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Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

When to go · Saint Helena, Ascension and Tristan da Cunha

Saint Helena, Ascension and Tristan da Cunha, month by month

The best months for Saint Helena, Ascension and Tristan da Cunha: Jan, Feb, Mar, Apr, Nov, Dec.

Month by month

  1. JanuaryGreatPeak season: warm, whale sharks in the bays, extra flights (check); book early.Saint Helena coast: best weather · Saint Helena uplands: fine · Ascension: best weatherCrowds: High · 1 festival or holiday
  2. FebruaryGreatWarm and settled; whale sharks; Ascension turtles nesting.Saint Helena coast: best weather · Saint Helena uplands: fine · Ascension: best weatherCrowds: High
  3. MarchGreatStill whale-shark season; good walking weather.Saint Helena coast: best weather · Saint Helena uplands: fine · Ascension: best weatherCrowds: Medium · 1 festival or holiday
  4. AprilGreatEaster; last whale sharks; mild.Saint Helena coast: best weather · Saint Helena uplands: fine · Ascension: best weatherCrowds: Medium · 1 festival or holiday
  5. MayGoodCooler uplands; 21 May Saint Helena Day.Saint Helena coast: fine · Saint Helena uplands: cool · Ascension: fineCrowds: Low · 2 festivals or holidays
  6. JuneMixedSouthern winter: windier, misty uplands; humpback whales arrive.Saint Helena coast: fine · Saint Helena uplands: cool · Ascension: fineCrowds: Low · 1 festival or holiday
  7. JulyMixedCool and breezy; flights occasionally delayed by weather.Saint Helena coast: fine · Saint Helena uplands: cool · Ascension: fineCrowds: Low
  8. AugustMixedHumpbacks with calves; quiet island.Saint Helena coast: fine · Saint Helena uplands: cool · Ascension: fineCrowds: Low · 1 festival or holiday
  9. SeptemberMixedCool; Tristan's main annual relief voyage often sails around now (check).Saint Helena coast: fine · Saint Helena uplands: cool · Ascension: fineCrowds: Low
  10. OctoberGoodSpring; wildflowers and whales; yachts begin arriving.Saint Helena coast: fine · Saint Helena uplands: fine · Ascension: fineCrowds: Medium
  11. NovemberGreatWarming; good hiking and diving.Saint Helena coast: best weather · Saint Helena uplands: fine · Ascension: best weatherCrowds: Medium
  12. DecemberGreatChristmas and the start of whale-shark season; flights and beds fill.Saint Helena coast: best weather · Saint Helena uplands: fine · Ascension: best weatherCrowds: High · 1 festival or holiday

Weather by region

How each climate zone rates each month.

Weather rating by region and month
RegionJanFebMarAprMayJunJulAugSepOctNovDec
Saint Helena coastJamestown, Rupert's, Sandy BayBestBestBestBestOKOKOKOKOKOKBestBest
Saint Helena uplandsLongwood, Diana's Peak, Blue Hill, LevelwoodOKOKOKOKCoolCoolCoolCoolCoolOKOKOK
AscensionGeorgetown, Green MountainBestBestBestBestOKOKOKOKOKOKBestBest
Tristan da CunhaEdinburgh of the Seven SeasOKOKOKCoolCoolCoolCoolCoolCoolCoolOKOK