Northern Ireland climate by month
8-year averages · when to visit| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belfast | 7° | 8° | 9° | 12° | 15° | 17° | 19° | 18° | 16° | 13° | 10° | 8° |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belfast | 12 | 14 | 16 | 13 | 14 | 15 | 17 | 18 | 15 | 16 | 15 | 15 |
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
Belfast climate in July
8-year averages · when to visit
| June | July | August | |
|---|---|---|---|
| Average temperature | ▲ 14°C | 15°C | → 15°C |
| Typical high | ▲ 17°C | 19°C | ▼ 18°C |
| Typical low | ▲ 11°C | 12°C | → 12°C |
| Precipitation | ▲ 86 mm | 95 mm | ▲ 108 mm |
| Wet days | ▲ 15 d | 17 d | ▲ 18 d |
| Humidity | ▲ 78% | 80% | → 80% |
| Sunshine per day | ▼ 11.0 h | 9.9 h | ▼ 9.6 h |
| Cloud cover | ▲ 36% | 40% | ▼ 36% |
| Midday UV | → 9 | 9 | ▼ 7 |
| Daylight | 17:10 | 16:38 | 14:51 |
| Our take | Acceptable | Acceptable | Acceptable |
July temperatures day by day daily mean + smoothed trend · °C
July precipitation day by day mm
July UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
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NBM + global weather models
Updated: 10:58 AM
Northern Ireland, United Kingdom · 7 weather points · Climate reference: Belfast (54.60°N, 5.93°W) · Europe/London