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Banská Bystrica, Slovakia climate

Dfb Warm-summer humid continental

Banská Bystrica has a seasonal cool-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is August with an average daily high near 27°C, while the coldest is January averaging around −8°C at night. Around 683 mm of precipitation falls each year, peaking in July (107 mm) and easing off in March (31 mm).

☀️ Summers

Warm

Highs near 27°C in August.

About 6 days a year above 32 °C

❄️ Winters

Very cold

Lows near −8°C in January.

About 95 freezing nights a year

🌧️ Rain

Moderate rainfall

About 683 mm of rain a year.

Wettest in July

⛅ Sky & trend

Often cloudy

Cloudy skies much of the year.

+0.2 °C vs 50 years ago

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures

Clear vs cloudy days

Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day counts

Banská Bystrica climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	1	4	10	16	22	25	26	27	20	14	7	1
Avg temp (°C)	−4	−1	4	9	14	18	19	19	14	9	3	−2
Avg low (°C)	−8	−7	−2	3	7	11	12	12	8	4	−1	−6
Precipitation (mm)	33	51	31	35	83	81	107	44	62	60	54	41

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	1	4	10	16	22	25
Avg temp (°C)	−4	−1	4	9	14	18
Avg low (°C)	−8	−7	−2	3	7	11
Precipitation (mm)	33	51	31	35	83	81

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	26	27	20	14	7	1
Avg temp (°C)	19	19	14	9	3	−2
Avg low (°C)	12	12	8	4	−1	−6
Precipitation (mm)	107	44	62	60	54	41

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	7	7	8	6	8	8	7	6	6	8	8	8
Days with high ≥ 32°C (days)	—	—	—	—	—	1	2	3	—	—	—	—
Days with low ≤ 0°C (days)	17	19	17	7	0.6	—	—	—	0.3	5	11	17

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	7	7	8	6	8	8
Days with high ≥ 32°C (days)	—	—	—	—	—	1
Days with low ≤ 0°C (days)	17	19	17	7	0.6	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	7	6	6	8	8	8
Days with high ≥ 32°C (days)	2	3	—	—	—	—
Days with low ≤ 0°C (days)	—	—	0.3	5	11	17

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	68	68	66	64	66	64	59	55	62	65	72	71
Clear days (≤ 30% cloud)	4	4	5	4	4	4	6	7	6	5	3	4
Partly cloudy days (30–70%)	10	9	9	11	11	12	12	13	9	9	9	9
Cloudy days (≥ 70%)	17	16	17	15	16	14	13	11	15	16	18	19
Relative humidity (%)	95	92	84	76	74	73	69	66	72	82	90	94
Wind speed (m/s)	0.6	0.7	0.6	0.3	0.2	0.1	0.1	0.2	0.2	0.2	0.2	0.4

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	68	68	66	64	66	64
Clear days (≤ 30% cloud)	4	4	5	4	4	4
Partly cloudy days (30–70%)	10	9	9	11	11	12
Cloudy days (≥ 70%)	17	16	17	15	16	14
Relative humidity (%)	95	92	84	76	74	73
Wind speed (m/s)	0.6	0.7	0.6	0.3	0.2	0.1

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	59	55	62	65	72	71
Clear days (≤ 30% cloud)	6	7	6	5	3	4
Partly cloudy days (30–70%)	12	13	9	9	9	9
Cloudy days (≥ 70%)	13	11	15	16	18	19
Relative humidity (%)	69	66	72	82	90	94
Wind speed (m/s)	0.1	0.2	0.2	0.2	0.2	0.4

Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 13 years of daily observations at Sliac, a weather station, about 10 km from the city centre. The underlying daily records come from NOAA's global station network.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →