Theni Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Theni.
Climate overview of Theni
With consistently stable weather, Theni, Tamil Nadu, India, sees little seasonal temperature change. Daytime highs average 32°C (90°F), ranging from 36°C (97°F) in April to 29°C (84°F) in January.
Rainfall is high, totalling around 1011 mm (40 in) per year. November is the wettest month and January the driest. The city also experiences a distinct dry season from January to March. The most sunshine falls in January, with an average of 8.2 hours of daily sunshine.
Theni Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Theni — and find the best time to visit.
Monthly Temperature in Theni
The climate in Theni remains fairly constant, offering very warm temperatures throughout the year. Average maximum daytime temperatures range from a very hot 36°C (97°F) in April, the warmest time of the year, to a comfortable 29°C (84°F) during cooler months like January.
At night, you can expect temperatures ranging from 23°C (73°F) in April to around 18°C (64°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Theni
Theni is known for its substantial rainfall, with annual precipitation reaching 1011 mm (40 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives heavy rainfall, averaging 172 mm (6.8 in) of precipitation, recorded across 7 rainy days. In contrast, the driest month January brings less rainfall, with 18 mm (0.7 in) over a single rainy day. For more details, please visit our Theni Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Theni
Seasonal changes in sunshine hours are quite dramatic in Theni. While January receives considerable daily sunshine with up to 8.2 hours, July marks the darkest time of the year, where sunshine is scarce with only 3.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Theni by Month
The city experiences its highest humidity in August, reaching 87%. In March, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Theni
Make your experience more enjoyable by planning to be outside during the cooler parts of the day, either early morning or as the sun begins to set. Visitors should note that October and November are part of the rainy season, bringing substantial rainfall. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Theni
What is the best time to visit Theni?
December typically offers the most optimal weather in Theni. In contrast, March, April and May tend to have less optimal conditions. Theni has a distinct dry season from January to March.
What temperatures can I expect in Theni?
Daytime highs range from 29°C (84°F) in January to 36°C (97°F) in April. Nighttime lows range from 18°C (64°F) to 23°C (73°F). Temperatures stay relatively stable year-round.
How much rain does Theni get?
Annual rainfall is around 1011 mm (40 in). November is the wettest month with 172 mm (6.8 in), while January is the driest with 18 mm (0.7 in).
How sunny is Theni?
Theni receives around 1,974 hours of sunshine per year. January is the sunniest month with 246 hours, while July is the cloudiest with just 98 hours.
Theni 3-Day Forecast
Theni 3-Day Forecast
Theni on the map
Theni is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Jaipur
35°C (95°F) Gurugram36°C (97°F) New Delhi36°C (97°F) Chennai
35°C (95°F) Hyderabad31°C (88°F) Mumbai29°C (84°F) Bengaluru
29°C (84°F) Kochi28°C (82°F) 
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