The amount of monthly rainfall in Northern Ireland varies from year to year. During the period in consideration, the lowest rainfall levels were recorded in April 2021 at just **** millimeters. Meanwhile, the most rainfall occurred in February 2020, when millimeters fell. In that same month, there were ****rain days recorded, an unusually high number for February. A rain day is when there is a total of 1 mm or more of rain in a day.
Seasonal rainfall
Since 2010,***has been on average the wettest season in Northern Ireland. In 2023, however, * was the wettest season, with roughly ***Â mm of rainfall. That year, winter was the driest season, with *** mm of rainfall.Â
Regional rainfall
When compared to the rest of the UK, Northern Ireland receives less rain than both Scotland and Wales, but more than England. In 2024, the country experienced* mm of rainfall. In comparison, Scotland and Wales received and *mm, respectively. This is due to the Scottish Highlands high levels of rain and Wales’ location in comparison to the Atlantic Ocean.
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Met Office. (October 1, 2025). Total monthly rainfall in Northern Ireland from 2015 to 2025 (in millimeters) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/610095/monthly-rainfall-in-northern-ireland/
Met Office. "Total monthly rainfall in Northern Ireland from 2015 to 2025 (in millimeters)." Chart. October 1, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/610095/monthly-rainfall-in-northern-ireland/
Met Office. (2025). Total monthly rainfall in Northern Ireland from 2015 to 2025 (in millimeters). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/610095/monthly-rainfall-in-northern-ireland/
Met Office. "Total Monthly Rainfall in Northern Ireland from 2015 to 2025 (in Millimeters)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Oct 2025, /statistics/610095/monthly-rainfall-in-northern-ireland/
Met Office, Total monthly rainfall in Northern Ireland from 2015 to 2025 (in millimeters) ÌÇÐÄÆƽâ°æ, /statistics/610095/monthly-rainfall-in-northern-ireland/ (last visited July 25, 2026)
Total monthly rainfall in Northern Ireland from 2015 to 2025 (in millimeters) [Graph], Met Office, October 1, 2025. [Online]. Available: /statistics/610095/monthly-rainfall-in-northern-ireland/
