Climate and monthly weather forecast
Conwy, United Kingdom

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Weather in January

January, like December, is a frosty winter month in Conwy, United Kingdom, with an average temperature fluctuating between 3.8°C (38.8°F) and 6.8°C (44.2°F). January is the month when Conwy, United Kingdom, sees the lowest average temperatures, with a high of 6.8°C (44.2°F) and a low of 3.8°C (38.8°F). Weather in January »

Weather in February

The last month of the winter, February, is also a frosty month in Conwy, United Kingdom, with temperature in the range of an average low of 3.9°C (39°F) and an average high of 7.1°C (44.8°F). The average high-temperature during February registers at a still frosty 7.1°C (44.8°F), closely corresponding to the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is also a frosty month in Conwy, United Kingdom, with an average temperature varying between 4.3°C (39.7°F) and 8.3°C (46.9°F). As March unfolds, the average high-temperature reaches a still chilly 8.3°C (46.9°F), hinting at a slight fluctuation from the previous month. Weather in March »

Weather in April

April in Conwy, United Kingdom, is a fresh spring month, with an average temperature ranging between max 10.5°C (50.9°F) and min 5.9°C (42.6°F). In April, Conwy experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 8.3°C (46.9°F) in March to a fresh 10.5°C (50.9°F). Weather in April »

Weather in May

May, the last month of the spring in Conwy, is another cool month, with temperature in the range of an average high of 12.9°C (55.2°F) and an average low of 8.1°C (46.6°F). The commencement of May brings an average high-temperature of a still cool 12.9°C (55.2°F), marking an inconsequential divergence from April. Weather in May »

Weather in June

The first month of the summer, June, is a mild month in Conwy, United Kingdom, with an average temperature ranging between min 10.6°C (51.1°F) and max 15.4°C (59.7°F). June's average high-temperature is a mild 15.4°C (59.7°F), maintaining a close comparison with May's 12.9°C (55.2°F). Weather in June »

Weather in July

July is a refreshing summer month in Conwy, United Kingdom, with an average temperature fluctuating between 16.9°C (62.4°F) and 12.3°C (54.1°F). July, with average temperatures reaching a high of 16.9°C (62.4°F) and a low of 12.3°C (54.1°F), is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is also an enjoyable month in Conwy, United Kingdom, with temperature in the range of an average low of 12.8°C (55°F) and an average high of 16.8°C (62.2°F). Conwy's weather in August displays an average high-temperature of a still comfortable 16.8°C (62.2°F), showing minor disparity from July's 16.9°C (62.4°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a mild month in Conwy, United Kingdom, with an average temperature fluctuating between 15.3°C (59.5°F) and 11.5°C (52.7°F). Upon the beginning of September, Conwy's high-temperatures register at a mild 15.3°C (59.5°F), closely mirroring the preceding month. Weather in September »

Weather in October

October, like September, is another mild autumn month in Conwy, United Kingdom, with temperature in the range of an average low of 9.7°C (49.5°F) and an average high of 13.1°C (55.6°F). Conwy's weather in October, with an average high-temperature of a still refreshing 13.1°C (55.6°F), subtly shifts from September's 15.3°C (59.5°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Conwy, United Kingdom, with an average temperature fluctuating between 9.8°C (49.6°F) and 6.9°C (44.4°F). Conwy's November weather features a light decline in high-temperatures, reducing from a moderate 13.1°C (55.6°F) in October to a chilly 9.8°C (49.6°F). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Conwy, United Kingdom, with an average temperature varying between 5.3°C (41.5°F) and 8°C (46.4°F). The shift into December finds Conwy at an average high-temperature of a still frosty 8°C (46.4°F), closely comparable to November's conditions. Weather in December »
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Frequently asked questions

What part of the year is the coldest in Conwy?

January tends to be the coldest month, with temperatures averaging a daily high of 6.8°C (44.2°F) and a low of 3.8°C (38.8°F).

What are the most humid months in Conwy?

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

How much does it rain in Conwy?

In Conwy, during the entire year, the rain falls for 228.5 days and collects up to 604mm (23.78") of precipitation.

When does it snow in Conwy?

Months with snowfall in Conwy are January through April, November and December.

How many days does it snow in Conwy?

Throughout the year, in Conwy, United Kingdom, there are 9 snowfall days, and 69mm (2.72") of snow is accumulated.

What is the month with the lowest UV index in Conwy?

The months with the lowest UV index in Conwy, United Kingdom, are January through March, November and December, with an average maximum UV index of 2.

When does it snow the most in Conwy?

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

When is the sea coldest in Conwy?

February and March, with an average sea temperature of 7.7°C (45.9°F), are months with the coldest seawater in Conwy, United Kingdom.

What is the least humid month in Conwy?

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

What is the driest month in Conwy?

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

When it does not snow in Conwy?

May through October are months without snowfall.

What is the month with the most sunshine in Conwy?

The months with the most sunshine are May and June, with an average of 7.7h of sunshine.

What are the months with the highest UV index in Conwy?

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

When are the longest days in Conwy?

With an average of 16h and 54min of daylight, June has the longest days of the year.

What month is the hottest in Conwy?

Conwy's temperatures peak on average in July, reaching 16.9°C (62.4°F) at their highest and 12.3°C (54.1°F) at their lowest.

What month is the sea warmest in Conwy?

August is the month with the warmest seawater in Conwy, with an average sea temperature of 16.3°C (61.3°F).

When is Daylight Saving Time (DST) in Conwy?

On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Conwy, and the time zone changes from BST to GMT. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to BST.

What is the rainiest month in Conwy?

The month with the most rainfall 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 Conwy?

With an average of 3.6h of sunshine, November has the least sunshine of the year in Conwy.

What is the month with the shortest days in Conwy?

With an average of 7h and 36min of daylight, December has the shortest days of the year.

Average temperature
Conwy, United Kingdom

Average temperature - Conwy, United Kingdom

The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (6.8°C).

The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).

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Average pressure
Conwy, United Kingdom

Average pressure - Conwy, United Kingdom

The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).

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Average wind speed
Conwy, United Kingdom

Average wind speed - Conwy, United Kingdom

The windiest month (with the highest average wind speed) is December (23.8km/h).
The calmest month (with the lowest average wind speed) is June (14.4km/h).

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Average humidity
Conwy, United Kingdom

Average humidity - Conwy, United Kingdom

The months with the highest relative humidity are January and August (85%).
The months with the lowest relative humidity are April and May (81%).

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Average rainfall
Conwy, United Kingdom

Average rainfall - Conwy, United Kingdom

The wettest month (with the highest rainfall) is November (68mm).
The driest month (with the least rainfall) is May (31mm).

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Average rainfall days
Conwy, United Kingdom

Average rainfall days - Conwy, 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).

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Average snowfall
Conwy, United Kingdom

Average snowfall - Conwy, United Kingdom

The month with the highest snowfall is February (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days
Conwy, United Kingdom

Average snowfall days - Conwy, United Kingdom

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

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Average sea temperature
Conwy, United Kingdom

Average sea temperature - Conwy, United Kingdom

The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest months (with the lowest average sea temperature) are February and March (7.7°C).

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Average daylight / Average sunshine
Conwy, United Kingdom

Average daylight / Average sunshine - Conwy, United Kingdom

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

The months with the most sunshine are May and June (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).

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Average sunshine days
Conwy, United Kingdom

Average sunshine days - Conwy, United Kingdom

The months with the most sunshine days are March and May (11 days).
The month with the least sunshine days is November (5.2 days).

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Average UV index
Conwy, United Kingdom

Average UV index - Conwy, United Kingdom

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

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Average visibility
Conwy, United Kingdom

Average visibility - Conwy, United Kingdom

The months with the highest visibility are March, September and October (10km).
The months with the lowest visibility are January, February, April, May, June, July, August, November and December (9km).

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Conwy, United Kingdom

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