Climate Overview
The climate in Yanam is hot. The average annual temperature is 28°C and approximately 1241mm of precipitation falls per year. August is the wettest month, receiving around 259mm of rainfall. Yanam is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, June, April. The coldest months are January, December, February, when temperatures can drop to 22°C.
Temperature
Yanam sees moderate temperature variation throughout the year, ranging from 22°C to 34°C. The warmest month is May, when average highs reach 34°C and the mean temperature sits around 31°C. January is the coolest month, with minimum temperatures around 22°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between February and March, with a 2°C shift in average temperatures.
Precipitation
Yanam is a fairly wet location, receiving approximately 1241mm of precipitation annually, which averages out to around 103mm per month. The wettest month is August, averaging 259mm of rainfall. July and September also tend to see above-average precipitation. The driest month is April, with just 3mm. That's 256mm less than August, 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
Yanam is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
92 days until Autumn
It is currently summer in Yanam, which began on June 21, 2026. Yanam is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in May at around 34°C, while the coldest stretch bottoms out in January near 22°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.
Spring
Temperatures range from 26 to 34°C. Precipitation is minimal, with only around 36mm for the entire season. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 27 to 33°C. Rainfall is heavy, totalling around 696mm across the season with a monthly average of 232mm. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 31°C. Rainfall is heavy, totalling around 468mm across the season with a monthly average of 156mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 28°C. Precipitation is minimal, with only around 40mm for the entire season. Winds are generally light, averaging 3km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Yanam is during January and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 17mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 34°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Yanam 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.