Dublin vs Shannon: which is sunnier?
🇮🇪 Ireland vs 🇮🇪 Ireland · 195 km apart · long-term climate normals (NASA POWER, 2001–2020)
Dublin and Shannon are virtually tied for annual sunshine — about 1,488 vs 1,468 hours a year. Shannon has the higher Sunshine Score in 11 of 12 months; the other 1 is within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Dublin | Shannon | |
|---|---|---|
| Sunshine hours / year | 1,488 | 1,468 |
| Sunniest month | July (60/100) | July (64/100) |
| Nov–Feb average score | 3/100 | 7/100 |
| Jun–Aug average score | 56/100 | 63/100 |
| Rain / year | 982 mm | 1,091 mm |
| Peak midday UV | 5 (moderate) | 5 (moderate) |
Dublin vs Shannon month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Dublin | Shannon | Dublin | Shannon | Dublin | Shannon | |
| January | 0 | 0 | 7° | 8° | 86 | 104 |
| February | 0 | 6 | 7° | 9° | 70 | 81 |
| March | 6 | 12 | 9° | 10° | 70 | 77 |
| April | 19 | 31 | 11° | 13° | 61 | 68 |
| May | 37 | 49 | 14° | 16° | 67 | 76 |
| June | 49 | 60 | 16° | 18° | 76 | 83 |
| July | 60 | 64 | 18° | 19° | 80 | 92 |
| August | 59 | 64 | 18° | 19° | 91 | 96 |
| September | 49 | 54 | 16° | 17° | 76 | 82 |
| October | 28 | 34 | 13° | 14° | 102 | 101 |
| November | 11 | 16 | 10° | 11° | 106 | 119 |
| December | 0 | 6 | 8° | 9° | 97 | 112 |
The sunnier month by month: Jan even · Feb Shannon · Mar Shannon · Apr Shannon · May Shannon · Jun Shannon · Jul Shannon · Aug Shannon · Sep Shannon · Oct Shannon · Nov Shannon · Dec Shannon.
When to pick which
- November–February: Shannon (average score 7/100 vs 3). Daytime highs are similar (8°C vs 9°C). See the winter sun ranking.
- March–May: Shannon (average score 31/100 vs 21). Shannon is the warmer, around 13°C daytime highs vs 11°C.
- June–August: Shannon (average score 63/100 vs 56). Shannon is the warmer, around 19°C daytime highs vs 17°C.
- September–October: Shannon (average score 44/100 vs 39). Daytime highs are similar (15°C vs 16°C).
Full month-by-month guides: Dublin weather by month · Shannon weather by month · Best time to visit Ireland.
More comparisons: Dublin vs Belfast · Dublin vs Cork · Dublin vs Castletown · Shannon vs Cork · Shannon vs Charlestown · all head-to-heads