Is Jersey sunnier than Saint Peter Port?

They are nearly tied: Jersey gets about 1,930 hours of sunshine a year and Saint Peter Port about 1,931.

Which is warmer, Jersey or Saint Peter Port?

Year-round daytime highs are similar: Jersey averages 13°C (55°F), Saint Peter Port 13°C (55°F).

Which is better in winter (November–February), Jersey or Saint Peter Port?

They are close in the November–February window: Jersey averages 11/100 (about 10°C days), Saint Peter Port 13/100 (about 10°C).

Which has the warmer sea, Jersey or Saint Peter Port?

Jersey — its sea peaks at about 19°C (66°F) versus 18°C.

Jersey vs Saint Peter Port: which is sunnier?

🇯🇪 Jersey vs 🇬🇬 Guernsey · 39 km apart · long-term climate normals (NASA POWER, 2001–2020)

Jersey and Saint Peter Port are virtually tied for annual sunshine — about 1,930 vs 1,931 hours a year. Jersey has the higher Sunshine Score in 5 of 12 months, Saint Peter Port in 2 (5 within 2 points).

Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.

At a glance

	Jersey	Saint Peter Port
Sunshine hours / year	1,930	1,931
Sunniest month	July (68/100)	September (61/100)
Nov–Feb average score	11/100	13/100
Jun–Aug average score	63/100	52/100
Rain / year	797 mm	849 mm
Warmest sea	19°C / 66°F	18°C / 64°F
Peak midday UV	6 (high)	6 (high)

Jersey vs Saint Peter Port month by month

Month	Sunshine Score		Day high °C		Rain mm		Sea °C
Month	Jersey	Saint Peter Port	Jersey	Saint Peter Port	Jersey	Saint Peter Port	Jersey	Saint Peter Port
January	6	6	9°	9°	86	96	9°	11°
February	0	6	8°	9°	74	79	10°	10°
March	7	6	9°	9°	62	69	10°	10°
April	20	14	11°	10°	46	47	11°	11°
May	34	27	13°	12°	51	51	14°	13°
June	54	41	16°	14°	47	47	17°	15°
July	68	54	18°	16°	47	47	18°	17°
August	67	60	18°	17°	52	54	19°	18°
September	61	61	17°	17°	45	47	19°	17°
October	43	42	15°	15°	88	96	16°	16°
November	24	29	12°	13°	101	110	14°	15°
December	12	12	10°	10°	98	106	11°	13°

The sunnier month by month: Jan even · Feb Saint Peter Port · Mar even · Apr Jersey · May Jersey · Jun Jersey · Jul Jersey · Aug Jersey · Sep even · Oct even · Nov Saint Peter Port · Dec even.

When to pick which

November–February: too close to call — Jersey averages 11/100, Saint Peter Port 13/100. Daytime highs are similar (10°C vs 10°C). See the winter sun ranking.
March–May: Jersey (average score 20/100 vs 16). Daytime highs are similar (11°C vs 10°C).
June–August: Jersey (average score 63/100 vs 52). Daytime highs are similar (17°C vs 16°C).
September–October: too close to call — Jersey averages 52/100, Saint Peter Port 52/100. Daytime highs are similar (16°C vs 16°C).

Sea temperature

Jersey's sea gets warmer: 19°C / 66°F at its peak vs 18°C. Swimmable water (21°C+): Jersey never, Saint Peter Port never. Month-by-month sea temperatures are in the table above.

Full month-by-month guides: Jersey weather by month · Saint Peter Port weather by month.

More comparisons: Jersey vs Nantes · Jersey vs Rennes · Jersey vs Caen · Saint Peter Port vs Caen · Saint Peter Port vs Brest · Saint Peter Port vs Exeter · all head-to-heads