Climate Insights for Vavuniya
Vavuniya District, Northern Province, Sri Lanka
Climate Overview
The climate in Vavuniya is hot. The average annual temperature is 28°C and approximately 1,306 mm of precipitation falls per year. Vavuniya receives a notable amount of rainfall throughout the year, including during its driest month. Vavuniya sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Vavuniya is hot. The average annual temperature is 82°F and approximately 51.4 in of precipitation falls per year. Vavuniya receives a notable amount of rainfall throughout the year, including during its driest month. Vavuniya sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Vavuniya sees moderate temperature variation throughout the year, ranging from 22°C to 35°C. The warmest month is April, when average highs reach 35°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 22°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.Vavuniya sees moderate temperature variation throughout the year, ranging from 71°F to 94°F. The warmest month is April, when average highs reach 94°F and the mean temperature sits around 85°F. January is the coolest month, with minimum temperatures around 71°F and an average of 77°F. Daily temperature variation is modest, with an average difference of 14°F between highs and lows.
Precipitation
Vavuniya is a fairly wet location, receiving approximately 1,306 mm of precipitation annually, which averages out to around 109 mm per month. The wettest month is November, averaging 319 mm of rainfall. October and December also tend to see above-average precipitation. The driest month is June, with just 30 mm. That's 289 mm less than November, 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.Vavuniya is a fairly wet location, receiving approximately 51.4 in of precipitation annually, which averages out to around 4.3 in per month. The wettest month is November, averaging 12.6 in of rainfall. October and December also tend to see above-average precipitation. The driest month is June, with just 1.2 in. That's 11.4 in less than November, 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.
Wind
Vavuniya is mildly breezy, 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 June, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 12km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 10km/h in winter, 10km/h in spring, 18km/h in summer, 12km/h in autumn.Vavuniya 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 June, averaging 12mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in April, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 7mph difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 6mph in winter, 6mph in spring, 11mph in summer, 7mph in autumn.
Monthly Climate Data
The table below shows monthly climate averages for Vavuniya 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 Vavuniya 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.