Spring (March–May): Average 7.2–12.6°C, 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 13.1–15.9°C, 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 8.5–13.3°C, 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 5.7–8.0°C, cold climate, low rainfall. Common activities: Indoor activities, visiting museums, enjoying cosy café time. Recommended clothing: Warm coat, sweater, scarf, hat.
Weather in Conwy
Annual average temperature: approx. 10.6°C / Annual rainfall: approx. 49 mm / Summer humidity: 60%–70% / Rainiest month: November
Conwy weather by month
Month
Temperature (°C)
Rainfall (mm)
January
5.7°C
4.3
February
7.3°C
5.1
March
7.2°C
5.1
April
8.8°C
4.8
May
12.6°C
3
June
13.1°C
2.5
July
14.8°C
3.5
August
15.9°C
2.3
September
13.3°C
5.3
October
11.5°C
3
November
8.5°C
5.8
December
8°C
4.4
7-day weather forecast for Conwy
11/14
Saturday
Partly Cloudy
9°C/1.3°C
11/15
Sunday
Light rain shower
7.8°C/3.2°C
11/16
Monday
Patchy rain nearby
5.7°C/2.5°C
11/17
Tuesday
Patchy rain nearby
9.7°C/2.8°C
11/18
Wednesday
Patchy rain nearby
11°C/6.3°C
11/19
Thursday
Patchy rain nearby
7.3°C/3.9°C
11/20
Friday
Patchy light rain
6.4°C/1.9°C
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