Christchurch — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Christchurch, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Christchurch today is 18°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 |
|---|---|---|---|
| AUG 18 | 18.6°C | 18.0°C | |
| AUG 19 | 18.6°C | 18.0°C | |
| AUG 20 | 18.5°C | 18.0°C | |
| AUG 21 | 18.5°C | 18.0°C | |
| AUG 22 | 18.0°C | 18.0°C | |
| AUG 23 | 18.0°C | 18.0°C | |
| AUG 24 | 18.0°C | 18.0°C | |
| AUG 25 | 18.0°C | 18.0°C | |
| AUG 26 | 18.0°C | 17.9°C | |
| AUG 27 | 18.0°C | 17.7°C | |
| AUG 28 | 18.0°C | 17.6°C | |
| AUG 29 | 18.0°C | 17.4°C | |
| AUG 30 | 18.0°C | 17.3°C | |
| AUG 31 | 18.0°C | 17.1°C | |
| SEP 1 | 15.0°C | 17.0°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 | 3°C | 7°C | 9°C |
| February | 3°C | 7°C | 9°C |
| March | 4°C | 8°C | 10°C |
| April | 6°C | 9°C | 12°C |
| May | 6°C | 10°C | 15°C |
| June | 12°C | 17°C | 21°C |
| July | 13°C | 18°C | 22°C |
| August | 14°C | 18°C | 23°C |
| September | 10°C | 15°C | 19°C |
| October | 6°C | 9°C | 12°C |
| November | 4°C | 8°C | 12°C |
| December | 3°C | 7°C | 9°C |
Christchurch: Weather Forecast
August 26
August 27
August 28
August 29
August 30
Location & Local Information
Christchurch, a coastal town in Dorset, lies at the meeting point of the Rivers Stour and Avon before they flow into Christchurch Harbour and the English Channel. The River Stour here reflects the mild maritime climate of southern England, with water temperatures that vary steadily through the seasons. In winter, it generally remains between 5 and 7°C (41–45°F), staying cold but rarely freezing. By spring, the river warms to around 9–12°C (48–54°F). During midsummer—especially in July and August—the water can reach 17–20°C (63–68°F) in calm, sunlit areas, offering some of the most comfortable freshwater temperatures in the region. As autumn arrives, it cools again to about 11–13°C (52–55°F), keeping a refreshing yet mild quality well into late October.
Swimming in the River Stour at Christchurch is popular and permitted, particularly in the quieter upper sections away from the harbour mouth. The water is generally clean, though care is needed around tidal areas where the current can change quickly. Many people enjoy paddleboarding, kayaking, or simply cooling off in shallow areas during summer. The town’s riverside setting adds to its charm, with nearby attractions such as Christchurch Priory, Mudeford Quay, and Hengistbury Head offering scenic walks and coastal views.