Main image

LordHarris CC BY-SA 4.0 Wikimedia Commons

Green Mountain

Mountain

Rising above Ascension Island, Green Mountain hosts introduced cloud‑forest vegetation and marked hiking trails; visitors walk for cooler air, island panoramas and unusual plantings on an otherwise volcanic isle.

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Green Mountain essentials

Address: Green Mountain, Ascension Island
Website: ascension.gov.ac
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Things to Do
When to Go

Best Time to Visit Green Mountain

Best visited during the cooler months (June-August) for hiking comfort; Ascension's climate is ocean-moderated year-round.

Southern winter (cool season)
June-August · 20-25°C (68-77°F)
Cooler and drier conditions that make hiking more comfortable.
Spring/Autumn
September-November, March-May · 22-28°C (72-82°F)
Moderate conditions with good wildflower displays after rains.

Weather & Climate near Green Mountain

Climate

Green Mountain's climate is classified as Hot Desert - Hot Desert climate with consistently warm temperatures year-round. Temperatures range from 14°C to 23°C. Semi-arid with limited rainfall.

Air Quality: AQI 15 Good
Best Time to Visit
FebruaryJanuaryMarch
Temperature & Rainfall
Temperature Range
29°
Warmest Month
22°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Ideal 17° - 22° 20° 16 mm mostly sunny 78% 6.3 m/s 2.7 extreme 12.4h
February Ideal 17° - 23° 20° 18 mm mostly sunny 78% 3.8 m/s 2.8 extreme 12.2h
March Ideal 17° - 23° 20° 32 mm mostly sunny 77% 4.8 m/s 2.8 extreme 12.0h
April Excellent 16° - 22° 19° 47 mm some cloud 77% 6.9 m/s 2.5 extreme 11.8h
May Excellent 15° - 21° 18° 26 mm some cloud 76% 5.7 m/s 2.1 extreme 11.7h
June Excellent 14° - 20° 17° 30 mm mostly sunny 74% 4.5 m/s 1.9 very high 11.6h
July Excellent 14° - 19° 16° 19 mm some cloud 75% 4.5 m/s 1.9 very high 11.6h
August Excellent 14° - 19° 17° 21 mm partly cloudy 77% 5.0 m/s 2.0 very high 11.8h
September Very Good 14° - 19° 17° 18 mm partly cloudy 78% 5.8 m/s 2.1 extreme 12.0h
October Very Good 15° - 20° 17° 18 mm overcast 79% 6.8 m/s 2.3 extreme 12.2h
November Very Good 15° - 20° 18° 13 mm partly cloudy 79% 6.8 m/s 2.4 extreme 12.3h
December Very Good 16° - 21° 19° 15 mm partly cloudy 78% 7.4 m/s 2.5 extreme 12.4h
Getting There & Around

How to Get to Green Mountain

Ascension Island has limited air service; Green Mountain is a short drive from the island’s main settlements. Local roads and trails lead to the summit area; check with Ascension Island Administration for visitor access and guided options.

Tips for Visiting Green Mountain

  • Ascend early morning to avoid heat and to see seabirds and island wildlife in better light.
  • Wear sturdy footwear-the trails to the summit can be rocky and steep.
  • Respect the small-scale conservation measures on Ascension Island; facilities are limited and services sparse.