When to Visit
Below gives you information and a rating of the best time of year to visit.
January
Winter is cool and often wet, with highs around 5–7°C. Snow occasionally settles on the peaks of Eryri (Snowdonia) and the Brecon Beacons, sharpening the outline of ridges and valleys. Coastal paths are quiet, offering bracing walks above empty beaches, while Cardiff and smaller towns provide museums, galleries and welcoming cafés out of the wind.
February
Still chilly, with highs of 6–8°C, but daylight begins to stretch. Snowdrops appear in gardens and woodland edges. It’s a good month for visiting castles without crowds — from Caernarfon to Pembroke — and for coastal drives where dramatic seas and shifting skies dominate the view.
March
Early spring brings highs of 8–11°C and a mix of sunshine and showers. Hillsides begin to green, waterfalls run strongly, and lambs dot the fields. Walking routes reopen at higher elevations, and St David’s Day celebrations add a cultural focus in towns and villages.
April
Milder and brighter, with highs around 11–14°C. Bluebells spread through woodlands, and conditions are well suited to hiking in Eryri or along the Pembrokeshire Coast Path. Market towns feel lively again, and longer evenings allow time for both countryside walks and city dining.
May
One of the most reliable months weather-wise, with highs of 14–17°C and comparatively lower rainfall. It’s ideal for hillwalking, cycling quiet country lanes, or exploring Anglesey’s coastline. Wildlife is active, from seabird colonies to coastal dolphins, and gardens are in full bloom.
June
Early summer brings highs of 17–19°C and extended daylight. Beaches along the Gower Peninsula and Pembrokeshire are inviting, while mountain trails are at their most accessible. Outdoor festivals and food events begin appearing, and long evenings suit scenic drives through valleys and along the coast.
July
Typically the warmest month, with highs around 19–21°C, though showers are never far away. Coastal towns are lively, walkers take to the national parks, and boat trips run regularly along the shoreline. Early starts offer quieter paths before daytime visitors arrive.
August
Similar temperatures to July, often 18–21°C, with mixed sunshine and rain. Landscapes are lush, rivers full, and agricultural shows and local festivals bring rural communities together. It’s a strong month for combining mountain walks with relaxed afternoons by the sea.
September
Temperatures ease to 15–18°C, with calmer conditions and softer light. It’s an excellent time for hiking, cycling and photography, particularly in Eryri and the Brecon Beacons as bracken turns bronze. Coastal paths are less busy, and the sea often retains summer warmth.
October
Cooler, with highs around 12–14°C. Autumn colour spreads through wooded valleys and parklands. Mist sometimes clings to hills in the morning, clearing to reveal sharp views. It’s a rewarding month for scenic drives, castle visits and woodland walks.
November
Chillier and more changeable, highs around 8–10°C. Leaves fall, daylight shortens, and higher ground may see early frost. Coastal storms can make for dramatic seascapes. Indoor attractions, historic houses and city cultural venues provide contrast to brisk outdoor air.
December
Winter returns with highs of 5–8°C. Snow occasionally caps the mountains, while towns and cities light up for the festive period. Bracing coastal walks and quiet forest trails suit clear days, balanced by evenings spent in traditional pubs or restaurants serving seasonal Welsh produce.
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