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Monthly climate in Edinburgh of the Seven Seas, Saint Helena, Ascension and Tristan da Cunha

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Edinburgh of the Seven Seas features a oceanic climate (Cfb).Temperatures typically range between 12 °C (54 °F) and 18 °C (65 °F) through the year, but rarely can drop to 6 °C (44 °F) or can rise to as high as 22 °C (73 °F).The average annual precipitation amounts to about 1283 mm (50.5 inches) and receives 154 rainy days on the 1 mm (0.04 inches) threshold annually.Edinburgh of the Seven Seas enjoys an average of 2722 hours of sunshine throughout the year, and daylight varies from 9 hours 38 minutes to 14 hours 38 minutes per day.

Monthly average temperatures in Edinburgh of the Seven Seas, Saint Helena, Ascension and Tristan da Cunha §

The warmest months in Edinburgh of the Seven Seas are January, February and March, with daily mean temperatures ranging from 18 to 18 °C (64 - 65 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 12 to 13 °C (54 - 55 °F) throughout the day. On average each year, Edinburgh of the Seven Seas experiences 0 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Edinburgh of the Seven Seas, Saint Helena, Ascension and Tristan da Cunha.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 21°C
(71°F)		 22°C
(72°F)		 22°C
(73°F)		 21°C
(69°F)		 20°C
(68°F)		 18°C
(64°F)		 17°C
(64°F)		 16°C
(60°F)		 16°C
(61°F)		 17°C
(62°F)		 18°C
(64°F)		 21°C
(69°F)
Mean maximum 21°C
(69°F)		 22°C
(71°F)		 21°C
(71°F)		 20°C
(69°F)		 19°C
(67°F)		 17°C
(63°F)		 17°C
(62°F)		 15°C
(60°F)		 16°C
(60°F)		 16°C
(61°F)		 17°C
(63°F)		 19°C
(67°F)
Average high 19°C
(66°F)		 19°C
(67°F)		 19°C
(67°F)		 18°C
(64°F)		 16°C
(62°F)		 15°C
(59°F)		 14°C
(57°F)		 13°C
(56°F)		 13°C
(56°F)		 14°C
(57°F)		 15°C
(59°F)		 17°C
(63°F)
Daily mean 18°C
(64°F)		 18°C
(65°F)		 18°C
(65°F)		 17°C
(62°F)		 15°C
(60°F)		 14°C
(57°F)		 13°C
(55°F)		 12°C
(54°F)		 12°C
(54°F)		 13°C
(56°F)		 14°C
(58°F)		 16°C
(61°F)
Average low 17°C
(62°F)		 17°C
(64°F)		 17°C
(63°F)		 16°C
(60°F)		 14°C
(58°F)		 13°C
(55°F)		 11°C
(53°F)		 11°C
(53°F)		 11°C
(53°F)		 12°C
(54°F)		 13°C
(56°F)		 15°C
(60°F)
Mean minimum 14°C
(57°F)		 15°C
(59°F)		 14°C
(57°F)		 12°C
(54°F)		 11°C
(52°F)		 10°C
(51°F)		 8°C
(46°F)		 8°C
(46°F)		 8°C
(46°F)		 9°C
(49°F)		 10°C
(51°F)		 12°C
(55°F)
Minimum 13°C
(55°F)		 13°C
(56°F)		 13°C
(55°F)		 11°C
(52°F)		 9°C
(49°F)		 8°C
(46°F)		 7°C
(44°F)		 7°C
(45°F)		 6°C
(44°F)		 9°C
(48°F)		 9°C
(49°F)		 12°C
(54°F)

Compare climate in Edinburgh of the Seven Seas with other places

Compare temperature, precipitation, sunshine, UV index in Edinburgh of the Seven Seas, Saint Helena, Ascension and Tristan da Cunha with other places around the world.

Monthly average precipitation in Edinburgh of the Seven Seas, Saint Helena, Ascension and Tristan da Cunha §

Edinburgh of the Seven Seas usually has the most precipitation in March, April and June, with an average of 15 rainy days and 148 mm (5.8 inches) of precipitation per month.The driest months in Edinburgh of the Seven Seas are January, February and August. On average, 62 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Edinburgh of the Seven Seas, Saint Helena, Ascension and Tristan da Cunha.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 53 (2.1) 50 (2.0) 137 (5.4) 146 (5.7) 133 (5.2) 161 (6.3) 134 (5.3) 83 (3.3) 97 (3.8) 111 (4.4) 86 (3.4) 92 (3.6)
Average precipitation days (≥ 1 mm) 8 6 14 14 16 18 19 10 14 12 12 11

Monthly sunshine hours in Edinburgh of the Seven Seas, Saint Helena, Ascension and Tristan da Cunha §

The sunniest months in Edinburgh of the Seven Seas are February, November and December, when the sun shines an average of 9 hours 39 minutes a day.Least sunny months in Edinburgh of the Seven Seas: May, June and July receive an average of 5 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Edinburgh of the Seven Seas, Saint Helena, Ascension and Tristan da Cunha.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 258 280 218 190 177 155 167 195 222 268 272 316
Mean daily daylight hours 14h 21m 13h 25m 12h 15m 11h 5m 10h 6m 9h 38m 9h 53m 10h 44m 11h 52m 13h 3m 14h 6m 14h 38m

Solar UV radiation in Edinburgh of the Seven Seas, Saint Helena, Ascension and Tristan da Cunha §

Edinburgh of the Seven Seas experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 13 - 15, which corresponds to the Extreme category of sun exposure.May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Edinburgh of the Seven Seas UV Index data.

Average daily maximum UV levels by month for Edinburgh of the Seven Seas, Saint Helena, Ascension and Tristan da Cunha.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 14 13 11 7 4 3 3 5 8 10 12 15