The lowest average daily sun hours in the United Kingdom typically occur in January and December. The highest daily sun hours recorded since 2015 was in May 2020, at an average of 9.7 hours per day. In comparison, May 2023 saw 7.3 hours of daily sunshine.
High levels of monthly sunlight in 2018
Since 2014, the pattern of total monthly hours of sunlight remained relatively similar up until 2018. That year there was a noticeable increase in sunlight hours in May, June and July – with May recording 241 hours of sunlight. The following year the pattern returned to normal, but a significant increase was again recorded in 2020.
Annual sun hours
The average annual number of daily sun hours in the UK has remained above four hours per day since 2001, but has not increased above five. Daily sun hours were highest in 2003 at 4.9 hours per day. The following years saw sun hours remain at a similar level, until figures increased again to 4.9 hours in 2022.
Monthly average daily sun hours in the United Kingdom from 2015 to 2023
(in hours per day)
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GOV.UK. (January 25, 2024). Monthly average daily sun hours in the United Kingdom from 2015 to 2023 (in hours per day) [Graph]. In Statista. Retrieved July 22, 2024, from https://www.statista.com/statistics/322602/monthly-average-daily-sun-hours-in-the-united-kingdom-uk/
GOV.UK. "Monthly average daily sun hours in the United Kingdom from 2015 to 2023 (in hours per day)." Chart. January 25, 2024. Statista. Accessed July 22, 2024. https://www.statista.com/statistics/322602/monthly-average-daily-sun-hours-in-the-united-kingdom-uk/
GOV.UK. (2024). Monthly average daily sun hours in the United Kingdom from 2015 to 2023 (in hours per day). Statista. Statista Inc.. Accessed: July 22, 2024. https://www.statista.com/statistics/322602/monthly-average-daily-sun-hours-in-the-united-kingdom-uk/
GOV.UK. "Monthly Average Daily Sun Hours in The United Kingdom from 2015 to 2023 (in Hours per Day)." Statista, Statista Inc., 25 Jan 2024, https://www.statista.com/statistics/322602/monthly-average-daily-sun-hours-in-the-united-kingdom-uk/
GOV.UK, Monthly average daily sun hours in the United Kingdom from 2015 to 2023 (in hours per day) Statista, https://www.statista.com/statistics/322602/monthly-average-daily-sun-hours-in-the-united-kingdom-uk/ (last visited July 22, 2024)
Monthly average daily sun hours in the United Kingdom from 2015 to 2023 (in hours per day) [Graph], GOV.UK, January 25, 2024. [Online]. Available: https://www.statista.com/statistics/322602/monthly-average-daily-sun-hours-in-the-united-kingdom-uk/