Climate Insights for Santo Tomé

The climate in Santo Tomé is warm and mild. The average annual temperature is 21°C and approximately 1,519 mm of precipitation falls per year. Santo Tomé receives a notable amount of rainfall throughout the year, including during its driest month. Santo Tomé 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, February, December. The coldest months are July, June, August, when temperatures can drop to 11°C.The climate in Santo Tomé is warm and mild. The average annual temperature is 70°F and approximately 59.8 in of precipitation falls per year. Santo Tomé receives a notable amount of rainfall throughout the year, including during its driest month. Santo Tomé 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, February, December. The coldest months are July, June, August, when temperatures can drop to 53°F.

Temperatures in Santo Tomé vary considerably across the year, with a 22°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 33°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 11°C and an average of 15°C. On average, daily temperatures fluctuate by about 10°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 Santo Tomé vary considerably across the year, with a 38°F difference between the coldest and warmest months. The warmest month is January, when average highs reach 91°F and the mean temperature sits around 81°F. July is the coolest month, with minimum temperatures around 53°F and an average of 60°F. On average, daily temperatures fluctuate by about 18°F between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 7°F shift in average temperatures.

Santo Tomé is a fairly wet location, receiving approximately 1,519 mm of precipitation annually, which averages out to around 127 mm per month. The wettest month is May, averaging 179 mm of rainfall. October and March also tend to see above-average precipitation. The driest month is July, with just 70 mm. That's 109 mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.Santo Tomé is a fairly wet location, receiving approximately 59.8 in of precipitation annually, which averages out to around 5 in per month. The wettest month is May, averaging 7 in of rainfall. October and March also tend to see above-average precipitation. The driest month is July, with just 2.8 in. That's 4.3 in less than May, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Santo Tomé 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 October, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 10km/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.Santo Tomé 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 October, averaging 8mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in February, with average winds dropping to 6mph, 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 Santo Tomé is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 86 mm per month. By contrast, January can be uncomfortably hot with temperatures reaching 33°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 Santo Tomé is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 61°F with modest rainfall averaging 3.4 in per month. By contrast, January can be uncomfortably hot with temperatures reaching 91°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 Santo Tomé 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 Santo Tomé 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.