Jamestown
Saint Helena, Ascension and Tristan da Cunha
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Jamestown, Saint Helena, Ascension and Tristan da Cunha

The valley town of Jamestown in Saint Helena, with a view of mountain slopes on both sides
The valley town of Jamestown in Saint Helena, with a view of mountain slopes on both sides
The first month of the winter, June, is also a moderately hot month in Jamestown, Saint Helena, Ascension and Tristan da Cunha, with average temperature fluctuating between 23°C (73.4°F) and 18°C (64.4°F).

Temperature

In Jamestown, Saint Helena, Ascension and Tristan da Cunha, the average high-temperature is relatively the same as in May - a still moderately hot 23°C (73.4°F). In Jamestown, the average low-temperature is 18°C (64.4°F).

Rainfall

In June, in Jamestown, Saint Helena, Ascension and Tristan da Cunha, the rain falls for 6 days. Throughout June, 18mm (0.7") of precipitation is accumulated. In Jamestown, during the entire year, the rain falls for 40.7 days and collects up to 113mm (4.4") of precipitation.

Daylight

With an average of 11.2h of daylight, June has the shortest days of the year in Jamestown.

What is the temperature in June in Jamestown?

In Jamestown, in June, the average high-temperature is 23°C (73.4°F), and the average low-temperature is 18°C (64.4°F).

How much does it rain in Jamestown in June?

In June, in Jamestown, the rain falls for 6 days. Throughout June, 18mm (0.7") of precipitation is accumulated.

What is the month with the shortest days in Jamestown?

June has the shortest days of the year in Jamestown, Saint Helena, Ascension and Tristan da Cunha, with an average of 11.2h of daylight.

What is the average length of the day in June in Jamestown?

In Jamestown, the average length of the day in June is 11.2h.
Average temperature in June - Jamestown, Saint Helena, Ascension and Tristan da Cunha
  • Average high temperature in June: 23°C

The warmest month (with the highest average high temperature) is March (28°C).
Months with the lowest average high temperature are July, August and September (22°C).

  • Average low temperature in June: 18°C

The month with the highest average low temperature is March (22°C).
Coldest months (with the lowest average low temperature) are July, August and September (17°C).

Average rainfall in June - Jamestown, Saint Helena, Ascension and Tristan da Cunha
  • Average rainfall in June: 18mm

The wettest month (with the highest rainfall) is March (20mm).
The driest month (with the lowest rainfall) is November (0mm).

Average rainfall days in June - Jamestown, Saint Helena, Ascension and Tristan da Cunha
  • Average rainfall days in June: 6 days

The month with the highest number of rainy days is July (8 days).
The month with the lowest number of rainy days is November (0 days).

Average daylight in June - Jamestown, Saint Helena, Ascension and Tristan da Cunha
  • Average daylight in June: 11.2h

The month with the longest days is December (Average daylight: 13.1h).
The month with shortest days is June (Average daylight: 11.2h).