Londonderry
United Kingdom
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Londonderry, United Kingdom

January, the same as December, in Londonderry, United Kingdom, is a frosty winter month, with temperature in the range of an average high of 8°C (46.4°F) and an average low of 2.2°C (36°F). January and December, with an average high-temperature of 8°C (46.4°F), are the coldest months. Weather in January »
The last month of the winter, February, is another chilly month in Londonderry, United Kingdom, with average temperature ranging between max 8.2°C (46.8°F) and min 2.1°C (35.8°F). In Londonderry, the average high-temperature is practically the same as in January - a still frosty 8.2°C (46.8°F). Weather in February »

March, the first month of the spring, in Londonderry, is a fresh month, with average temperature varying between 10.1°C (50.2°F) and 3.5°C (38.3°F). In March, the average high-temperature is relatively the same as in February - a fresh 10.1°C (50.2°F). Weather in March »

April, the same as March, is a cool spring month in Londonderry, United Kingdom, with average temperature ranging between min 4.8°C (40.6°F) and max 12.1°C (53.8°F). In April, the average high-temperature is relatively the same as in March - a still cool 12.1°C (53.8°F). Weather in April »

The last month of the spring, May, is a mild month in Londonderry, United Kingdom, with average temperature varying between 7°C (44.6°F) and 15°C (59°F). In Londonderry, the average high-temperature is practically the same as in April - a mild 15°C (59°F). Weather in May »

The first month of the summer, June, is a comfortable month in Londonderry, United Kingdom, with average temperature varying between 17°C (62.6°F) and 9.7°C (49.5°F). In Londonderry, the average high-temperature is relatively the same as in May - an enjoyable 17°C (62.6°F). Weather in June »

July, like June, in Londonderry, United Kingdom, is another enjoyable summer month, with average temperature ranging between max 18.9°C (66°F) and min 11.6°C (52.9°F). With an average high-temperature of 18.9°C (66°F) and an average low-temperature of 11.6°C (52.9°F), July is the warmest month. Weather in July »

August, the last month of the summer, in Londonderry, is another comfortable month, with temperature in the range of an average low of 11.4°C (52.5°F) and an average high of 18.5°C (65.3°F). In August, the average high-temperature is practically the same as in July - a still comfortable 18.5°C (65.3°F). Weather in August »

September, the first month of the autumn, in Londonderry, is also an enjoyable month, with temperature in the range of an average low of 9.8°C (49.6°F) and an average high of 16.7°C (62.1°F). In Londonderry, the average high-temperature in September is practically the same as in August - a still enjoyable 16.7°C (62.1°F). Weather in September »

October, the same as September, in Londonderry, United Kingdom, is a moderate autumn month, with average temperature varying between 7.2°C (45°F) and 13.5°C (56.3°F). In Londonderry, the average high-temperature slightly decreases, from a comfortable 16.7°C (62.1°F) in September, to a mild 13.5°C (56.3°F). Weather in October »

The last month of the autumn, November, is also a fresh month in Londonderry, United Kingdom, with average temperature fluctuating between 4.5°C (40.1°F) and 10.2°C (50.4°F). In Londonderry, the average high-temperature in November slightly decreases, from a mild 13.5°C (56.3°F) in October, to a cool 10.2°C (50.4°F). Weather in November »

December, the first month of the winter, in Londonderry, is also a frosty month, with temperature in the range of an average low of 2.5°C (36.5°F) and an average high of 8°C (46.4°F). The coldest months are January and December, with an average high-temperature of 8°C (46.4°F). Weather in December »

What is the coldest month in Londonderry?

January and December, with an average high-temperature of 8°C (46.4°F), are the coldest months.

How much does it rain in Londonderry?

Throughout the year, there are 170 rainfall days, and 852.7mm (33.6") of precipitation is accumulated.

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

Months with the lowest UV index in Londonderry are January and December, with an average maximum UV index of 0.

What is the month with the coldest sea water in Londonderry?

March is the month with the coldest seawater, with an average sea temperature of 8.7°C (47.7°F).

What is the driest month in Londonderry?

May is the month with the least rainfall. Rain falls for 12 days and accumulates 51.2mm (2") of precipitation.

What month has the most sunshine in Londonderry?

May has the most sunshine of the year in Londonderry, United Kingdom, with an average of 6.5h of sunshine.

When are the longest days in Londonderry?

June has the longest days of the year, with an average of 17.3h of daylight.

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

Months with the highest UV index in Londonderry are June and July, with an average maximum UV index of 6.

What is the warmest month in Londonderry?

The warmest month in Londonderry, United Kingdom, is July, with an average high-temperature of 18.9°C (66°F) and an average low-temperature of 11.6°C (52.9°F).

When is the sea warmest in Londonderry?

The month with the warmest seawater is August, with an average sea temperature of 14.7°C (58.5°F).

What is the wettest month in Londonderry?

The month with the most rainfall in Londonderry, United Kingdom, is October when the rain falls for 16 days and typically aggregates up to 89mm (3.5") of precipitation.

What is the month with the shortest days in Londonderry?

December has the shortest days of the year in Londonderry, with an average of 7.3h of daylight.

What is the month with the least sunshine in Londonderry?

The month with the least sunshine is December, with an average of 1.2h of sunshine.
Average temperature - Londonderry, United Kingdom
Average rainfall - Londonderry, United Kingdom

The wettest month (with the highest rainfall) is October (89mm).
The driest month (with the lowest rainfall) is May (51.2mm).

Average rainfall days - Londonderry, United Kingdom
Average sea temperature - Londonderry, United Kingdom

The best month for swimming (with the highest average sea temperature) is August (14.7°C).
The coldest month (with the lowest average sea temperature) is March (8.7°C).

Average daylight / Average sunshine - Londonderry, United Kingdom