How many sunny days does Słupsk have per year?

Słupsk averages approximately 139 sunny days per year, based on historical climate data.

What is the air quality in Słupsk?

Słupsk has an annual PM2.5 concentration of 9.2 µg/m³, classified as "Good" by WHO standards. Within WHO interim target 4. Low health risk for most people.

Pomerania

Słupsk · Poland

A city in Poland.

Small city

83K

19 km²

18m

05:59 UTC+1

PLN

Explore on map →Climate twin →

Słupsk, Poland is a 83K-resident city with 139 sunny days and 34 frost days annually and an annual PM2.5 of 9.2 µg/m³. A city in Poland.

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Climate

Feels-like °C

-11

-9

-3

-10

Dinner outside

Climate Lab·Słupsk

Monthly climate metrics across temperature, precipitation, wind, and UV.

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Metric	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Temperature
Daily high°C	6	7	9	12	17	22	23	23	20	15	10	7	14
Daily mean°C	3	4	4	7	12	17	18	20	16	11	6	3	10
Daily low°C	0	1	0	3	8	14	16	16	13	8	2	-1	7
Thermal comfort
High feelsDaily high feels-like°C	-2	1	9	16	21	28	27	28	23	14	6	-3	14
Mean feelsDaily mean feels-like°C	-11	-9	-3	3	12	19	19	21	13	4	-3	-10	5
Low feelsDaily low feels-like°C	-18	-18	-14	-10	2	11	11	12	5	-3	-12	-19	-4
Humidity
HumidityRelative humidity%	88	83	81	74	74	73	73	73	78	83	87	89	80
Dewpoint°C	0.1	0.9	1.1	2.3	7.6	12.7	13.2	14.5	12.4	8.0	4.3	0.9	6.5
Precipitation
Rainfallmm	82	80	52	34	59	50	89	54	64	104	93	52	813
Rain days≥1mm	13	20	12	9	12	10	18	11	12	17	15	11	160
Snowfallmm	7	10	1	0	0	0	0	0	0	0	2	13	32
Snow days≥1mm	3	4	0	0	0	0	0	0	0	0	0	5	12
Wind
Wind avgm/s	6.5	6.2	4.8	4.9	4.4	4.0	4.5	3.8	4.3	5.5	5.3	5.7	5.0
Wind gustsm/s	10.2	11.6	9.5	9.1	7.8	7.1	8.1	7.9	8.6	9.5	9.8	9.3	9.0
Sun & UV
Sunshinehrs/day	0.0	4.5	7.2	9.8	11.2	11.7	11.1	10.0	8.5	4.9	1.0	0.0	6.7
Clear skyindex	12%	25%	38%	45%	43%	48%	44%	44%	38%	31%	15%	12%	33%
UV indexmax avg	0.3	0.7	1.5	2.5	4.2	5.1	4.6	4.3	2.7	1.2	0.4	0.3	2.3

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Lifestyle Calendar·Słupsk

Słupsk offers a solid outdoor season. 2 months of the year are perfect for all activities. Even dinner outside manages 3/12 months, while walking is comfortable 12/12 months — impressive.

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Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

3/12

Dinner Outside

0Jan: 0% viability

0Feb: 0% viability

1Mar: 1% viability

13Apr: 13% viability

49May: 49% viability

82Jun: 82% viability

68Jul: 68% viability

77Aug: 77% viability

50Sep: 50% viability

6Oct: 6% viability

0Nov: 0% viability

0Dec: 0% viability

3/12

Dinner Outside

0Jan: 0% viability

0Feb: 0% viability

1Mar: 1% viability

13Apr: 13% viability

49May: 49% viability

82Jun: 82% viability

68Jul: 68% viability

77Aug: 77% viability

50Sep: 50% viability

6Oct: 6% viability

0Nov: 0% viability

0Dec: 0% viability

29%

Cold

4/12

Lunch Outside

0Jan: 0% viability

10Feb: 10% viability

36Mar: 36% viability

50Apr: 50% viability

68May: 68% viability

78Jun: 78% viability

61Jul: 61% viability

67Aug: 67% viability

70Sep: 70% viability

52Oct: 52% viability

18Nov: 18% viability

1Dec: 1% viability

4/12

Lunch Outside

0Jan: 0% viability

10Feb: 10% viability

36Mar: 36% viability

50Apr: 50% viability

68May: 68% viability

78Jun: 78% viability

61Jul: 61% viability

67Aug: 67% viability

70Sep: 70% viability

52Oct: 52% viability

18Nov: 18% viability

1Dec: 1% viability

43%

Cold

12/12

Walking

72Jan: 72% viability

69Feb: 69% viability

89Mar: 89% viability

81Apr: 81% viability

92May: 92% viability

90Jun: 90% viability

87Jul: 87% viability

83Aug: 83% viability

88Sep: 88% viability

83Oct: 83% viability

86Nov: 86% viability

80Dec: 80% viability

12/12

Walking

72Jan: 72% viability

69Feb: 69% viability

89Mar: 89% viability

81Apr: 81% viability

92May: 92% viability

90Jun: 90% viability

87Jul: 87% viability

83Aug: 83% viability

88Sep: 88% viability

83Oct: 83% viability

86Nov: 86% viability

80Dec: 80% viability

83%

Wind

12/12

Running

72Jan: 72% viability

69Feb: 69% viability

89Mar: 89% viability

81Apr: 81% viability

92May: 92% viability

90Jun: 90% viability

87Jul: 87% viability

83Aug: 83% viability

88Sep: 88% viability

83Oct: 83% viability

86Nov: 86% viability

80Dec: 80% viability

12/12

Running

72Jan: 72% viability

69Feb: 69% viability

89Mar: 89% viability

81Apr: 81% viability

92May: 92% viability

90Jun: 90% viability

87Jul: 87% viability

83Aug: 83% viability

88Sep: 88% viability

83Oct: 83% viability

86Nov: 86% viability

80Dec: 80% viability

83%

Wind

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Słupsk · Poland

Climate

Climate Lab·Słupsk

Lifestyle Calendar·Słupsk

Air Quality Profile

Air Quality Profile

Who thrives in Słupsk

Frequently asked about Słupsk

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