Climate and monthly weather forecast
Isle of Lewis, United Kingdom

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Weather in January

January, the same as December, in Isle of Lewis, United Kingdom, is a frosty winter month, with an average temperature ranging between min 2°C (35.6°F) and max 7°C (44.6°F). The coldest period falls in January, February and December, when the average high-temperature reaches 7°C (44.6°F). Weather in January »

Weather in February

February, the last month of the winter in Isle of Lewis, is also a frosty month, with an average temperature varying between 7°C (44.6°F) and 2°C (35.6°F). Isle of Lewis experiences lowest temperatures, averaging a high-temperature of 7°C (44.6°F) during January, February and December. Weather in February »

Weather in March

March, the first month of the spring in Isle of Lewis, is still a chilly month, with an average temperature ranging between min 2°C (35.6°F) and max 8°C (46.4°F). Stepping into March, Isle of Lewis records an average high-temperature of a still frosty 8°C (46.4°F), almost consistent with February. Weather in March »

Weather in April

April is a fresh spring month in Isle of Lewis, United Kingdom, with an average temperature varying between 10°C (50°F) and 3°C (37.4°F). Shifting into April, Isle of Lewis records an average high-temperature of a fresh 10°C (50°F), presenting minor fluctuations compared to the previous month. Weather in April »

Weather in May

May, the last month of the spring in Isle of Lewis, is also a fresh month, with an average temperature fluctuating between 12°C (53.6°F) and 6°C (42.8°F). May's presence records an average high-temperature of a still fresh 12°C (53.6°F), closely mirroring April's climate. Weather in May »

Weather in June

The first month of the summer, June, is a mild month in Isle of Lewis, United Kingdom, with an average temperature fluctuating between 8°C (46.4°F) and 14°C (57.2°F). Isle of Lewis's average high-temperature marks a refreshing 14°C (57.2°F) with the advent of June, closely mirroring that of the preceding month. Weather in June »

Weather in July

July in Isle of Lewis, United Kingdom, is a refreshing summer month, with an average temperature varying between 10°C (50°F) and 16°C (60.8°F). Isle of Lewis's peak temperatures tend to occur in July and August, with an average high-temperature of 16°C (60.8°F). Weather in July »

Weather in August

August, the last month of the summer in Isle of Lewis, is another comfortable month, with an average temperature ranging between max 16°C (60.8°F) and min 10°C (50°F). During July and August, Isle of Lewis experiences its peak temperatures, averaging a high-temperature of 16°C (60.8°F). Weather in August »

Weather in September

September, the first month of the autumn in Isle of Lewis, is still a refreshing month, with an average temperature ranging between max 14°C (57.2°F) and min 8°C (46.4°F). The beginning of September records an average high-temperature of a still refreshing 14°C (57.2°F), almost echoing the conditions of the previous month. Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Isle of Lewis, United Kingdom, with an average temperature ranging between max 12°C (53.6°F) and min 6°C (42.8°F). October's onset records an average high-temperature of a cool 12°C (53.6°F), a near match to September's 14°C (57.2°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Isle of Lewis, United Kingdom, with an average temperature varying between 9°C (48.2°F) and 4°C (39.2°F). With November's onset, the weather reveals a slight temperature decrease, transitioning from a fresh 12°C (53.6°F) in October to a chilly 9°C (48.2°F). Weather in November »

Weather in December

December, the first month of the winter in Isle of Lewis, is still a chilly month, with an average temperature varying between 7°C (44.6°F) and 2°C (35.6°F). The months of January, February and December bring the lowest temperatures, averaging a high of 7°C (44.6°F). Weather in December »
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Frequently asked questions

What is the coldest time of year in Isle of Lewis?

The coldest period, with an average high-temperature of 7°C (44.6°F), falls in January, February and December.

How much does it rain in Isle of Lewis?

During the entire year, Isle of Lewis aggregates up to 1197mm (47.13") of precipitation.

When is the sea coldest in Isle of Lewis?

March is the month with the coldest seawater, with an average sea temperature of 7.6°C (45.7°F).

What is the driest month in Isle of Lewis?

May is the month with the least rainfall in Isle of Lewis, with 62mm (2.44") of accumulated precipitation.

What month has the most sunshine in Isle of Lewis?

May has the most sunshine of the year in Isle of Lewis, United Kingdom, with an average of 6.2h of sunshine.

When are the longest days in Isle of Lewis?

June has the longest days of the year in Isle of Lewis, United Kingdom, with an average of 18h and 6min of daylight.

What are the warmest months in Isle of Lewis?

July and August represent the warmest period in Isle of Lewis, United Kingdom, with an average high-temperature of 16°C (60.8°F).

When is the sea warmest in Isle of Lewis?

With an average sea temperature of 13.3°C (55.9°F), August is the month with the warmest seawater.

When is Daylight Saving Time (DST) in Isle of Lewis?

On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Isle of Lewis, 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 Isle of Lewis?

December is the month with the most rainfall in Isle of Lewis, with 136mm (5.35") of accumulated precipitation.

What is the month with the shortest days in Isle of Lewis?

With an average of 6h and 30min of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Isle of Lewis?

December has the least sunshine of the year in Isle of Lewis, with an average of 0.8h of sunshine.

Average temperature
Isle of Lewis, United Kingdom

Average temperature - Isle of Lewis, United Kingdom

The warmest months (with the highest average high temperature) are July and August (16°C).
The months with the lowest average high temperature are January, February and December (7°C).

The months with the highest average low temperature are July and August (10°C).
The coldest months (with the lowest average low temperature) are January, February, March and December (2°C).

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Average rainfall
Isle of Lewis, United Kingdom

Average rainfall - Isle of Lewis, United Kingdom

The wettest month (with the highest rainfall) is December (135.8mm).
The driest month (with the least rainfall) is May (61.9mm).

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Average sea temperature
Isle of Lewis, United Kingdom

Average sea temperature - Isle of Lewis, United Kingdom

The best month for swimming (with the highest average sea temperature) is August (13.3°C).
The coldest month (with the lowest average sea temperature) is March (7.6°C).

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Average daylight / Average sunshine
Isle of Lewis, United Kingdom

Average daylight / Average sunshine - Isle of Lewis, United Kingdom

The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 30min).

The month with the most sunshine is May (Average sunshine: 6h and 12min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).

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Isle of Lewis, United Kingdom

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