Climate Insights for Ascensión

The climate in Ascensión is temperate. The average annual temperature is 17°C and approximately 894 mm of precipitation falls per year. January is the wettest month, receiving around 108 mm of rainfall. Ascensión 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: January, December, February. The coldest months are July, June, August, when temperatures can drop to 5°C.The climate in Ascensión is temperate. The average annual temperature is 63°F and approximately 35.2 in of precipitation falls per year. January is the wettest month, receiving around 4.3 in of rainfall. Ascensión 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: January, December, February. The coldest months are July, June, August, when temperatures can drop to 41°F.

Temperatures in Ascensión vary considerably across the year, with a 25°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 30°C and the mean temperature sits around 24°C. July is the coolest month, with minimum temperatures around 5°C and an average of 10°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.Temperatures in Ascensión vary considerably across the year, with a 45°F difference between the coldest and warmest months. The warmest month is January, when average highs reach 86°F and the mean temperature sits around 75°F. July is the coolest month, with minimum temperatures around 41°F and an average of 49°F. On average, daily temperatures fluctuate by about 20°F between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 8°F shift in average temperatures.

Ascensión is a moderately rainy area, receiving approximately 894 mm of precipitation annually, which averages out to around 74 mm per month. The wettest month is January, averaging 108 mm of rainfall. February and April also tend to see above-average precipitation. The driest month is June, with just 19 mm. That's 89 mm less than January, 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 moderately rainy area, receiving approximately 35.2 in of precipitation annually, which averages out to around 2.9 in per month. The wettest month is January, averaging 4.3 in of rainfall. February and April also tend to see above-average precipitation. The driest month is June, with just 0.7 in. That's 3.5 in less than January, 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 mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.Ascensión is moderately windy, with an average annual wind speed of 8mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is October, averaging 9mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in February, with average winds dropping to 7mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph between the calmest and windiest months.

The best time to visit Ascensión is during October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 92 mm per month. By contrast, January can be uncomfortably hot with highs reaching 30°C, while July is the coldest period with lows dropping to 5°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.The best time to visit Ascensión is during October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 69°F with modest rainfall averaging 3.6 in per month. By contrast, January can be uncomfortably hot with highs reaching 86°F, while July is the coldest period with lows dropping to 41°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

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.