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Skiathos in July: weather, sea & travel advice

This month's data profile

Sea conditions lead

Skiathos in July is climatically well suited to beach holidays, family holidays, city breaks and active holidays and hiking. The average daily high is around 27 °C, and the sea is about 25 °C. With about 2 rainy days it is very dry.

Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.

Rank among 12 monthly averages

92/100 · #3

Warmth

#2

Dryness

#1

Sun

#1

Sea warmth

#2

Published best categories: Overall, Beach, Family

Koukounaries Beach on SkiathosSkiathos · JulyPhoto: Shi Annan · CC BY-SA 4.0

Climate facts

Average high
27 °C
Average low
24 °C
Sea
25 °C
Rainy days (est.)
2 rainy days (est.)
Sun (est.)
9 h/day
Humidity
63 %

Climate evidence with direct month comparison

The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.

Climate averages for Skiathos: selected and adjacent months
MonthAvg high °CAvg low °CRainy days (est.)Precipitation mmSun h/day (est.)Humidity %Wind m/sSea °CScore
June25224239.2652.92393
July (selected)27242179.2633.32592
August28253178.2643.72691

How do the previous and next months compare?

Baseline: July (92/100)

Positive and negative values show the change from the selected month.

Score ΔAverage high ΔAverage low ΔRainy days ΔRain ΔSun ΔHumidity ΔWind ΔSea Δ
June+1-2.1 °C-2.6 °C+1.9+5.9 mm±0 h+2.6 %-0.4 m/s-2.6 °C
August-1+0.1 °C+0.3 °C+0.6±0 mm-1 h+1.4 %+0.3 m/s+0.9 °C

All twelve months in context

Sea temperature°C
14
J
14
F
14
M
15
A
19
M
23
J
25
J
26
A
25
S
22
O
18
N
16
D
Average daily high°C
12
J
12
F
14
M
17
A
21
M
25
J
27
J
28
A
25
S
21
O
17
N
13
D
Sunshine hours (estimated)h/day
2
J
3
F
5
M
7
A
8
M
9
J
9
J
8
A
6
S
4
O
3
N
2
D
Rainy days (estimated)
10
J
9
F
9
M
6
A
6
M
4
J
2
J
3
A
6
S
7
O
9
N
10
D
Koukounaries Beach on Skiathos

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Where to stay in Skiathos

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Useful next decisions

Skiathos · Month by month

Frequently asked questions

How warm is Skiathos in July?

The average daily high is around 27 °C, with an average daily low of about 24 °C.

Can you swim in Skiathos in July?

The sea is about 25 °C (warm).

Does it rain a lot in Skiathos in July?

The curated estimate is about 2 rainy days per month, not a directly measured long-term average. Total precipitation averages around 17 mm for the month. A rainy day does not mean all-day rain.

When is the best time to visit Skiathos?

By the climate score, June, July, August and September are the strongest months for Skiathos. For a beach trip: June, July, August and September. July is one of them.