Ios weather by month

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

Temperature in Ios (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
55°F maximum daytime temperature in January in Ios55
55°F maximum daytime temperature in February in Ios55
59°F maximum daytime temperature in March in Ios59
64°F maximum daytime temperature in April in Ios64
72°F maximum daytime temperature in May in Ios72
79°F maximum daytime temperature in June in Ios79
81°F maximum daytime temperature in July in Ios81
79°F maximum daytime temperature in August in Ios79
75°F maximum daytime temperature in September in Ios75
70°F maximum daytime temperature in October in Ios70
64°F maximum daytime temperature in November in Ios64
59°F maximum daytime temperature in December in Ios59
Min temperature (night-time)
46°F minimum night-time temperature in January in Ios46
46°F minimum night-time temperature in February in Ios46
48°F minimum night-time temperature in March in Ios48
54°F minimum night-time temperature in April in Ios54
59°F minimum night-time temperature in May in Ios59
66°F minimum night-time temperature in June in Ios66
70°F minimum night-time temperature in July in Ios70
70°F minimum night-time temperature in August in Ios70
66°F minimum night-time temperature in September in Ios66
61°F minimum night-time temperature in October in Ios61
55°F minimum night-time temperature in November in Ios55
50°F minimum night-time temperature in December in Ios50
Heat & Humidity
No heat & humidity in January in Ios0
No heat & humidity in February in Ios0
No heat & humidity in March in Ios0
No heat & humidity in April in Ios0
No heat & humidity in May in Ios0
Low heat & humidity in June in IosL
Moderate heat & humidity in July in IosM
Moderate heat & humidity in August in IosM
Low heat & humidity in September in IosL
No heat & humidity in October in Ios0
No heat & humidity in November in Ios0
No heat & humidity in December in Ios0
Sea temperature
61°F sea temperature in January in Ios61
61°F sea temperature in February in Ios61
61°F sea temperature in March in Ios61
61°F sea temperature in April in Ios61
64°F sea temperature in May in Ios64
72°F sea temperature in June in Ios72
73°F sea temperature in July in Ios73
75°F sea temperature in August in Ios75
73°F sea temperature in September in Ios73
72°F sea temperature in October in Ios72
66°F sea temperature in November in Ios66
63°F sea temperature in December in Ios63

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

Sunshine & UV index in Ios

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Ios10
11 hours of daylight per day in February in Ios11
12 hours of daylight per day in March in Ios12
13 hours of daylight per day in April in Ios13
14 hours of daylight per day in May in Ios14
15 hours of daylight per day in June in Ios15
14 hours of daylight per day in July in Ios14
14 hours of daylight per day in August in Ios14
12 hours of daylight per day in September in Ios12
11 hours of daylight per day in October in Ios11
10 hours of daylight per day in November in Ios10
10 hours of daylight per day in December in Ios10
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Ios2
UV (maximum) index 3 (Moderate) in February in Ios3
UV (maximum) index 5 (Moderate) in March in Ios5
UV (maximum) index 6 (High) in April in Ios6
UV (maximum) index 8 (Very High) in May in Ios8
UV (maximum) index 10 (Very High) in June in Ios10
UV (maximum) index 10 (Very High) in July in Ios10
UV (maximum) index 9 (Very High) in August in Ios9
UV (maximum) index 7 (High) in September in Ios7
UV (maximum) index 5 (Moderate) in October in Ios5
UV (maximum) index 3 (Moderate) in November in Ios3
UV (maximum) index 2 (Low) in December in Ios2

Rainfall in Ios

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
11 days with some rainfall in January in Ios11
10 days with some rainfall in February in Ios10
8 days with some rainfall in March in Ios8
7 days with some rainfall in April in Ios7
4 days with some rainfall in May in Ios4
2 days with some rainfall in June in Ios2
1 day with some rainfall in July in Ios1
0 days with some rainfall in August in Ios0
2 days with some rainfall in September in Ios2
5 days with some rainfall in October in Ios5
8 days with some rainfall in November in Ios8
12 days with some rainfall in December in Ios12
Average monthly rainfall (inches)
3.9 inches monthly rainfall in January in Ios3.9
2.8 inches monthly rainfall in February in Ios2.8
2.4 inches monthly rainfall in March in Ios2.4
1.1 inches monthly rainfall in April in Ios1.1
0.6 inches monthly rainfall in May in Ios0.6
0.2 inches monthly rainfall in June in Ios0.2
0.1 inches monthly rainfall in July in Ios0.1
0.1 inches monthly rainfall in August in Ios0.1
0.5 inches monthly rainfall in September in Ios0.5
2.0 inches monthly rainfall in October in Ios2.0
2.5 inches monthly rainfall in November in Ios2.5
3.8 inches monthly rainfall in December in Ios3.8

More about Ios

Ios by month

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

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The climate guide for Greece (Ios) 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 Ios?

Ios has a hot semi arid climate.

Ios weather in January

Expect daytime maximum temperatures of 55°F in Ios, Greece in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall and typically 3.9 inches of rainfall in the month.

  • 55°F maximum daytime temperature in January in Ios55
    55°F max day temperature
  • 4 hours of sunshine per day
  • 11 days with some rainfall in January in Ios11
    11 days with some rainfall
  • 46°F minimum night-time temperature in January in Ios46
    46°F min night temperature
  • 10 hours of daylight per day in January in Ios10
    10 hours of daylight per day
  • No heat & humidity in January in Ios0
    No heat & humidity
  • 3.9 inches monthly rainfall in January in Ios3.9
    3.9 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Ios2
    2 (Low) UV index
  • 61°F sea temperature in January in Ios61
    61°F sea temperature

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Ios weather in February

Expect daytime maximum temperatures of 55°F in Ios, Greece in February based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 2.8 inches of rainfall in the month.

  • 55°F maximum daytime temperature in February in Ios55
    55°F max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in February in Ios10
    10 days with some rainfall
  • 46°F minimum night-time temperature in February in Ios46
    46°F min night temperature
  • 11 hours of daylight per day in February in Ios11
    11 hours of daylight per day
  • No heat & humidity in February in Ios0
    No heat & humidity
  • 2.8 inches monthly rainfall in February in Ios2.8
    2.8 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in February in Ios3
    3 (Moderate) UV index
  • 61°F sea temperature in February in Ios61
    61°F sea temperature

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Ios weather in March

Expect daytime maximum temperatures of 59°F in Ios, Greece in March based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 2.4 inches of rainfall in the month.

  • 59°F maximum daytime temperature in March in Ios59
    59°F max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in March in Ios8
    8 days with some rainfall
  • 48°F minimum night-time temperature in March in Ios48
    48°F min night temperature
  • 12 hours of daylight per day in March in Ios12
    12 hours of daylight per day
  • No heat & humidity in March in Ios0
    No heat & humidity
  • 2.4 inches monthly rainfall in March in Ios2.4
    2.4 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in March in Ios5
    5 (Moderate) UV index
  • 61°F sea temperature in March in Ios61
    61°F sea temperature

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Ios weather in April

Expect daytime maximum temperatures of 64°F in Ios, Greece in April based on long-term weather averages. There are 8 hours of sunshine per day on average.

  • 64°F maximum daytime temperature in April in Ios64
    64°F max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in April in Ios7
    7 days with some rainfall
  • 54°F minimum night-time temperature in April in Ios54
    54°F min night temperature
  • 13 hours of daylight per day in April in Ios13
    13 hours of daylight per day
  • No heat & humidity in April in Ios0
    No heat & humidity
  • 1.1 inches monthly rainfall in April in Ios1.1
    1.1 inches of monthly rainfall
  • UV (maximum) index 6 (High) in April in Ios6
    6 (High) UV index
  • 61°F sea temperature in April in Ios61
    61°F sea temperature

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Ios weather in May

Expect daytime maximum temperatures of 72°F in Ios, Greece in May based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 72°F maximum daytime temperature in May in Ios72
    72°F max day temperature
  • 10 hours of sunshine per day
  • 4 days with some rainfall in May in Ios4
    4 days with some rainfall
  • 59°F minimum night-time temperature in May in Ios59
    59°F min night temperature
  • 14 hours of daylight per day in May in Ios14
    14 hours of daylight per day
  • No heat & humidity in May in Ios0
    No heat & humidity
  • 0.6 inches monthly rainfall in May in Ios0.6
    0.6 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Ios8
    8 (Very High) UV index
  • 64°F sea temperature in May in Ios64
    64°F sea temperature

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Ios weather in June

Expect daytime maximum temperatures of 79°F in Ios, Greece in June based on long-term weather averages. There are 13 hours of sunshine per day on average.

  • 79°F maximum daytime temperature in June in Ios79
    79°F max day temperature
  • 13 hours of sunshine per day
  • 2 days with some rainfall in June in Ios2
    2 days with some rainfall
  • 66°F minimum night-time temperature in June in Ios66
    66°F min night temperature
  • 15 hours of daylight per day in June in Ios15
    15 hours of daylight per day
  • Low heat & humidity in June in IosL
    Low heat & humidity
  • 0.2 inches monthly rainfall in June in Ios0.2
    0.2 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in June in Ios10
    10 (Very High) UV index
  • 72°F sea temperature in June in Ios72
    72°F sea temperature

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Ios weather in July

Expect daytime maximum temperatures of 81°F in Ios, Greece in July based on long-term weather averages. There are 14 hours of sunshine per day on average.

  • 81°F maximum daytime temperature in July in Ios81
    81°F max day temperature
  • 14 hours of sunshine per day
  • 1 day with some rainfall in July in Ios1
    1 day with some rainfall
  • 70°F minimum night-time temperature in July in Ios70
    70°F min night temperature
  • 14 hours of daylight per day in July in Ios14
    14 hours of daylight per day
  • Moderate heat & humidity in July in IosM
    Moderate heat & humidity
  • 0.1 inches monthly rainfall in July in Ios0.1
    0.1 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in July in Ios10
    10 (Very High) UV index
  • 73°F sea temperature in July in Ios73
    73°F sea temperature

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Ios weather in August

Expect daytime maximum temperatures of 79°F in Ios, Greece in August based on long-term weather averages. There are 13 hours of sunshine per day on average.

  • 79°F maximum daytime temperature in August in Ios79
    79°F max day temperature
  • 13 hours of sunshine per day
  • 0 days with some rainfall in August in Ios0
    0 days with some rainfall
  • 70°F minimum night-time temperature in August in Ios70
    70°F min night temperature
  • 14 hours of daylight per day in August in Ios14
    14 hours of daylight per day
  • Moderate heat & humidity in August in IosM
    Moderate heat & humidity
  • 0.1 inches monthly rainfall in August in Ios0.1
    0.1 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Ios9
    9 (Very High) UV index
  • 75°F sea temperature in August in Ios75
    75°F sea temperature

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Ios weather in September

Expect daytime maximum temperatures of 75°F in Ios, Greece in September based on long-term weather averages. There are 11 hours of sunshine per day on average.

  • 75°F maximum daytime temperature in September in Ios75
    75°F max day temperature
  • 11 hours of sunshine per day
  • 2 days with some rainfall in September in Ios2
    2 days with some rainfall
  • 66°F minimum night-time temperature in September in Ios66
    66°F min night temperature
  • 12 hours of daylight per day in September in Ios12
    12 hours of daylight per day
  • Low heat & humidity in September in IosL
    Low heat & humidity
  • 0.5 inches monthly rainfall in September in Ios0.5
    0.5 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Ios7
    7 (High) UV index
  • 73°F sea temperature in September in Ios73
    73°F sea temperature

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Ios weather in October

Expect daytime maximum temperatures of 70°F in Ios, Greece in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 2.0 inches of rainfall in the month.

  • 70°F maximum daytime temperature in October in Ios70
    70°F max day temperature
  • 7 hours of sunshine per day
  • 5 days with some rainfall in October in Ios5
    5 days with some rainfall
  • 61°F minimum night-time temperature in October in Ios61
    61°F min night temperature
  • 11 hours of daylight per day in October in Ios11
    11 hours of daylight per day
  • No heat & humidity in October in Ios0
    No heat & humidity
  • 2.0 inches monthly rainfall in October in Ios2.0
    2.0 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in October in Ios5
    5 (Moderate) UV index
  • 72°F sea temperature in October in Ios72
    72°F sea temperature

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Ios weather in November

Expect daytime maximum temperatures of 64°F in Ios, Greece in November based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 2.5 inches of rainfall in the month.

  • 64°F maximum daytime temperature in November in Ios64
    64°F max day temperature
  • 6 hours of sunshine per day
  • 8 days with some rainfall in November in Ios8
    8 days with some rainfall
  • 55°F minimum night-time temperature in November in Ios55
    55°F min night temperature
  • 10 hours of daylight per day in November in Ios10
    10 hours of daylight per day
  • No heat & humidity in November in Ios0
    No heat & humidity
  • 2.5 inches monthly rainfall in November in Ios2.5
    2.5 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in November in Ios3
    3 (Moderate) UV index
  • 66°F sea temperature in November in Ios66
    66°F sea temperature

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Ios weather in December

Expect daytime maximum temperatures of 59°F in Ios, Greece in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 3.8 inches of rainfall in the month.

  • 59°F maximum daytime temperature in December in Ios59
    59°F max day temperature
  • 4 hours of sunshine per day
  • 12 days with some rainfall in December in Ios12
    12 days with some rainfall
  • 50°F minimum night-time temperature in December in Ios50
    50°F min night temperature
  • 10 hours of daylight per day in December in Ios10
    10 hours of daylight per day
  • No heat & humidity in December in Ios0
    No heat & humidity
  • 3.8 inches monthly rainfall in December in Ios3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Ios2
    2 (Low) UV index
  • 63°F sea temperature in December in Ios63
    63°F sea temperature

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More about Ios

Ios by month

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

Recommended for Greece

  • 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 Greece (Ios) 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 Ios weather with the UK

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

Maximum daytime temperature (°F)

Ios, Greece
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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