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Kostopil — Current Water Temperature, Annual Trends and Forecast

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

Zamchys'ko River, Ukraine
Zamchys'ko River, Ukraine © Koshelyev, CC BY-SA 3.0

Current Water Temperature

20.5°C
Today
22.9°C
Yesterday
19.5°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 Kostopil today is 20.5°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 23 to July 24

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUL 1720.7°C18.5°C
JUL 1821.5°C18.5°C
JUL 1922.5°C18.5°C
JUL 2022.6°C18.5°C
JUL 2123.2°C18.5°C
JUL 2222.9°C18.5°C
JUL 2322.5°C18.5°C
JUL 2518.5°C20.4°C
JUL 2618.5°C20.3°C
JUL 2718.5°C20.2°C
JUL 2818.5°C20.1°C
JUL 2918.5°C20.0°C
JUL 3018.5°C19.9°C
JUL 3118.5°C19.8°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°C9°C
March0°C5°C10°C
April5°C9°C12°C
May6°C12°C18°C
June12°C18°C24°C
July13°C19°C24°C
August14°C18°C23°C
September10°C15°C19°C
October6°C9°C12°C
November3°C7°C10°C
December1°C5°C9°C

Kostopil: Weather Forecast

July 24

° / °
slight thunderstorm
rain: 70% | wind:

July 25

° / °
fog
rain: 25% | wind:

July 26

° / °
fog
rain: 0% | wind:

July 27

° / °
overcast
rain: 26% | wind:

July 28

° / °
overcast
rain: 48% | wind:

July 29

° / °
slight rain showers
rain: 20% | wind:

Location & Local Information

Kostopil, located in Rivne Oblast, is crossed by the small Zamchys’ko River, which flows quietly through the town’s green areas and outskirts. The river is shallow and narrow, so during summer it warms up quickly — temperatures often range between 21 and 25°C. Because of its modest size and slow current, the water feels pleasantly mild on hot days, though after rains it can become slightly muddy. In dry and sunny periods, the river stays clean and clear enough for brief swimming or wading.

Swimming in the Zamchys’ko within Kostopil is limited but possible in several natural spots where the banks are low and the water a bit deeper. Locals, especially children and young people, often cool off there in summer. It’s not a large or developed recreational river, but it offers a quiet, natural setting for a refreshing dip. For residents of Kostopil, the Zamchys’ko remains more of a peaceful local retreat than a formal swimming place.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Kostopil?
Water Temperature in Kostopil today is 20.5°C.
What is the water temperature in Kostopil during the summer months?
The water temperature in Kostopil in summer fluctuates in the range of 12°C - 24°C.
Is it possible to swim in Kostopil (Ukraine) in Zamchys'ko and what are the possibilities for this?
Swimming in Zamchys'ko near Kostopil is possible at informal shoreline spots used by locals, but there is no official guarded beach or facilities, so you should confirm water quality, local rules and safety conditions before entering.