St David’s Weather: What Visitors Need to Know

St David’s, the spiritual heart of Wales and home to Europe’s smallest cathedral, experiences a temperate maritime climate shaped by its coastal location and proximity to the Preseli Hills. Understanding St David’s weather patterns helps visitors pack wisely and time their trips perfectly.

Climate Overview of St David’s

St David’s enjoys mild temperatures year-round, with average highs between 10°C (50°F) in winter and 18°C (64°F) in summer. Rainfall is evenly distributed, though winter sees slightly higher precipitation, especially in November and December. Snow is rare but not unheard of—light frosts occur in cold winters, but sustained snowfall is uncommon beyond brief episodes.

The town’s coastal position moderates extreme temperatures, making it pleasant even in transitional seasons. Humidity levels remain moderate, rarely exceeding 80%, contributing to comfortable walking conditions across historic sites like the cathedral and St Davids Byward Tower.

Seasonal Breakdown: Spring to Winter

Spring (March–May): Spring brings gradual warming, with average temperatures climbing from 8°C to 15°C. March can still be chilly with frequent showers, but by May, sunny days become the norm. Wildflower meadows around St David’s swell with color, and the town’s green landscapes come alive. This season offers ideal walking conditions—perfect for exploring the surrounding countryside and coastal trails.

Summer (June–August): Summer is St David’s warmest and sunniest season. Daytime highs average 18–21°C, with occasional peaks near 23°C. Evenings stay cool, rarely exceeding 15°C, making overnight stays comfortable. July and August see the most sunshine, with about 18 hours of daylight—ideal for outdoor sightseeing, garden visits, or coastal walks along the Pembrokeshire coast.

Autumn (September–November): Autumn cools steadily, with temperatures dropping from 14°C to 9°C. September remains mild and dry, but by November, rainfall increases and days shorten. The changing foliage in nearby woodlands adds charm, though visitors should prepare for wetter conditions and shorter daylight hours.

Winter (December–February): Winters are cool and damp, with averages around 7–10°C. Nights can dip below freezing, and frost is common. While snow is infrequent, occasional light snow dusts the hills, transforming St David’s into a quiet, serene destination. The city’s festive atmosphere in December, with Christmas markets and twinkling lights, draws visitors seeking a peaceful retreat.

Rainfall and Humidity Trends

Rainfall in St David’s averages 800–900 mm annually, slightly above the UK national average. Most rain falls as steady drizzle or brief showers rather than heavy downpours, especially during autumn and winter. Humidity averages 70–75%, contributing to a comfortable microclimate despite frequent overcast skies. Visitors often note the air feels fresh and clean—ideal for breathing and outdoor exploration.

Tips for Visitors Based on Weather

• Pack layers: Even in summer, mornings and evenings cool quickly.
• Waterproof footwear is essential for autumn and winter walks.
• Sun protection remains important in summer—UV levels can be high despite cloud cover.
• Check local forecasts before hiking coastal paths, especially in spring and autumn.
• Plan visits in spring and early summer for optimal weather and blooming landscapes.

Conclusion

St David’s weather reflects the rhythms of nature—mild, mildly changeable, and rich with seasonal beauty. Whether you visit in vibrant spring, warm summer days, golden autumn, or quiet winter, the town’s charm endures. By understanding its climate, you’ll make the most of every moment, from cathedral tours to coastal strolls. Plan your visit with confidence—St David’s weather welcomes you year-round.

CTA: Start planning your visit today—pack your layers, check the forecast, and step into the timeless beauty of St David’s.