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Nefyn Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Nefyn.
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Climate overview of Nefyn
Nefyn, Gwynedd, United Kingdom, experiences moderate temperature changes through the seasons. August is the warmest month with daytime highs of 18°C (64°F), while February is the coolest at 9°C (48°F).
With around 1690 mm (67 in) of annual rainfall, Nefyn has a notably wet climate. However, this rainfall is not evenly distributed, the city has a distinct rainy season from October to December. The wettest month is November. The sunniest month is May, with 5.6 hours of sunshine per day on average.
Nefyn Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Nefyn - and find the best time to visit.
Monthly Temperature in Nefyn
In Nefyn, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a moderate 18°C (64°F) in August. In February, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).
At night, temperatures range from around 14°C (57°F) in August to 6°C (43°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Nefyn
Nefyn has a relatively rainy climate with high precipitation levels, averaging 1690 mm (67 in) of rainfall annually. Nefyn can be quite wet during November, receiving approximately 206 mm (8.1 in) of precipitation over 20 rainy days.
In contrast, during the driest month (May), you will experience much drier conditions, with 89 mm (3.5 in) of precipitation spread across 15 rainy days. For more details, please visit our Nefyn Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Nefyn
Nefyn can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 5.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 0.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Bala, the United Kingdom (61 KM, 38 Miles).
Daily hours of sunshine
Data from: Bala, the United Kingdom (61 KM, 38 Miles).
Best Time to Visit Nefyn
The most favourable weather available in Nefyn usually occurs in May, June and August. Conditions are generally most challenging in January, February, March, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
wet
Feb
wet
Mar
wet
Apr
mixed
May
good
Jun
good
Jul
mixed
Aug
good
Sep
mixed
Oct
wet
Nov
very wet
Dec
very wet
- Best overall: May, June and August
- Warmest weather: July, August and September
- Most sunshine: May
- Seasonal pattern: A distinct rainy season from October to December
Frequently asked questions about the climate in Nefyn
What is the best time to visit Nefyn?
May, June and August typically offer the most optimal weather in Nefyn. In contrast, January, February, March, October, November and December tend to have less optimal conditions. Nefyn has a distinct rainy season from October to December.
What temperatures can I expect in Nefyn?
Daytime highs range from 9°C (48°F) in February to 18°C (64°F) in August. Nighttime lows range from 6°C (43°F) to 14°C (57°F).
How much rain does Nefyn get?
Annual rainfall is around 1690 mm (67 in). November is the wettest month with 206 mm (8.1 in), while May is the driest with 89 mm (3.5 in).
How sunny is Nefyn?
Nefyn receives around 1,192 hours of sunshine per year. May is the sunniest month with 169 hours, while December is the cloudiest with just 26 hours.
Nefyn 3-Day Forecast
Nefyn on the map
Nefyn is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
London
16°C (61°F) Bath15°C (59°F) Torquay16°C (61°F) Manchester14°C (57°F) York15°C (59°F) Blackpool
15°C (59°F) Edinburgh13°C (55°F) Glasgow14°C (57°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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