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Conwy

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Conwy Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Conwy year round climate

  • 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

3/19
Thursday
Sunny
15.7°C/5.5°C
3/20
Friday
Sunny
13.4°C/4.6°C
3/21
Saturday
Sunny
13.4°C/3.9°C
3/22
Sunday
Partly Cloudy
12.5°C/4.1°C
3/23
Monday
Patchy rain nearby
11.4°C/1.4°C
3/24
Tuesday
Patchy rain nearby
8.4°C/-0.5°C
3/25
Wednesday
Moderate rain
9°C/4.6°C