January weather forecast and climate
Tristan da Cunha, Saint Helena, Ascension and Tristan da Cunha

What is the average temperature in January in Tristan da Cunha?

In Tristan da Cunha, Saint Helena, Ascension and Tristan da Cunha, in January, the average high-temperature is 20°C (68°F), and the average low-temperature is 16°C (60.8°F).
Average temperature in January - Tristan da Cunha, Saint Helena, Ascension and Tristan da Cunha
  • Average high temperature in January: 20°C

The warmest month (with the highest average high temperature) is February (21°C).
Months with the lowest average high temperature are July, August and September (14°C).

  • Average low temperature in January: 16°C

The month with the highest average low temperature is February (17°C).
Coldest months (with the lowest average low temperature) are August and September (10°C).

Average rainfall in January - Tristan da Cunha, Saint Helena, Ascension and Tristan da Cunha
  • Average rainfall in January: 93mm

The wettest month (with the highest rainfall) is August (175mm).
The driest month (with the lowest rainfall) is January (93mm).

Average rainfall days in January - Tristan da Cunha, Saint Helena, Ascension and Tristan da Cunha
  • Average rainfall days in January: 18 days

The month with the highest number of rainy days is August (26 days).
The month with the lowest number of rainy days is February (16 days).

Average sea temperature in January - Tristan da Cunha, Saint Helena, Ascension and Tristan da Cunha
  • Average sea temperature in January: 17°C

Best months for swimming (with the highest average sea temperature) are February and March (18°C).
Coldest months (with the lowest average sea temperature) are August and September (13°C).

Average daylight in January / Average sunshine in January - Tristan da Cunha, Saint Helena, Ascension and Tristan da Cunha
  • Average daylight in January: 14.4h

The month with the longest days is December (Average daylight: 14.7h).
The month with shortest days is June (Average daylight: 9.6h).

  • Average sunshine in January: 4.5h

The month with most sunshine is February (Average sunshine: 5.1h).
The month with least sunshine is June (Average sunshine: 3.3h).

Average UV index in January - Tristan da Cunha, Saint Helena, Ascension and Tristan da Cunha
  • Average UV index in January: 12

The month with the highest UV index is January (UV index 12).
Months with the lowest UV index are June and July (UV index 2).

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