AI-generatedLlanfairpwllgwyngyll at a glance
- Best time
- Apr – Aug
- Warmest month
- Jul · 18°
- Warmest sea
- Aug · 15.8°
- Sunshine a year
- 1,680 h
- Rain a year
- 967 mm
- Climate
- Maritime
- Time zone
- UTC+0 / UTC+1
- Elevation
- 42 m
Climate in Llanfairpwllgwyngyll
Llanfairpwllgwyngyll 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 8 °C. With around 1,680 hours of sunshine a year, Llanfairpwllgwyngyll is moderately sunny; May is the sunniest month with 7.5 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Poor
Best time to visit: April – August
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 10°
- Midday, 13:00: about 13°
- Afternoon, 16:00: about 13°
- Evening, 20:00: about 12°
- Night, 23:00: about 11°
07:4118:24
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 07:20–08:29 · evening 17:36–18:45
- Blue hour
- Morning 07:06–07:20 · evening 18:45–18:59
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 Llanfairpwllgwyngyll in October?
In October, Llanfairpwllgwyngyll is cool: daytime highs average 14 °C, and nights cool down to about 10 °C. The sea averages 14.2 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. It rains often – on about 16 days, adding up to 106 mm. It is often windy, with gusts of around 29 km/h. All in all, October is not an ideal month for a holiday in Llanfairpwllgwyngyll.
More details for October
- Daylight
- 10 h 42 min07:41 – 18:24
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 29 km/haverage daily peakAll months
- Cloud cover
- 73 %on averageAll months
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+1Europe/London
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %8 %
- Few rainy daysweight 20 %18 %
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
- Windproof jacket
Sea temperature in Llanfairpwllgwyngyll
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 13.5 – 14.9 °C
Swimming season: Never above 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Llanfairpwllgwyngyll ranges from 7.5 °C in March to 15.8 °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 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 15.3 and 16.3 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 8.3° | 7.5° | 9.3° | cold |
| FebruaryFeb | 7.6° | 6.6° | 8.4° | cold |
| MarchMar | 7.5° | 6.5° | 8.5° | cold |
| AprilApr | 8.6° | 7.9° | 9.5° | cold |
| MayMay | 10.5° | 9.9° | 11.6° | cold |
| JuneJun | 12.7° | 12.0° | 13.4° | cold |
| JulyJul | 14.7° | 14.1° | 15.4° | cold |
| AugustAug | 15.8° | 15.3° | 16.3° | cold |
| SeptemberSep | 15.6° | 15.0° | 16.5° | cold |
| OctoberOct | 14.2° | 13.5° | 14.9° | cold |
| NovemberNov | 12.1° | 11.3° | 12.8° | cold |
| DecemberDec | 9.9° | 9.1° | 10.6° | cold |
Sunshine hours in Llanfairpwllgwyngyll
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 3.5 of 10.7 hours of daylight in Llanfairpwllgwyngyll, 33 % of the day.
Sunshine hours: measured at the weather station 22 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Llanfairpwllgwyngyll
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 Llanfairpwllgwyngyll: 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, Llanfairpwllgwyngyll has about 16 rainy days with 106 mm of rain in total.
Wind and clouds in Llanfairpwllgwyngyll
How breezy and how cloudy Llanfairpwllgwyngyll 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 Llanfairpwllgwyngyll typically peaks at 29 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 gets there all year.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 73 % of the sky over Llanfairpwllgwyngyll: mostly cloudy, with about 3.5 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 Llanfairpwllgwyngyll
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 10°. A duvet at night and a jumper for the evening.
The coolest nights are in February (4°), the warmest in August (13°). 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 | 4 | 8° | 4° | 8.3° | 2.0 h | 15 | 88 |
| FebruaryFeb | 7 | 8° | 4° | 7.6° | 3.0 h | 13 | 74 |
| MarchMar | 10 | 9° | 4° | 7.5° | 4.2 h | 14 | 69 |
| AprilApr | 17 | 12° | 6° | 8.6° | 6.1 h | 13 | 63 |
| MayMay | 22 | 14° | 8° | 10.5° | 7.5 h | 13 | 64 |
| JuneJun | 22 | 17° | 11° | 12.7° | 7.3 h | 13 | 67 |
| JulyJul | 18 | 18° | 13° | 14.7° | 6.6 h | 14 | 66 |
| AugustAug | 17 | 18° | 13° | 15.8° | 6.1 h | 14 | 75 |
| SeptemberSep | 14 | 16° | 12° | 15.6° | 5.0 h | 13 | 83 |
| OctoberOct | 5 | 14° | 10° | 14.2° | 3.5 h | 16 | 106 |
| NovemberNov | 2 | 10° | 7° | 12.1° | 2.1 h | 17 | 108 |
| DecemberDec | 3 | 8° | 5° | 9.9° | 1.6 h | 16 | 106 |
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
53.22° N, 4.20° W · 42 m · Europe/London
Best time to visit Llanfairpwllgwyngyll
The best time to visit Llanfairpwllgwyngyll is from April to August. The sea stays too cool for a classic beach holiday: even in August it only reaches 15.8 °C. The wettest month is November with 108 mm of precipitation.
Llanfairpwllgwyngyll through the seasons
How the weather changes over the seasons, with averages for each.
Llanfairpwllgwyngyll in spring
Mar – May
Poor
- 9–14 °C by day
- Sea 9 °C
- 6 h of sun a day
- 40 rainy days in all
Llanfairpwllgwyngyll in summer
Jun – Aug
Poor
- 17–18 °C by day
- Sea 14 °C
- 7 h of sun a day
- 40 rainy days in all
Llanfairpwllgwyngyll in autumn
Sep – Nov
Poor
- 10–16 °C by day
- Sea 14 °C
- 4 h of sun a day
- 45 rainy days in all
Llanfairpwllgwyngyll in winter
Dec – Feb
Poor
- 8 °C by day
- Sea 9 °C
- 2 h of sun a day
- 45 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Llanfairpwllgwyngyll for you.
Your best months: May – July
Based on the climate averages; tap a month to see its details.
Compare two months in Llanfairpwllgwyngyll
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 Llanfairpwllgwyngyll: score 22 against 5. Daytime highs are about the same. The sea is 4 °C cooler in May. May has 3 fewer rainy days. The sun shines 4 hours longer a day in May.
| Month | October | May |
|---|---|---|
| Weather score | 5 | 22better |
| Day high | 14° | 14° |
| Night low | 10° | 8° |
| Sea | 14.2° | 10.5° |
| Sunshine | 3.5 h | 7.5 hbetter |
| Rainy days | 16 | 13better |
| Rainfall | 106 mm | 64 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
Llanfairpwllgwyngyll month by month
The typical weather for every month at a glance.
4January8° · Sea 8° · 2 h
In January, Llanfairpwllgwyngyll is cold: daytime highs average 8 °C, and nights cool down to about 4 °C. The sea averages 8.3 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. It rains often – on about 15 days, adding up to 88 mm. It is often windy, with gusts of around 31 km/h. All in all, January is not an ideal month for a holiday in Llanfairpwllgwyngyll.
Llanfairpwllgwyngyll in January7February8° · Sea 8° · 3 h
In February, Llanfairpwllgwyngyll is cold: daytime highs average 8 °C, and nights cool down to about 4 °C. The sea averages 7.6 °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 74 mm in total. It is often windy, with gusts of around 31 km/h. All in all, February is not an ideal month for a holiday in Llanfairpwllgwyngyll.
Llanfairpwllgwyngyll in February10March9° · Sea 8° · 4 h
In March, Llanfairpwllgwyngyll is cold: daytime highs average 9 °C, and nights cool down to about 4 °C. The sea averages 7.5 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 69 mm in total. All in all, March is not an ideal month for a holiday in Llanfairpwllgwyngyll.
Llanfairpwllgwyngyll in March17April12° · Sea 9° · 6 h
In April, Llanfairpwllgwyngyll is cool: daytime highs average 12 °C, and nights cool down to about 6 °C. The sea averages 8.6 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 63 mm in total. All in all, April is not an ideal month for a holiday in Llanfairpwllgwyngyll.
Llanfairpwllgwyngyll in April22May14° · Sea 11° · 8 h
In May, Llanfairpwllgwyngyll is cool: daytime highs average 14 °C, and nights cool down to about 8 °C. The sea averages 10.5 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain is frequent, with about 13 rainy days and 64 mm in total. All in all, May is not an ideal month for a holiday in Llanfairpwllgwyngyll.
Llanfairpwllgwyngyll in May22June17° · Sea 13° · 7 h
In June, Llanfairpwllgwyngyll is mild: daytime highs average 17 °C, and nights cool down to about 11 °C. The sea averages 12.7 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 13 rainy days and 67 mm in total. All in all, June is not an ideal month for a holiday in Llanfairpwllgwyngyll.
Llanfairpwllgwyngyll in June18July18° · Sea 15° · 7 h
In July, Llanfairpwllgwyngyll is mild: daytime highs average 18 °C, and nights cool down to about 13 °C. The sea averages 14.7 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 14 rainy days and 66 mm in total. All in all, July is not an ideal month for a holiday in Llanfairpwllgwyngyll.
Llanfairpwllgwyngyll in July17August18° · Sea 16° · 6 h
In August, Llanfairpwllgwyngyll is mild: daytime highs average 18 °C, and nights cool down to about 13 °C. The sea averages 15.8 °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, August is not an ideal month for a holiday in Llanfairpwllgwyngyll.
Llanfairpwllgwyngyll in August14September16° · Sea 16° · 5 h
In September, Llanfairpwllgwyngyll is mild: daytime highs average 16 °C, and nights cool down to about 12 °C. The sea averages 15.6 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 83 mm in total. All in all, September is not an ideal month for a holiday in Llanfairpwllgwyngyll.
Llanfairpwllgwyngyll in September5October14° · Sea 14° · 4 h
In October, Llanfairpwllgwyngyll is cool: daytime highs average 14 °C, and nights cool down to about 10 °C. The sea averages 14.2 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. It rains often – on about 16 days, adding up to 106 mm. It is often windy, with gusts of around 29 km/h. All in all, October is not an ideal month for a holiday in Llanfairpwllgwyngyll.
Llanfairpwllgwyngyll in October2November10° · Sea 12° · 2 h
In November, Llanfairpwllgwyngyll is cool: daytime highs average 10 °C, and nights cool down to about 7 °C. The sea averages 12.1 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. It rains often – on about 17 days, adding up to 108 mm. It is often windy, with gusts of around 30 km/h. All in all, November is not an ideal month for a holiday in Llanfairpwllgwyngyll.
Llanfairpwllgwyngyll in November3December8° · Sea 10° · 2 h
In December, Llanfairpwllgwyngyll is cold: daytime highs average 8 °C, and nights cool down to about 5 °C. The sea averages 9.9 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. It rains often – on about 16 days, adding up to 106 mm. It is often windy, with gusts of around 31 km/h. All in all, December is not an ideal month for a holiday in Llanfairpwllgwyngyll.
Llanfairpwllgwyngyll in DecemberLlanfairpwllgwyngyll compared
Put Llanfairpwllgwyngyll side by side with another destination.
No destination found
Llanfairpwllgwyngyll vs. Wrexham
In October the holiday weather in Llanfairpwllgwyngyll and Wrexham is about equally good (score 5 vs. 7). During the day Wrexham is 1 °C cooler than Llanfairpwllgwyngyll. Wrexham gets one hour less sunshine a day.
| in October | Llanfairpwllgwyngyll | Wrexham |
|---|---|---|
| Holiday score | 5 | 7 |
| Daytime high | 14° | 13° |
| Sea | 14° | – |
| Sunshine | 4 h | 3 h |
| Rainy days | 16 | 13 |
| Best time | Apr – Aug | Jun – Sep |
Through the year
United Kingdom in October: the best places
In October, Llanfairpwllgwyngyll ranks 27 among the 31 nearest destinations in this country.
- Stratford-upon-Avon14°46
- 2Gloucester14°45
- 3Cheltenham14°45
- 4Nottingham14°45
- 5Derby14°44
- 6Stourbridge14°43
- 7Coventry14°43
- 8Newport14°15°42
- 27LlanfairpwllgwyngyllThis page14°14°5
Planning a trip to Llanfairpwllgwyngyll
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Llanfairpwllgwyngyll 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.
Llanfairpwllgwyngyll has its best school-holiday weather during May half-term (score 22) and its weakest during the Christmas holidays (score 4).
- 15
Easter holidays
Mar – Apr
Poor
- 11 °C by day
- Sea 8 °C
- 5.5 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 22
May half-term
May – Jun
PoorBest holidays
- 15 °C by day
- Sea 11 °C
- 7.5 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 17
Summer holidays
Jul – Aug
Poor
- 18 °C by day
- Sea 15 °C
- 6.3 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
- 5
October half-term
Oct
Poor
- 14 °C by day
- Sea 14 °C
- 3.5 h of sun a day
- 16 rainy days a month
Keep in mind: Frequent rain
- 4
Christmas holidays
Dec – Jan
Poor
- 8 °C by day
- Sea 9 °C
- 1.8 h of sun a day
- 16 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
- 320 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 Llanfairpwllgwyngyll
When is the best time to visit Llanfairpwllgwyngyll?
The best time to visit Llanfairpwllgwyngyll is from April to August. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Llanfairpwllgwyngyll?
The sea temperature in Llanfairpwllgwyngyll ranges from 7.5 °C in March to 15.8 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Llanfairpwllgwyngyll in October?
Only if you don't mind cold water: in October the sea averages just 14.2 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Llanfairpwllgwyngyll?
July is the warmest month, with average highs of 18 °C and nights around 13 °C. January is the coolest month at 8 °C.
When does it rain most in Llanfairpwllgwyngyll?
The wettest month is November with 108 mm of precipitation. The driest month is April with 63 mm.
How many hours of sunshine does Llanfairpwllgwyngyll get?
Llanfairpwllgwyngyll gets around 1,680 hours of sunshine a year. The sunniest month is May with 7.5 hours a day; in December there are 1.6 hours a day.
What time zone is Llanfairpwllgwyngyll in?
Llanfairpwllgwyngyll uses the time zone Europe/London: UTC+0 in January and UTC+1 in July.
Which school holidays are best for Llanfairpwllgwyngyll?
Llanfairpwllgwyngyll has its best school-holiday weather during May half-term (score 22) and its weakest during the Christmas holidays (score 4). Holiday ratings (0–100): Easter holidays 15, May half-term 22, Summer holidays 17, October half-term 5, Christmas holidays 4.
Near Llanfairpwllgwyngyll
Other destinations close by.
Places with a climate like Llanfairpwllgwyngyll
Destinations whose weather through the year is closest to Llanfairpwllgwyngyll's – good alternatives.