Detailed Sunshine Data
Current/Latest conditions
Yesterday's Sun
0.7 hrs
Yesterday's % of Max
6.2%
Monthly Sun
98 hrs (-2%)
Annual Sun
1590 hrs (+24%)
Autumn Total
380 hrs (+9%)
Last 12 months: Total Sun Hours
Measure
Aggregation
Overlay
Averages, Extremes, and Records
Recent
| Sunshine | 7-day | Sep | 31-day | Year | 365-day |
| Total | 30 hrs (-12%) |
98 hrs (-2%) |
166 hrs (+2%) |
1590 hrs (+24%) |
1912 hrs (+20%) |
| Sunniest Day |
8 hrs 16th |
12 hrs 5th |
13 hrs 25th |
15 hrs 25th Jun |
15 hrs 25th Jun |
| Sun Days |
6 days | 19 days | 26 days | 232 days | 310 days |
| Dullest Day |
0.7 hrs Yesterday |
0.2 hrs 2nd |
0 hrs 27th |
0 hrs 8th Jan |
0 hrs 26th Sep |
| % of Max | 44% | 44% | 45% | 47% | 44% |
Station Lifetime (2009-2026)
| Sunshine | Overall | Sep (all) | 20th Sep |
| Mean | 4 hrs (-2%) |
5 hrs (-1%) |
4 hrs (-21%) |
| Sunniest Day |
15 hrs 22 Jun 2018 |
12 hrs Day 2, 2018 |
11 hrs 2019 |
| Sun Days |
85% | 93% | 94% |
| Dullest Day |
0 hrs 01 Jan 2009 |
0 hrs Day 7, 2009 |
0 hrs 2016 |
| % of Max | 37% | 42% | 34% |
Record Period Averages
| Measure | 7-day | Monthly | Sep | 31-day | Annual | 365-day |
| Sunniest | 95 hrs 28 May 2026 |
324 hrs Jul 2026 |
202 hrs Sep 2025 |
341 hrs 20 Jul 2026 |
1910 hrs 2025 |
1968 hrs 26 Aug 2026 |
| Dullest | 0 hrs 16 Jan 2010 |
21 hrs Dec 2024 |
98 hrs Current |
17 hrs 04 Jan 2022 |
1323 hrs 2021 |
1229 hrs 16 Apr 2013 |
| Highest % of Max | 96% 12 Aug 2022 |
71% Jul 2026 |
59% Sep 2025 |
77% 15 Aug 2026 |
47% 2026 |
46% 07 Jan 2026 |
| Lowest % of Max | 0% 16 Jan 2010 |
9.8% Dec 2024 |
32% Sep 2013 |
7.7% 04 Jan 2022 |
31% 2024 |
29% 16 Apr 2013 |
Cumulative sunshine vs last year and normal
Past Year Monthly Averages and Extremes (September 2025 - September 2026)
| Month | Total | Sunniest Day |
Sun Days |
Dullest Day |
% of Max |
| Sep 2025 | 202 hrs (+37%) |
11 hrs 25th |
28 days | 0 hrs 17th |
59% |
| Oct 2025 | 98 hrs (-17%) |
9 hrs 6th |
25 days | 0 hrs 3rd |
33% |
| Nov 2025 | 80 hrs (-5%) |
8 hrs 21st |
26 days | 0 hrs 14th |
34% |
| Dec 2025 | 69 hrs (+6%) |
7 hrs 31st |
18 days | 0 hrs 1st |
32% |
| Jan 2026 | 63 hrs (-9%) |
7 hrs 4th |
22 days | 0 hrs 8th |
28% |
| Feb 2026 | 41 hrs (-48%) |
9 hrs 25th |
18 days | 0 hrs 2nd |
16% |
| Mar 2026 | 126 hrs (+11%) |
11 hrs 18th |
24 days | 0 hrs 6th |
38% |
| Apr 2026 | 229 hrs (+42%) |
14 hrs 30th |
30 days | 0.1 hrs 3rd |
61% |
| May 2026 | 226 hrs (+20%) |
15 hrs 27th |
31 days | 0.1 hrs 10th |
51% |
| Jun 2026 | 216 hrs (+11%) |
15 hrs 25th |
30 days | 0.2 hrs 11th |
48% |
| Jul 2026 | 324 hrs (+66%) |
14 hrs 8th |
31 days | 4 hrs 21st |
71% |
| Aug 2026 | 266 hrs (+44%) |
14 hrs 7th |
27 days | 0 hrs 27th |
64% |
| Sep 2026 | 98 hrs (-33%) |
12 hrs 5th |
19 days | 0.2 hrs 2nd |
44% |
View daily tables of
sunshine hours
/ % of max
for the past year
View monthly tables of
sunshine hours
/ % of max
for all months in the station history.
Past Year Seasonal Averages
| Season | Total | Sun Days | % of Max |
| Winter 25/26 | 173 hrs (-18%) |
58 days |
25% |
| Spring 2026 | 581 hrs (+26%) |
85 days |
50% |
| Summer 2026 | 806 hrs (+40%) |
88 days |
61% |
| Autumn 2025 | 380 hrs (+9%) |
79 days |
42% |
Past 31 days and current year cumulative trends for Sunshine
Ranked Historical Sunshine Data
Sunniest Days
| Rank | Total | % of Max |
| 1 | 15 hrs 02 Jul 2018 |
100% 18 Mar 2009 |
| 2 | 15 hrs 26 Jun 2018 |
100% 07 Sep 2021 |
| 3 | 15 hrs 22 Jun 2018 |
100% 17 Nov 2021 |
| 4 | 15 hrs 25 Jun 2018 |
100% 22 Nov 2021 |
| 5 | 15 hrs 24 Jun 2020 |
100% 02 Dec 2021 |
| 6 | 15 hrs 25 Jun 2020 |
100% 29 Sep 2011 |
| 7 | 15 hrs 22 Jun 2020 |
100% 30 Sep 2011 |
| 8 | 15 hrs 03 Jul 2018 |
100% 13 Jun 2021 |
| 9 | 15 hrs 23 Jun 2020 |
100% 15 Oct 2011 |
| 10 | 15 hrs 02 Jun 2009 |
100% 17 Jul 2021 |
Sunniest Months
| Rank | Total | Sun Days | % of Max |
| 1 | 324 hrs Jul 2026 |
31 days Aug 2009 |
71% Jul 2026 |
| 2 | 306 hrs May 2020 |
31 days May 2020 |
69% May 2020 |
| 3 | 266 hrs Aug 2026 |
31 days Jul 2025 |
64% Aug 2026 |
| 4 | 263 hrs Jul 2018 |
31 days Aug 2025 |
63% Apr 2025 |
| 5 | 260 hrs Jun 2025 |
31 days Jul 2010 |
63% Apr 2020 |
| 6 | 256 hrs Jul 2013 |
31 days May 2019 |
61% Apr 2026 |
| 7 | 253 hrs Jun 2023 |
31 days Jul 2011 |
59% Sep 2025 |
| 8 | 243 hrs May 2018 |
31 days May 2011 |
58% Jul 2018 |
| 9 | 237 hrs Apr 2020 |
31 days Aug 2023 |
57% Jun 2025 |
| 10 | 235 hrs Apr 2025 |
31 days Mar 2014 |
57% Apr 2011 |
Dullest Months
| Rank | Total | Sun Days | % of Max |
| 1 | 21 hrs Dec 2024 |
12 days Dec 2010 |
9.8% Dec 2024 |
| 2 | 28 hrs Dec 2023 |
13 days Dec 2021 |
13% Dec 2023 |
| 3 | 29 hrs Dec 2010 |
16 days Dec 2024 |
13% Dec 2021 |
| 4 | 29 hrs Dec 2021 |
17 days Dec 2016 |
13% Dec 2010 |
| 5 | 36 hrs Nov 2015 |
17 days Jan 2013 |
14% Mar 2023 |
| 6 | 39 hrs Jan 2011 |
17 days Feb 2025 |
15% Nov 2015 |
| 7 | 40 hrs Dec 2015 |
17 days Dec 2023 |
15% Mar 2013 |
| 8 | 40 hrs Feb 2011 |
17 days Dec 2017 |
16% Feb 2026 |
| 9 | 41 hrs Feb 2026 |
17 days Feb 2011 |
16% Feb 2011 |
| 10 | 41 hrs Jan 2013 |
18 days Jan 2010 |
16% Feb 2017 |
Sunniest Years
| Rank | Total | Sun Days | % of Max |
| 1 | 1910 hrs 2025 |
327 days 2009 |
47% Current |
| 2 | 1734 hrs 2018 |
323 days 2011 |
45% 2025 |
| 3 | 1730 hrs 2020 |
322 days 2023 |
41% 2018 |
| 4 | 1705 hrs 2022 |
322 days 2014 |
41% 2022 |
| 5 | 1599 hrs 2014 |
316 days 2025 |
40% 2020 |
Dullest Years
| Rank | Total | Sun Days | % of Max |
| 1 | 1323 hrs 2021 |
232 days Current |
31% 2024 |
| 2 | 1326 hrs 2024 |
294 days 2021 |
31% 2021 |
| 3 | 1359 hrs 2013 |
297 days 2024 |
32% 2013 |
| 4 | 1426 hrs 2016 |
301 days 2017 |
33% 2010 |
| 5 | 1434 hrs 2010 |
303 days 2013 |
34% 2015 |
Sunniest Days in September
| Rank | Total | % of Max |
| 1 | 12 hrs Day 2, 2018 |
100% Day 29, 2011 |
| 2 | 12 hrs Day 1, 2010 |
100% Day 29, 2018 |
| 3 | 12 hrs Day 2, 2013 |
100% Day 11, 2016 |
| 4 | 12 hrs Day 5, 2026 |
100% Day 21, 2019 |
| 5 | 12 hrs Day 5, 2012 |
100% Day 25, 2025 |
Sunniest Septembers
| Rank | Total | Sun Days | % of Max |
| 1 | 202 hrs Sep 2025 |
30 days Sep 2023 |
59% Sep 2025 |
| 2 | 188 hrs Sep 2018 |
29 days Sep 2010 |
55% Sep 2018 |
| 3 | 181 hrs Sep 2020 |
29 days Sep 2021 |
53% Sep 2020 |
| 4 | 174 hrs Sep 2012 |
29 days Sep 2018 |
50% Sep 2012 |
| 5 | 164 hrs Sep 2023 |
29 days Sep 2014 |
47% Sep 2023 |
Dullest Septembers
| Rank | Total | Sun Days | % of Max |
| 1 | 98 hrs Current |
19 days Current |
32% Sep 2013 |
| 2 | 111 hrs Sep 2013 |
24 days Sep 2016 |
33% Sep 2017 |
| 3 | 115 hrs Sep 2017 |
25 days Sep 2024 |
34% Sep 2016 |
| 4 | 117 hrs Sep 2016 |
27 days Sep 2009 |
35% Sep 2024 |
| 5 | 120 hrs Sep 2024 |
27 days Sep 2022 |
36% Sep 2022 |
Sunshine hours are counted for each calendar day (midnight to midnight, local time) from daylight webcam imagery, as a fraction of the maximum possible.
Notes
- Sunshine totals are currently only available for prior days because they are computed daily from webcam footage using an image classification model
- Sunshine records at NW3 began in 2009. A long-term series from nearby sites is available from 1910 (use Start year above).
- Figures in brackets refer to departure from average conditions (as a percentage for sunshine)
- Sun days are days with more than 0 hours of sunshine recorded
- % of max is sunshine hours as a percentage of the maximum possible for that period.