Monthly weather forecast and climate
Colwyn Bay, United Kingdom

January, like December, is another chilly winter month in Colwyn Bay, United Kingdom, with average temperature varying between 3.8°C (38.8°F) and 6.8°C (44.2°F). The coldest month is January, with an average high-temperature of 6.8°C (44.2°F) and an average low-temperature of 3.8°C (38.8°F). Weather in January »

The last month of the winter, February, is also a frosty month in Colwyn Bay, United Kingdom, with average temperature varying between 3.9°C (39°F) and 7.1°C (44.8°F). In Colwyn Bay, the average high-temperature is practically the same as in January - a still chilly 7.1°C (44.8°F). Weather in February »

March, the first month of the spring, in Colwyn Bay, is still a chilly month, with average temperature varying between 8.3°C (46.9°F) and 4.3°C (39.7°F). In Colwyn Bay, the average high-temperature is almost the same as in February - a still chilly 8.3°C (46.9°F). Weather in March »

April is a fresh spring month in Colwyn Bay, United Kingdom, with temperature in the range of an average high of 10.5°C (50.9°F) and an average low of 5.9°C (42.6°F). In April, the average high-temperature is practically the same as in March - a fresh 10.5°C (50.9°F). Weather in April »

The last month of the spring, May, is another cool month in Colwyn Bay, United Kingdom, with average temperature ranging between max 12.9°C (55.2°F) and min 8.1°C (46.6°F). In May, the average high-temperature is practically the same as in April - a still fresh 12.9°C (55.2°F). Weather in May »

June, the first month of the summer, in Colwyn Bay, is a mild month, with average temperature ranging between min 10.6°C (51.1°F) and max 15.4°C (59.7°F). In Colwyn Bay, the average high-temperature is practically the same as in May - a moderate 15.4°C (59.7°F). Weather in June »

July is an enjoyable summer month in Colwyn Bay, United Kingdom, with average temperature ranging between min 12.3°C (54.1°F) and max 16.9°C (62.4°F). July is the warmest month, with an average high-temperature of 16.9°C (62.4°F) and an average low-temperature of 12.3°C (54.1°F). Weather in July »

The last month of the summer, August, is also an enjoyable month in Colwyn Bay, United Kingdom, with temperature in the range of an average high of 16.8°C (62.2°F) and an average low of 12.8°C (55°F). In August, the average high-temperature is almost the same as in July - a still enjoyable 16.8°C (62.2°F). Weather in August »

September, the first month of the autumn, in Colwyn Bay, is also a moderate month, with average temperature varying between 15.3°C (59.5°F) and 11.5°C (52.7°F). In September, the average high-temperature is practically the same as in August - a mild 15.3°C (59.5°F). Weather in September »

October, like September, is another mild autumn month in Colwyn Bay, United Kingdom, with average temperature fluctuating between 13.1°C (55.6°F) and 9.7°C (49.5°F). In Colwyn Bay, the average high-temperature is practically the same as in September - a still moderate 13.1°C (55.6°F). Weather in October »

The last month of the autumn, November, is another chilly month in Colwyn Bay, United Kingdom, with average temperature fluctuating between 6.9°C (44.4°F) and 9.8°C (49.6°F). In November, the average high-temperature slightly decreases, from a moderate 13.1°C (55.6°F) in October, to a chilly 9.8°C (49.6°F). Weather in November »

December, the first month of the winter, in Colwyn Bay, is also a frosty month, with average temperature ranging between min 5.3°C (41.5°F) and max 8°C (46.4°F). In December, the average high-temperature is practically the same as in November - a still frosty 8°C (46.4°F). Weather in December »

What is the coldest month in Colwyn Bay?

With an average high-temperature of 6.8°C (44.2°F) and an average low-temperature of 3.8°C (38.8°F), January is the coldest month.

What is the most humid month in Colwyn Bay?

Months with the highest humidity are January and August, with an average relative humidity of 85%.

How many days does it rain in Colwyn Bay?

Throughout the year, there are 228.5 rainfall days, and 604mm (23.78") of precipitation is accumulated.

When does it snow in Colwyn Bay?

January through April, November and December are months with snowfall.

How many days does it snow in Colwyn Bay?

In Colwyn Bay, United Kingdom, during the entire year, snow falls for 9 days, and aggregates up to 69mm (2.72") of snow.

What is the month with the lowest UV index in Colwyn Bay?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Colwyn Bay.

What is the snowiest month in Colwyn Bay?

The month with the most snowfall in Colwyn Bay, United Kingdom, is February when snow falls for 3.3 days and typically aggregates up to 21mm (0.83") of snow.

What are the least humid months in Colwyn Bay?

April and May, with an average relative humidity of 81%, are the least humid months.

What is the driest month in Colwyn Bay?

May is the month with the least rainfall. Rain falls for 16.9 days and accumulates 31mm (1.22") of precipitation.

When it does not snow in Colwyn Bay?

In Colwyn Bay, United Kingdom, snow does not fall in May through October.

What are the months with the most sunshine in Colwyn Bay?

Months with the most sunshine in Colwyn Bay, United Kingdom, are May and June, with an average of 7.7h of sunshine.

When is the highest UV index in Colwyn Bay?

May through September, with an average maximum UV index of 4, are months with the highest UV index in Colwyn Bay.

When are the longest days in Colwyn Bay?

The month with the longest days in Colwyn Bay is June, with an average of 16.9h of daylight.

What is the warmest month in Colwyn Bay?

With an average high-temperature of 16.9°C (62.4°F) and an average low-temperature of 12.3°C (54.1°F), July is the warmest month in Colwyn Bay, United Kingdom.

What is the wettest month in Colwyn Bay?

The month with the most rainfall in Colwyn Bay is November when the rain falls for 22.4 days and typically aggregates up to 68mm (2.68") of precipitation.

What is the month with the least sunshine in Colwyn Bay?

November has the least sunshine of the year in Colwyn Bay, United Kingdom, with an average of 3.6h of sunshine.

What is the month with the shortest days in Colwyn Bay?

The month with the shortest days is December, with an average of 7.6h of daylight.
Average temperature - Colwyn Bay, United Kingdom
Average humidity - Colwyn Bay, United Kingdom
Average rainfall - Colwyn Bay, United Kingdom
Average rainfall days - Colwyn Bay, United Kingdom

The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is February (15.8 days).

Average snowfall - Colwyn Bay, United Kingdom
Average snowfall days - Colwyn Bay, United Kingdom

The month with the highest number of snowfall days is February (3.3 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine - Colwyn Bay, United Kingdom

The month with the longest days is June (Average daylight: 16.9h).
The month with the shortest days is December (Average daylight: 7.6h).

Months with the most sunshine are May and June (Average sunshine: 7.7h).
The month with the least sunshine is November (Average sunshine: 3.6h).

Average UV index - Colwyn Bay, United Kingdom

Months with the highest UV index are May, June, July, August and September (UV index 4).
Months with the lowest UV index are January, February, March, November and December (UV index 2).