Cardiff vs Exeter: which is sunnier?
🇬🇧 United Kingdom vs 🇬🇧 United Kingdom · 74 km apart · long-term climate normals (NASA POWER, 2001–2020)
Exeter is the sunnier overall: about 1,796 hours of sunshine a year to Cardiff's 1,565. Exeter has the higher Sunshine Score in 5 of 12 months, Cardiff in 4 (3 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
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At a glance
| Cardiff | Exeter | |
|---|---|---|
| Sunshine hours / year | 1,565 | 1,796 |
| Sunniest month | July (73/100) | July (71/100) |
| Nov–Feb average score | 4/100 | 10/100 |
| Jun–Aug average score | 71/100 | 66/100 |
| Rain / year | 966 mm | 980 mm |
| Warmest sea | 18°C / 64°F | 18°C / 64°F |
| Peak midday UV | 5 (moderate) | 5 (moderate) |
Cardiff vs Exeter month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Cardiff | Exeter | Cardiff | Exeter | Cardiff | Exeter | Cardiff | Exeter | |
| January | 0 | 6 | 7° | 9° | 94 | 105 | 8° | 10° |
| February | 0 | 0 | 7° | 8° | 73 | 81 | 9° | 10° |
| March | 6 | 6 | 9° | 9° | 70 | 77 | 9° | 10° |
| April | 32 | 26 | 13° | 12° | 56 | 59 | 11° | 11° |
| May | 50 | 39 | 16° | 14° | 67 | 60 | 14° | 15° |
| June | 68 | 58 | 19° | 17° | 72 | 62 | 16° | 16° |
| July | 73 | 71 | 20° | 19° | 80 | 64 | 17° | 16° |
| August | 72 | 69 | 20° | 19° | 84 | 78 | 18° | 17° |
| September | 63 | 66 | 18° | 18° | 63 | 56 | 17° | 18° |
| October | 35 | 40 | 14° | 15° | 100 | 110 | 15° | 16° |
| November | 17 | 23 | 11° | 12° | 103 | 114 | 13° | 14° |
| December | 0 | 11 | 8° | 10° | 104 | 114 | 10° | 12° |
The sunnier month by month: Jan Exeter · Feb even · Mar even · Apr Cardiff · May Cardiff · Jun Cardiff · Jul even · Aug Cardiff · Sep Exeter · Oct Exeter · Nov Exeter · Dec Exeter.
When to pick which
- November–February: Exeter (average score 10/100 vs 4). Exeter is the warmer, around 10°C daytime highs vs 8°C. See the winter sun ranking.
- March–May: Cardiff (average score 29/100 vs 24). Daytime highs are similar (13°C vs 12°C).
- June–August: Cardiff (average score 71/100 vs 66). Cardiff is the warmer, around 20°C daytime highs vs 18°C.
- September–October: Exeter (average score 53/100 vs 49). Daytime highs are similar (16°C vs 17°C).
Sea temperature
Both seas peak at 18°C / 64°F. Swimmable water (21°C+): Cardiff never, Exeter never. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Cardiff weather by month · Exeter weather by month · Best time to visit United Kingdom.
More comparisons: Cardiff vs Bristol · Cardiff vs Bournemouth · Cardiff vs Newquay · Exeter vs Bristol · Exeter vs Bournemouth · Exeter vs Newquay · all head-to-heads