The climate in the United Kingdom

Average daytime and nighttime temperatures

All climate diagrams on this page result from the collected data of 28 weather stations.
All data correspond to the average monthly values of the last 20 years.
Back to overview: United Kingdom
Climate zone: The northern part of the United Kingdom is located in the cold polar zone of the Arctic. The southern areas in the temperate climatic zone.
It rarely gets really warm here. The warmest and rainiest part of the country is England. The coldest is Scotland. Due to the warmer temperatures the best time for traveling is from June to September. Less attractive are the cold months from November to March.
Duration of daylight and sunshine in the United Kingdom
Compare climate with other regions or countries
Hours of sunshine per daySunshine hours per day in the United Kingdom
Rainy days per monthRainy days per month in the United Kingdom
Precipitation in mm/dayPrecipitation in the United Kingdom
Water temperatureWater temperatures in the United Kingdom
Relative humidity in %Relative humidity in the United Kingdom
Absolute humidity in g/m³Absolute humidity in the United Kingdom

Regions in the United Kingdom

All figures per year. For detailed climate data click on the name of the region.
max Ø day
min Ø night
England13.9 °C7.3 °C1,497 h133 865 l
Northern Ireland12.6 °C7.1 °C1,314 h175 1,000 l
Scotland11.7 °C5.9 °C1,205 h170 1,044 l
Wales13.2 °C7.5 °C1,497 h143 840 l

Temperature records of the last 73 years

The hottest temperature measured from 1949 to September 2022 was reported by the Waddington weather station. In July 2022 the record temperature of 40.3 °C was reported here. The hottest summer from July to September, based on all 31 weather stations in the United Kingdom , was recorded in 2006 with an average temperature of 16.4 °C. This average temperature will normally be measured every 4 to 6 hours, thus also including the nights. Normally, this value is 14.5 degrees Celsius. The average maximum daily temperature at that time was 20.0 °C.
The coldest day in these 73 years was reported by the weather station Aberdeen Dyce. Here the temperature dropped to -15.2 °C in February 2021. Aberdeen Dyce lies at an altitude of 65 meters above sea level. The coldest winter (January to March) was in 1963 with an average temperature of 2.1 °C. In the United Kingdom, it is usual to have about 3.1 degrees more at 5.2 °C for this three-month period.
The most precipitation fell in July 2015. With 322.5 mm per day, the Lyneham weather station recorded the highest monthly average of the last 73 years. Incidentally, the region with the most rainfall for the whole year is around Tiree. The driest region is near Kew.

Long-term development of temperatures from 1951 - 2021

In contrast to single record values, a long-term development cannot simply be brought about by all weather stations in the country. Both the number and the locations are constantly changing. A simply calculated average value would give a falsified result. If several measuring stations in particularly cold mountain or coastal regions are added in one year, the average would already decrease as a result of this alone. If a station fails during the summer or winter months, it does not provide any values and falsifies the average again. The subsequent long-term development was therefore reduced to only 3 measuring points in order to have actually comparable data over as long a period as possible.
In the years 1951 to 2021 there were only these 3 weather stations in the whole country, which reported continuous temperature values (Stornoway, Belfast, Lerwick). From these weather reports we have created a long-term development that shows the monthly average temperatures. The hottest month in this entire period was August 1997 with 15.5 °C. February 1969 was the coldest month with an average temperature of 1.1 °C.
The average annual temperature was about 8.1 °C in the years after 1951 and about 9.1 °C in the last years before 2021. So in less than 71 years it has increased by about 0.9 °C. This trend only applies to the selected 3 weather stations in the United Kingdom. A considerably more comprehensive evaluation of the global warming has been provided separately.
Long-term development of temperatures in the United Kingdom

Data basis and methodology

The data of the individual measuring stations are based on the archives of the German Weather Service, individual values averaged and supplemented by own elements. In order to determine a representative national average, average values were first calculated for each part of the country, which were then summarized at the national level. Thus, if a disproportionate number of weather stations are located in a small area, their number does not affect the national average.
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