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Lake Alserio — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Lake Alserio, trends, monthly ranges and the forecast for the coming days.

Lake Alserio, Italy
Lake Alserio, Italy © By Broc, CC BY 3.0

Current Water Temperature

25.1°C
Today
24.8°C
Yesterday
23.1°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Lake Alserio today is 25.1°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature Chart Over the Last 30 Days

From May 30 to June 30

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 2323.1°C19.8°C
JUN 2423.4°C19.8°C
JUN 2524.0°C19.8°C
JUN 2624.1°C19.8°C
JUN 2724.1°C19.8°C
JUN 2824.3°C19.8°C
JUN 2924.8°C19.8°C
JUN 3025.1°C19.8°C
JUL 122.0°C24.9°C
JUL 222.0°C24.8°C
JUL 322.0°C24.6°C
JUL 422.0°C24.5°C
JUL 522.0°C24.3°C
JUL 622.0°C24.2°C
JUL 722.0°C24.0°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January4°C9°C12°C
February4°C8°C11°C
March7°C11°C14°C
April9°C13°C17°C
May10°C16°C22°C
June14°C20°C26°C
July17°C22°C27°C
August17°C22°C27°C
September13°C19°C24°C
October11°C15°C19°C
November6°C11°C14°C
December5°C9°C12°C

Lake Alserio: Water Temperature by Location

Lake Alserio: Weather Forecast

July 1

° / °
overcast
rain: 41% | wind:

July 2

° / °
clear sky
rain: 5% | wind:

July 3

° / °
partly cloudy
rain: 5% | wind:

July 4

° / °
overcast
rain: 3% | wind:

Location & Local Information

Lake Alserio, in Lombardy, is a relatively small, shallow lake whose water temperatures vary notably through the year. In winter the surface commonly ranges from about 1–6 °C (34–43 °F), while spring brings a gradual rise to roughly 7–15 °C (45–59 °F). Peak summer temperatures in sheltered, shallow parts of the lake can reach around 20–26 °C (68–79 °F), and autumn sees cooling back to roughly 10–18 °C (50–64 °F). Because the lake is not very deep, it tends to warm up faster in calm, sunny conditions, but it can also cool quickly and be affected by seasonal weather swings.

Swimming in Lake Alserio does take place and is generally allowed in non-protected, designated spots, though official facilities are limited compared with larger tourist lakes. The lake’s shallow, eutrophic character means that warm periods can encourage algal growth or reduced clarity, and some shoreline zones are protected for nature conservation; for those reasons local authorities sometimes restrict bathing in specific areas or post guidance about water quality. In practice visitors swim in suitable sections during the summer months when surface temperatures are most comfortable, taking account of posted notices and local recommendations about safe and permissible places to enter the water.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Lake Alserio?
Water Temperature in Lake Alserio today is 25.1°C.
What is the water temperature in Lake Alserio during the summer months?
The water temperature in Lake Alserio in summer fluctuates in the range of 14°C - 27°C.
Is it possible to swim in Lake Alserio (Italy) and what are the possibilities for this?
Yes — you can swim in Lake Alserio at a few small public beaches and informal shoreline spots, but much of the lake is a protected natural area where bathing may be limited to protect wildlife, facilities and water quality vary, and you should follow local signs and rules before entering.