Is Toronto sunnier than Rochester?

Toronto is the sunnier: about 1,957 hours of sunshine a year versus 1,838 — a difference of 119 hours.

Which is warmer, Toronto or Rochester?

Rochester is warmer across the year: average daytime highs of 14°C (57°F) versus 11°C.

Which is better in winter (November–February), Toronto or Rochester?

They are close in the November–February window: Toronto averages 0/100 (about 2°C days), Rochester 2/100 (about 3°C).

Toronto vs Rochester: which is sunnier?

🇨🇦 Canada vs 🇺🇸 United States · 170 km apart · long-term climate normals (NASA POWER, 2001–2020)

Toronto is the sunnier overall: about 1,957 hours of sunshine a year to Rochester's 1,838. Month by month it's balanced: each has the higher Sunshine Score in 4 months, with 4 within 2 points.

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

At a glance

	Toronto	Rochester
Sunshine hours / year	1,957	1,838
Sunniest month	August (79/100)	May (74/100)
Nov–Feb average score	0/100	2/100
Jun–Aug average score	77/100	72/100
Rain / year	774 mm	947 mm
Peak midday UV	7 (high)	7 (high)

Toronto vs Rochester month by month

Month	Sunshine Score		Day high °C		Rain mm
Month	Toronto	Rochester	Toronto	Rochester	Toronto	Rochester
January	0	0	-1°	-1°	54	58
February	0	0	-1°	0°	49	56
March	0	0	3°	5°	53	62
April	0	31	8°	13°	71	78
May	38	74	14°	20°	73	85
June	77	72	20°	25°	71	93
July	76	71	24°	28°	75	98
August	79	74	24°	28°	59	86
September	78	74	21°	24°	66	86
October	32	47	13°	16°	74	100
November	0	6	7°	9°	66	69
December	0	0	2°	2°	63	76

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

When to pick which

November–February: too close to call — Toronto averages 0/100, Rochester 2/100. Daytime highs are similar (2°C vs 3°C). See the winter sun ranking.
March–May: Rochester (average score 35/100 vs 13). Rochester is the warmer, around 13°C daytime highs vs 8°C.
June–August: Toronto (average score 77/100 vs 72). Rochester is the warmer, around 27°C daytime highs vs 23°C.
September–October: Rochester (average score 61/100 vs 55). Rochester is the warmer, around 20°C daytime highs vs 17°C.

Full month-by-month guides: Toronto weather by month · Rochester weather by month · Best time to visit Canada · Best time to visit United States.

More comparisons: Toronto vs Buffalo · Toronto vs Waterloo · Rochester vs Buffalo · Rochester vs Syracuse · Rochester vs Waterloo · all head-to-heads