Is Rennes sunnier than Jersey?

Jersey is the sunnier: about 1,930 hours of sunshine a year versus 1,848 — a difference of 82 hours.

Which is warmer, Rennes or Jersey?

Rennes is warmer across the year: average daytime highs of 16°C (61°F) versus 13°C.

Which is better in winter (November–February), Rennes or Jersey?

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

Rennes vs Jersey: which is sunnier?

🇫🇷 France vs 🇯🇪 Jersey · 131 km apart · long-term climate normals (NASA POWER, 2001–2020)

Jersey is the sunnier overall: about 1,930 hours of sunshine a year to Rennes's 1,848. Rennes has the higher Sunshine Score in 9 of 12 months, Jersey in 2 (1 within 2 points).

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

At a glance

	Rennes	Jersey
Sunshine hours / year	1,848	1,930
Sunniest month	September (82/100)	July (68/100)
Nov–Feb average score	10/100	11/100
Jun–Aug average score	81/100	63/100
Rain / year	707 mm	797 mm
Peak midday UV	6 (high)	6 (high)

Rennes vs Jersey month by month

Month	Sunshine Score		Day high °C		Rain mm
Month	Rennes	Jersey	Rennes	Jersey	Rennes	Jersey
January	0	6	8°	9°	69	86
February	7	0	9°	8°	58	74
March	26	7	12°	9°	57	62
April	54	20	16°	11°	46	46
May	72	34	19°	13°	58	51
June	80	54	23°	16°	50	47
July	81	68	24°	18°	48	47
August	81	67	24°	18°	47	52
September	82	61	22°	17°	42	45
October	57	43	17°	15°	75	88
November	25	24	12°	12°	77	101
December	6	12	9°	10°	80	98

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

When to pick which

November–February: too close to call — Rennes averages 10/100, Jersey 11/100. Daytime highs are similar (10°C vs 10°C). See the winter sun ranking.
March–May: Rennes (average score 51/100 vs 20). Rennes is the warmer, around 16°C daytime highs vs 11°C.
June–August: Rennes (average score 81/100 vs 63). Rennes is the warmer, around 24°C daytime highs vs 17°C.
September–October: Rennes (average score 70/100 vs 52). Rennes is the warmer, around 20°C daytime highs vs 16°C.

Full month-by-month guides: Rennes weather by month · Jersey weather by month · Best time to visit France.

More comparisons: Rennes vs Nantes · Rennes vs Caen · Rennes vs Brest · Jersey vs Nantes · Jersey vs Caen · Jersey vs Brest · all head-to-heads