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.
Conwy climatological average
Annual average temperature: approx. 10.6°C / Annual rainfall: approx. 49 mm / Summer humidity: 60%–70% / Rainiest month: November
Conwy monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (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
Conwy weather for the next seven days
10/29
Wednesday
Patchy rain nearby
11.2°C/8.5°C
10/30
Thursday
Moderate rain
10.8°C/6.6°C
10/31
Friday
Partly Cloudy
14.1°C/11.5°C
11/1
Saturday
Moderate rain
11.8°C/8.2°C
11/2
Sunday
Patchy rain nearby
10.9°C/7°C
11/3
Monday
Patchy rain nearby
14.5°C/12.1°C
11/4
Tuesday
Partly Cloudy
13.5°C/11.9°C
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