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Sesia River — Current Water Temperature, Annual Trends and Forecast

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

Sesia River, Italy
Sesia River, Italy © By Ferruccio Zanone, CC BY-SA 2.0

Current Water Temperature

18.0°C
Today
18.5°C
Yesterday
19.6°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 the Sesia River today is 18°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 September 10 to October 11

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 319.6°C14.0°C
OCT 419.4°C14.0°C
OCT 519.4°C14.0°C
OCT 619.1°C14.0°C
OCT 718.8°C14.0°C
OCT 818.9°C14.0°C
OCT 918.5°C14.0°C
OCT 1018.1°C14.0°C
OCT 1114.0°C17.8°C
OCT 1214.0°C17.6°C
OCT 1314.0°C17.4°C
OCT 1414.0°C17.2°C
OCT 1514.0°C17.0°C
OCT 1614.0°C16.8°C
OCT 1714.0°C16.6°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°C8°C11°C
February4°C8°C10°C
March7°C10°C13°C
April9°C12°C16°C
May9°C15°C21°C
June13°C19°C26°C
July15°C21°C28°C
August15°C22°C29°C
September12°C18°C24°C
October10°C14°C17°C
November6°C10°C13°C
December5°C9°C11°C

Sesia River: Water Temperature by Location

Sesia River: Weather Forecast

October 11

° / °
fog
rain: 3% | wind:

October 12

° / °
overcast
rain: 3% | wind:

October 13

° / °
overcast
rain: 0% | wind:

October 14

° / °
overcast
rain: 0% | wind:

October 15

° / °
overcast
rain: 3% | wind:

Location & Local Information

The Sesia is an Alpine river in Piedmont whose water temperature varies strongly with altitude, season and localized flows. In winter the river is cold, often ranging around 0–6 °C (32–43 °F) in many stretches, while spring temperatures are typically 4–12 °C (39–54 °F) as snowmelt keeps flows chilly. In summer the lower reaches can warm to roughly 14–22 °C (57–72 °F) on hot, low-flow days, though upstream and shaded sections remain noticeably cooler. Autumn sees a progressive drop, commonly 8–14 °C (46–57 °F). These figures are approximate averages: temperatures rise downstream and on slow, sun-exposed stretches and remain lower near the source and after rainfall or dam releases.

Swimming is permitted in much of the Sesia and the river is used recreationally for bathing, but it is not uniformly safe everywhere. Strong currents, rapid depth changes, submerged rocks and occasional sudden increases in flow from hydropower operations create hazards; cold water can also cause hypothermia even in summer. Local regulations, signage and seasonal monitoring determine permitted spots, and lifeguards are generally absent. For casual swimmers, summer in lower, calmer sections is the most comfortable option; more caution, flotation aids or a wetsuit are advisable, and in winter or during high spring runoff swimming should be avoided.

Nearby Rivers

Frequently Asked Questions

What is the current water temperature in the Sesia River?
Water Temperature in the Sesia River today is 18°C.
What is the water temperature in the Sesia River during the summer months?
The water temperature in the Sesia River in summer fluctuates in the range of 13°C - 29°C.
Is it possible to swim in Sesia (Italy) and what are the possibilities for this?
Yes — swimming is possible in parts of the Sesia River, especially in calmer stretches, pebbled river beaches and designated lidos or pools during the warmer months, while wild swimming in quiet meanders and nearby bathing areas is also common, though the water is often cold and currents can be strong so using supervised or marked spots is recommended.