Is Gdańsk sunnier than Bydgoszcz?

They are nearly tied: Gdańsk gets about 1,636 hours of sunshine a year and Bydgoszcz about 1,598.

Which is warmer, Gdańsk or Bydgoszcz?

Bydgoszcz is warmer across the year: average daytime highs of 13°C (55°F) versus 10°C.

Which is better in winter (November–February), Gdańsk or Bydgoszcz?

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

Gdańsk vs Bydgoszcz: which is sunnier?

🇵🇱 Poland vs 🇵🇱 Poland · 146 km apart · long-term climate normals (NASA POWER, 2001–2020)

Gdańsk and Bydgoszcz are virtually tied for annual sunshine — about 1,636 vs 1,598 hours a year. Bydgoszcz has the higher Sunshine Score in 5 of 12 months; the other 7 are within 2 points.

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

At a glance

	Gdańsk	Bydgoszcz
Sunshine hours / year	1,636	1,598
Sunniest month	August (75/100)	September (79/100)
Nov–Feb average score	0/100	0/100
Jun–Aug average score	70/100	75/100
Rain / year	714 mm	616 mm
Peak midday UV	5 (moderate)	5 (moderate)

Gdańsk vs Bydgoszcz month by month

Month	Sunshine Score		Day high °C		Rain mm
Month	Gdańsk	Bydgoszcz	Gdańsk	Bydgoszcz	Gdańsk	Bydgoszcz
January	0	0	0°	0°	58	46
February	0	0	1°	2°	42	35
March	0	0	4°	7°	44	38
April	7	41	9°	14°	36	33
May	39	70	14°	19°	55	65
June	64	76	18°	23°	58	62
July	72	73	20°	25°	86	82
August	75	76	21°	25°	71	64
September	57	79	17°	20°	63	50
October	19	33	11°	13°	67	50
November	0	0	6°	6°	69	44
December	0	0	2°	2°	65	47

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

When to pick which

November–February: too close to call — Gdańsk averages 0/100, Bydgoszcz 0/100. Daytime highs are similar (2°C vs 3°C). See the winter sun ranking.
March–May: Bydgoszcz (average score 37/100 vs 15). Bydgoszcz is the warmer, around 13°C daytime highs vs 9°C.
June–August: Bydgoszcz (average score 75/100 vs 70). Bydgoszcz is the warmer, around 24°C daytime highs vs 20°C.
September–October: Bydgoszcz (average score 56/100 vs 38). Bydgoszcz is the warmer, around 17°C daytime highs vs 14°C.

Full month-by-month guides: Gdańsk weather by month · Bydgoszcz weather by month · Best time to visit Poland.

More comparisons: Gdańsk vs Poznań · Gdańsk vs Kaliningrad · Bydgoszcz vs Warsaw · Bydgoszcz vs Łódź · Bydgoszcz vs Poznań · all head-to-heads