Is Porto Alegre sunnier than Montevideo?

Montevideo is the sunnier: about 2,791 hours of sunshine a year versus 2,283 — a difference of 508 hours.

Which is warmer, Porto Alegre or Montevideo?

Porto Alegre is warmer across the year: average daytime highs of 24°C (75°F) versus 19°C.

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

Montevideo scores better across November–February: 78/100 average versus 72, with daytime highs around 25°C.

Porto Alegre vs Montevideo: which is sunnier?

🇧🇷 Brazil vs 🇺🇾 Uruguay · 705 km apart · long-term climate normals (NASA POWER, 2001–2020)

Montevideo is the sunnier overall: about 2,791 hours of sunshine a year to Porto Alegre's 2,283. Porto Alegre has the higher Sunshine Score in 5 of 12 months, Montevideo in 4 (3 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	Montevideo
Sunshine hours / year	2,283	2,791
Sunniest month	April (74/100)	December (80/100)
Nov–Feb average score	72/100	78/100
Jun–Aug average score	65/100	35/100
Rain / year	1,446 mm	1,184 mm
Peak midday UV	10 (very high)	12 (extreme)

Porto Alegre vs Montevideo month by month

Month	Sunshine Score		Day high °C		Rain mm
Month	Porto Alegre	Montevideo	Porto Alegre	Montevideo	Porto Alegre	Montevideo
January	70	77	30°	26°	120	102
February	73	76	30°	25°	103	106
March	73	74	28°	24°	103	118
April	74	75	26°	20°	98	114
May	72	60	21°	17°	112	84
June	66	39	19°	14°	113	98
July	59	26	19°	12°	149	92
August	71	40	20°	14°	116	89
September	65	45	22°	15°	157	96
October	65	64	24°	18°	155	103
November	72	78	26°	22°	110	96
December	72	80	28°	25°	110	86

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

When to pick which

November–February: Montevideo (average score 78/100 vs 72). Porto Alegre is the warmer, around 29°C daytime highs vs 25°C.
March–May: Porto Alegre (average score 73/100 vs 70). Porto Alegre is the warmer, around 25°C daytime highs vs 20°C.
June–August: Porto Alegre (average score 65/100 vs 35). Porto Alegre is the warmer, around 19°C daytime highs vs 13°C.
September–October: Porto Alegre (average score 65/100 vs 55). Porto Alegre is the warmer, around 23°C daytime highs vs 17°C.

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

More comparisons: Porto Alegre vs Florianópolis · Porto Alegre vs Chapecó · Porto Alegre vs Navegantes · Montevideo vs Buenos Aires (Ezeiza) · Montevideo vs Rosario · all head-to-heads