Climate Insights for Ascensión

The climate in Ascensión is warm and mild. The average annual temperature is 19°C and approximately 214 mm of precipitation falls per year. August is the wettest month, receiving around 45 mm of rainfall. Ascensión is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, July, August. The coldest months are January, December, February, when temperatures can drop to 2°C.The climate in Ascensión is warm and mild. The average annual temperature is 67°F and approximately 8.4 in of precipitation falls per year. August is the wettest month, receiving around 1.8 in of rainfall. Ascensión is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, July, August. The coldest months are January, December, February, when temperatures can drop to 35°F.

Temperatures in Ascensión vary considerably across the year, with a 34°C difference between the coldest and warmest months. June is the hottest month, with daytime highs reaching 36°C and an average of 29°C. January is the coolest month, with minimum temperatures around 2°C and an average of 8°C. On average, daily temperatures fluctuate by about 15°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.Temperatures in Ascensión vary considerably across the year, with a 62°F difference between the coldest and warmest months. June is the hottest month, with daytime highs reaching 97°F and an average of 84°F. January is the coolest month, with minimum temperatures around 35°F and an average of 47°F. On average, daily temperatures fluctuate by about 27°F between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 11°F shift in average temperatures.

Ascensión is a quite dry location, receiving approximately 214 mm of precipitation annually, which averages out to around 18 mm per month. The wettest month is August, averaging 45 mm of rainfall. July and September also tend to see above-average precipitation. The driest month is April, with just 3 mm. That's 43 mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Ascensión is a quite dry location, receiving approximately 8.4 in of precipitation annually, which averages out to around 0.7 in per month. The wettest month is August, averaging 1.8 in of rainfall. July and September also tend to see above-average precipitation. The driest month is April, with just 0.1 in. That's 1.7 in less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Ascensión is relatively calm, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months.Ascensión is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is April, averaging 9mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3mph gap between the calmest and windiest months.

The best time to visit Ascensión is during March, April, May, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 13 mm per month. By contrast, June can be uncomfortably hot with highs reaching 36°C, while January is the coldest period with lows dropping to 2°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.The best time to visit Ascensión is during March, April, May, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 69°F with modest rainfall averaging 0.5 in per month. By contrast, June can be uncomfortably hot with highs reaching 97°F, while January is the coldest period with lows dropping to 35°F. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

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