Ostrava weather by month

Check out Ostrava weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Ostrava (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
1°C maximum daytime temperature in January in Ostrava1
3°C maximum daytime temperature in February in Ostrava3
8°C maximum daytime temperature in March in Ostrava8
14°C maximum daytime temperature in April in Ostrava14
19°C maximum daytime temperature in May in Ostrava19
22°C maximum daytime temperature in June in Ostrava22
24°C maximum daytime temperature in July in Ostrava24
23°C maximum daytime temperature in August in Ostrava23
19°C maximum daytime temperature in September in Ostrava19
14°C maximum daytime temperature in October in Ostrava14
7°C maximum daytime temperature in November in Ostrava7
2°C maximum daytime temperature in December in Ostrava2
Min temperature (night-time)
-5°C minimum night-time temperature in January in Ostrava-5
-4°C minimum night-time temperature in February in Ostrava-4
-1°C minimum night-time temperature in March in Ostrava-1
3°C minimum night-time temperature in April in Ostrava3
8°C minimum night-time temperature in May in Ostrava8
11°C minimum night-time temperature in June in Ostrava11
12°C minimum night-time temperature in July in Ostrava12
12°C minimum night-time temperature in August in Ostrava12
9°C minimum night-time temperature in September in Ostrava9
5°C minimum night-time temperature in October in Ostrava5
1°C minimum night-time temperature in November in Ostrava1
-3°C minimum night-time temperature in December in Ostrava-3
Heat & Humidity
No heat & humidity in January in Ostrava0
No heat & humidity in February in Ostrava0
No heat & humidity in March in Ostrava0
No heat & humidity in April in Ostrava0
No heat & humidity in May in Ostrava0
No heat & humidity in June in Ostrava0
No heat & humidity in July in Ostrava0
No heat & humidity in August in Ostrava0
No heat & humidity in September in Ostrava0
No heat & humidity in October in Ostrava0
No heat & humidity in November in Ostrava0
No heat & humidity in December in Ostrava0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Ostrava

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in Ostrava9
10 hours of daylight per day in February in Ostrava10
12 hours of daylight per day in March in Ostrava12
14 hours of daylight per day in April in Ostrava14
15 hours of daylight per day in May in Ostrava15
16 hours of daylight per day in June in Ostrava16
16 hours of daylight per day in July in Ostrava16
14 hours of daylight per day in August in Ostrava14
13 hours of daylight per day in September in Ostrava13
11 hours of daylight per day in October in Ostrava11
9 hours of daylight per day in November in Ostrava9
8 hours of daylight per day in December in Ostrava8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Ostrava1
UV (maximum) index 1 (Low) in February in Ostrava1
UV (maximum) index 3 (Moderate) in March in Ostrava3
UV (maximum) index 4 (Moderate) in April in Ostrava4
UV (maximum) index 6 (High) in May in Ostrava6
UV (maximum) index 7 (High) in June in Ostrava7
UV (maximum) index 7 (High) in July in Ostrava7
UV (maximum) index 6 (High) in August in Ostrava6
UV (maximum) index 4 (Moderate) in September in Ostrava4
UV (maximum) index 2 (Low) in October in Ostrava2
UV (maximum) index 1 (Low) in November in Ostrava1
UV (maximum) index 1 (Low) in December in Ostrava1

Rainfall in Ostrava

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
13 days with some rainfall in January in Ostrava13
12 days with some rainfall in February in Ostrava12
12 days with some rainfall in March in Ostrava12
13 days with some rainfall in April in Ostrava13
15 days with some rainfall in May in Ostrava15
16 days with some rainfall in June in Ostrava16
15 days with some rainfall in July in Ostrava15
14 days with some rainfall in August in Ostrava14
12 days with some rainfall in September in Ostrava12
12 days with some rainfall in October in Ostrava12
14 days with some rainfall in November in Ostrava14
14 days with some rainfall in December in Ostrava14
Average monthly rainfall (mm)
32 mm monthly rainfall in January in Ostrava32
34 mm monthly rainfall in February in Ostrava34
34 mm monthly rainfall in March in Ostrava34
52 mm monthly rainfall in April in Ostrava52
82 mm monthly rainfall in May in Ostrava82
89 mm monthly rainfall in June in Ostrava89
90 mm monthly rainfall in July in Ostrava90
87 mm monthly rainfall in August in Ostrava87
57 mm monthly rainfall in September in Ostrava57
43 mm monthly rainfall in October in Ostrava43
45 mm monthly rainfall in November in Ostrava45
39 mm monthly rainfall in December in Ostrava39

More about the Ostrava

Ostrava by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for the Czech Republic

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The climate guide for Czech Republic (Ostrava) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Ostrava?

Ostrava has a cold climate with warm summers and some rainfall in all months.

Ostrava weather in January

Expect daytime maximum temperatures of 1°C in Ostrava, Czech Republic in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 13 days with some rainfall, which might fall as snow.

  • 1°C maximum daytime temperature in January in Ostrava1
    1°C max day temperature
  • 2 hours of sunshine per day
  • 13 days with some rainfall in January in Ostrava13
    13 days with some rainfall
  • -5°C minimum night-time temperature in January in Ostrava-5
    -5°C min night temperature
  • 9 hours of daylight per day in January in Ostrava9
    9 hours of daylight per day
  • No heat & humidity in January in Ostrava0
    No heat & humidity
  • 32 mm monthly rainfall in January in Ostrava32
    32 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Ostrava1
    1 (Low) UV index

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Ostrava weather in February

Expect daytime maximum temperatures of 3°C in Ostrava, Czech Republic in February based on long-term weather averages. There are 2 hours of sunshine per day on average with 12 days with some rainfall, which might fall as snow.

  • 3°C maximum daytime temperature in February in Ostrava3
    3°C max day temperature
  • 2 hours of sunshine per day
  • 12 days with some rainfall in February in Ostrava12
    12 days with some rainfall
  • -4°C minimum night-time temperature in February in Ostrava-4
    -4°C min night temperature
  • 10 hours of daylight per day in February in Ostrava10
    10 hours of daylight per day
  • No heat & humidity in February in Ostrava0
    No heat & humidity
  • 34 mm monthly rainfall in February in Ostrava34
    34 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in February in Ostrava1
    1 (Low) UV index

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Ostrava weather in March

Expect daytime maximum temperatures of 8°C in Ostrava, Czech Republic in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall.

  • 8°C maximum daytime temperature in March in Ostrava8
    8°C max day temperature
  • 4 hours of sunshine per day
  • 12 days with some rainfall in March in Ostrava12
    12 days with some rainfall
  • -1°C minimum night-time temperature in March in Ostrava-1
    -1°C min night temperature
  • 12 hours of daylight per day in March in Ostrava12
    12 hours of daylight per day
  • No heat & humidity in March in Ostrava0
    No heat & humidity
  • 34 mm monthly rainfall in March in Ostrava34
    34 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Ostrava3
    3 (Moderate) UV index

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Ostrava weather in April

Expect daytime maximum temperatures of 14°C in Ostrava, Czech Republic in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall and typically 52 mm of rainfall in the month.

  • 14°C maximum daytime temperature in April in Ostrava14
    14°C max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in April in Ostrava13
    13 days with some rainfall
  • 3°C minimum night-time temperature in April in Ostrava3
    3°C min night temperature
  • 14 hours of daylight per day in April in Ostrava14
    14 hours of daylight per day
  • No heat & humidity in April in Ostrava0
    No heat & humidity
  • 52 mm monthly rainfall in April in Ostrava52
    52 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in April in Ostrava4
    4 (Moderate) UV index

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Ostrava weather in May

Expect daytime maximum temperatures of 19°C in Ostrava, Czech Republic in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 82 mm of rainfall in the month.

  • 19°C maximum daytime temperature in May in Ostrava19
    19°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in May in Ostrava15
    15 days with some rainfall
  • 8°C minimum night-time temperature in May in Ostrava8
    8°C min night temperature
  • 15 hours of daylight per day in May in Ostrava15
    15 hours of daylight per day
  • No heat & humidity in May in Ostrava0
    No heat & humidity
  • 82 mm monthly rainfall in May in Ostrava82
    82 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Ostrava6
    6 (High) UV index

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Ostrava weather in June

Expect daytime maximum temperatures of 22°C in Ostrava, Czech Republic in June based on long-term weather averages. There are 7 hours of sunshine per day on average with 16 days with some rainfall and typically 89 mm of rainfall in the month.

  • 22°C maximum daytime temperature in June in Ostrava22
    22°C max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in June in Ostrava16
    16 days with some rainfall
  • 11°C minimum night-time temperature in June in Ostrava11
    11°C min night temperature
  • 16 hours of daylight per day in June in Ostrava16
    16 hours of daylight per day
  • No heat & humidity in June in Ostrava0
    No heat & humidity
  • 89 mm monthly rainfall in June in Ostrava89
    89 mm of monthly rainfall
  • UV (maximum) index 7 (High) in June in Ostrava7
    7 (High) UV index

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Ostrava weather in July

Expect daytime maximum temperatures of 24°C in Ostrava, Czech Republic in July based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 90 mm of rainfall in the month.

  • 24°C maximum daytime temperature in July in Ostrava24
    24°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in July in Ostrava15
    15 days with some rainfall
  • 12°C minimum night-time temperature in July in Ostrava12
    12°C min night temperature
  • 16 hours of daylight per day in July in Ostrava16
    16 hours of daylight per day
  • No heat & humidity in July in Ostrava0
    No heat & humidity
  • 90 mm monthly rainfall in July in Ostrava90
    90 mm of monthly rainfall
  • UV (maximum) index 7 (High) in July in Ostrava7
    7 (High) UV index

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Ostrava weather in August

Expect daytime maximum temperatures of 23°C in Ostrava, Czech Republic in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 87 mm of rainfall in the month.

  • 23°C maximum daytime temperature in August in Ostrava23
    23°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in August in Ostrava14
    14 days with some rainfall
  • 12°C minimum night-time temperature in August in Ostrava12
    12°C min night temperature
  • 14 hours of daylight per day in August in Ostrava14
    14 hours of daylight per day
  • No heat & humidity in August in Ostrava0
    No heat & humidity
  • 87 mm monthly rainfall in August in Ostrava87
    87 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Ostrava6
    6 (High) UV index

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Ostrava weather in September

Expect daytime maximum temperatures of 19°C in Ostrava, Czech Republic in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall and typically 57 mm of rainfall in the month.

  • 19°C maximum daytime temperature in September in Ostrava19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in September in Ostrava12
    12 days with some rainfall
  • 9°C minimum night-time temperature in September in Ostrava9
    9°C min night temperature
  • 13 hours of daylight per day in September in Ostrava13
    13 hours of daylight per day
  • No heat & humidity in September in Ostrava0
    No heat & humidity
  • 57 mm monthly rainfall in September in Ostrava57
    57 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Ostrava4
    4 (Moderate) UV index

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Ostrava weather in October

Expect daytime maximum temperatures of 14°C in Ostrava, Czech Republic in October based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 43 mm of rainfall in the month.

  • 14°C maximum daytime temperature in October in Ostrava14
    14°C max day temperature
  • 4 hours of sunshine per day
  • 12 days with some rainfall in October in Ostrava12
    12 days with some rainfall
  • 5°C minimum night-time temperature in October in Ostrava5
    5°C min night temperature
  • 11 hours of daylight per day in October in Ostrava11
    11 hours of daylight per day
  • No heat & humidity in October in Ostrava0
    No heat & humidity
  • 43 mm monthly rainfall in October in Ostrava43
    43 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Ostrava2
    2 (Low) UV index

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Ostrava weather in November

Expect daytime maximum temperatures of 7°C in Ostrava, Czech Republic in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 14 days with some rainfall and typically 45 mm of rainfall in the month.

  • 7°C maximum daytime temperature in November in Ostrava7
    7°C max day temperature
  • 2 hours of sunshine per day
  • 14 days with some rainfall in November in Ostrava14
    14 days with some rainfall
  • 1°C minimum night-time temperature in November in Ostrava1
    1°C min night temperature
  • 9 hours of daylight per day in November in Ostrava9
    9 hours of daylight per day
  • No heat & humidity in November in Ostrava0
    No heat & humidity
  • 45 mm monthly rainfall in November in Ostrava45
    45 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in November in Ostrava1
    1 (Low) UV index

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Ostrava weather in December

Expect daytime maximum temperatures of 2°C in Ostrava, Czech Republic in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 14 days with some rainfall, which might fall as snow.

  • 2°C maximum daytime temperature in December in Ostrava2
    2°C max day temperature
  • 1 hour of sunshine per day
  • 14 days with some rainfall in December in Ostrava14
    14 days with some rainfall
  • -3°C minimum night-time temperature in December in Ostrava-3
    -3°C min night temperature
  • 8 hours of daylight per day in December in Ostrava8
    8 hours of daylight per day
  • No heat & humidity in December in Ostrava0
    No heat & humidity
  • 39 mm monthly rainfall in December in Ostrava39
    39 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Ostrava1
    1 (Low) UV index

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More about the Ostrava

Ostrava by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for the Czech Republic

  • Explore latest special offers & online deals from TUI
  • Free child places & £0 deposits with direct debit available
  • Book summer & winter sun holidays in 2026/2027

TUITUI deal finder

The climate guide for Czech Republic (Ostrava) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Compare Ostrava weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Ostrava, Czech Republic and the UK (London).

Maximum daytime temperature (°C)

Ostrava, Czech Republic
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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