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> Saint Helena > Temperatures
Average Temperatures in Jamestown, Saint Helena
- The average annual temperature in Jamestown, Saint Helena is really warm at 21.8 degrees Celsius (71.3 degrees Fahrenheit).
- The variation of average monthly temperatures is 4 °C (7.2°F) which is an extremely low range.
- There is a range/ variation of daily average temperatures of 5.3 °C (9.6 °F).
- January is the hottest month (fairly hot) having a mean temperature of 24 degrees Celsius (75.2 degrees Fahrenheit).
- July is the coldest month (warm) with a mean temperature of 20 degrees Celsius (68 degrees Fahrenheit).
Average Temperatures Table for Jamestown
| Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Annual | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Average Max Temperature °C ( °F) | 22 (71.6) | 22 (71.6) | 22 (71.6) | 23 (73.4) | 23 (73.4) | 24 (75.2) | 27 (80.6) | 27 (80.6) | 28 (82.4) | 27 (80.6) | 24 (75.2) | 23 (73.4) | 24.3 (75.8) | |
 | Average Temperature °C ( °F) | 20 (68) | 20 (68) | 20 (68) | 20 (68) | 21 (69.8) | 22 (71.6) | 24 (75.2) | 24 (75.2) | 24 (75.2) | 24 (75.2) | 22 (71.6) | 21 (69.8) | 21.8 (71.3) | |
 | Average Min Temperature °C ( °F) | 17 (62.6) | 17 (62.6) | 17 (62.6) | 18 (64.4) | 18 (64.4) | 19 (66.2) | 21 (69.8) | 21 (69.8) | 22 (71.6) | 21 (69.8) | 19 (66.2) | 18 (64.4) | 19 (66.2) |
Jamestown Average Temperatures Chart
The average temperature charts use a fixed scale so that you can easily compare temperatures between two or more locations. Simply line up the charts in separate tabs in your browser and toggle between tabs to visualise the differences. The charts have major grid lines at intervals of 10 °C on the left axis corresponding with intervals of 18 °F on the right axis. Minor gridlines mark intervals of 2.5 °C and 4.5 °F. The charts show the relationship between the Celsius and Fahrenheit measuring scales. Locations in the northern hemisphere run from January to December and in the southern hemisphere from July to June so that the middle of the chart always corresponds with the high sun period (for the hemisphere).
