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Petroșani — Current Water Temperature, Annual Trends and Forecast

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

Petroșani, Romania
Petroșani, Romania © By Eduard Gergely, CC BY-SA 4.0

Current Water Temperature

20.9°C
Today
21.0°C
Yesterday
20.0°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 Petroșani today is 20.9°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 June 21 to July 22

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUL 1520.0°C17.0°C
JUL 1620.4°C17.0°C
JUL 1720.7°C17.0°C
JUL 1820.7°C17.0°C
JUL 1920.7°C17.0°C
JUL 2021.9°C17.0°C
JUL 2121.0°C17.0°C
JUL 2220.9°C17.0°C
JUL 2317.0°C20.7°C
JUL 2417.0°C20.5°C
JUL 2517.0°C20.3°C
JUL 2617.0°C20.1°C
JUL 2717.0°C19.9°C
JUL 2817.0°C19.7°C
JUL 2917.0°C19.5°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
January0°C5°C9°C
February0°C5°C8°C
March2°C6°C10°C
April6°C9°C12°C
May7°C11°C16°C
June10°C15°C21°C
July12°C17°C22°C
August12°C17°C21°C
September9°C14°C18°C
October8°C11°C14°C
November4°C8°C10°C
December1°C5°C9°C

Petroșani: Weather Forecast

July 23

° / °
overcast
rain: 0% | wind:

July 24

° / °
overcast
rain: 58% | wind:

July 25

° / °
fog
rain: 10% | wind:

July 26

° / °
overcast
rain: 12% | wind:

July 27

° / °
slight rain showers
rain: 23% | wind:

Location & Local Information

Petroșani, located in the Jiu Valley of western Romania, is surrounded by small lakes and reservoirs that reflect mountain and valley conditions. Water temperatures in these bodies of water vary with the seasons: winter surface temperatures commonly hover around 0–4 °C (32–39 °F) and many smaller lakes can freeze over; spring generally sees 4–12 °C (39–54 °F) as meltwater cools the basins; summer brings the warmest conditions, with surface temperatures typically in the 12–22 °C range (54–72 °F), though shallow areas may warm a few degrees higher on hot spells; autumn cooling returns temperatures to roughly 6–14 °C (43–57 °F). Deeper or shaded reservoirs remain noticeably colder than shallow ponds even in midsummer.

Swimming opportunities depend on the specific lake and local regulations; some designated recreation areas permit swimming in summer when water quality and safety measures are in place, but many mountain and reservoir sites around Petroșani are unofficial and lack lifeguards, marked bathing zones, or monitoring. Historical mining activity and variable runoff can affect water quality in parts of the region, and reservoir operations may pose hazards such as sudden water level changes. For these reasons swimming is sometimes possible but should only be undertaken where signage and local authorities indicate it is allowed and safe.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Petroșani?
Water Temperature in Petroșani today is 20.9°C.
What is the water temperature in Petroșani during the summer months?
The water temperature in Petroșani in summer fluctuates in the range of 10°C - 22°C.
Is it possible to swim in Petroșani (Romania) in Jiu and what are the possibilities for this?
Swimming directly in the Jiu River through Petroșani is generally not recommended due to variable water quality, currents and safety concerns, so visitors and locals instead use municipal or private swimming pools in town or seek cleaner, permitted natural spots such as mountain lakes or reservoirs upstream where conditions are monitored and swimming is allowed.