Londonderry
United Kingdom
Long-term weather forecast
Long-term weather forecast
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July weather forecast and Climate
Londonderry, United Kingdom

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  • The average high temperature in July: 18.9°C

The warmest month (with the highest average high temperature) is July (18.9°C).
Months with the lowest average high temperature are January and December (8°C).

  • The average low temperature in July: 11.6°C

The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).

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  • The average rainfall in July: 66.1mm

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

  • The average rainfall days in July: 13 days

The month with the highest number of rainy days is November (19 days).
The month with the lowest number of rainy days is June (11 days).

  • The average sea temperature in July: 13.9°C

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).

  • The average daylight in July: 17h

Months with the longest days are June and July (Average daylight: 17h).
The month with shortest days is December (Average daylight: 7h).

  • The average sunshine in July: 4.5h

The month with most sunshine is May (Average sunshine: 6.5h).
The month with least sunshine is December (Average sunshine: 1.2h).

  • The average UV index in July: 6

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January and December (UV index 0).

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