Opatija weather by month

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

Temperature in Opatija (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
43°F maximum daytime temperature in January in Opatija43
43°F maximum daytime temperature in February in Opatija43
48°F maximum daytime temperature in March in Opatija48
55°F maximum daytime temperature in April in Opatija55
64°F maximum daytime temperature in May in Opatija64
72°F maximum daytime temperature in June in Opatija72
77°F maximum daytime temperature in July in Opatija77
77°F maximum daytime temperature in August in Opatija77
70°F maximum daytime temperature in September in Opatija70
61°F maximum daytime temperature in October in Opatija61
52°F maximum daytime temperature in November in Opatija52
45°F maximum daytime temperature in December in Opatija45
Min temperature (night-time)
27°F minimum night-time temperature in January in Opatija27
28°F minimum night-time temperature in February in Opatija28
32°F minimum night-time temperature in March in Opatija32
39°F minimum night-time temperature in April in Opatija39
46°F minimum night-time temperature in May in Opatija46
52°F minimum night-time temperature in June in Opatija52
55°F minimum night-time temperature in July in Opatija55
55°F minimum night-time temperature in August in Opatija55
50°F minimum night-time temperature in September in Opatija50
45°F minimum night-time temperature in October in Opatija45
36°F minimum night-time temperature in November in Opatija36
30°F minimum night-time temperature in December in Opatija30
Heat & Humidity
No heat & humidity in January in Opatija0
No heat & humidity in February in Opatija0
No heat & humidity in March in Opatija0
No heat & humidity in April in Opatija0
No heat & humidity in May in Opatija0
No heat & humidity in June in Opatija0
Low heat & humidity in July in OpatijaL
Low heat & humidity in August in OpatijaL
No heat & humidity in September in Opatija0
No heat & humidity in October in Opatija0
No heat & humidity in November in Opatija0
No heat & humidity in December in Opatija0
Sea temperature
52°F sea temperature in January in Opatija52
50°F sea temperature in February in Opatija50
50°F sea temperature in March in Opatija50
54°F sea temperature in April in Opatija54
63°F sea temperature in May in Opatija63
70°F sea temperature in June in Opatija70
73°F sea temperature in July in Opatija73
75°F sea temperature in August in Opatija75
70°F sea temperature in September in Opatija70
64°F sea temperature in October in Opatija64
59°F sea temperature in November in Opatija59
55°F sea temperature in December in Opatija55

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

Sunshine & UV index in Opatija

  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 Opatija9
10 hours of daylight per day in February in Opatija10
12 hours of daylight per day in March in Opatija12
14 hours of daylight per day in April in Opatija14
15 hours of daylight per day in May in Opatija15
16 hours of daylight per day in June in Opatija16
15 hours of daylight per day in July in Opatija15
14 hours of daylight per day in August in Opatija14
13 hours of daylight per day in September in Opatija13
11 hours of daylight per day in October in Opatija11
10 hours of daylight per day in November in Opatija10
9 hours of daylight per day in December in Opatija9
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Opatija1
UV (maximum) index 2 (Low) in February in Opatija2
UV (maximum) index 3 (Moderate) in March in Opatija3
UV (maximum) index 5 (Moderate) in April in Opatija5
UV (maximum) index 7 (High) in May in Opatija7
UV (maximum) index 8 (Very High) in June in Opatija8
UV (maximum) index 8 (Very High) in July in Opatija8
UV (maximum) index 7 (High) in August in Opatija7
UV (maximum) index 5 (Moderate) in September in Opatija5
UV (maximum) index 3 (Moderate) in October in Opatija3
UV (maximum) index 2 (Low) in November in Opatija2
UV (maximum) index 1 (Low) in December in Opatija1

Rainfall in Opatija

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
14 days with some rainfall in January in Opatija14
13 days with some rainfall in February in Opatija13
14 days with some rainfall in March in Opatija14
16 days with some rainfall in April in Opatija16
16 days with some rainfall in May in Opatija16
16 days with some rainfall in June in Opatija16
13 days with some rainfall in July in Opatija13
13 days with some rainfall in August in Opatija13
13 days with some rainfall in September in Opatija13
13 days with some rainfall in October in Opatija13
15 days with some rainfall in November in Opatija15
14 days with some rainfall in December in Opatija14
Average monthly rainfall (inches)
4.5 inches monthly rainfall in January in Opatija4.5
4.0 inches monthly rainfall in February in Opatija4.0
4.4 inches monthly rainfall in March in Opatija4.4
4.6 inches monthly rainfall in April in Opatija4.6
4.3 inches monthly rainfall in May in Opatija4.3
4.7 inches monthly rainfall in June in Opatija4.7
3.5 inches monthly rainfall in July in Opatija3.5
4.6 inches monthly rainfall in August in Opatija4.6
5.4 inches monthly rainfall in September in Opatija5.4
5.8 inches monthly rainfall in October in Opatija5.8
7.0 inches monthly rainfall in November in Opatija7.0
5.0 inches monthly rainfall in December in Opatija5.0

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Opatija by month

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

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The climate guide for Croatia (Opatija) 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 Opatija?

Opatija has a temperate climate with hot summers and some rainfall in all months.

Opatija weather in January

Expect daytime maximum temperatures of 43°F in Opatija, Croatia in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 14 days with some rainfall and typically 4.5 inches of rainfall in the month.

  • 43°F maximum daytime temperature in January in Opatija43
    43°F max day temperature
  • 4 hours of sunshine per day
  • 14 days with some rainfall in January in Opatija14
    14 days with some rainfall
  • 27°F minimum night-time temperature in January in Opatija27
    27°F min night temperature
  • 9 hours of daylight per day in January in Opatija9
    9 hours of daylight per day
  • No heat & humidity in January in Opatija0
    No heat & humidity
  • 4.5 inches monthly rainfall in January in Opatija4.5
    4.5 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Opatija1
    1 (Low) UV index
  • 52°F sea temperature in January in Opatija52
    52°F sea temperature

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Opatija weather in February

Expect daytime maximum temperatures of 43°F in Opatija, Croatia in February based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall and typically 4.0 inches of rainfall in the month.

  • 43°F maximum daytime temperature in February in Opatija43
    43°F max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in February in Opatija13
    13 days with some rainfall
  • 28°F minimum night-time temperature in February in Opatija28
    28°F min night temperature
  • 10 hours of daylight per day in February in Opatija10
    10 hours of daylight per day
  • No heat & humidity in February in Opatija0
    No heat & humidity
  • 4.0 inches monthly rainfall in February in Opatija4.0
    4.0 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in February in Opatija2
    2 (Low) UV index
  • 50°F sea temperature in February in Opatija50
    50°F sea temperature

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Opatija weather in March

Expect daytime maximum temperatures of 48°F in Opatija, Croatia in March based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 4.4 inches of rainfall in the month.

  • 48°F maximum daytime temperature in March in Opatija48
    48°F max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in March in Opatija14
    14 days with some rainfall
  • 32°F minimum night-time temperature in March in Opatija32
    32°F min night temperature
  • 12 hours of daylight per day in March in Opatija12
    12 hours of daylight per day
  • No heat & humidity in March in Opatija0
    No heat & humidity
  • 4.4 inches monthly rainfall in March in Opatija4.4
    4.4 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Opatija3
    3 (Moderate) UV index
  • 50°F sea temperature in March in Opatija50
    50°F sea temperature

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Opatija weather in April

Expect daytime maximum temperatures of 55°F in Opatija, Croatia in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 4.6 inches of rainfall in the month.

  • 55°F maximum daytime temperature in April in Opatija55
    55°F max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in April in Opatija16
    16 days with some rainfall
  • 39°F minimum night-time temperature in April in Opatija39
    39°F min night temperature
  • 14 hours of daylight per day in April in Opatija14
    14 hours of daylight per day
  • No heat & humidity in April in Opatija0
    No heat & humidity
  • 4.6 inches monthly rainfall in April in Opatija4.6
    4.6 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in April in Opatija5
    5 (Moderate) UV index
  • 54°F sea temperature in April in Opatija54
    54°F sea temperature

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Opatija weather in May

Expect daytime maximum temperatures of 64°F in Opatija, Croatia in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 16 days with some rainfall and typically 4.3 inches of rainfall in the month.

  • 64°F maximum daytime temperature in May in Opatija64
    64°F max day temperature
  • 8 hours of sunshine per day
  • 16 days with some rainfall in May in Opatija16
    16 days with some rainfall
  • 46°F minimum night-time temperature in May in Opatija46
    46°F min night temperature
  • 15 hours of daylight per day in May in Opatija15
    15 hours of daylight per day
  • No heat & humidity in May in Opatija0
    No heat & humidity
  • 4.3 inches monthly rainfall in May in Opatija4.3
    4.3 inches of monthly rainfall
  • UV (maximum) index 7 (High) in May in Opatija7
    7 (High) UV index
  • 63°F sea temperature in May in Opatija63
    63°F sea temperature

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Opatija weather in June

Expect daytime maximum temperatures of 72°F in Opatija, Croatia in June based on long-term weather averages. There are 8 hours of sunshine per day on average with 16 days with some rainfall and typically 4.7 inches of rainfall in the month.

  • 72°F maximum daytime temperature in June in Opatija72
    72°F max day temperature
  • 8 hours of sunshine per day
  • 16 days with some rainfall in June in Opatija16
    16 days with some rainfall
  • 52°F minimum night-time temperature in June in Opatija52
    52°F min night temperature
  • 16 hours of daylight per day in June in Opatija16
    16 hours of daylight per day
  • No heat & humidity in June in Opatija0
    No heat & humidity
  • 4.7 inches monthly rainfall in June in Opatija4.7
    4.7 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in June in Opatija8
    8 (Very High) UV index
  • 70°F sea temperature in June in Opatija70
    70°F sea temperature

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Opatija weather in July

Expect daytime maximum temperatures of 77°F in Opatija, Croatia in July based on long-term weather averages. There are 9 hours of sunshine per day on average with 13 days with some rainfall and typically 3.5 inches of rainfall in the month.

  • 77°F maximum daytime temperature in July in Opatija77
    77°F max day temperature
  • 9 hours of sunshine per day
  • 13 days with some rainfall in July in Opatija13
    13 days with some rainfall
  • 55°F minimum night-time temperature in July in Opatija55
    55°F min night temperature
  • 15 hours of daylight per day in July in Opatija15
    15 hours of daylight per day
  • Low heat & humidity in July in OpatijaL
    Low heat & humidity
  • 3.5 inches monthly rainfall in July in Opatija3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in July in Opatija8
    8 (Very High) UV index
  • 73°F sea temperature in July in Opatija73
    73°F sea temperature

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Opatija weather in August

Expect daytime maximum temperatures of 77°F in Opatija, Croatia in August based on long-term weather averages. There are 8 hours of sunshine per day on average with 13 days with some rainfall and typically 4.6 inches of rainfall in the month.

  • 77°F maximum daytime temperature in August in Opatija77
    77°F max day temperature
  • 8 hours of sunshine per day
  • 13 days with some rainfall in August in Opatija13
    13 days with some rainfall
  • 55°F minimum night-time temperature in August in Opatija55
    55°F min night temperature
  • 14 hours of daylight per day in August in Opatija14
    14 hours of daylight per day
  • Low heat & humidity in August in OpatijaL
    Low heat & humidity
  • 4.6 inches monthly rainfall in August in Opatija4.6
    4.6 inches of monthly rainfall
  • UV (maximum) index 7 (High) in August in Opatija7
    7 (High) UV index
  • 75°F sea temperature in August in Opatija75
    75°F sea temperature

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Opatija weather in September

Expect daytime maximum temperatures of 70°F in Opatija, Croatia in September based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 5.4 inches of rainfall in the month.

  • 70°F maximum daytime temperature in September in Opatija70
    70°F max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in September in Opatija13
    13 days with some rainfall
  • 50°F minimum night-time temperature in September in Opatija50
    50°F min night temperature
  • 13 hours of daylight per day in September in Opatija13
    13 hours of daylight per day
  • No heat & humidity in September in Opatija0
    No heat & humidity
  • 5.4 inches monthly rainfall in September in Opatija5.4
    5.4 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Opatija5
    5 (Moderate) UV index
  • 70°F sea temperature in September in Opatija70
    70°F sea temperature

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Opatija weather in October

Expect daytime maximum temperatures of 61°F in Opatija, Croatia in October based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall and typically 5.8 inches of rainfall in the month.

  • 61°F maximum daytime temperature in October in Opatija61
    61°F max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in October in Opatija13
    13 days with some rainfall
  • 45°F minimum night-time temperature in October in Opatija45
    45°F min night temperature
  • 11 hours of daylight per day in October in Opatija11
    11 hours of daylight per day
  • No heat & humidity in October in Opatija0
    No heat & humidity
  • 5.8 inches monthly rainfall in October in Opatija5.8
    5.8 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Opatija3
    3 (Moderate) UV index
  • 64°F sea temperature in October in Opatija64
    64°F sea temperature

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Opatija weather in November

Expect daytime maximum temperatures of 52°F in Opatija, Croatia in November based on long-term weather averages. There are 4 hours of sunshine per day on average with 15 days with some rainfall and typically 7.0 inches of rainfall in the month.

  • 52°F maximum daytime temperature in November in Opatija52
    52°F max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in November in Opatija15
    15 days with some rainfall
  • 36°F minimum night-time temperature in November in Opatija36
    36°F min night temperature
  • 10 hours of daylight per day in November in Opatija10
    10 hours of daylight per day
  • No heat & humidity in November in Opatija0
    No heat & humidity
  • 7.0 inches monthly rainfall in November in Opatija7.0
    7.0 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in November in Opatija2
    2 (Low) UV index
  • 59°F sea temperature in November in Opatija59
    59°F sea temperature

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Opatija weather in December

Expect daytime maximum temperatures of 45°F in Opatija, Croatia in December based on long-term weather averages. There are 3 hours of sunshine per day on average with 14 days with some rainfall and typically 5.0 inches of rainfall in the month.

  • 45°F maximum daytime temperature in December in Opatija45
    45°F max day temperature
  • 3 hours of sunshine per day
  • 14 days with some rainfall in December in Opatija14
    14 days with some rainfall
  • 30°F minimum night-time temperature in December in Opatija30
    30°F min night temperature
  • 9 hours of daylight per day in December in Opatija9
    9 hours of daylight per day
  • No heat & humidity in December in Opatija0
    No heat & humidity
  • 5.0 inches monthly rainfall in December in Opatija5.0
    5.0 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Opatija1
    1 (Low) UV index
  • 55°F sea temperature in December in Opatija55
    55°F sea temperature

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More about Opatija

Opatija by month

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

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The climate guide for Croatia (Opatija) 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 Opatija weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Opatija, Croatia and the UK (London).

Maximum daytime temperature (°F)

Opatija, Croatia
UK (London)
43
45
43
45
48
50
55
55
64
63
72
68
77
72
77
72
70
66
61
59
52
50
45
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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