Bristol — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Bristol, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Bristol today is 13.5°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
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUN 25 | 13.2°C | 17.9°C | |
| JUN 26 | 13.2°C | 17.9°C | |
| JUN 27 | 13.6°C | 17.9°C | |
| JUN 28 | 13.6°C | 17.9°C | |
| JUN 29 | 13.2°C | 17.9°C | |
| JUN 30 | 13.6°C | 17.9°C | |
| JUL 1 | 13.5°C | 19.3°C | |
| JUL 3 | 19.3°C | 13.8°C | |
| JUL 4 | 19.3°C | 14.1°C | |
| JUL 5 | 19.3°C | 14.4°C | |
| JUL 6 | 19.3°C | 14.7°C | |
| JUL 7 | 19.3°C | 15.0°C | |
| JUL 8 | 19.3°C | 15.2°C | |
| JUL 9 | 19.3°C | 15.5°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 |
|---|---|---|---|
| January | 2°C | 6°C | 9°C |
| February | 3°C | 7°C | 9°C |
| March | 5°C | 9°C | 11°C |
| April | 7°C | 11°C | 14°C |
| May | 8°C | 14°C | 18°C |
| June | 11°C | 18°C | 24°C |
| July | 13°C | 19°C | 25°C |
| August | 15°C | 19°C | 24°C |
| September | 13°C | 18°C | 22°C |
| October | 9°C | 13°C | 16°C |
| November | 5°C | 9°C | 11°C |
| December | 3°C | 7°C | 9°C |
Bristol: Weather Forecast
July 2
July 3
July 4
July 5
July 6
Location & Local Information
Bristol, a vibrant city in southwest England, lies near the tidal lower reaches of the River Severn, where the river broadens dramatically before flowing into the Bristol Channel. Because this stretch is heavily influenced by tides from the Atlantic Ocean, the water temperature and conditions differ from the calmer upper river. In winter, the Severn near Bristol averages around 6–8°C (43–46°F), rising gradually to 11–13°C (52–55°F) in spring. During the warmest months, July and August, surface temperatures can reach 17–19°C (63–66°F), but the powerful tidal currents and mixing of salt and freshwater keep the water feeling cooler than in inland sections. By autumn, temperatures decline again to around 12–14°C (54–57°F).
Swimming in the Severn around Bristol is not recommended due to the extreme tidal range, strong currents, and variable water quality. Instead, many locals enjoy safe open-water swimming at managed sites nearby or along the city’s floating harbour, where events and swimming clubs operate under controlled conditions. For those drawn to the water in other ways, Bristol offers scenic waterfront walks, harbourside cafes, and views of the iconic Clifton Suspension Bridge. The surrounding Avon Gorge and nearby coastal areas provide further opportunities for outdoor recreation in a distinctive maritime setting.