AI-generatedSlane at a glance
- Best time
- May – Sep
- Warmest month
- Jul · 20°
- Sunshine a year
- 1,330 h
- Rain a year
- 818 mm
- Climate
- Maritime
- Time zone
- UTC+0 / UTC+1
- Elevation
- 62 m
Climate in Slane
Slane 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 8 °C. With around 1,330 hours of sunshine a year, Slane is rather dull; May is the sunniest month with 5.9 hours a day.
Holiday weather through the year
Best time to visit Slane
The best time to visit Slane is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable in September. Rain is frequent from March to April and from October to January; the wettest month is October with 79 mm.
Slane through the seasons
How the weather changes over the seasons, with averages for each.
Slane in spring
Mar – May
Fair
- 11–16 °C by day
- 4.7 h of sun a day
- 39 rainy days in all
Slane in summer
Jun – Aug
Good
- 19–20 °C by day
- 4.9 h of sun a day
- 40 rainy days in all
Slane in autumn
Sep – Nov
Fair
- 10–17 °C by day
- 3.0 h of sun a day
- 38 rainy days in all
Slane in winter
Dec – Feb
Poor
- 8–9 °C by day
- 1.9 h of sun a day
- 36 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Sep
15–28 °C and not too much rain
Rainy months
Mar – 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 Slane 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
Fair
Best time to visit: May – September
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 7°
- Midday, 13:00: about 13°
- Afternoon, 16:00: about 14°
- Evening, 20:00: about 11°
- Night, 23:00: about 9°
07:5118:32
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 07:30–08:40 · evening 17:44–18:54
- Blue hour
- Morning 07:16–07:30 · evening 18:54–19:08
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 Slane compared with 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 12° at the end. The days get 2.0 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 16° | 12° |
| Night-time low | 8° | 6° |
| Daylight | 11.7 h | 9.6 h |
What is the weather like in Slane in October?
In October, Slane is cool: daytime highs average 14 °C, and nights cool down to about 7 °C. The sun is scarce, with only about 3.1 hours a day. Rain is frequent, with about 13 rainy days and 79 mm in total. All in all, October is a so-so month for a holiday in Slane.
More details for October
- Daylight
- 10 h 41 min07:51 – 18:32
- 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
- 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 %66 %
- Sunshineweight 20 %2 %
- Few rainy daysweight 30 %34 %
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 Slane
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
June has the better holiday weather in Slane: score 69 against 43. In June, days are 5 °C warmer than in October. The sun shines 2 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Holiday weather score | 43 | 69better |
| Daytime high | 14° | 19° |
| Night-time low | 7° | 9° |
| Sunshine | 3.1 h | 5.4 hbetter |
| Rainy days | 13 | 13 |
| Rainfall | 79 mm | 72 mm |
Based on the climate averages 1996–2025.
Slane month by month
The typical weather for every month at a glance.
14January8° · 1.7 h
In January, Slane is cold: daytime highs average 8 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 1.7 hours a day. Rain is frequent, with about 12 rainy days and 63 mm in total. All in all, January is not an ideal month for a holiday in Slane.
Slane in January19February9° · 2.6 h
In February, Slane is cold: daytime highs average 9 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 2.6 hours a day. Rain is frequent, with about 11 rainy days and 54 mm in total. All in all, February is not an ideal month for a holiday in Slane.
Slane in February27March11° · 3.3 h
In March, Slane is cool: daytime highs average 11 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 3.3 hours a day. Rain is frequent, with about 12 rainy days and 57 mm in total. All in all, March is not an ideal month for a holiday in Slane.
Slane in March45April13° · 5.0 h
In April, Slane is cool: daytime highs average 13 °C, and nights cool down to about 4 °C. Expect around 5.0 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 61 mm in total. All in all, April is a so-so month for a holiday in Slane.
Slane in April62May16° · 5.9 h
In May, Slane is cool: daytime highs average 16 °C, and nights cool down to about 7 °C. Expect around 5.9 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 65 mm in total. All in all, May is a good month for a holiday in Slane.
Slane in May69June19° · 5.4 h
In June, Slane is mild: daytime highs average 19 °C, and nights cool down to about 9 °C. Expect around 5.4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 72 mm in total. All in all, June is a good month for a holiday in Slane.
Slane in June63July20° · 4.6 h
In July, Slane is mild: daytime highs average 20 °C, and nights cool down to about 12 °C. Expect around 4.6 hours of sunshine a day. It rains often – on about 14 days, adding up to 73 mm. All in all, July is a good month for a holiday in Slane.
Slane in July67August20° · 4.7 h
In August, Slane is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. Expect around 4.7 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 77 mm in total. All in all, August is a good month for a holiday in Slane.
Slane in August67September17° · 3.9 h
In September, Slane is mild: daytime highs average 17 °C, and nights cool down to about 10 °C. The sun is scarce, with only about 3.9 hours a day. Rain is frequent, with about 12 rainy days and 66 mm in total. All in all, September is a good month for a holiday in Slane.
Slane in September43October14° · 3.1 h
In October, Slane is cool: daytime highs average 14 °C, and nights cool down to about 7 °C. The sun is scarce, with only about 3.1 hours a day. Rain is frequent, with about 13 rainy days and 79 mm in total. All in all, October is a so-so month for a holiday in Slane.
Slane in October24November10° · 2.1 h
In November, Slane is cool: daytime highs average 10 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 2.1 hours a day. Rain is frequent, with about 13 rainy days and 78 mm in total. All in all, November is not an ideal month for a holiday in Slane.
Slane in November15December8° · 1.5 h
In December, Slane is cold: daytime highs average 8 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 1.5 hours a day. Rain is frequent, with about 12 rainy days and 72 mm in total. All in all, December is not an ideal month for a holiday in Slane.
Slane 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 Slane
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°
ColdOctober: nights around 7°. The room should be heated.
The coolest nights are in February (2°), the warmest in July (12°). Nights fall below 8 °C on average from October 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 | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 14 | 8° | 2° | 1.7 h | 12 | 63 |
| FebruaryFeb | 19 | 9° | 2° | 2.6 h | 11 | 54 |
| MarchMar | 27 | 11° | 3° | 3.3 h | 12 | 57 |
| AprilApr | 45 | 13° | 4° | 5.0 h | 13 | 61 |
| MayMay | 62 | 16° | 7° | 5.9 h | 14 | 65 |
| JuneJun | 69 | 19° | 9° | 5.4 h | 13 | 72 |
| JulyJul | 63 | 20° | 12° | 4.6 h | 14 | 73 |
| AugustAug | 67 | 20° | 11° | 4.7 h | 13 | 77 |
| SeptemberSep | 67 | 17° | 10° | 3.9 h | 12 | 66 |
| OctoberOct | 43 | 14° | 7° | 3.1 h | 13 | 79 |
| NovemberNov | 24 | 10° | 4° | 2.1 h | 13 | 78 |
| DecemberDec | 15 | 8° | 3° | 1.5 h | 12 | 72 |
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
53.71° N, 6.54° W · 62 m · Europe/Dublin
Sunshine
Sunshine hours in Slane
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 3.1 of 10.7 hours of daylight in Slane, 29 % 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 Slane: 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, Slane has about 13 rainy days with 79 mm of rain in total.
UV index
UV index in Slane
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 85 min
- Fair skin
- about 105 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 Slane
How breezy and how cloudy Slane 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 Slane typically peaks at 22 km/h during the day: Beaufort 4, moderate breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 75 % of the sky over Slane: mostly cloudy, with about 3.1 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 Slane
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Slane 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.
Slane has its best school-holiday weather during the summer holidays (score 66) and its weakest during the Christmas holidays (score 15).
- 40
Easter holidays
Mar – Apr
Fair
- 12 °C by day
- 4.5 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 63
May half-term
May – Jun
Good
- 16 °C by day
- 5.8 h of sun a day
- 13 rainy days a month
- 66
Summer holidays
Jul – Aug
GoodBest holidays
- 20 °C by day
- 4.7 h of sun a day
- 13 rainy days a month
- 43
October half-term
Oct
Fair
- 14 °C by day
- 3.1 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 15
Christmas holidays
Dec – Jan
Poor
- 8 °C by day
- 1.6 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
- 480 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
Compare with another place
Slane compared
Put Slane side by side with another destination.
Slane vs Navan
In October the holiday weather in Slane and Navan is about equally good (score 43 vs 44). During the day it is about as warm in Navan as in Slane.
| in October | Slane | Navan |
|---|---|---|
| Holiday weather score | 43 | 44 |
| Daytime high | 14° | 14° |
| Sunshine | 3 h | 3 h |
| Rainy days | 13 | 13 |
| Best time | May – Sep | May – Sep |
Through the year
Best places in the country
Ireland in October: the best places
In October, Slane ranks 10 among the 31 nearest destinations in this country.
- Skerries14°14°48
- 2Arklow15°14°48
- 3Malahide14°14°47
- 4Maynooth14°46
- 5Wicklow14°14°46
- 6Trim14°44
- 7Dublin14°14°44
- 8Dún Laoghaire14°14°44
- 10SlaneThis page14°43
Places nearby
Near Slane
Other destinations close by.
Places with a similar climate
Places with a climate like Slane
Destinations whose weather through the year is closest to Slane's – good alternatives.
Frequently asked questions about Slane
When is the best time to visit Slane?
The best time to visit Slane is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Slane?
July is the warmest month, with average highs of 20 °C and nights around 12 °C. January is the coolest month at 8 °C.
When does it rain most in Slane?
Rain is frequent from March to April and from October to January; the wettest month is October with 79 mm. The driest month is February with 54 mm.
How many hours of sunshine does Slane get?
Slane gets around 1,330 hours of sunshine a year. The sunniest month is May with 5.9 hours a day; in December there are 1.5 hours a day.
What time zone is Slane in?
Slane is on UTC+0 in January and UTC+1 in July.
Which school holidays are best for Slane?
Slane has its best school-holiday weather during the summer holidays (score 66) and its weakest during the Christmas holidays (score 15). Holiday ratings (0–100): Easter holidays 40, May half-term 63, summer holidays 66, October half-term 43, Christmas holidays 15.