Kefalonia weather by month

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °C
13°C maximum daytime temperature in January in Argostoli13
13°C maximum daytime temperature in February in Argostoli13
15°C maximum daytime temperature in March in Argostoli15
18°C maximum daytime temperature in April in Argostoli18
23°C maximum daytime temperature in May in Argostoli23
27°C maximum daytime temperature in June in Argostoli27
30°C maximum daytime temperature in July in Argostoli30
30°C maximum daytime temperature in August in Argostoli30
27°C maximum daytime temperature in September in Argostoli27
22°C maximum daytime temperature in October in Argostoli22
18°C maximum daytime temperature in November in Argostoli18
15°C maximum daytime temperature in December in Argostoli15
Hours of sunshine (daily)
Days with some rainfall
14 days with some rainfall in January in Argostoli14
13 days with some rainfall in February in Argostoli13
11 days with some rainfall in March in Argostoli11
10 days with some rainfall in April in Argostoli10
7 days with some rainfall in May in Argostoli7
3 days with some rainfall in June in Argostoli3
2 days with some rainfall in July in Argostoli2
2 days with some rainfall in August in Argostoli2
4 days with some rainfall in September in Argostoli4
10 days with some rainfall in October in Argostoli10
13 days with some rainfall in November in Argostoli13
15 days with some rainfall in December in Argostoli15
Sea temperature °C
16°C sea temperature in January in Argostoli16
15°C sea temperature in February in Argostoli15
15°C sea temperature in March in Argostoli15
16°C sea temperature in April in Argostoli16
19°C sea temperature in May in Argostoli19
22°C sea temperature in June in Argostoli22
24°C sea temperature in July in Argostoli24
26°C sea temperature in August in Argostoli26
25°C sea temperature in September in Argostoli25
22°C sea temperature in October in Argostoli22
20°C sea temperature in November in Argostoli20
17°C sea temperature in December in Argostoli17

More weather >>

More about Kefalonia

Kefalonia by month

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

Recommended for Kefalonia

TUI sale: 10% off 2026/2027 holidays

  • Save 10% on 2026/2027 holidays in biggest ever TUI sale
  • Max discount £500. T&Cs apply. £500 min spend
  • Travel between 1st May 2026 & 31st Oct 2027 (inclusive)
Show discount codeShow discount code ******ALE
Redeem TUI discount code >>

Expires at 23:59 on Saturday 31st Jan 2026 · View all TUI offers

TUITUI deal finder

The climate guide for Kefalonia (Argostoli) 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.

Top Kefalonia destinations

Below are average maximum temperatures at popular countries, regions and places in Kefalonia for next month - February. Select a destination to see the climate guide for all months of the year.

All Kefalonia destinations

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

Back to top

Kefalonia weather averages

Temperature in Kefalonia (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
13°C maximum daytime temperature in January in Kefalonia (Argostoli)13
13°C maximum daytime temperature in February in Kefalonia (Argostoli)13
15°C maximum daytime temperature in March in Kefalonia (Argostoli)15
18°C maximum daytime temperature in April in Kefalonia (Argostoli)18
23°C maximum daytime temperature in May in Kefalonia (Argostoli)23
27°C maximum daytime temperature in June in Kefalonia (Argostoli)27
30°C maximum daytime temperature in July in Kefalonia (Argostoli)30
30°C maximum daytime temperature in August in Kefalonia (Argostoli)30
27°C maximum daytime temperature in September in Kefalonia (Argostoli)27
22°C maximum daytime temperature in October in Kefalonia (Argostoli)22
18°C maximum daytime temperature in November in Kefalonia (Argostoli)18
15°C maximum daytime temperature in December in Kefalonia (Argostoli)15
Min temperature (night-time)
6°C minimum night-time temperature in January in Kefalonia (Argostoli)6
6°C minimum night-time temperature in February in Kefalonia (Argostoli)6
7°C minimum night-time temperature in March in Kefalonia (Argostoli)7
10°C minimum night-time temperature in April in Kefalonia (Argostoli)10
13°C minimum night-time temperature in May in Kefalonia (Argostoli)13
17°C minimum night-time temperature in June in Kefalonia (Argostoli)17
19°C minimum night-time temperature in July in Kefalonia (Argostoli)19
19°C minimum night-time temperature in August in Kefalonia (Argostoli)19
17°C minimum night-time temperature in September in Kefalonia (Argostoli)17
14°C minimum night-time temperature in October in Kefalonia (Argostoli)14
10°C minimum night-time temperature in November in Kefalonia (Argostoli)10
8°C minimum night-time temperature in December in Kefalonia (Argostoli)8
Heat & Humidity
No heat & humidity in January in Kefalonia (Argostoli)0
No heat & humidity in February in Kefalonia (Argostoli)0
No heat & humidity in March in Kefalonia (Argostoli)0
No heat & humidity in April in Kefalonia (Argostoli)0
No heat & humidity in May in Kefalonia (Argostoli)0
Moderate heat & humidity in June in Kefalonia (Argostoli)M
High heat & humidity in July in Kefalonia (Argostoli)H
High heat & humidity in August in Kefalonia (Argostoli)H
Moderate heat & humidity in September in Kefalonia (Argostoli)M
No heat & humidity in October in Kefalonia (Argostoli)0
No heat & humidity in November in Kefalonia (Argostoli)0
No heat & humidity in December in Kefalonia (Argostoli)0
Sea temperature
16°C sea temperature in January in Kefalonia (Argostoli)16
15°C sea temperature in February in Kefalonia (Argostoli)15
15°C sea temperature in March in Kefalonia (Argostoli)15
16°C sea temperature in April in Kefalonia (Argostoli)16
19°C sea temperature in May in Kefalonia (Argostoli)19
22°C sea temperature in June in Kefalonia (Argostoli)22
24°C sea temperature in July in Kefalonia (Argostoli)24
26°C sea temperature in August in Kefalonia (Argostoli)26
25°C sea temperature in September in Kefalonia (Argostoli)25
22°C sea temperature in October in Kefalonia (Argostoli)22
20°C sea temperature in November in Kefalonia (Argostoli)20
17°C sea temperature in December in Kefalonia (Argostoli)17

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

Sunshine & UV index in Kefalonia

  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 Kefalonia (Argostoli)10
11 hours of daylight per day in February in Kefalonia (Argostoli)11
12 hours of daylight per day in March in Kefalonia (Argostoli)12
13 hours of daylight per day in April in Kefalonia (Argostoli)13
14 hours of daylight per day in May in Kefalonia (Argostoli)14
15 hours of daylight per day in June in Kefalonia (Argostoli)15
15 hours of daylight per day in July in Kefalonia (Argostoli)15
14 hours of daylight per day in August in Kefalonia (Argostoli)14
12 hours of daylight per day in September in Kefalonia (Argostoli)12
11 hours of daylight per day in October in Kefalonia (Argostoli)11
10 hours of daylight per day in November in Kefalonia (Argostoli)10
10 hours of daylight per day in December in Kefalonia (Argostoli)10
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Kefalonia (Argostoli)2
UV (maximum) index 3 (Moderate) in February in Kefalonia (Argostoli)3
UV (maximum) index 5 (Moderate) in March in Kefalonia (Argostoli)5
UV (maximum) index 6 (High) in April in Kefalonia (Argostoli)6
UV (maximum) index 8 (Very High) in May in Kefalonia (Argostoli)8
UV (maximum) index 9 (Very High) in June in Kefalonia (Argostoli)9
UV (maximum) index 9 (Very High) in July in Kefalonia (Argostoli)9
UV (maximum) index 9 (Very High) in August in Kefalonia (Argostoli)9
UV (maximum) index 7 (High) in September in Kefalonia (Argostoli)7
UV (maximum) index 4 (Moderate) in October in Kefalonia (Argostoli)4
UV (maximum) index 3 (Moderate) in November in Kefalonia (Argostoli)3
UV (maximum) index 2 (Low) in December in Kefalonia (Argostoli)2

Rainfall in Kefalonia

  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 Kefalonia (Argostoli)14
13 days with some rainfall in February in Kefalonia (Argostoli)13
11 days with some rainfall in March in Kefalonia (Argostoli)11
10 days with some rainfall in April in Kefalonia (Argostoli)10
7 days with some rainfall in May in Kefalonia (Argostoli)7
3 days with some rainfall in June in Kefalonia (Argostoli)3
2 days with some rainfall in July in Kefalonia (Argostoli)2
2 days with some rainfall in August in Kefalonia (Argostoli)2
4 days with some rainfall in September in Kefalonia (Argostoli)4
10 days with some rainfall in October in Kefalonia (Argostoli)10
13 days with some rainfall in November in Kefalonia (Argostoli)13
15 days with some rainfall in December in Kefalonia (Argostoli)15
Average monthly rainfall (mm)
148 mm monthly rainfall in January in Kefalonia (Argostoli)148
118 mm monthly rainfall in February in Kefalonia (Argostoli)118
91 mm monthly rainfall in March in Kefalonia (Argostoli)91
58 mm monthly rainfall in April in Kefalonia (Argostoli)58
32 mm monthly rainfall in May in Kefalonia (Argostoli)32
13 mm monthly rainfall in June in Kefalonia (Argostoli)13
9 mm monthly rainfall in July in Kefalonia (Argostoli)9
14 mm monthly rainfall in August in Kefalonia (Argostoli)14
47 mm monthly rainfall in September in Kefalonia (Argostoli)47
135 mm monthly rainfall in October in Kefalonia (Argostoli)135
165 mm monthly rainfall in November in Kefalonia (Argostoli)165
187 mm monthly rainfall in December in Kefalonia (Argostoli)187

Compare Kefalonia weather with the UK

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

Maximum daytime temperature (°C)

Kefalonia, Greece (Argostoli)
UK (London)
13
7
13
7
15
10
18
13
23
17
27
20
30
22
30
22
27
19
22
15
18
10
15
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

Compare more weather >>

Back to top

More about Greece

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^