Is Caen sunnier than Saint Peter Port?

Saint Peter Port is the sunnier: about 1,931 hours of sunshine a year versus 1,829 — a difference of 102 hours.

Which is warmer, Caen or Saint Peter Port?

Caen is warmer across the year: average daytime highs of 15°C (59°F) versus 13°C.

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

Saint Peter Port scores better across November–February: 13/100 average versus 5, with daytime highs around 10°C.

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

Caen — its sea peaks at about 21°C (70°F) versus 18°C.

Caen vs Saint Peter Port: which is sunnier?

🇫🇷 France vs 🇬🇬 Guernsey · 158 km apart · long-term climate normals (NASA POWER, 2001–2020)

Saint Peter Port is the sunnier overall: about 1,931 hours of sunshine a year to Caen's 1,829. Caen has the higher Sunshine Score in 8 of 12 months, Saint Peter Port in 4.

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

At a glance

	Caen	Saint Peter Port
Sunshine hours / year	1,829	1,931
Sunniest month	June (80/100)	September (61/100)
Nov–Feb average score	5/100	13/100
Jun–Aug average score	79/100	52/100
Rain / year	746 mm	849 mm
Warmest sea	21°C / 70°F	18°C / 64°F
Peak midday UV	6 (high)	6 (high)

Caen vs Saint Peter Port month by month

Month	Sunshine Score		Day high °C		Rain mm		Sea °C
Month	Caen	Saint Peter Port	Caen	Saint Peter Port	Caen	Saint Peter Port	Caen	Saint Peter Port
January	0	6	8°	9°	69	96	8°	11°
February	0	6	8°	9°	58	79	9°	10°
March	20	6	11°	9°	59	69	10°	10°
April	47	14	15°	10°	45	47	12°	11°
May	65	27	18°	12°	59	51	15°	13°
June	80	41	21°	14°	53	47	17°	15°
July	79	54	23°	16°	57	47	19°	17°
August	78	60	23°	17°	60	54	21°	18°
September	80	61	20°	17°	48	47	18°	17°
October	50	42	16°	15°	77	96	16°	16°
November	19	29	11°	13°	79	110	13°	15°
December	0	12	8°	10°	82	106	10°	13°

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

When to pick which

November–February: Saint Peter Port (average score 13/100 vs 5). Daytime highs are similar (9°C vs 10°C). See the winter sun ranking.
March–May: Caen (average score 44/100 vs 16). Caen is the warmer, around 15°C daytime highs vs 10°C.
June–August: Caen (average score 79/100 vs 52). Caen is the warmer, around 22°C daytime highs vs 16°C.
September–October: Caen (average score 65/100 vs 52). Caen is the warmer, around 18°C daytime highs vs 16°C.

Sea temperature

Caen's sea gets warmer: 21°C / 70°F at its peak vs 18°C. Swimmable water (21°C+): Caen about 1 month a year, Saint Peter Port never. Month-by-month sea temperatures are in the table above.

Full month-by-month guides: Caen weather by month · Saint Peter Port weather by month · Best time to visit France.

More comparisons: Caen vs Paris (Roissy-en-France, Val-d'Oise) · Caen vs Rennes · Caen vs Jersey · Saint Peter Port vs Brest · Saint Peter Port vs Exeter · Saint Peter Port vs Jersey · all head-to-heads