Northern Ireland mean temperature
Northern Ireland mean temperature stood at 14 °C in Sep 2026, according to Met Office — UK climate and HadCET series. It is one of the indicators in the Weather table (Value · Monthly), with a complete series running from Jan 1884 to Sep 2026. The complete series with an interactive chart, free to download.
This indicator in the Weather table
| Indicator | 09-2026 | 08-2026 | 07-2026 | 06-2026 | 05-2026 | 04-2026 | 03-2026 | 02-2026 | 01-2026 | 12-2025 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean temperature | |||||||||||
| Northern Ireland | 14 | 15.2 | 16.4 | 14.6 | 11.7 | 8.6 | 6.8 | 5.5 | 4.1 | 5.9 | |
| United Kingdom | 14.6 | 16.5 | 17.4 | 15.6 | 12 | 9 | 7 | 5.6 | 3.4 | 5.8 |
Understanding northern Ireland mean temperature
Spatial gridding of meteorological station records across Northern Ireland compiles the monthly mean air temperature for the region. The measure integrates daily thermal highs and lows within the defined boundary, excluding adjacent sea areas. Compared with larger territorial counterparts, this series captures the microclimatic traits of a compact island setting influenced by surrounding Atlantic currents. It diverges from peak temperature indicators by recording the central arithmetic mean of the daily thermal cycle.
Seasonal patterns dictate that users must compare current figures against historical equivalents from the same month rather than adjacent months. Early estimates remain provisional and can experience minor revisions during routine data verification. Comparing these statistics directly with mainland regions requires caution due to distinct geographical scales and oceanic influences.
Frequently asked questions
- What geographic scope applies to this series?
- The data is strictly confined to the land boundary of Northern Ireland.
- Are adjacent marine areas factored into the temperature calculation?
- No, surrounding waters are excluded in favour of land-based station grids.
- Do initial estimates change over time?
- Yes, preliminary figures undergo minor revisions as delayed station returns are integrated.