How many sunny days does Třinec have per year?

Třinec averages approximately 131 sunny days per year, based on historical climate data.

What is the air quality in Třinec?

Třinec has an annual PM2.5 concentration of 16.4 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.

Moravskoslezský

Třinec · Czechia

Name: Třinec, Czechia
Address: Třinec, CZ

A city in Czechia.

Small city

38K

312m

08:30 UTC+1

CZK

Explore on map →Climate twin →

Třinec, Czechia is a 38K-resident city with 131 sunny days and 81 frost days annually and an annual PM2.5 of 16.4 µg/m³. A city in Czechia.

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Climate

Feels-like °C

-8

-7

Dinner outside

Climate Lab·Třinec

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	5	8	13	14	20	27	27	27	23	17	10	7	17
Daily mean°C	1	4	6	8	14	20	21	21	16	11	5	2	11
Daily low°C	-5	0	0	1	8	14	15	16	10	7	0	-3	5
Thermal comfort
High feelsDaily high feels-like°C	1	3	14	17	23	30	31	31	26	18	9	2	17
Mean feelsDaily mean feels-like°C	-8	-7	0	7	15	23	24	22	15	8	0	-7	8
Low feelsDaily low feels-like°C	-17	-16	-11	-6	3	14	15	13	5	1	-9	-17	-2
Humidity
HumidityRelative humidity%	83	81	67	69	68	68	67	73	78	80	85	88	76
Dewpoint°C	-2.2	-1.0	-1.0	1.4	7.6	13.7	14.2	15.6	11.4	8.1	3.2	-0.7	5.9
Precipitation
Rainfallmm	54	78	43	83	104	119	113	118	115	56	40	40	962
Rain days≥1mm	11	14	13	16	16	16	17	15	10	13	7	9	157
Snowfallmm	34	12	7	8	0	0	0	0	0	0	12	47	120
Snow days≥1mm	9	4	2	2	0	0	0	0	0	0	2	8	27
Wind
Wind avgm/s	3.6	3.8	3.4	3.1	3.0	2.3	2.4	2.3	2.5	3.4	3.1	3.3	3.0
Wind gustsm/s	6.8	7.0	6.9	6.5	5.6	4.9	4.8	5.0	5.0	6.7	6.2	6.8	6.0
Sun & UV
Sunshinehrs/day	3.0	3.0	7.9	8.9	10.6	10.3	10.9	9.6	8.5	6.7	3.5	3.0	7.2
Clear skyindex	15%	25%	40%	33%	40%	42%	45%	44%	40%	32%	27%	19%	34%
UV indexmax avg	0.6	1.0	2.1	2.9	4.3	5.3	5.5	4.8	3.5	1.9	0.7	0.5	2.7

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

Confidence: High

Lifestyle Calendar·Třinec

Třinec offers a solid outdoor season. June through August 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

2Mar: 2% viability

19Apr: 19% viability

50May: 50% viability

77Jun: 77% viability

80Jul: 80% viability

76Aug: 76% viability

59Sep: 59% viability

10Oct: 10% viability

1Nov: 1% viability

0Dec: 0% viability

3/12

Dinner Outside

0Jan: 0% viability

0Feb: 0% viability

2Mar: 2% viability

19Apr: 19% viability

50May: 50% viability

77Jun: 77% viability

80Jul: 80% viability

76Aug: 76% viability

59Sep: 59% viability

10Oct: 10% viability

1Nov: 1% viability

0Dec: 0% viability

31%

Cold

6/12

Lunch Outside

7Jan: 7% viability

18Feb: 18% viability

48Mar: 48% viability

60Apr: 60% viability

68May: 68% viability

71Jun: 71% viability

70Jul: 70% viability

69Aug: 69% viability

77Sep: 77% viability

74Oct: 74% viability

30Nov: 30% viability

12Dec: 12% viability

6/12

Lunch Outside

7Jan: 7% viability

18Feb: 18% viability

48Mar: 48% viability

60Apr: 60% viability

68May: 68% viability

71Jun: 71% viability

70Jul: 70% viability

69Aug: 69% viability

77Sep: 77% viability

74Oct: 74% viability

30Nov: 30% viability

12Dec: 12% viability

50%

Cold

12/12

Walking

92Jan: 92% viability

93Feb: 93% viability

97Mar: 97% viability

98Apr: 98% viability

100May: 100% viability

100

89Jun: 89% viability

86Jul: 86% viability

85Aug: 85% viability

96Sep: 96% viability

99Oct: 99% viability

98Nov: 98% viability

95Dec: 95% viability

12/12

Walking

92Jan: 92% viability

93Feb: 93% viability

97Mar: 97% viability

98Apr: 98% viability

100May: 100% viability

100

89Jun: 89% viability

86Jul: 86% viability

85Aug: 85% viability

96Sep: 96% viability

99Oct: 99% viability

98Nov: 98% viability

95Dec: 95% viability

94%

12/12

Running

92Jan: 92% viability

93Feb: 93% viability

97Mar: 97% viability

98Apr: 98% viability

100May: 100% viability

100

89Jun: 89% viability

86Jul: 86% viability

85Aug: 85% viability

96Sep: 96% viability

99Oct: 99% viability

98Nov: 98% viability

95Dec: 95% viability

12/12

Running

92Jan: 92% viability

93Feb: 93% viability

97Mar: 97% viability

98Apr: 98% viability

100May: 100% viability

100

89Jun: 89% viability

86Jul: 86% viability

85Aug: 85% viability

96Sep: 96% viability

99Oct: 99% viability

98Nov: 98% viability

95Dec: 95% viability

94%

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

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

Confidence: High

Třinec · Czechia

Climate

Climate Lab·Třinec

Lifestyle Calendar·Třinec

Air Quality Profile

Air Quality Profile

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