 | 73 |
| OctoberOct | 8 | 13° | 8° | 13.6° | 3.4 h | 13 | 86 |
| NovemberNov | 7 | 9° | 5° | 12.3° | 2.3 h | 13 | 85 |
| DecemberDec | 7 | 7° | 3° | 10.6° | 1.6 h | 13 | 76 |
Climate averages 1996–2025, 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
53.39° N, 6.07° W · 171 m · Europe/Dublin
Best time to visit Howth
The best time to visit Howth is from April to June and from August to September. The sea stays too cool for a classic beach holiday: even in August it only reaches 15.3 °C. The wettest month is October with 86 mm of precipitation.
Howth through the seasons
How the weather changes over the seasons, with averages for each.
Howth in spring
Mar – May
Poor
- 9–14 °C by day
- Sea 9 °C
- 5 h of sun a day
- 40 rainy days in all
Howth in summer
Jun – Aug
Poor
- 17–18 °C by day
- Sea 15 °C
- 5 h of sun a day
- 43 rainy days in all
Howth in autumn
Sep – Nov
Poor
- 9–16 °C by day
- Sea 14 °C
- 3 h of sun a day
- 39 rainy days in all
Howth in winter
Dec – Feb
Poor
- 7 °C by day
- Sea 9 °C
- 2 h of sun a day
- 38 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Howth for you.
Your best months: April – June
Based on the climate averages; tap a month to see its details.
Compare two months in Howth
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
May has the better holiday weather in Howth: score 16 against 8. In May, days are 1 °C warmer than in October. The sea is 3 °C cooler in May. May has one more rainy day. The sun shines 3 hours longer a day in May.
| Month | October | May |
|---|---|---|
| Weather score | 8 | 16better |
| Day high | 13° | 14° |
| Night low | 8° | 8° |
| Sea | 13.6° | 10.9° |
| Sunshine | 3.4 h | 6.1 hbetter |
| Rainy days | 13better | 14 |
| Rainfall | 86 mm | 69 mmbetter |
Based on the climate averages 1996–2025.
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
12 or more rainy days
Howth month by month
The typical weather for every month at a glance.
7January7° · Sea 9° · 2 h
In January, Howth is cold: daytime highs average 7 °C, and nights cool down to about 3 °C. The sea averages 9.2 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 13 rainy days and 67 mm in total. All in all, January is not an ideal month for a holiday in Howth.
Howth in January8February7° · Sea 8° · 3 h
In February, Howth is cold: daytime highs average 7 °C, and nights cool down to about 3 °C. The sea averages 8.2 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 12 rainy days and 58 mm in total. All in all, February is not an ideal month for a holiday in Howth.
Howth in February10March9° · Sea 8° · 4 h
In March, Howth 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 4 hours a day. Rain is frequent, with about 12 rainy days and 60 mm in total. All in all, March is not an ideal month for a holiday in Howth.
Howth in March14April11° · Sea 9° · 5 h
In April, Howth is cool: daytime highs average 11 °C, and nights cool down to about 5 °C. The sea averages 9.0 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 65 mm in total. All in all, April is not an ideal month for a holiday in Howth.
Howth in April16May14° · Sea 11° · 6 h
In May, Howth is cool: daytime highs average 14 °C, and nights cool down to about 8 °C. The sea averages 10.9 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 69 mm in total. All in all, May is not an ideal month for a holiday in Howth.
Howth in May15June17° · Sea 13° · 6 h
In June, Howth is mild: daytime highs average 17 °C, and nights cool down to about 10 °C. The sea averages 13.3 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 75 mm in total. All in all, June is not an ideal month for a holiday in Howth.
Howth in June10July18° · Sea 15° · 5 h
In July, Howth is mild: daytime highs average 18 °C, and nights cool down to about 12 °C. The sea averages 14.8 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. It rains often – on about 15 days, adding up to 79 mm. All in all, July is not an ideal month for a holiday in Howth.
Howth in July12August18° · Sea 15° · 5 h
In August, Howth is mild: daytime highs average 18 °C, and nights cool down to about 12 °C. The sea averages 15.3 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. It rains often – on about 14 days, adding up to 80 mm. All in all, August is not an ideal month for a holiday in Howth.
Howth in August12September16° · Sea 15° · 4 h
In September, Howth is cool: daytime highs average 16 °C, and nights cool down to about 10 °C. The sea averages 14.7 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 73 mm in total. All in all, September is not an ideal month for a holiday in Howth.
Howth in September8October13° · Sea 14° · 3 h
In October, Howth is cool: daytime highs average 13 °C, and nights cool down to about 8 °C. The sea averages 13.6 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 13 rainy days and 86 mm in total. All in all, October is not an ideal month for a holiday in Howth.
Howth in October7November9° · Sea 12° · 2 h
In November, Howth is cold: daytime highs average 9 °C, and nights cool down to about 5 °C. The sea averages 12.3 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 13 rainy days and 85 mm in total. All in all, November is not an ideal month for a holiday in Howth.
Howth in November7December7° · Sea 11° · 2 h
In December, Howth is cold: daytime highs average 7 °C, and nights cool down to about 3 °C. The sea averages 10.6 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 13 rainy days and 76 mm in total. All in all, December is not an ideal month for a holiday in Howth.
Howth in DecemberHowth compared
Put Howth side by side with another destination.
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Howth vs. Dún Laoghaire
In October the holiday weather in Howth and Dún Laoghaire is about equally good (score 8 vs. 9). During the day Dún Laoghaire is 1 °C warmer than Howth. The sea is about equally warm.
| in October | Howth | Dún Laoghaire |
|---|---|---|
| Holiday score | 8 | 9 |
| Daytime high | 13° | 14° |
| Sea | 14° | 14° |
| Sunshine | 3 h | 3 h |
| Rainy days | 13 | 13 |
| Best time | Apr – Jun, Aug – Sep | Apr – Sep |
Through the year
Ireland in October: the best places
In October, Howth ranks 9 of 18 destinations in this country.
- Dublin14°14°40
- 2Kilkenny14°39
- 3Cork14°14°39
- 4Waterford14°37
- 5Killarney14°36
- 6Limerick14°34
- 7Dún Laoghaire14°14°9
- 8Bray14°14°9
- 9HowthThis page13°14°8
Planning a trip to Howth
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Howth 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.
Howth has its best school-holiday weather during May half-term (score 16) and its weakest during the Christmas holidays (score 7).
- 13
Easter holidays
Mar – Apr
Poor
- 10 °C by day
- Sea 9 °C
- 4.7 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 16
May half-term
May – Jun
PoorBest holidays
- 14 °C by day
- Sea 11 °C
- 6.0 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
- 11
Summer holidays
Jul – Aug
Poor
- 18 °C by day
- Sea 15 °C
- 5.0 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
- 8
October half-term
Oct
Poor
- 13 °C by day
- Sea 14 °C
- 3.4 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 7
Christmas holidays
Dec – Jan
Poor
- 7 °C by day
- Sea 10 °C
- 1.7 h of sun a day
- 13 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
- 440 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.
Frequently asked questions about Howth
When is the best time to visit Howth?
The best time to visit Howth is from April to June and from August to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Howth?
The sea temperature in Howth ranges from 8.1 °C in March to 15.3 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Howth in October?
Only if you don't mind cold water: in October the sea averages just 13.6 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Howth?
July is the warmest month, with average highs of 18 °C and nights around 12 °C. January is the coolest month at 7 °C.
When does it rain most in Howth?
The wettest month is October with 86 mm of precipitation. The driest month is February with 58 mm.
How many hours of sunshine does Howth get?
Howth gets around 1,410 hours of sunshine a year. The sunniest month is May with 6.1 hours a day; in December there are 1.6 hours a day.
What time zone is Howth in?
Howth uses the time zone Europe/Dublin: UTC+0 in January and UTC+1 in July.
Which school holidays are best for Howth?
Howth has its best school-holiday weather during May half-term (score 16) and its weakest during the Christmas holidays (score 7). Holiday ratings (0–100): Easter holidays 13, May half-term 16, Summer holidays 11, October half-term 8, Christmas holidays 7.
Near Howth
Other destinations close by.
Places with a climate like Howth
Destinations whose weather through the year is closest to Howth's – good alternatives.