P11-B Sea weather by month
Averages and records for each calendar month at P11-B Sea, Netherlands, from 2013 to 2026. The warmest month is August, averaging 19.6°C; the coolest is February at 7.9°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 8.3°C | 5.3°C | 12.6°C14 January 2020 | −1.1°C26 January 2017 | 11 / 12 |
| February | 7.9°C | 5.2°C | 13.9°C26 February 2019 | −6.2°C28 February 2018 | 12 / 12 |
| March | 8.7°C | 6.1°C | 19.2°C31 March 2021 | −5.9°C1 March 2018 | 12 / 12 |
| April | 10.4°C | 7.6°C | 20.3°C19 April 2018 | 1.0°C6 April 2021 | 12 / 12 |
| May | 13.2°C | 10.5°C | 22.6°C26 May 2026 | 4.1°C7 May 2021 | 12 / 12 |
| June | 16.0°C | 13.3°C | 24.4°C11 June 2023 | 8.0°C2 June 2013 | 13 / 13 |
| July | 18.2°C | 15.9°C | 26.4°C1 July 2025 | 11.8°C5 July 2023 | 12 / 12 |
| August | 19.6°C | 17.1°C | 27.1°C24 August 2016 | 11.5°C25 August 2018 | 12 / 12 |
| September | 18.2°C | 15.6°C | 27.0°C13 September 2016 | 9.0°C21 September 2018 | 12 / 12 |
| October | 15.6°C | 12.8°C | 21.3°C3 October 2023 | 6.7°C30 October 2018 | 12 / 12 |
| November | 12.1°C | 9.2°C | 17.1°C2 November 2020 | 3.5°C30 November 2023 | 12 / 12 |
| December | 10.0°C | 7.2°C | 14.9°C31 December 2022 | 0.6°C4 December 2014 | 10 / 12 |
Years shows the number behind the average high, then the number holding a record for that month. They differ because a year contributes an average only when the month has at least 25 days of readings, while a single reading is enough to set a record. The average low is withheld on the same 25-day rule and is counted separately again; it is shown as a dash where the archive cannot support it. Across the twelve months here the averages rest on 10 to 13 years each.
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Climate at nearby stations
The closest stations with twelve months of archive of their own, nearest first.
Every figure on this page is computed from NOAA GHCN-Daily observations stored per station, per year, per month. Nothing is modelled, interpolated or estimated, and a month the archive never covered is left out rather than filled in. A station appears here only once all twelve months carry an average from at least 10 years. See how this is built.