When to visit
Caernarfon?

Discover the best time of year, based on historical climate, temperature, and precipitation.

Caernarfon
Wales · Britain

The best weather in Caernarfon is from June, July, August.some variation climate

Climate score
June
70

Excellent climate

🌥Mild

Temperature
11–18°C
Cold nights — bring layers
Feels like
9–16°C
Comfortable
Precipitation
89mm
Light rain · 17 days
Sunshine
10.2h
Mostly cloudy
Humidity (%)
79%
Comfortable
Annual Climate Analysis
Temperature, Rain & Feels Like
Rain
Actual Temp
Feels Like
-10°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly Overview
Score791435547075695931116
ClimateColdColdColdColdMildMildCool & rainyCool & rainyCool & rainyColdColdCold
Temperature4–8°C4–8°C4–10°C5–12°C9–15°C11–18°C13–18°C13–18°C12–17°C9–14°C6–11°C5–9°C
Feels like0–4°C0–4°C0–6°C2–9°C6–13°C9–16°C12–18°C12–17°C10–15°C7–11°C3–7°C1–5°C
Precipitation134mm
21 days
131mm
20 days
127mm
21 days
78mm
15 days
84mm
15 days
89mm
17 days
103mm
20 days
122mm
21 days
129mm
19 days
140mm
20 days
144mm
22 days
173mm
25 days
Sunshine3.0h
☀︎ 37%
4.2h
☀︎ 43%
5.8h
☀︎ 49%
8.5h
☀︎ 61%
9.8h
☀︎ 62%
10.2h
☀︎ 60%
8.8h
☀︎ 53%
8.1h
☀︎ 55%
6.7h
☀︎ 53%
4.6h
☀︎ 43%
3.2h
☀︎ 37%
2.3h
☀︎ 29%
WindSW · 27 km/hSW · 29 km/hS · 26 km/hSE · 21 km/hS · 21 km/hSW · 21 km/hSW · 21 km/hSW · 23 km/hSW · 23 km/hS · 25 km/hSW · 26 km/hSW · 29 km/h
Humidity (%)85%83%82%77%79%79%81%83%83%84%85%88%
Day length8.2h9.9h11.9h14.0h15.9h16.9h16.4h14.7h12.7h10.6h8.7h7.6h

Frequently asked questions

What is the best time to visit Caernarfon?

The best time to visit Caernarfon is July, June, August, with temperatures between 11 °C and 18 °C. The best month is July. July is low season.

What is the weather like in Caernarfon?

Caernarfon has a climate with an overall score of 3.7/10. Annual temperatures range from 4 °C to 18 °C.

What is the hottest month in Caernarfon?

The hottest month in Caernarfon is June, with average highs of 18 °C and lows of 11 °C.

What is the rainiest month in Caernarfon?

The rainiest month in Caernarfon is December, with an average of 173 mm of precipitation.