Llandudno, a Victorian seaside resort on the north coast of Wales, attracts visitors year-round with its sweeping bay, Great Orme headland, and elegant promenade. But choosing the right time to visit can make the difference between a peaceful retreat and a crowded, weather‑dependent trip. This guide breaks down the best months for pleasant weather, thin crowds, and good value, drawing on local climate data and tourism patterns.
Understanding Llandudno’s climate
Llandudno enjoys a temperate maritime climate, heavily influenced by the Irish Sea. Summers are cool, winters mild, and rainfall is spread fairly evenly throughout the year. The warmest month is August, with average highs around 19°C (66°F), while the coolest is January, averaging 8°C (46°F). Sea temperatures peak in September at about 16°C (61°F).
Rainfall averages 800–900 mm per year. October to January are the wettest months, each receiving over 80 mm of rain. April to June are the driest, with monthly totals often below 60 mm. Sunshine hours peak in May and June, with about 7 hours per day compared to just 2 in December.
For detailed monthly data, see our climate overview of Llandudno.
Spring (March to May): Mild weather and blooming landscapes
Spring in Llandudno sees temperatures gradually rising. March averages 9°C (48°F), April 12°C (54°F), and May 15°C (59°F). Rainfall is moderate, with April and May being among the driest months. Sunshine hours increase from 4 hours per day in March to 7 in May.
Crowds are thin in March and April, picking up slightly in May with bank holidays and school visits. Accommodation prices are moderate, often lower than summer rates. The Great Orme Country Park and West Shore offer pleasant walks with fewer people. Spring flowers, including bluebells and gorse, are in bloom.
Pros of visiting in spring
- Lower accommodation and travel costs compared to summer.
- Fewer tourists, especially mid‑week.
- Mild temperatures ideal for walking and hiking.
- Longer daylight hours by May.
Cons of visiting in spring
- Sea temperature still cold (around 10°C in March).
- Some attractions may have limited off‑season hours.
- Unpredictable weather, especially early spring.
Summer (June to August): Warmest weather but peak crowds
Summer is the busiest and warmest season. June averages 17°C (63°F), July 18°C (64°F), and August 19°C (66°F). Rainfall is low in June (under 60 mm) but increases slightly in July and August. Sunshine is abundant, with 7–7.5 hours per day.
Crowds peak in August, when school holidays fill the promenade, beaches, and tramway. Accommodation prices are at their highest; a seaside B&B may cost £100–150 per night. Queues for the Great Orme Tramway and Llandudno Cable Car can exceed 30 minutes. Parking is limited and expensive, with seafront car parks charging £8–12 per day.
If you want to swim, August sea temperatures reach 16°C. The Llandudno Air Show (usually in August) draws large crowds. For a quieter visit, consider early June or late August, when children are still in school.
Pros of visiting in summer
- Warmest weather and most sunshine.
- All attractions fully open, including seasonal boat trips.
- Longest days, with light until 9 PM.
- Best chance for beach days and outdoor dining.
Cons of visiting in summer
- Highest prices for hotels, flights, and parking.
- Large crowds, especially in August.
- Traffic congestion on the A55 and local roads.
- Some attractions may feel overcrowded.
Autumn (September to November): Golden days and calm
Autumn offers a sweet spot for many visitors. September remains warm (average 17°C), with sea temperatures still around 16°C, making it pleasant for coastal walks. October sees highs of 13°C (55°F) and November 10°C (50°F). Rainfall increases, especially in October and November.
Crowds thin dramatically after September. The Great Orme Tramway operates until late October, but queues are minimal. Accommodation prices drop significantly; a B&B that cost £120 in August might be £70 in October. The autumn colours on the Great Orme are stunning, and the Llandudno Food Festival (September) is a highlight.
November is quiet, with many attractions on reduced hours. However, the Christmas Market in December starts to bring visitors.
Pros of visiting in autumn
- Mild September weather with fewer crowds.
- Lower prices for accommodation and travel.
- Beautiful autumn foliage on the Orme.
- Local festivals and events.
Cons of visiting in autumn
- Increasing rainfall, especially later in the season.
- Shorter daylight hours (sunset around 5 PM in November).
- Some seasonal attractions close by October.
- Sea temperature drops quickly after September.
Winter (December to February): Quietest and cheapest
Winter is the low season. December averages 8°C (46°F), January 7°C (45°F), and February 7°C (45°F). Rainfall is high, with December and January each receiving about 90 mm. Sunshine is minimal, with 2 hours per day in December.
Crowds are very thin except for the Christmas period and New Year. Accommodation can be as low as £50 per night for a B&B. Many attractions, including the Great Orme Summit Complex, are closed or on limited hours. However, the promenade remains open for bracing walks, and the Llandudno Christmas Market (late November to December) adds festive cheer.
Winter storms can cause cancellations of ferry services from Liverpool to Llandudno via the Irish Sea. If you don’t mind cold weather and want solitude, winter offers the best value.
Pros of visiting in winter
- Lowest prices for accommodation and travel.
- Almost no crowds, even on weekends.
- Festive events in December.
- Dramatic winter seascapes.
Cons of visiting in winter
- Cold and wet weather; many indoor activities.
- Short days with limited daylight.
- Many attractions closed or on reduced schedules.
- Some restaurants and cafes shut for the season.
Month‑by‑month breakdown
| Month | Avg High (°C) | Rainfall (mm) | Sunshine (hrs/day) | Crowd Level |
|---|---|---|---|---|
| January | 8 | 90 | 2 | Very Low |
| February | 8 | 70 | 3 | Very Low |
| March | 9 | 70 | 4 | Low |
| April | 12 | 55 | 6 | Low–Medium |
| May | 15 | 55 | 7 | Medium |
| June | 17 | 55 | 7.5 | Medium–High |
| July | 18 | 60 | 7 | High |
| August | 19 | 70 | 7 | Very High |
| September | 17 | 65 | 5 | Medium |
| October | 13 | 85 | 3 | Low |
| November | 10 | 90 | 2 | Very Low |
| December | 8 | 90 | 2 | Low (holiday peak excluded) |
When to visit for specific activities
Beach days and swimming
For sunbathing and paddling, July and August are best, with sea temperatures around 15–16°C. September also offers pleasant conditions for beach walks. If you want to swim, consider a wetsuit; the sea rarely exceeds 17°C.
Walking and hiking
Spring and autumn are ideal for walking, with mild temperatures and fewer crowds. The Great Orme summit walk, the Marine Drive, and the Little Orme are popular. Rain gear is essential; see our packing guide for Llandudno for recommendations.
Family holidays
School holidays in July and August are busiest. For a quieter family trip, consider late May or early September, when the weather is still good but crowds are thinner.
Romantic getaways
October and November offer low prices and atmospheric misty mornings. Many hotels offer winter deals. The Llandudno Bay Hotel and Empire Hotel have sea‑view rooms.
Budget travel
November, January, and February are cheapest. A double room at a guesthouse can be found for £50–70 per night. Many pubs offer discounted meals.
Local events and festivals
- Llandudno Food Festival (September): Local produce, cooking demos.
- Llandudno Air Show (August): Free air display over the bay.
- Victorian Extravaganza (May): Street entertainment and vintage costumes.
- Christmas Market (late November–December): Festive stalls on Mostyn Street.
- Great Orme Sheep Race (August): Quirky charity event.
Conclusion: The best time to visit Llandudno
For the best balance of pleasant weather and thin crowds, late May and early September are the top choices. In late May, temperatures are mild (15–17°C), rainfall is low, and the school summer holidays haven’t started. In early September, the sea is still warm, crowds have dispersed, and accommodation prices drop. If you’re flexible, these periods offer the most rewarding experience.
If your priority is warm weather and you don’t mind crowds, visit in July or August. For solitude and low costs, winter months are ideal, but be prepared for limited attractions and cold, wet days.
No matter when you go, Llandudno’s charm endures. Check our climate overview for more detailed data, and pack accordingly.