Water temperature in Bolsena

This data the coastal Bolsena water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current water temperature in Bolsena

Water temperature in Bolsena today is 18°C. Based on our historical data over a period of ten years, the warmest water in this day in Bolsena was recorded in 2021 and was 20°C, and the coldest was recorded in 2022 at 17°C. Water temperature in Bolsena is expected to drop to 17.6°C in the next 10 days. September average water temperature in Bolsena is 21°C, the minimum temperature is 16°C, and the maximum is 26°C.

The swimming season in Bolsena lasts from June to September. During those months, Bolsena water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Bolsena in winter reaches 7.7°C, in spring 12.2°C, in summer the average temperature rises to 24.1°C, and in autumn it is 16.6°C.

Bolsena water temperature now

Current temperature and weather

Data in a table show Bolsena temperature today (26 September 2025). For more information and forecast for a few days, go to the weather forecast Bolsena.

0-3 h	3-6 h	6-9 h	9-12 h
12.6°C	12.9°C	12.6°C	17.8°C

12-15 h	15-18 h	18-21 h	21-24 h
22.2°C	21.3°C	16.1°C	13.9°C

Bolsena water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Bolsena. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Bolsena on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Bolsena

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.

Lake Bolsena, Lago di Bolsena

Get widget or API for your website

Our report for Bolsena 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.