The most detailed information about the water temperature in Jamestown in Atlantic Ocean (Saint Helena). Forecast of changes in water temperature for the next 10 days. Statistics by months for recent years. Information about the neighboring resorts. Weather forecast in Jamestown for a week.
Water temperature in Jamestown right now
data updated 12 minutes ago77°F
yesterday: 76°F
a week ago: 76°F
Trend: stability
Today water temperature in Jamestown is 77.2°F. It is the most comfortable swimming water in any body of water, especially on a hot day. This temperature range is recognized as the most optimal for prolonged bathing. In any case, the general weather is also important. So, the air temperature at the same time will reach 74°F.
Analysis and forecast
The water temperature today roughly corresponds to the average value on this day in recent years. Its value has rise both over the past 20 days and over the past week. Exactly a year ago, on this day, the water temperature in this location was 77°F. Water temperature range in Jamestown in April is from 73 to 87 degrees.
According to our forecast, the water temperature in Jamestown will move in different directions, in the coming days the water will become warmer, but after 10 days it will still get a little colder to 77°F.
Table of water temperature values in Jamestown
| Day | Fact* | Average** | Forecast*** |
| Apr 13 | 25.0°C | 25.8°C | |
| Apr 14 | 25.3°C | 25.8°C | |
| Apr 15 | 24.6°C | 25.5°C | |
| Apr 16 | 26.4°C | 27.0°C | |
| Apr 17 | 26.4°C | 26.0°C | |
| Apr 18 | 26.1°C | 26.5°C | |
| Apr 19 | 24.6°C | 25.8°C | |
| Apr 20 | 25.1°C | 25.8°C | |
| Apr 21 | 25.5°C | 24.8°C | |
| Apr 22 | 25.8°C | 25.1°C | |
| Apr 23 | 26.5°C | 25.8°C | |
| Apr 24 | 26.3°C | 25.6°C | |
| Apr 25 | 25.8°C | 25.1°C | |
| Apr 26 | 26.3°C | 25.6°C | |
| Apr 27 | 26.3°C | 25.6°C |
** Average - Average water temperature on this day in past years
*** Forecast - Our forecast for the water temperature
Actual nearshore temperatures may vary by several degrees from the indicated values. This is noticeable after heavy rain or after prolonged periods of strong winds. Some downstream winds cause cold, deep waters to replace surface waters that have been warmed by the sun.
To develop a forecast, we use our own mathematical model, which takes into account the current change in water temperature, historical data and the main weather trends, wind strength and direction, air temperature in each specific region. We also take into account data for other resorts in Saint Helena.
Annual graph of average water temperature change in Jamestown
Water temperature in Jamestown by month
Jamestown is located in the Arctic Circle, at latitude 15 degrees. The swimming season in this location lasts all year round. Average annual water temperature on the coast in Jamestown is 78°F, by the seasons: in winter 75°F, in spring 77°F, in summer 80°F, in autumn 82°F. Minimum water temperature (71°F) in Jamestown it happens in June, maximum (85°F) in March.
You can find out detailed data on how the water temperature in Jamestown changes in each specific month:
Jamestown: general information and map
Water temperature data in Jamestown and neighboring towns and resorts collected from various sources, using buoys, using satellite maps of sea, river and lake surfaces of the NOAA agency.
We use data from various local authorities in each specific location of the world to more accurately reflect temperature values.
The nearest airport is located in a 1293 kilometers. This is RAF Ascension Island (ASI) airport. We have no information as to whether it is valid and what flights it receives or sends.
Jamestown: weather forecast
The weather forecast is shown in local time in Jamestown
20km/hhumidity: 81%, clouds: 20%
18km/hhumidity: 79%, clouds: 21%
19km/hhumidity: 79%, clouds: 23%
21km/hhumidity: 81%, clouds: 13%
23km/hhumidity: 79%, clouds: 9%
27km/hhumidity: 80%, clouds: 9%
27km/hhumidity: 81%, clouds: 10%
26km/hhumidity: 80%, clouds: 9%
25km/hhumidity: 81%, clouds: 12%
24km/hhumidity: 80%, clouds: 16%
21km/hhumidity: 77%, clouds: 38%
21km/hhumidity: 77%, clouds: 40%
21km/hhumidity: 75%, clouds: 57%
23km/hhumidity: 75%, clouds: 98%
25km/hhumidity: 75%, clouds: 97%
25km/hhumidity: 78%, clouds: 99%
27km/hhumidity: 76%, clouds: 100%
28km/hhumidity: 75%, clouds: 100%
27km/hhumidity: 75%, clouds: 97%
25km/hhumidity: 75%, clouds: 83%
26km/hhumidity: 76%, clouds: 90%
27km/hhumidity: 77%, clouds: 28%
26km/hhumidity: 78%, clouds: 48%
28km/hhumidity: 77%, clouds: 100%
29km/hhumidity: 79%, clouds: 100%
32km/hhumidity: 78%, clouds: 100%
33km/hhumidity: 78%, clouds: 99%
32km/hhumidity: 76%, clouds: 73%
33km/hhumidity: 77%, clouds: 83%
34km/hhumidity: 79%, clouds: 100%
32km/hhumidity: 77%, clouds: 100%
34km/hhumidity: 79%, clouds: 100%
36km/hhumidity: 77%, clouds: 100%
37km/hhumidity: 75%, clouds: 100%
35km/hhumidity: 78%, clouds: 96%
34km/hhumidity: 79%, clouds: 100%
34km/hhumidity: 74%, clouds: 98%
33km/hhumidity: 77%, clouds: 89%
32km/hhumidity: 75%, clouds: 92%
