Climate Overview
The climate in Annāmalainagar is hot. The average annual temperature is 28°C and approximately 1232mm of precipitation falls per year. November is the wettest month, receiving around 400mm of rainfall. Annāmalainagar is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, May, July. The coldest months are January, February, December, when temperatures can drop to 24°C.
Temperature
Annāmalainagar has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is June, when average highs reach 33°C and the mean temperature sits around 30°C. January is the coolest month, with minimum temperatures around 24°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.
Precipitation
Annāmalainagar is a fairly wet location, receiving approximately 1232mm of precipitation annually, which averages out to around 103mm per month. The wettest month is November, averaging 400mm of rainfall. December and October also tend to see above-average precipitation. The driest month is March, with just 13mm. That's 387mm 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
Annāmalainagar is moderately windy, 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 June, averaging 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in October, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Annāmalainagar, which began on March 20, 2026. Annāmalainagar 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 June at around 33°C, while the coldest stretch bottoms out in January near 24°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 26 to 33°C. Rainfall is relatively light, with around 106mm over the season and a monthly average of 35mm. Winds are moderate at around 20km/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. Precipitation is moderate at around 176mm for the season, averaging 59mm per month. Winds are moderate at around 21km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 669mm across the season with a monthly average of 223mm. Winds are moderate at around 19km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 28°C. Precipitation is moderate at around 280mm for the season, averaging 93mm per month. Winds are moderate at around 20km/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 Annāmalainagar 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.
