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May Weather in Edinburgh of the Seven Seas, Saint Helena, Ascension and Tristan da Cunha

Last updated: August 31, 2025

In May, the average temperature in Edinburgh of the Seven Seas, Saint Helena, Ascension and Tristan da Cunha hovers around 15°C (60°F), with a minimum drop to 9°C (49°F) and a pleasant maximum reaching 20°C (68°F). Expect some rain, as precipitation totals 133 mm (5.2 in) over approximately 16 days. The atmosphere is typically humid, with an average humidity of 79%, creating a notable mild and damp climate.

May Temperature in Edinburgh of the Seven Seas

In May, in Edinburgh of the Seven Seas, the average temperature is 15°C (60°F). Maximums can reach 20°C (68°F), while minimums can drop as low as 9°C (49°F). This mild climate makes it an ideal time for outdoor exploration and enjoyment of the local sights.

May Weather in Edinburgh of the Seven Seas: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Edinburgh of the Seven Seas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Edinburgh of the Seven Seas, May typically has an average temperature of 15°C (60°F), with highs reaching up to 20°C (68°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec646565626057555454555761
Data source: Temperature data for Edinburgh of the Seven Seas generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Edinburgh of the Seven Seas

In Edinburgh of the Seven Seas in May, the total precipitation amount is 133 mm (5.2 in) spread over 16 days.

May Precipitation Trends in Edinburgh of the Seven Seas

The chart displays monthly precipitation patterns in Edinburgh of the Seven Seas, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Edinburgh of the Seven Seas, May typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec535013714613316113483971118692
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Edinburgh of the Seven Seas

In Edinburgh of the Seven Seas in May, humidity is 79%. With an average temperature of 15°C (60°F), this humidity feels like a warm, enveloping blanket that can make traveling feel muggy and a bit stifling, requiring frequent breaks to stay refreshed and hydrated.

May Average Humidity in Edinburgh of the Seven Seas

This chart illustrates the average monthly humidity levels in Edinburgh of the Seven Seas, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Edinburgh of the Seven Seas is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%81%83%79%79%82%80%78%83%83%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Edinburgh of the Seven Seas

In Edinburgh of the Seven Seas in May, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Edinburgh of the Seven Seas for better planning.

Maximum UV Index Levels in Edinburgh of the Seven Seas for May

The chart shows the monthly maximum UV Index (UVI) for Edinburgh of the Seven Seas in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Edinburgh of the Seven Seas typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311743358101215
Data source: Edinburgh of the Seven Seas May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Edinburgh of the Seven Seas Compares to Other Months

Weather in Edinburgh of the Seven Seas varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Edinburgh of the Seven Seas, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Edinburgh of the Seven Seas, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)53 mm (2.1 inches)84%extreme
February Weather18°C (65°F)50 mm (2.0 inches)84%extreme
March Weather18°C (65°F)137 mm (5.4 inches)81%extreme
April Weather17°C (62°F)146 mm (5.7 inches)82%high
May Weather15°C (60°F)133 mm (5.2 inches)79%moderate
June Weather14°C (57°F)161 mm (6.3 inches)78%moderate
July Weather13°C (55°F)134 mm (5.3 inches)82%moderate
August Weather12°C (54°F)83 mm (3.3 inches)80%moderate
September Weather12°C (54°F)97 mm (3.8 inches)78%very high
October Weather13°C (56°F)111 mm (4.4 inches)82%very high
November Weather14°C (58°F)86 mm (3.4 inches)83%extreme
December Weather16°C (61°F)92 mm (3.6 inches)85%extreme

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