Karlovy Vary weather by month

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

Temperature in Karlovy Vary (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
30°F maximum daytime temperature in January in Karlovy Vary30
34°F maximum daytime temperature in February in Karlovy Vary34
41°F maximum daytime temperature in March in Karlovy Vary41
52°F maximum daytime temperature in April in Karlovy Vary52
61°F maximum daytime temperature in May in Karlovy Vary61
66°F maximum daytime temperature in June in Karlovy Vary66
70°F maximum daytime temperature in July in Karlovy Vary70
70°F maximum daytime temperature in August in Karlovy Vary70
63°F maximum daytime temperature in September in Karlovy Vary63
52°F maximum daytime temperature in October in Karlovy Vary52
39°F maximum daytime temperature in November in Karlovy Vary39
34°F maximum daytime temperature in December in Karlovy Vary34
Min temperature (night-time)
21°F minimum night-time temperature in January in Karlovy Vary21
23°F minimum night-time temperature in February in Karlovy Vary23
28°F minimum night-time temperature in March in Karlovy Vary28
34°F minimum night-time temperature in April in Karlovy Vary34
43°F minimum night-time temperature in May in Karlovy Vary43
48°F minimum night-time temperature in June in Karlovy Vary48
50°F minimum night-time temperature in July in Karlovy Vary50
50°F minimum night-time temperature in August in Karlovy Vary50
45°F minimum night-time temperature in September in Karlovy Vary45
37°F minimum night-time temperature in October in Karlovy Vary37
30°F minimum night-time temperature in November in Karlovy Vary30
25°F minimum night-time temperature in December in Karlovy Vary25
Heat & Humidity
No heat & humidity in January in Karlovy Vary0
No heat & humidity in February in Karlovy Vary0
No heat & humidity in March in Karlovy Vary0
No heat & humidity in April in Karlovy Vary0
No heat & humidity in May in Karlovy Vary0
No heat & humidity in June in Karlovy Vary0
No heat & humidity in July in Karlovy Vary0
No heat & humidity in August in Karlovy Vary0
No heat & humidity in September in Karlovy Vary0
No heat & humidity in October in Karlovy Vary0
No heat & humidity in November in Karlovy Vary0
No heat & humidity in December in Karlovy Vary0

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

Sunshine & UV index in Karlovy Vary

  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 Karlovy Vary9
10 hours of daylight per day in February in Karlovy Vary10
12 hours of daylight per day in March in Karlovy Vary12
14 hours of daylight per day in April in Karlovy Vary14
15 hours of daylight per day in May in Karlovy Vary15
16 hours of daylight per day in June in Karlovy Vary16
16 hours of daylight per day in July in Karlovy Vary16
14 hours of daylight per day in August in Karlovy Vary14
13 hours of daylight per day in September in Karlovy Vary13
11 hours of daylight per day in October in Karlovy Vary11
9 hours of daylight per day in November in Karlovy Vary9
8 hours of daylight per day in December in Karlovy Vary8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Karlovy Vary1
UV (maximum) index 1 (Low) in February in Karlovy Vary1
UV (maximum) index 3 (Moderate) in March in Karlovy Vary3
UV (maximum) index 4 (Moderate) in April in Karlovy Vary4
UV (maximum) index 6 (High) in May in Karlovy Vary6
UV (maximum) index 7 (High) in June in Karlovy Vary7
UV (maximum) index 7 (High) in July in Karlovy Vary7
UV (maximum) index 6 (High) in August in Karlovy Vary6
UV (maximum) index 4 (Moderate) in September in Karlovy Vary4
UV (maximum) index 2 (Low) in October in Karlovy Vary2
UV (maximum) index 1 (Low) in November in Karlovy Vary1
UV (maximum) index 1 (Low) in December in Karlovy Vary1

Rainfall in Karlovy Vary

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
16 days with some rainfall in January in Karlovy Vary16
14 days with some rainfall in February in Karlovy Vary14
14 days with some rainfall in March in Karlovy Vary14
14 days with some rainfall in April in Karlovy Vary14
15 days with some rainfall in May in Karlovy Vary15
16 days with some rainfall in June in Karlovy Vary16
15 days with some rainfall in July in Karlovy Vary15
15 days with some rainfall in August in Karlovy Vary15
14 days with some rainfall in September in Karlovy Vary14
13 days with some rainfall in October in Karlovy Vary13
15 days with some rainfall in November in Karlovy Vary15
17 days with some rainfall in December in Karlovy Vary17
Average monthly rainfall (inches)
2.1 inches monthly rainfall in January in Karlovy Vary2.1
1.7 inches monthly rainfall in February in Karlovy Vary1.7
1.8 inches monthly rainfall in March in Karlovy Vary1.8
1.7 inches monthly rainfall in April in Karlovy Vary1.7
2.3 inches monthly rainfall in May in Karlovy Vary2.3
2.7 inches monthly rainfall in June in Karlovy Vary2.7
2.6 inches monthly rainfall in July in Karlovy Vary2.6
2.6 inches monthly rainfall in August in Karlovy Vary2.6
2.0 inches monthly rainfall in September in Karlovy Vary2.0
1.7 inches monthly rainfall in October in Karlovy Vary1.7
2.0 inches monthly rainfall in November in Karlovy Vary2.0
2.4 inches monthly rainfall in December in Karlovy Vary2.4

More about the Karlovy Vary

Karlovy Vary by month

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

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The climate guide for Czech Republic (Karlovy Vary) 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 Karlovy Vary?

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

Karlovy Vary weather in January

Expect daytime maximum temperatures of 30°F in Karlovy Vary, Czech Republic in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 16 days with some rainfall and typically 2.1 inches of rainfall in the month, which might fall as snow.

  • 30°F maximum daytime temperature in January in Karlovy Vary30
    30°F max day temperature
  • 2 hours of sunshine per day
  • 16 days with some rainfall in January in Karlovy Vary16
    16 days with some rainfall
  • 21°F minimum night-time temperature in January in Karlovy Vary21
    21°F min night temperature
  • 9 hours of daylight per day in January in Karlovy Vary9
    9 hours of daylight per day
  • No heat & humidity in January in Karlovy Vary0
    No heat & humidity
  • 2.1 inches monthly rainfall in January in Karlovy Vary2.1
    2.1 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Karlovy Vary1
    1 (Low) UV index

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Karlovy Vary weather in February

Expect daytime maximum temperatures of 34°F in Karlovy Vary, Czech Republic in February based on long-term weather averages. There are 3 hours of sunshine per day on average with 14 days with some rainfall and typically 1.7 inches of rainfall in the month, which might fall as snow.

  • 34°F maximum daytime temperature in February in Karlovy Vary34
    34°F max day temperature
  • 3 hours of sunshine per day
  • 14 days with some rainfall in February in Karlovy Vary14
    14 days with some rainfall
  • 23°F minimum night-time temperature in February in Karlovy Vary23
    23°F min night temperature
  • 10 hours of daylight per day in February in Karlovy Vary10
    10 hours of daylight per day
  • No heat & humidity in February in Karlovy Vary0
    No heat & humidity
  • 1.7 inches monthly rainfall in February in Karlovy Vary1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in February in Karlovy Vary1
    1 (Low) UV index

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Karlovy Vary weather in March

Expect daytime maximum temperatures of 41°F in Karlovy Vary, Czech Republic in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 14 days with some rainfall and typically 1.8 inches of rainfall in the month.

  • 41°F maximum daytime temperature in March in Karlovy Vary41
    41°F max day temperature
  • 4 hours of sunshine per day
  • 14 days with some rainfall in March in Karlovy Vary14
    14 days with some rainfall
  • 28°F minimum night-time temperature in March in Karlovy Vary28
    28°F min night temperature
  • 12 hours of daylight per day in March in Karlovy Vary12
    12 hours of daylight per day
  • No heat & humidity in March in Karlovy Vary0
    No heat & humidity
  • 1.8 inches monthly rainfall in March in Karlovy Vary1.8
    1.8 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Karlovy Vary3
    3 (Moderate) UV index

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Karlovy Vary weather in April

Expect daytime maximum temperatures of 52°F in Karlovy Vary, Czech Republic in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 1.7 inches of rainfall in the month.

  • 52°F maximum daytime temperature in April in Karlovy Vary52
    52°F max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in April in Karlovy Vary14
    14 days with some rainfall
  • 34°F minimum night-time temperature in April in Karlovy Vary34
    34°F min night temperature
  • 14 hours of daylight per day in April in Karlovy Vary14
    14 hours of daylight per day
  • No heat & humidity in April in Karlovy Vary0
    No heat & humidity
  • 1.7 inches monthly rainfall in April in Karlovy Vary1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in April in Karlovy Vary4
    4 (Moderate) UV index

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Karlovy Vary weather in May

Expect daytime maximum temperatures of 61°F in Karlovy Vary, Czech Republic in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 2.3 inches of rainfall in the month.

  • 61°F maximum daytime temperature in May in Karlovy Vary61
    61°F max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in May in Karlovy Vary15
    15 days with some rainfall
  • 43°F minimum night-time temperature in May in Karlovy Vary43
    43°F min night temperature
  • 15 hours of daylight per day in May in Karlovy Vary15
    15 hours of daylight per day
  • No heat & humidity in May in Karlovy Vary0
    No heat & humidity
  • 2.3 inches monthly rainfall in May in Karlovy Vary2.3
    2.3 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Karlovy Vary6
    6 (High) UV index

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Karlovy Vary weather in June

Expect daytime maximum temperatures of 66°F in Karlovy Vary, 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 2.7 inches of rainfall in the month.

  • 66°F maximum daytime temperature in June in Karlovy Vary66
    66°F max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in June in Karlovy Vary16
    16 days with some rainfall
  • 48°F minimum night-time temperature in June in Karlovy Vary48
    48°F min night temperature
  • 16 hours of daylight per day in June in Karlovy Vary16
    16 hours of daylight per day
  • No heat & humidity in June in Karlovy Vary0
    No heat & humidity
  • 2.7 inches monthly rainfall in June in Karlovy Vary2.7
    2.7 inches of monthly rainfall
  • UV (maximum) index 7 (High) in June in Karlovy Vary7
    7 (High) UV index

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Karlovy Vary weather in July

Expect daytime maximum temperatures of 70°F in Karlovy Vary, 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 2.6 inches of rainfall in the month.

  • 70°F maximum daytime temperature in July in Karlovy Vary70
    70°F max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in July in Karlovy Vary15
    15 days with some rainfall
  • 50°F minimum night-time temperature in July in Karlovy Vary50
    50°F min night temperature
  • 16 hours of daylight per day in July in Karlovy Vary16
    16 hours of daylight per day
  • No heat & humidity in July in Karlovy Vary0
    No heat & humidity
  • 2.6 inches monthly rainfall in July in Karlovy Vary2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 7 (High) in July in Karlovy Vary7
    7 (High) UV index

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Karlovy Vary weather in August

Expect daytime maximum temperatures of 70°F in Karlovy Vary, Czech Republic in August based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 2.6 inches of rainfall in the month.

  • 70°F maximum daytime temperature in August in Karlovy Vary70
    70°F max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in August in Karlovy Vary15
    15 days with some rainfall
  • 50°F minimum night-time temperature in August in Karlovy Vary50
    50°F min night temperature
  • 14 hours of daylight per day in August in Karlovy Vary14
    14 hours of daylight per day
  • No heat & humidity in August in Karlovy Vary0
    No heat & humidity
  • 2.6 inches monthly rainfall in August in Karlovy Vary2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 6 (High) in August in Karlovy Vary6
    6 (High) UV index

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Karlovy Vary weather in September

Expect daytime maximum temperatures of 63°F in Karlovy Vary, Czech Republic in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 2.0 inches of rainfall in the month.

  • 63°F maximum daytime temperature in September in Karlovy Vary63
    63°F max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in September in Karlovy Vary14
    14 days with some rainfall
  • 45°F minimum night-time temperature in September in Karlovy Vary45
    45°F min night temperature
  • 13 hours of daylight per day in September in Karlovy Vary13
    13 hours of daylight per day
  • No heat & humidity in September in Karlovy Vary0
    No heat & humidity
  • 2.0 inches monthly rainfall in September in Karlovy Vary2.0
    2.0 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Karlovy Vary4
    4 (Moderate) UV index

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Karlovy Vary weather in October

Expect daytime maximum temperatures of 52°F in Karlovy Vary, Czech Republic in October based on long-term weather averages. There are 4 hours of sunshine per day on average with 13 days with some rainfall and typically 1.7 inches of rainfall in the month.

  • 52°F maximum daytime temperature in October in Karlovy Vary52
    52°F max day temperature
  • 4 hours of sunshine per day
  • 13 days with some rainfall in October in Karlovy Vary13
    13 days with some rainfall
  • 37°F minimum night-time temperature in October in Karlovy Vary37
    37°F min night temperature
  • 11 hours of daylight per day in October in Karlovy Vary11
    11 hours of daylight per day
  • No heat & humidity in October in Karlovy Vary0
    No heat & humidity
  • 1.7 inches monthly rainfall in October in Karlovy Vary1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Karlovy Vary2
    2 (Low) UV index

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Karlovy Vary weather in November

Expect daytime maximum temperatures of 39°F in Karlovy Vary, Czech Republic in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 15 days with some rainfall and typically 2.0 inches of rainfall in the month.

  • 39°F maximum daytime temperature in November in Karlovy Vary39
    39°F max day temperature
  • 2 hours of sunshine per day
  • 15 days with some rainfall in November in Karlovy Vary15
    15 days with some rainfall
  • 30°F minimum night-time temperature in November in Karlovy Vary30
    30°F min night temperature
  • 9 hours of daylight per day in November in Karlovy Vary9
    9 hours of daylight per day
  • No heat & humidity in November in Karlovy Vary0
    No heat & humidity
  • 2.0 inches monthly rainfall in November in Karlovy Vary2.0
    2.0 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in November in Karlovy Vary1
    1 (Low) UV index

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Karlovy Vary weather in December

Expect daytime maximum temperatures of 34°F in Karlovy Vary, Czech Republic in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 17 days with some rainfall and typically 2.4 inches of rainfall in the month, which might fall as snow.

  • 34°F maximum daytime temperature in December in Karlovy Vary34
    34°F max day temperature
  • 1 hour of sunshine per day
  • 17 days with some rainfall in December in Karlovy Vary17
    17 days with some rainfall
  • 25°F minimum night-time temperature in December in Karlovy Vary25
    25°F min night temperature
  • 8 hours of daylight per day in December in Karlovy Vary8
    8 hours of daylight per day
  • No heat & humidity in December in Karlovy Vary0
    No heat & humidity
  • 2.4 inches monthly rainfall in December in Karlovy Vary2.4
    2.4 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Karlovy Vary1
    1 (Low) UV index

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More about the Karlovy Vary

Karlovy Vary 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

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The climate guide for Czech Republic (Karlovy Vary) 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 Karlovy Vary weather with the UK

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

Maximum daytime temperature (°F)

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

Metric (°C)  |  Imperial (°F)

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