Is Porto Alegre sunnier than Florianópolis?

Porto Alegre is the sunnier: about 2,283 hours of sunshine a year versus 2,046 — a difference of 237 hours.

Which is warmer, Porto Alegre or Florianópolis?

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

Which is better in winter (November–February), Porto Alegre or Florianópolis?

Porto Alegre scores better across November–February: 72/100 average versus 64, with daytime highs around 29°C.

Porto Alegre vs Florianópolis: which is sunnier?

🇧🇷 Brazil vs 🇧🇷 Brazil · 363 km apart · long-term climate normals (NASA POWER, 2001–2020)

Porto Alegre is the sunnier overall: about 2,283 hours of sunshine a year to Florianópolis's 2,046. Porto Alegre has the higher Sunshine Score in 5 of 12 months, Florianópolis in 2 (5 within 2 points).

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

At a glance

	Porto Alegre	Florianópolis
Sunshine hours / year	2,283	2,046
Sunniest month	April (74/100)	June (73/100)
Nov–Feb average score	72/100	64/100
Jun–Aug average score	65/100	73/100
Rain / year	1,446 mm	1,569 mm
Peak midday UV	10 (very high)	10 (very high)

Porto Alegre vs Florianópolis month by month

Month	Sunshine Score		Day high °C		Rain mm
Month	Porto Alegre	Florianópolis	Porto Alegre	Florianópolis	Porto Alegre	Florianópolis
January	70	63	30°	29°	120	189
February	73	64	30°	29°	103	146
March	73	65	28°	29°	103	141
April	74	72	26°	27°	98	101
May	72	70	21°	23°	112	114
June	66	73	19°	22°	113	96
July	59	73	19°	21°	149	96
August	71	72	20°	22°	116	103
September	65	63	22°	23°	157	152
October	65	64	24°	25°	155	144
November	72	66	26°	26°	110	134
December	72	63	28°	28°	110	153

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

When to pick which

November–February: Porto Alegre (average score 72/100 vs 64). Daytime highs are similar (29°C vs 28°C).
March–May: Porto Alegre (average score 73/100 vs 69). Daytime highs are similar (25°C vs 26°C).
June–August: Florianópolis (average score 73/100 vs 65). Florianópolis is the warmer, around 22°C daytime highs vs 19°C.
September–October: too close to call — Porto Alegre averages 65/100, Florianópolis 64/100. Daytime highs are similar (23°C vs 24°C).

Full month-by-month guides: Porto Alegre weather by month · Florianópolis weather by month · Best time to visit Brazil.

More comparisons: Porto Alegre vs Montevideo · Porto Alegre vs Chapecó · Porto Alegre vs Navegantes · Florianópolis vs Curitiba · Florianópolis vs Navegantes · all head-to-heads