Is St. John's sunnier than Charlottetown?

Charlottetown is the sunnier: about 1,705 hours of sunshine a year versus 1,457 — a difference of 248 hours.

Which is warmer, St. John's or Charlottetown?

Charlottetown is warmer across the year: average daytime highs of 9°C (48°F) versus 6°C.

Which is better in winter (November–February), St. John's or Charlottetown?

They are close in the November–February window: St. John's averages 0/100 (about 1°C days), Charlottetown 0/100 (about 0°C).

Which has the warmer sea, St. John's or Charlottetown?

Charlottetown — its sea peaks at about 23°C (73°F) versus 16°C.

St. John's vs Charlottetown: which is sunnier?

🇨🇦 Canada vs 🇨🇦 Canada · 800 km apart · long-term climate normals (NASA POWER, 2001–2020)

Charlottetown is the sunnier overall: about 1,705 hours of sunshine a year to St. John's's 1,457. Charlottetown has the higher Sunshine Score in 6 of 12 months; the other 6 are within 2 points.

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

At a glance

	St. John's	Charlottetown
Sunshine hours / year	1,457	1,705
Sunniest month	August (53/100)	July (73/100)
Nov–Feb average score	0/100	0/100
Jun–Aug average score	33/100	63/100
Rain / year	1,301 mm	1,209 mm
Warmest sea	16°C / 61°F	23°C / 73°F
Peak midday UV	6 (high)	6 (high)

St. John's vs Charlottetown month by month

Month	Sunshine Score		Day high °C		Rain mm		Sea °C
Month	St. John's	Charlottetown	St. John's	Charlottetown	St. John's	Charlottetown	St. John's	Charlottetown
January	0	0	-1°	-3°	127	93	2°	-1°
February	0	0	-1°	-4°	105	94	0°	-1°
March	0	0	-1°	0°	117	87	0°	1°
April	0	0	2°	5°	90	92	1°	5°
May	0	12	5°	10°	90	86	3°	10°
June	6	46	9°	16°	86	103	8°	17°
July	41	73	15°	21°	93	83	13°	21°
August	53	71	17°	21°	90	94	16°	23°
September	34	58	14°	18°	104	104	16°	19°
October	10	22	10°	12°	131	121	12°	14°
November	0	0	5°	6°	128	123	8°	6°
December	0	0	2°	1°	140	129	5°	1°

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

When to pick which

November–February: too close to call — St. John's averages 0/100, Charlottetown 0/100. Daytime highs are similar (1°C vs 0°C). See the winter sun ranking.
March–May: Charlottetown (average score 4/100 vs 0). Charlottetown is the warmer, around 5°C daytime highs vs 2°C.
June–August: Charlottetown (average score 63/100 vs 33). Charlottetown is the warmer, around 19°C daytime highs vs 14°C.
September–October: Charlottetown (average score 40/100 vs 22). Charlottetown is the warmer, around 15°C daytime highs vs 12°C.

Sea temperature

Charlottetown's sea gets warmer: 23°C / 73°F at its peak vs 16°C. Swimmable water (21°C+): St. John's never, Charlottetown about 2 months a year. Month-by-month sea temperatures are in the table above.

Full month-by-month guides: St. John's weather by month · Charlottetown weather by month · Best time to visit Canada.

More comparisons: St. John's vs Halifax · St. John's vs Goose Bay · Charlottetown vs Halifax · Charlottetown vs Moncton · Charlottetown vs Fredericton · all head-to-heads