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Římov — Current Water Temperature, Annual Trends and Forecast

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

Vodní nádrž Římov, Czech Republic
Vodní nádrž Římov, Czech Republic © Czeva, CC BY-SA 4.0

Current Water Temperature

13.0°C
Today
13.2°C
Yesterday
13.2°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 Římov today is 13°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 September 9 to October 10

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 313.2°C11.5°C
OCT 412.9°C11.5°C
OCT 512.6°C11.5°C
OCT 613.2°C11.5°C
OCT 712.6°C11.5°C
OCT 812.3°C11.5°C
OCT 913.2°C11.5°C
OCT 1013.5°C11.5°C
OCT 1111.5°C12.9°C
OCT 1211.5°C12.9°C
OCT 1311.5°C12.8°C
OCT 1411.5°C12.7°C
OCT 1511.5°C12.6°C
OCT 1611.5°C12.6°C
OCT 1711.5°C12.5°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
January1°C5°C9°C
February1°C5°C9°C
March2°C7°C11°C
April5°C10°C16°C
May8°C13°C21°C
June14°C18°C23°C
July16°C20°C24°C
August15°C20°C25°C
September11°C16°C21°C
October7°C12°C16°C
November2°C10°C16°C
December1°C5°C8°C

Římov: Weather Forecast

October 11

° / °
overcast
rain: 9% | wind:

October 12

° / °
overcast
rain: 6% | wind:

October 13

° / °
overcast
rain: 7% | wind:

October 14

° / °
slight rain
rain: 14% | wind:

October 15

° / °
overcast
rain: 5% | wind:

Location & Local Information

Římov is a small town in the South Bohemian Region of the Czech Republic, located near the Vodní nádrž Římov reservoir. This reservoir serves mainly as a water supply and flood control facility, which means that swimming is limited and regulated in many areas. During the summer months of July and August, water temperatures near Římov can reach around 20–22 °C in accessible spots, providing conditions that are comfortable for swimming where it is allowed. The calm waters near the town make brief dips or wading enjoyable, especially in designated or less regulated areas.

Swimming at Římov is mostly informal and usually takes place in quieter parts of the reservoir, away from boating lanes and water management zones. The shoreline is natural, with gentle slopes in some areas, making it relatively safe for families and children who want to enjoy a short swim or just cool off in the water. Many visitors combine swimming with picnics, walking along the water’s edge, or enjoying the peaceful surroundings of the reservoir.

Outside the peak summer period, water temperatures drop noticeably. In May or September, the reservoir usually stays around 14–16 °C, which is generally too cool for long swims but still allows for brief wading or dipping. Even when swimming is not ideal, the area near Římov offers a tranquil environment for nature walks, birdwatching, and enjoying the scenic beauty of South Bohemia.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Římov?
Water Temperature in Římov today is 13°C.
What is the water temperature in Římov during the summer months?
The water temperature in Římov in summer fluctuates in the range of 14°C - 25°C.
Is it possible to swim in Římov (Czech Republic) in Vodní nádrž Římov and what are the possibilities for this?
Yes — you can swim in the Římov Reservoir in designated places, where visitors may bathe from permitted shore sections or small beaches and enjoy limited non‑motorized water recreation, but access is restricted near the dam and drinking‑water protection zones so you must follow local signs and rules.