Water temperature in Blue Grotto in July

Is it warm enough to swim in Blue Grotto in July? Average water temperature in Blue Grotto in July is 26.2°C and therefore suitable for comfortable swimming. The warmest sea in Blue Grotto in July is 30.2°C, and the coldest is 22.7°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Blue Grotto

Changes water temperature in Blue Grotto in July 2025, 2024

To get an accurate forecast for the water temperature in Blue Grotto for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Blue Grotto, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of July.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 July	27.2°C	24.8°C	22.7°C	27.5°C
2 July	27.3°C	25.4°C	23.4°C	27.4°C
3 July	27.8°C	24.7°C	23.8°C	27.8°C
4 July	28.2°C	24.5°C	23.5°C	28.2°C
5 July	28.1°C	25.1°C	23.7°C	28.1°C
6 July	28.1°C	25.5°C	24.1°C	28.1°C
7 July	28°C	25.6°C	24°C	28.2°C
8 July	27.8°C	25.3°C	24.1°C	27.8°C
9 July	27.1°C	26°C	24.2°C	27.4°C
10 July	26.8°C	26.5°C	24°C	27.8°C
11 July	26.2°C	27°C	23.8°C	28°C
12 July	26.3°C	27.2°C	23.8°C	28.1°C
13 July	26.2°C	27.5°C	23.7°C	27.9°C
14 July	26.5°C	27.7°C	23.8°C	28.5°C
15 July	26.5°C	27.8°C	24°C	28.9°C

Day	2025	2024	Min	Max
16 July	26.7°C	27.8°C	24.5°C	28.8°C
17 July	27°C	28.2°C	24.7°C	29.3°C
18 July	26.9°C	28.4°C	24.8°C	29°C
19 July	27.2°C	28.6°C	24.9°C	29.6°C
20 July	27.3°C	28.5°C	25.1°C	29.9°C
21 July	27°C	28.4°C	25°C	29.9°C
22 July	27.3°C	28°C	24.9°C	29.8°C
23 July	27.2°C	27.9°C	24.8°C	29.5°C
24 July	27.6°C	27.8°C	24.1°C	30.2°C
25 July	27.3°C	28.1°C	24.2°C	29°C
26 July	27.5°C	27.8°C	23.9°C	28.4°C
27 July	27.3°C	28°C	24.2°C	28.8°C
28 July	26.9°C	27.7°C	24.2°C	28.6°C
29 July	26.6°C	28.3°C	23.6°C	28.5°C
30 July	26.5°C	28.5°C	23.7°C	28.5°C
31 July	26.1°C	28.5°C	24°C	28.7°C

Average water temperature in Blue Grotto in July over a decade

2016	2017	2018	2019	2020
25.9°C	25.6°C	25.8°C	26.5°C	25.9°C

2021	2022	2023	2024	2025
26.5°C	27.5°C	27.9°C	27.1°C	27.1°C

Blue Grotto sea state in July

Chart comparing the height of waves in Blue Grotto in July over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Blue Grotto water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in July. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Nerano	26.1°C	22.7°C	30.1°C
Torca	26.1°C	22.6°C	30.2°C
Procida island	26.2°C	22.8°C	30.1°C
Positano	26°C	22.6°C	30.3°C
Ischia island	26.2°C	22.8°C	30.2°C
Castellammare di Stabia	26.1°C	22.6°C	30°C
Vico Equense	25.9°C	22.6°C	29.9°C
Posillipo	26.2°C	22.7°C	30.2°C
Naples	26.3°C	22.7°C	30.2°C
Bagnoli	26.2°C	22.8°C	30.2°C

Campania photo gallery

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Vote for Campania best beach

Get widget or API for your website

Our report for Blue Grotto is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature