Temperature:

Your Favorite Locations:

Your favorites list is empty.

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

18.9°C
Today
20.6°C
Yesterday
20.8°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 18.9°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 July 31 to August 31

Table of Daily Sea Temperature Data

Date Current Average Forecast
AUG 2420.8°C17.3°C
AUG 2520.8°C17.3°C
AUG 2620.6°C17.3°C
AUG 2720.6°C17.3°C
AUG 2820.6°C17.3°C
AUG 2920.6°C17.3°C
AUG 3020.6°C17.3°C
AUG 3120.6°C17.3°C
SEP 114.0°C18.7°C
SEP 214.0°C18.4°C
SEP 314.0°C18.2°C
SEP 414.0°C17.9°C
SEP 514.0°C17.7°C
SEP 614.0°C17.4°C
SEP 714.0°C17.2°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°C23°C
September9°C14°C18°C
October8°C11°C14°C
November4°C8°C10°C
December1°C5°C9°C

Petroșani: Weather Forecast

September 1

° / °
slight rain
rain: 40% | wind:

September 2

° / °
slight thunderstorm
rain: 8% | wind:

September 3

° / °
slight rain showers
rain: 25% | wind:

September 4

° / °
fog
rain: 0% | wind:

September 5

° / °
overcast
rain: 0% | wind:

September 6

° / °
overcast
rain: 3% | 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 18.9°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 - 23°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.