Historical Ranked Monthly Data - Sun Hours / hrs
| Top monthly total |
| Rank |
Value |
Date |
| 1 |
306 |
May 2020 |
| 2 |
263 |
Jul 2018 |
| 3 |
260 |
Jun 2025 |
| 4 |
256 |
Jul 2013 |
| 5 |
253 |
Jun 2023 |
| 6 |
243 |
May 2018 |
| 7 |
237 |
Apr 2020 |
| 8 |
235 |
Apr 2025 |
| 9 |
234 |
Aug 2022 |
| 10 |
233 |
Jun 2018 |
| 11 |
229 |
Apr 2026 |
| 12 |
228 |
Aug 2025 |
| 13 |
226 |
May 2026 |
| 14 |
224 |
Jul 2022 |
| 15 |
224 |
May 2025 |
| 16 |
219 |
Jul 2014 |
| 17 |
218 |
Jun 2010 |
| 18 |
218 |
May 2011 |
| 19 |
216 |
Apr 2011 |
| 20 |
216 |
Jun 2026 |
| 21 |
214 |
Jun 2022 |
| 22 |
214 |
Jun 2014 |
| 23 |
205 |
Apr 2010 |
| 24 |
205 |
Aug 2019 |
| 25 |
204 |
Jun 2024 |
| Bottom monthly total |
| Rank |
Value |
Date |
| 1 |
21 |
Dec 2024 |
| 2 |
28 |
Dec 2023 |
| 3 |
29 |
Dec 2010 |
| 4 |
29 |
Dec 2021 |
| 5 |
31 |
Jul 2026 |
| 6 |
36 |
Nov 2015 |
| 7 |
39 |
Jan 2011 |
| 8 |
40 |
Dec 2015 |
| 9 |
40 |
Feb 2011 |
| 10 |
41 |
Feb 2026 |
| 11 |
41 |
Jan 2013 |
| 12 |
41 |
Feb 2017 |
| 13 |
46 |
Mar 2023 |
| 14 |
47 |
Jan 2021 |
| 15 |
47 |
Feb 2024 |
| 16 |
50 |
Mar 2013 |
| 17 |
52 |
Feb 2010 |
| 18 |
52 |
Dec 2020 |
| 19 |
53 |
Dec 2013 |
| 20 |
55 |
Dec 2018 |
| 21 |
56 |
Jan 2010 |
| 22 |
57 |
Jan 2018 |
| 23 |
57 |
Jan 2016 |
| 24 |
57 |
Feb 2013 |
| 25 |
58 |
Dec 2016 |
Sun Hours monthly extremes: highest and lowest monthly totals.
There are 211 valid months for the chosen period from 2009 to present in London, NW3.
| Top monthly count |
| Rank |
Value |
Date |
| 1 |
31 |
May 2026 |
| 2 |
31 |
Mar 2026 |
| 3 |
31 |
Jan 2026 |
| 4 |
31 |
Dec 2025 |
| 5 |
31 |
Oct 2025 |
| 6 |
31 |
Aug 2025 |
| 7 |
31 |
Jul 2025 |
| 8 |
31 |
May 2025 |
| 9 |
31 |
Mar 2025 |
| 10 |
31 |
Dec 2024 |
| 11 |
31 |
Oct 2024 |
| 12 |
31 |
Aug 2024 |
| 13 |
31 |
Jul 2024 |
| 14 |
31 |
May 2024 |
| 15 |
31 |
Mar 2024 |
| 16 |
31 |
Jan 2024 |
| 17 |
31 |
Dec 2023 |
| 18 |
31 |
Oct 2023 |
| 19 |
31 |
Aug 2023 |
| 20 |
31 |
Jul 2023 |
| 21 |
31 |
May 2023 |
| 22 |
31 |
Mar 2023 |
| 23 |
31 |
Jan 2023 |
| 24 |
31 |
Dec 2022 |
| 25 |
31 |
Oct 2022 |
| Bottom monthly count |
| Rank |
Value |
Date |
| 1 |
3 |
Jul 2026 |
| 2 |
28 |
Feb 2009 |
| 3 |
28 |
Feb 2010 |
| 4 |
28 |
Feb 2011 |
| 5 |
28 |
Feb 2013 |
| 6 |
28 |
Feb 2014 |
| 7 |
28 |
Feb 2015 |
| 8 |
28 |
Feb 2017 |
| 9 |
28 |
Feb 2018 |
| 10 |
28 |
Feb 2019 |
| 11 |
28 |
Feb 2021 |
| 12 |
28 |
Feb 2022 |
| 13 |
28 |
Feb 2023 |
| 14 |
28 |
Feb 2025 |
| 15 |
28 |
Feb 2026 |
| 16 |
29 |
Feb 2012 |
| 17 |
29 |
Feb 2016 |
| 18 |
29 |
Feb 2020 |
| 19 |
29 |
Feb 2024 |
| 20 |
30 |
Apr 2009 |
| 21 |
30 |
Jun 2009 |
| 22 |
30 |
Sep 2009 |
| 23 |
30 |
Nov 2009 |
| 24 |
30 |
Apr 2010 |
| 25 |
30 |
Jun 2010 |
Sun Hours monthly extremes: most and fewest days with a value.
There are 211 valid months for the chosen period from 2009 to present in London, NW3.
| Top monthly lowest |
| Rank |
Value |
Date |
| 1 |
6 |
Jul 2026 |
| 2 |
1 |
Jun 2024 |
| 3 |
1 |
Jul 2022 |
| 4 |
0.5 |
Jul 2025 |
| 5 |
0.5 |
May 2020 |
| 6 |
0.4 |
Jul 2016 |
| 7 |
0.3 |
Aug 2025 |
| 8 |
0.3 |
Jun 2023 |
| 9 |
0.3 |
Aug 2012 |
| 10 |
0.3 |
Jun 2011 |
| 11 |
0.3 |
Jul 2009 |
| 12 |
0.2 |
Jun 2026 |
| 13 |
0.2 |
Jul 2011 |
| 14 |
0.2 |
May 2011 |
| 15 |
0.1 |
May 2026 |
| 16 |
0.1 |
Apr 2026 |
| 17 |
0.1 |
Apr 2025 |
| 18 |
0.1 |
Sep 2023 |
| 19 |
0.1 |
Aug 2023 |
| 20 |
0.1 |
Apr 2023 |
| 21 |
0.1 |
May 2019 |
| 22 |
0.1 |
Jun 2015 |
| 23 |
0.1 |
Mar 2014 |
| 24 |
0.1 |
Jun 2013 |
| 25 |
0.1 |
Jul 2010 |
| Bottom monthly lowest |
| Rank |
Value |
Date |
| 1 |
0 |
Jan 2009 |
| 2 |
0 |
Feb 2009 |
| 3 |
0 |
Mar 2009 |
| 4 |
0 |
Apr 2009 |
| 5 |
0 |
May 2009 |
| 6 |
0 |
Jun 2009 |
| 7 |
0 |
Sep 2009 |
| 8 |
0 |
Oct 2009 |
| 9 |
0 |
Nov 2009 |
| 10 |
0 |
Dec 2009 |
| 11 |
0 |
Jan 2010 |
| 12 |
0 |
Feb 2010 |
| 13 |
0 |
Mar 2010 |
| 14 |
0 |
May 2010 |
| 15 |
0 |
Jun 2010 |
| 16 |
0 |
Aug 2010 |
| 17 |
0 |
Sep 2010 |
| 18 |
0 |
Oct 2010 |
| 19 |
0 |
Nov 2010 |
| 20 |
0 |
Dec 2010 |
| 21 |
0 |
Jan 2011 |
| 22 |
0 |
Feb 2011 |
| 23 |
0 |
Mar 2011 |
| 24 |
0 |
Apr 2011 |
| 25 |
0 |
Aug 2011 |
Sun Hours monthly extremes: highest and lowest monthly minima.
There are 211 valid months for the chosen period from 2009 to present in London, NW3.
| Top monthly highest |
| Rank |
Value |
Date |
| 1 |
15 |
Jun 2020 |
| 2 |
15 |
Jul 2018 |
| 3 |
15 |
Jun 2018 |
| 4 |
15 |
Jun 2026 |
| 5 |
15 |
Jun 2025 |
| 6 |
15 |
Jun 2022 |
| 7 |
15 |
Jun 2021 |
| 8 |
15 |
Jun 2015 |
| 9 |
15 |
Jul 2014 |
| 10 |
15 |
Jun 2010 |
| 11 |
15 |
Jun 2009 |
| 12 |
15 |
Jun 2023 |
| 13 |
15 |
Jul 2013 |
| 14 |
15 |
May 2020 |
| 15 |
15 |
Jul 2025 |
| 16 |
15 |
Jul 2021 |
| 17 |
15 |
Jun 2013 |
| 18 |
15 |
May 2012 |
| 19 |
15 |
Jun 2011 |
| 20 |
15 |
May 2026 |
| 21 |
15 |
May 2017 |
| 22 |
15 |
Jul 2016 |
| 23 |
15 |
May 2010 |
| 24 |
14 |
Jul 2023 |
| 25 |
14 |
Jul 2019 |
| Bottom monthly highest |
| Rank |
Value |
Date |
| 1 |
4 |
Dec 2024 |
| 2 |
4 |
Dec 2010 |
| 3 |
6 |
Nov 2015 |
| 4 |
6 |
Nov 2014 |
| 5 |
6 |
Dec 2015 |
| 6 |
6 |
Oct 2020 |
| 7 |
6 |
Dec 2023 |
| 8 |
6 |
Dec 2011 |
| 9 |
6 |
Jan 2013 |
| 10 |
7 |
Jan 2018 |
| 11 |
7 |
Nov 2009 |
| 12 |
7 |
Dec 2009 |
| 13 |
7 |
Jan 2010 |
| 14 |
7 |
Feb 2010 |
| 15 |
7 |
Feb 2011 |
| 16 |
7 |
Nov 2011 |
| 17 |
7 |
Dec 2012 |
| 18 |
7 |
Dec 2013 |
| 19 |
7 |
Jan 2014 |
| 20 |
7 |
Jan 2016 |
| 21 |
7 |
Dec 2016 |
| 22 |
7 |
Feb 2017 |
| 23 |
7 |
Dec 2018 |
| 24 |
7 |
Dec 2020 |
| 25 |
7 |
Nov 2022 |
Sun Hours monthly extremes: highest and lowest monthly maxima.
There are 211 valid months for the chosen period from 2009 to present in London, NW3.