Is Charleston sunnier than Savannah?

Charleston is the sunnier: about 2,712 hours of sunshine a year versus 2,596 — a difference of 116 hours.

Which is warmer, Charleston or Savannah?

Year-round daytime highs are similar: Charleston averages 24°C (75°F), Savannah 25°C (77°F).

Which is better in winter (November–February), Charleston or Savannah?

Savannah scores better across November–February: 63/100 average versus 57, with daytime highs around 17°C.

Charleston vs Savannah: which is sunnier?

🇺🇸 United States vs 🇺🇸 United States · 139 km apart · long-term climate normals (NASA POWER, 2001–2020)

Charleston is the sunnier overall: about 2,712 hours of sunshine a year to Savannah's 2,596. Savannah has the higher Sunshine Score in 3 of 12 months, Charleston in 1 (8 within 2 points).

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

At a glance

	Charleston	Savannah
Sunshine hours / year	2,712	2,596
Sunniest month	November (82/100)	November (84/100)
Nov–Feb average score	57/100	63/100
Jun–Aug average score	68/100	66/100
Rain / year	1,245 mm	1,151 mm
Peak midday UV	9 (very high)	8 (very high)

Charleston vs Savannah month by month

Month	Sunshine Score		Day high °C		Rain mm
Month	Charleston	Savannah	Charleston	Savannah	Charleston	Savannah
January	42	48	14°	15°	61	62
February	53	60	16°	17°	84	75
March	80	79	20°	21°	84	82
April	80	80	24°	25°	82	76
May	78	78	28°	29°	92	89
June	69	67	31°	31°	140	149
July	68	63	32°	33°	147	131
August	67	67	31°	32°	171	160
September	73	75	29°	30°	119	103
October	76	78	25°	26°	105	89
November	82	84	20°	20°	69	53
December	52	59	16°	17°	91	82

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

When to pick which

November–February: Savannah (average score 63/100 vs 57). Daytime highs are similar (17°C vs 17°C). See the winter sun ranking.
March–May: too close to call — Charleston averages 79/100, Savannah 79/100. Daytime highs are similar (24°C vs 25°C).
June–August: too close to call — Charleston averages 68/100, Savannah 66/100. Daytime highs are similar (31°C vs 32°C).
September–October: too close to call — Charleston averages 75/100, Savannah 77/100. Daytime highs are similar (27°C vs 28°C).

Full month-by-month guides: Charleston weather by month · Savannah weather by month · Best time to visit United States.

More comparisons: Charleston vs Columbia · Charleston vs Myrtle Beach · Savannah vs Jacksonville · Savannah vs Augusta · all head-to-heads