Theni Temperature by Month
The average annual maximum temperature in Theni, Tamil Nadu, India is 32°C (90°F), with little variation between seasons. This page covers monthly averages, day-night differences, and how Theni compares to cities worldwide.
Theni Monthly Temperatures
The temperature in Theni remains steady throughout the year, providing a consistently very hot climate. Maximum daytime temperatures range from a very hot 36°C (97°F) in April to a comfortable 29°C (84°F) in January. Nights are mild year-round, with lows ranging from 23°C (73°F) in April to 18°C (64°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Theni by month:
Daily lows are most common between 4 AM and 6 AM. By 3 PM temperatures reach their daily high, driven by peak solar heating. April, the warmest month of the year, receives 211 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Theni vs India
The map below shows the annual temperature across India. You can also select individual months if you want to compare a specific time of year.
very warm
warm
pleasant
moderate
cold
very cold
Theni vs World: Temperature Compared
Theni's average annual maximum temperature is 32°C (90°F). To put that in context, here's how it compares to a few well-known destinations:
Lisbon, Portugal averages 21°C (70°F) annually — warm summers, mild winters, and rain mainly in the cooler months.
Glasgow, Scotland averages 13°C (55°F) a year — mild but often grey, with cold winters and rarely hot summers.
San Francisco, USA averages 19°C (66°F) annually, but with little seasonal variation — summers are often cool and foggy, winters mild.
Perth, Australia averages 25°C (77°F) annually, with a classic Mediterranean climate — hot dry summers and mild wet winters.
What Does the Temperature Feel Like in Theni?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In Theni, January is the coolest month, with average highs of 30°C (86°F) and humidity around 72% — considered high. In April, the warmest month, temperatures average 36°C (97°F) with 78% humidity — conditions that feel high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Global average temperatures have risen by around 1.2°C since the pre-industrial era, and the effects are visible across many regions. Winters are milder on average, with fewer frost days and less snow in many parts of the world. Heatwaves are more frequent and more intense, and Europe's summers of 2018, 2019, and 2020 all set records.
Summers are also getting drier in some areas, while winter rainfall has increased in others. This contributies to higher river levels and more flooding. In many countries, spring arrives earlier and autumn lasts longer. It has knock-on effects for wildlife, agriculture, and local ecosystems.
For more on Theni's weather — including monthly rainfall, sunshine hours, and humidity — visit our Theni climate page.
