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Belfast — weather in January, water temperature

6.7°C Daytime temperatures 4°C Night temperatures 4 Sunny days 7.4-8.8 Sun (hours) 5 Rainy days 67.4 mm Precipitation 8.4°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 13.5°C — 7 January 2020.
The maximum night temperature 12°C — 1 January 2022.
The minimum daily temperature -1.5°C — 22 January 2013.
The minimum night temperature -4°C — 25 January 2021.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012
The warmest water 10.1 °C — 1 January 2017. The coldest water 5.8 °C — 6 January 2021.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 94.5 mm — August. Minimum precipitation 51.4 mm — April.
Wind speed, km / h
Maximum wind speed 21.7 km / h — February. Minimum wind speed 13.4 km / h — July.
Number of hours of sunshine
The maximum number of hours of sunshine per day 6.7 h. — May. The minimum number of hours of sunshine per day 2.7 h. — December.
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