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Symi weather by month
Check out Symi weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Symi (°C)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) | 14 |
14 |
17 |
20 |
25 |
30 |
32 |
32 |
29 |
24 |
19 |
16 |
| Min temperature (night-time) | 7 |
7 |
8 |
11 |
14 |
19 |
21 |
21 |
19 |
15 |
11 |
8 |
| Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
M |
H |
H |
M |
0 |
0 |
0 |
| Sea temperature | 17 |
17 |
16 |
17 |
19 |
22 |
24 |
26 |
25 |
23 |
21 |
19 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & UV index in Symi
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daily hours of sunshine | ||||||||||||
| Daily hours of daylight | 10 |
11 |
12 |
13 |
14 |
15 |
14 |
14 |
12 |
11 |
10 |
10 |
| UV Index (Maximum) | 2 |
3 |
5 |
6 |
8 |
10 |
10 |
9 |
7 |
5 |
3 |
2 |
Rainfall in Symi
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain | 14 |
12 |
9 |
7 |
4 |
3 |
5 |
6 |
4 |
6 |
9 |
14 |
| Average monthly rainfall (mm) | 185 |
138 |
88 |
37 |
23 |
12 |
3 |
5 |
14 |
69 |
110 |
190 |
More about Symi
Symi by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Greece
The climate guide for Greece (Symi) 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 Symi?
Symi has a temperate climate with hot dry summers.
Symi weather in January
Expect daytime maximum temperatures of 14°C in Symi, Greece in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 185 mm of rainfall in the month.
- 14°C max day temperature
14 - 5 hours of sunshine per day
- 14 days with some rainfall
14 - 7°C min night temperature
7 - 10 hours of daylight per day
10 - No heat & humidity
0 - 185 mm of monthly rainfall
185 - 2 (Low) UV index
2 - 17°C sea temperature
17
Symi weather in February
Expect daytime maximum temperatures of 14°C in Symi, Greece in February based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 138 mm of rainfall in the month.
- 14°C max day temperature
14 - 6 hours of sunshine per day
- 12 days with some rainfall
12 - 7°C min night temperature
7 - 11 hours of daylight per day
11 - No heat & humidity
0 - 138 mm of monthly rainfall
138 - 3 (Moderate) UV index
3 - 17°C sea temperature
17
Symi weather in March
Expect daytime maximum temperatures of 17°C in Symi, Greece in March based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 88 mm of rainfall in the month.
- 17°C max day temperature
17 - 7 hours of sunshine per day
- 9 days with some rainfall
9 - 8°C min night temperature
8 - 12 hours of daylight per day
12 - No heat & humidity
0 - 88 mm of monthly rainfall
88 - 5 (Moderate) UV index
5 - 16°C sea temperature
16
Symi weather in April
Expect daytime maximum temperatures of 20°C in Symi, Greece in April based on long-term weather averages. There are 9 hours of sunshine per day on average.
- 20°C max day temperature
20 - 9 hours of sunshine per day
- 7 days with some rainfall
7 - 11°C min night temperature
11 - 13 hours of daylight per day
13 - No heat & humidity
0 - 37 mm of monthly rainfall
37 - 6 (High) UV index
6 - 17°C sea temperature
17
Symi weather in May
Expect daytime maximum temperatures of 25°C in Symi, Greece in May based on long-term weather averages. There are 11 hours of sunshine per day on average.
- 25°C max day temperature
25 - 11 hours of sunshine per day
- 4 days with some rainfall
4 - 14°C min night temperature
14 - 14 hours of daylight per day
14 - No heat & humidity
0 - 23 mm of monthly rainfall
23 - 8 (Very High) UV index
8 - 19°C sea temperature
19
Symi weather in June
Expect daytime maximum temperatures of 30°C in Symi, Greece in June based on long-term weather averages. There are 13 hours of sunshine per day on average.
- 30°C max day temperature
30 - 13 hours of sunshine per day
- 3 days with some rainfall
3 - 19°C min night temperature
19 - 15 hours of daylight per day
15 - Moderate heat & humidity
M - 12 mm of monthly rainfall
12 - 10 (Very High) UV index
10 - 22°C sea temperature
22
Symi weather in July
Expect daytime maximum temperatures of 32°C in Symi, Greece in July and high heat and humidity based on long-term weather averages. There are 14 hours of sunshine per day on average.
- 32°C max day temperature
32 - 14 hours of sunshine per day
- 5 days with some rainfall
5 - 21°C min night temperature
21 - 14 hours of daylight per day
14 - High heat & humidity
H - 3 mm of monthly rainfall
3 - 10 (Very High) UV index
10 - 24°C sea temperature
24
Symi weather in August
Expect daytime maximum temperatures of 32°C in Symi, Greece in August and high heat and humidity based on long-term weather averages. There are 13 hours of sunshine per day on average.
- 32°C max day temperature
32 - 13 hours of sunshine per day
- 6 days with some rainfall
6 - 21°C min night temperature
21 - 14 hours of daylight per day
14 - High heat & humidity
H - 5 mm of monthly rainfall
5 - 9 (Very High) UV index
9 - 26°C sea temperature
26
Symi weather in September
Expect daytime maximum temperatures of 29°C in Symi, Greece in September based on long-term weather averages. There are 11 hours of sunshine per day on average.
- 29°C max day temperature
29 - 11 hours of sunshine per day
- 4 days with some rainfall
4 - 19°C min night temperature
19 - 12 hours of daylight per day
12 - Moderate heat & humidity
M - 14 mm of monthly rainfall
14 - 7 (High) UV index
7 - 25°C sea temperature
25
Symi weather in October
Expect daytime maximum temperatures of 24°C in Symi, Greece in October based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 69 mm of rainfall in the month.
- 24°C max day temperature
24 - 8 hours of sunshine per day
- 6 days with some rainfall
6 - 15°C min night temperature
15 - 11 hours of daylight per day
11 - No heat & humidity
0 - 69 mm of monthly rainfall
69 - 5 (Moderate) UV index
5 - 23°C sea temperature
23
Symi weather in November
Expect daytime maximum temperatures of 19°C in Symi, Greece in November based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 110 mm of rainfall in the month.
- 19°C max day temperature
19 - 6 hours of sunshine per day
- 9 days with some rainfall
9 - 11°C min night temperature
11 - 10 hours of daylight per day
10 - No heat & humidity
0 - 110 mm of monthly rainfall
110 - 3 (Moderate) UV index
3 - 21°C sea temperature
21
Symi weather in December
Expect daytime maximum temperatures of 16°C in Symi, Greece in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 190 mm of rainfall in the month.
- 16°C max day temperature
16 - 5 hours of sunshine per day
- 14 days with some rainfall
14 - 8°C min night temperature
8 - 10 hours of daylight per day
10 - No heat & humidity
0 - 190 mm of monthly rainfall
190 - 2 (Low) UV index
2 - 19°C sea temperature
19
More about Symi
Symi 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
The climate guide for Greece (Symi) 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 Symi weather with the UK
The weather chart below compares the average monthly maximum daytime temperature for Symi, Greece and the UK (London).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
More about Greece
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