Is Exeter sunnier than Saint Peter Port?

Saint Peter Port is the sunnier: about 1,931 hours of sunshine a year versus 1,796 — a difference of 135 hours.

Which is warmer, Exeter or Saint Peter Port?

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

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

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

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

Both peak at about 18°C (64°F); month-by-month sea temperatures for both are on this page.

Exeter vs Saint Peter Port: which is sunnier?

🇬🇧 United Kingdom vs 🇬🇬 Guernsey · 156 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 Exeter's 1,796. Exeter has the higher Sunshine Score in 6 of 12 months, Saint Peter Port in 2 (4 within 2 points).

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

At a glance

	Exeter	Saint Peter Port
Sunshine hours / year	1,796	1,931
Sunniest month	July (71/100)	September (61/100)
Nov–Feb average score	10/100	13/100
Jun–Aug average score	66/100	52/100
Rain / year	980 mm	849 mm
Warmest sea	18°C / 64°F	18°C / 64°F
Peak midday UV	5 (moderate)	6 (high)

Exeter vs Saint Peter Port month by month

Month	Sunshine Score		Day high °C		Rain mm		Sea °C
Month	Exeter	Saint Peter Port	Exeter	Saint Peter Port	Exeter	Saint Peter Port	Exeter	Saint Peter Port
January	6	6	9°	9°	105	96	10°	11°
February	0	6	8°	9°	81	79	10°	10°
March	6	6	9°	9°	77	69	10°	10°
April	26	14	12°	10°	59	47	11°	11°
May	39	27	14°	12°	60	51	15°	13°
June	58	41	17°	14°	62	47	16°	15°
July	71	54	19°	16°	64	47	16°	17°
August	69	60	19°	17°	78	54	17°	18°
September	66	61	18°	17°	56	47	18°	17°
October	40	42	15°	15°	110	96	16°	16°
November	23	29	12°	13°	114	110	14°	15°
December	11	12	10°	10°	114	106	12°	13°

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

When to pick which

November–February: Saint Peter Port (average score 13/100 vs 10). Daytime highs are similar (10°C vs 10°C). See the winter sun ranking.
March–May: Exeter (average score 24/100 vs 16). Exeter is the warmer, around 12°C daytime highs vs 10°C.
June–August: Exeter (average score 66/100 vs 52). Exeter is the warmer, around 18°C daytime highs vs 16°C.
September–October: too close to call — Exeter averages 53/100, Saint Peter Port 52/100. Daytime highs are similar (17°C vs 16°C).

Sea temperature

Both seas peak at 18°C / 64°F. Swimmable water (21°C+): Exeter never, Saint Peter Port never. Month-by-month sea temperatures are in the table above.

Full month-by-month guides: Exeter weather by month · Saint Peter Port weather by month · Best time to visit United Kingdom.

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