Spring (March–May): Average 44–54°F, cool climate, low rainfall, sunny. Common activities: Hiking, cycling, exploring Conwy Castle. Recommended clothing: Light jacket, long-sleeved shirt, comfortable trousers.
Summer (June–August): Average 55–60°F, mild climate, very low rainfall, suitable for outdoor activities. Common activities: Beach leisure, water sports, visiting attractions around Conwy. Recommended clothing: Short-sleeved shirts, light trousers, sun protection clothing.
Autumn (September–November): Average 47–55°F, cooler climate, higher rainfall in November. Common activities: Enjoying autumn scenery, visiting museums, tasting local food. Recommended clothing: Light jacket, long-sleeved shirts, warm clothing.
Winter (December–February): Average 42–46°F, cold climate, low rainfall. Common activities: Indoor activities, visiting museums, enjoying cosy café time. Recommended clothing: Warm coat, sweater, scarf, hat.
Conwy climatological average
Annual average temperature: approx. 51.1°F / Annual rainfall: approx. 49 mm / Summer humidity: 60%–70% / Rainiest month: November
Conwy monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
42.3°F
4.3
February
45.1°F
5.1
March
45°F
5.1
April
47.8°F
4.8
May
54.7°F
3
June
55.6°F
2.5
July
58.6°F
3.5
August
60.6°F
2.3
September
55.9°F
5.3
October
52.7°F
3
November
47.3°F
5.8
December
46.4°F
4.4
Conwy weather for the next seven days
12/17
Wednesday
Patchy rain nearby
50.4°F/39.9°F
12/18
Thursday
Patchy rain nearby
48.2°F/44.2°F
12/19
Friday
Patchy rain nearby
47.3°F/44.9°F
12/20
Saturday
Patchy rain nearby
47.3°F/42.9°F
12/21
Sunday
Patchy rain nearby
46.3°F/40.7°F
12/22
Monday
Partly Cloudy
42.6°F/38.3°F
12/23
Tuesday
Partly Cloudy
41.1°F/37.2°F
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