Climate Insights for Santa Helena

The climate in Santa Helena is hot. The average annual temperature is 29°C and approximately 1,701 mm of precipitation falls per year. May is the wettest month, receiving around 249 mm of rainfall. Santa Helena sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Santa Helena is hot. The average annual temperature is 84°F and approximately 67 in of precipitation falls per year. May is the wettest month, receiving around 9.8 in of rainfall. Santa Helena sits near the equator, so seasonal temperature differences are minimal throughout the year.

Santa Helena sees moderate temperature variation throughout the year, ranging from 25°C to 37°C. February is the hottest month, with daytime highs reaching 37°C and an average of 31°C. October is the coolest month, with minimum temperatures around 25°C and an average of 28°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.Santa Helena sees moderate temperature variation throughout the year, ranging from 76°F to 99°F. February is the hottest month, with daytime highs reaching 99°F and an average of 87°F. October is the coolest month, with minimum temperatures around 76°F and an average of 82°F. On average, daily temperatures fluctuate by about 15°F between overnight lows and afternoon highs.

Santa Helena is a fairly wet location, receiving approximately 1,701 mm of precipitation annually, which averages out to around 142 mm per month. The wettest month is May, averaging 249 mm of rainfall. October and September also tend to see above-average precipitation. The driest month is February, with just 16 mm. That's 233 mm less than May, 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.Santa Helena is a fairly wet location, receiving approximately 67 in of precipitation annually, which averages out to around 5.6 in per month. The wettest month is May, averaging 9.8 in of rainfall. October and September also tend to see above-average precipitation. The driest month is February, with just 0.6 in. That's 9.2 in less than May, 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.

Santa Helena is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.Santa Helena is relatively calm, with an average annual wind speed of 3mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 4mph, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 3mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.

The table below shows monthly climate averages for Santa Helena 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 Santa Helena 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.