Climate Insights for Edinburgh of the Seven Seas

, Tristan da Cunha, Saint Helena

Hottest
February
19°C peak
Coldest
September
11°C low
Wettest
June
145mm rain
Best to Visit
January, February, December
Mild temps & low rain

Climate Overview

The climate in Edinburgh of the Seven Seas is temperate. The average annual temperature is 15°C and approximately 1225mm of precipitation falls per year. Edinburgh of the Seven Seas receives a notable amount of rainfall throughout the year, including during its driest month. Edinburgh of the Seven Seas is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: February, March, January. The coldest months are September, August, July, when temperatures can drop to 11°C.

Temperature

10° 15° 20° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 19° Average: 18° Min: 17° Feb Max: 19° Average: 18° Min: 17° Mar Max: 19° Average: 18° Min: 17° Apr Max: 18° Average: 17° Min: 16° May Max: 16° Average: 15° Min: 14° Jun Max: 15° Average: 14° Min: 13° Jul Max: 14° Average: 13° Min: 12° Aug Max: 13° Average: 12° Min: 11° Sep Max: 13° Average: 12° Min: 11° Oct Max: 14° Average: 13° Min: 12° Nov Max: 15° Average: 14° Min: 13° Dec Max: 17° Average: 16° Min: 15°
Max
Average
Min

Edinburgh of the Seven Seas has relatively stable temperatures year-round, staying within a 8°C range. February is the warmest month, though highs remain moderate at 19°C with a mean of 18°C. September is the coolest month, with minimum temperatures around 11°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 62mm Feb Precipitation: 65mm Mar Precipitation: 123mm Apr Precipitation: 121mm May Precipitation: 118mm Jun Precipitation: 145mm Jul Precipitation: 116mm Aug Precipitation: 100mm Sep Precipitation: 95mm Oct Precipitation: 108mm Nov Precipitation: 86mm Dec Precipitation: 85mm
Precipitation

Edinburgh of the Seven Seas is a fairly wet location, receiving approximately 1225mm of precipitation annually, which averages out to around 102mm per month. The wettest month is June, averaging 145mm of rainfall. March and April also tend to see above-average precipitation. The driest month is January, with just 62mm. That's 83mm less than June, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h 35km/h 40km/h 45km/h 50km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 34km/h Feb Wind Speed: 32km/h Mar Wind Speed: 37km/h Apr Wind Speed: 40km/h May Wind Speed: 45km/h Jun Wind Speed: 48km/h Jul Wind Speed: 47km/h Aug Wind Speed: 45km/h Sep Wind Speed: 42km/h Oct Wind Speed: 40km/h Nov Wind Speed: 37km/h Dec Wind Speed: 36km/h
Wind Speed

Edinburgh of the Seven Seas is very windy, with an average annual wind speed of 40km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 48km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in February, with average winds dropping to 32km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 16km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 47km/h in winter, 40km/h in spring, 34km/h in summer, 40km/h in autumn.

Seasons

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

90 days until Winter

It is currently autumn in Edinburgh of the Seven Seas, which began on March 20, 2026. Edinburgh of the Seven Seas is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 19°C, while the coldest stretch bottoms out in September near 11°C. Winter is next, beginning on June 21, 2026 — 90 days from now.

Spring

Temperatures range from 11 to 15°C. Precipitation is moderate at around 289mm for the season, averaging 96mm per month. Winds are strong, averaging 40km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 15 to 19°C. Precipitation is moderate at around 212mm for the season, averaging 71mm per month. Winds are strong, averaging 34km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 14 to 19°C. Rainfall is heavy, totalling around 363mm across the season with a monthly average of 121mm. Winds are strong, averaging 40km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 11 to 15°C. Rainfall is heavy, totalling around 361mm across the season with a monthly average of 120mm. Winds are strong, averaging 47km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 18°
Feb 18°
Mar 18°
Apr 17°
May 15°
Jun 14°
Jul 13°
Aug 12°
Sep 12°
Oct 13°
Nov 14°
Dec 16°

The best time to visit Edinburgh of the Seven Seas is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 71mm per month. By contrast, September can be quite cold with temperatures dropping to 11°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Edinburgh of the Seven Seas based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
17 °C
19 °C
34 km/h
62 mm
0 cm
Feb
17 °C
19 °C
32 km/h
65 mm
0 cm
Mar Current
17 °C
19 °C
37 km/h
123 mm
0 cm
Apr
16 °C
18 °C
40 km/h
121 mm
0 cm
May
14 °C
16 °C
45 km/h
118 mm
0 cm
Jun
13 °C
15 °C
48 km/h
145 mm
0 cm
Jul
12 °C
14 °C
47 km/h
116 mm
0 cm
Aug
11 °C
13 °C
45 km/h
100 mm
0 cm
Sep
11 °C
13 °C
42 km/h
95 mm
0 cm
Oct
12 °C
14 °C
40 km/h
108 mm
0 cm
Nov
13 °C
15 °C
37 km/h
86 mm
0 cm
Dec
15 °C
17 °C
36 km/h
85 mm
0 cm
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Metric (°C, km/h)