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Lom River — Current Water Temperature, Annual Trends and Forecast

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

Lom River, Bulgaria
Lom River, Bulgaria © Nolan, CC BY-SA 2.5

Current Water Temperature

24.6°C
Today
23.8°C
Yesterday
22.5°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 Lom River today is 24.6°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 31 to July 1

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 2322.5°C18.7°C
JUN 2422.5°C18.7°C
JUN 2522.7°C18.7°C
JUN 2622.7°C18.7°C
JUN 2723.0°C18.7°C
JUN 2823.0°C18.7°C
JUN 2923.8°C18.7°C
JUN 3024.3°C18.7°C
JUL 118.0°C24.3°C
JUL 218.0°C23.9°C
JUL 318.0°C23.6°C
JUL 418.0°C23.3°C
JUL 518.0°C23.0°C
JUL 618.0°C22.6°C
JUL 718.0°C22.3°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
January2°C7°C10°C
February3°C7°C10°C
March4°C9°C13°C
April8°C13°C16°C
May9°C14°C20°C
June13°C19°C25°C
July14°C18°C23°C
August15°C19°C24°C
September13°C18°C22°C
October10°C14°C17°C
November6°C9°C12°C
December4°C8°C10°C

Lom River: Water Temperature by Location

Lom River: Weather Forecast

July 1

° / °
slight rain showers
rain: 48% | wind:

July 2

° / °
slight rain showers
rain: 77% | wind:

July 3

° / °
overcast
rain: 40% | wind:

July 4

° / °
overcast
rain: 17% | wind:

Location & Local Information

Source:
• location N of Midzhur, Balkan Mountains
• coordinates 43°23′42″N 22°40′58.08″E
• elevation 2,100 m (6,900 ft)
Mouth:
• location Danube
• coordinates 43°50′9.96″N 23°14′57.84″E
• elevation 28 m (92 ft)
Length 93 km (58 mi)

The Lom River (река Лом) in northwestern Bulgaria, joining the Danube at the town of Lom, shows typical temperate-river seasonal temperature behavior. In winter the water is cold, commonly around 0–4 °C (32–39 °F). Spring brings a steady rise as snowmelt and warming air push temperatures into roughly 4–12 °C (39–54 °F). Summer sees the warmest conditions, especially in shallow stretches and slow-moving backwaters, with typical surface temperatures in the neighborhood of 18–25 °C (64–77 °F). In autumn the river cools again to about 10–16 °C (50–61 °F) as air temperatures fall and flow increases. Local conditions such as depth, shading, recent weather and inflows can shift these ranges by several degrees.

Swimming along the Lom is possible in some places, but it is not universally recommended or officially sanctioned throughout the urban and port sections. Factors limiting safe bathing include strong currents in the main channel, boat and commercial traffic near the confluence with the Danube, variable water quality and lack of lifeguards or marked bathing areas. Where locals do swim, they tend to choose calmer side arms or cleaner rural stretches outside the port zone; anyone considering entering the river should check current local advisories, signage and visible water quality before doing so.

Nearby Rivers

Frequently Asked Questions

What is the current water temperature in the Lom River?
Water Temperature in the Lom River today is 24.6°C.
What is the water temperature in the Lom River during the summer months?
The water temperature in the Lom River in summer fluctuates in the range of 13°C - 25°C.
Is it possible to swim in Lom (Bulgaria) and what are the possibilities for this?
Yes — you can swim around Lom, mainly in the Danube at informal riverbank spots and in any local pools or organized bathing areas when open, but conditions, currents and water quality vary so it's advisable to check local safety information and use marked or supervised places where possible.