Climate Overview
The climate in Hambantota International Airport is hot. The average annual temperature is 28°C and approximately 1118mm of precipitation falls per year. November is the wettest month, receiving around 230mm of rainfall. Hambantota International Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Hambantota International Airport sees moderate temperature variation throughout the year, ranging from 22°C to 33°C. The warmest month is April, when average highs reach 33°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 22°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.
Precipitation
Hambantota International Airport is a moderately rainy area, receiving approximately 1118mm of precipitation annually, which averages out to around 93mm per month. The wettest month is November, averaging 230mm of rainfall. October and May also tend to see above-average precipitation. The driest month is July, with just 27mm. That's 203mm 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
Hambantota International Airport is mildly breezy, with an average annual wind speed of 20km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in November, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 14km/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 16km/h in winter, 17km/h in spring, 27km/h in summer, 19km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Hambantota International Airport, which began on March 20, 2026. Hambantota International Airport sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in April at around 33°C, while the coldest stretch bottoms out in January near 22°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 24 to 33°C. Precipitation is moderate at around 301mm for the season, averaging 100mm per month. Winds are moderate at around 17km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 32°C. Rainfall is relatively light, with around 105mm over the season and a monthly average of 35mm. Winds are strong, averaging 27km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 32°C. Rainfall is heavy, totalling around 470mm across the season with a monthly average of 157mm. Winds are moderate at around 19km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 32°C. Precipitation is moderate at around 241mm for the season, averaging 80mm per month. Winds are moderate at around 16km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Hambantota International Airport 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.
