Is Brest sunnier than Saint Peter Port?

They are nearly tied: Brest gets about 1,927 hours of sunshine a year and Saint Peter Port about 1,931.

Which is warmer, Brest or Saint Peter Port?

Year-round daytime highs are similar: Brest averages 14°C (57°F), Saint Peter Port 13°C (55°F).

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

They are close in the November–February window: Brest averages 12/100 (about 10°C days), Saint Peter Port 13/100 (about 10°C).

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

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

Brest vs Saint Peter Port: which is sunnier?

🇫🇷 France vs 🇬🇬 Guernsey · 172 km apart · long-term climate normals (NASA POWER, 2001–2020)

Brest and Saint Peter Port are virtually tied for annual sunshine — about 1,927 vs 1,931 hours a year. Brest has the higher Sunshine Score in 8 of 12 months, Saint Peter Port in 1 (3 within 2 points).

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

At a glance

	Brest	Saint Peter Port
Sunshine hours / year	1,927	1,931
Sunniest month	July (80/100)	September (61/100)
Nov–Feb average score	12/100	13/100
Jun–Aug average score	75/100	52/100
Rain / year	897 mm	849 mm
Warmest sea	19°C / 66°F	18°C / 64°F
Peak midday UV	6 (high)	6 (high)

Brest vs Saint Peter Port month by month

Month	Sunshine Score		Day high °C		Rain mm		Sea °C
Month	Brest	Saint Peter Port	Brest	Saint Peter Port	Brest	Saint Peter Port	Brest	Saint Peter Port
January	6	6	9°	9°	104	96	10°	11°
February	6	6	9°	9°	87	79	11°	10°
March	19	6	11°	9°	66	69	11°	10°
April	33	14	13°	10°	55	47	12°	11°
May	46	27	15°	12°	56	51	15°	13°
June	67	41	18°	14°	54	47	17°	15°
July	80	54	20°	16°	55	47	17°	17°
August	79	60	20°	17°	59	54	19°	18°
September	75	61	19°	17°	45	47	17°	17°
October	48	42	16°	15°	95	96	15°	16°
November	23	29	12°	13°	111	110	14°	15°
December	12	12	10°	10°	110	106	11°	13°

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

When to pick which

November–February: too close to call — Brest averages 12/100, Saint Peter Port 13/100. Daytime highs are similar (10°C vs 10°C). See the winter sun ranking.
March–May: Brest (average score 33/100 vs 16). Brest is the warmer, around 13°C daytime highs vs 10°C.
June–August: Brest (average score 75/100 vs 52). Brest is the warmer, around 19°C daytime highs vs 16°C.
September–October: Brest (average score 62/100 vs 52). Brest is the warmer, around 18°C daytime highs vs 16°C.

Sea temperature

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

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

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