Which is the hottest month in Galissas?

The hottest time of year in Galissas is normally July. Expect maximum daytime temperatures to reach 28°C with moderate heat and humidity.

Which month has the most rain in Galissas?

In terms of rainfall, December is usually the wettest month in Galissas with 91mm on average. There are normally 11 days in December with some rain.

When is it sunniest in Galissas?

The sunniest time of year in Galissas is normally July with bright sunshine on average for 93% of daylight hours; that's 14 hours of sunshine per day.

When is the sea warmest in Galissas?

The sea is usually at its warmest in Galissas in August when the water temperature reaches 24°C.

Best time to visit Galissas

Q: When is the best time to visit Galissas?

The best time to visit Galissas is May, June, July, August and September based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

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Galissas by month

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

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Destination

When is the best time to visit Galissas?

The best time to visit Galissas is May, June, July, August and September based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

0.5
Jan
1
Feb
1.5
Mar
3
Apr
5
May
5
Jun
5
Jul
5
Aug
5
Sep
4
Oct
1.5
Nov
0.5
Dec

Change criteria

Max Day Temperature (°C)

13
Jan
13
Feb
15
Mar
18
Apr
22
May
26
Jun
28
Jul
27
Aug
25
Sep
21
Oct
18
Nov
15
Dec

Hours of Sunshine (daily)

4
Jan
5
Feb
7
Mar
8
Apr
10
May
13
Jun
14
Jul
13
Aug
10
Sep
7
Oct
5
Nov
4
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Syros, represented by Galissas, (Galissas) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

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