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Rhiw Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Rhiw.
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Climate overview of Rhiw
The climate in Rhiw, Gwynedd, United Kingdom, sees a moderate range of temperatures across the year, from 18°C (64°F) in August down to 9°C (48°F) in February.
The city receives considerable rainfall, with around 1522 mm (60 in) annually. November is the wettest month. It has a distinct rainy season from October to December. May is the sunniest month, averaging 5.6 hours of sunshine per day.
Rhiw Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rhiw - and find the best time to visit.
Monthly Temperature in Rhiw
The weather in Rhiw changes moderately throughout the year, offering enough variation to appreciate each season. Typically, average maximum daytime temperatures range from a moderate 18°C (64°F) in August to a chilly 9°C (48°F) in the coolest month, February.
Nights vary from 15°C (59°F) in August to around 6°C (43°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Rhiw
Rhiw experiences significant rainfall throughout the year, averaging 1522 mm (60 in) of precipitation annually. The climate in Rhiw shows significant variation throughout the year. Expect heavy rainfall in November, the wettest month, with an average of 189 mm (7.4 in) of precipitation over 20 rainy days.
In contrast, the driest month May offers drier and sunnier days, with around 81 mm (3.2 in) of rainfall over 15 rainy days. For more details, please visit our Rhiw 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 Rhiw
For those who appreciate different seasons, Rhiw serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 5.6 hours of sunshine daily, and embrace the darker days in December, offering only 0.9 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Bala, the United Kingdom (70 KM, 43 Miles).
Daily hours of sunshine
Data from: Bala, the United Kingdom (70 KM, 43 Miles).
Best Time to Visit Rhiw
For the most comfortable conditions available during the year, consider visiting Rhiw in May, June, July and August. Conditions are usually least comfortable in January, February, March, 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
good
Aug
good
Sep
mixed
Oct
mixed
Nov
wet
Dec
wet
- Best overall: May, June, July 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 Rhiw
What is the best time to visit Rhiw?
May, June, July and August typically offer the most optimal weather in Rhiw. In contrast, January, February, March, November and December tend to have less optimal conditions. Rhiw has a distinct rainy season from October to December.
What temperatures can I expect in Rhiw?
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 15°C (59°F).
How much rain does Rhiw get?
Annual rainfall is around 1522 mm (60 in). November is the wettest month with 189 mm (7.4 in), while May is the driest with 81 mm (3.2 in).
How sunny is Rhiw?
Rhiw 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.
Rhiw 3-Day Forecast
Rhiw on the map
Rhiw 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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