Galissas weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Galissas (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	13	13	15	18	22	26	28	27	25	21	18	15
Min temperature (night-time)	8	8	9	12	15	19	22	21	19	16	13	10
Heat & Humidity	0	0	0	0	0	L	M	M	L	0	0	0
Sea temperature	15	15	15	16	18	22	23	24	23	21	18	16

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

Sunshine & UV index in Galissas

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	4	5	7	8	10	13	14	13	10	7	5	4
Daily hours of daylight	10	11	12	13	14	15	14	14	12	11	10	10
UV Index (Maximum)	2	3	5	6	8	9	10	9	7	5	3	2

Rainfall in Galissas

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	10	9	8	6	3	1	1	1	1	4	8	11
Average monthly rainfall (mm)	90	63	56	26	16	5	2	2	12	48	63	91

More about Galissas

Galissas by month

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

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The climate guide for Syros, represented by Galissas, (Galissas) 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 Galissas?

Galissas has a temperate climate with hot dry summers.

Galissas weather in January

Expect daytime maximum temperatures of 13°C in Galissas, Syros in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 10 days with some rainfall and typically 90 mm of rainfall in the month.

13
13°C max day temperature
4
4 hours of sunshine per day
10
10 days with some rainfall
8
8°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
90
90 mm of monthly rainfall
2
2 (Low) UV index
15
15°C sea temperature

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Galissas weather in February

Expect daytime maximum temperatures of 13°C in Galissas, Syros in February based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 63 mm of rainfall in the month.

13
13°C max day temperature
5
5 hours of sunshine per day
9
9 days with some rainfall
8
8°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
63
63 mm of monthly rainfall
3
3 (Moderate) UV index
15
15°C sea temperature

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Galissas weather in March

Expect daytime maximum temperatures of 15°C in Galissas, Syros in March based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 56 mm of rainfall in the month.

15
15°C max day temperature
7
7 hours of sunshine per day
8
8 days with some rainfall
9
9°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
56
56 mm of monthly rainfall
5
5 (Moderate) UV index
15
15°C sea temperature

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Galissas weather in April

Expect daytime maximum temperatures of 18°C in Galissas, Syros in April based on long-term weather averages. There are 8 hours of sunshine per day on average.

18
18°C max day temperature
8
8 hours of sunshine per day
6
6 days with some rainfall
12
12°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
26
26 mm of monthly rainfall
6
6 (High) UV index
16
16°C sea temperature

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Galissas weather in May

Expect daytime maximum temperatures of 22°C in Galissas, Syros in May based on long-term weather averages. There are 10 hours of sunshine per day on average.

22
22°C max day temperature
10
10 hours of sunshine per day
3
3 days with some rainfall
15
15°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
16
16 mm of monthly rainfall
8
8 (Very High) UV index
18
18°C sea temperature

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Galissas weather in June

Expect daytime maximum temperatures of 26°C in Galissas, Syros in June based on long-term weather averages. There are 13 hours of sunshine per day on average.

26
26°C max day temperature
13
13 hours of sunshine per day
1
1 day with some rainfall
19
19°C min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
5
5 mm of monthly rainfall
9
9 (Very High) UV index
22
22°C sea temperature

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Galissas weather in July

Expect daytime maximum temperatures of 28°C in Galissas, Syros in July based on long-term weather averages. There are 14 hours of sunshine per day on average.

28
28°C max day temperature
14
14 hours of sunshine per day
1
1 day with some rainfall
22
22°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
2
2 mm of monthly rainfall
10
10 (Very High) UV index
23
23°C sea temperature

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Galissas weather in August

Expect daytime maximum temperatures of 27°C in Galissas, Syros in August based on long-term weather averages. There are 13 hours of sunshine per day on average.

27
27°C max day temperature
13
13 hours of sunshine per day
1
1 day with some rainfall
21
21°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
2
2 mm of monthly rainfall
9
9 (Very High) UV index
24
24°C sea temperature

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Galissas weather in September

Expect daytime maximum temperatures of 25°C in Galissas, Syros in September based on long-term weather averages. There are 10 hours of sunshine per day on average.

25
25°C max day temperature
10
10 hours of sunshine per day
1
1 day with some rainfall
19
19°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
12
12 mm of monthly rainfall
7
7 (High) UV index
23
23°C sea temperature

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Galissas weather in October

Expect daytime maximum temperatures of 21°C in Galissas, Syros in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 48 mm of rainfall in the month.

21
21°C max day temperature
7
7 hours of sunshine per day
4
4 days with some rainfall
16
16°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
48
48 mm of monthly rainfall
5
5 (Moderate) UV index
21
21°C sea temperature

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Galissas weather in November

Expect daytime maximum temperatures of 18°C in Galissas, Syros in November based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 63 mm of rainfall in the month.

18
18°C max day temperature
5
5 hours of sunshine per day
8
8 days with some rainfall
13
13°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
63
63 mm of monthly rainfall
3
3 (Moderate) UV index
18
18°C sea temperature

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Galissas weather in December

Expect daytime maximum temperatures of 15°C in Galissas, Syros in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall and typically 91 mm of rainfall in the month.