Glasgow vs Belfast: which is sunnier?
🇬🇧 United Kingdom vs 🇬🇧 United Kingdom · 140 km apart · long-term climate normals (NASA POWER, 2001–2020)
Glasgow and Belfast are virtually tied for annual sunshine — about 1,304 vs 1,263 hours a year. Belfast has the higher Sunshine Score in 1 of 12 months; the other 11 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Glasgow | Belfast | |
|---|---|---|
| Sunshine hours / year | 1,304 | 1,263 |
| Sunniest month | July (55/100) | July (56/100) |
| Nov–Feb average score | 1/100 | 2/100 |
| Jun–Aug average score | 53/100 | 54/100 |
| Rain / year | 1,268 mm | 1,068 mm |
| Peak midday UV | 4 (moderate) | 4 (moderate) |
Glasgow vs Belfast month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Glasgow | Belfast | Glasgow | Belfast | Glasgow | Belfast | |
| January | 0 | 0 | 6° | 6° | 127 | 93 |
| February | 0 | 0 | 6° | 7° | 96 | 74 |
| March | 0 | 0 | 8° | 8° | 86 | 76 |
| April | 18 | 19 | 11° | 11° | 69 | 62 |
| May | 36 | 36 | 14° | 14° | 81 | 77 |
| June | 51 | 52 | 17° | 17° | 96 | 90 |
| July | 55 | 56 | 18° | 18° | 111 | 99 |
| August | 53 | 55 | 18° | 18° | 123 | 106 |
| September | 45 | 47 | 16° | 16° | 99 | 82 |
| October | 21 | 27 | 12° | 13° | 131 | 109 |
| November | 5 | 6 | 9° | 9° | 124 | 105 |
| December | 0 | 0 | 7° | 7° | 125 | 95 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May even · Jun even · Jul even · Aug even · Sep even · Oct Belfast · Nov even · Dec even.
When to pick which
- November–February: too close to call — Glasgow averages 1/100, Belfast 2/100. Daytime highs are similar (7°C vs 7°C). See the winter sun ranking.
- March–May: too close to call — Glasgow averages 18/100, Belfast 18/100. Daytime highs are similar (11°C vs 11°C).
- June–August: too close to call — Glasgow averages 53/100, Belfast 54/100. Daytime highs are similar (18°C vs 18°C).
- September–October: Belfast (average score 37/100 vs 33). Daytime highs are similar (14°C vs 15°C).
Full month-by-month guides: Glasgow weather by month · Belfast weather by month · Best time to visit United Kingdom.
More comparisons: Glasgow vs Glasgow · Glasgow vs Newcastle upon Tyne · Glasgow vs Edinburgh · Belfast vs Glasgow · Belfast vs Dublin · Belfast vs Castletown · all head-to-heads