Sathyamangalam, Tamil Nadu Weather
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Climate of Sathyamangalam: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), April is usually the hottest month in Sathyamangalam, with average daytime highs around 37°C. January is the coolest, when nights typically fall to about 17°C.
The area receives about 730 mm of rain in a typical year. Most of it falls from September to November, and October is the wettest month at roughly 150 mm. The driest stretch is January to February, with under 20 mm a month.
For outdoor plans and travel, July to August and December to January usually offer the most comfortable weather in Sathyamangalam, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 31° | 17° | 4 mm | 65% |
| Feb | 34° | 18° | 6 mm | 53% |
| Mar | 37° | 22° | 20 mm | 46% |
| Apr | 37° | 24° | 47 mm | 51% |
| May | 35° | 24° | 82 mm | 63% |
| Jun | 33° | 22° | 48 mm | 67% |
| Jul | 32° | 22° | 62 mm | 67% |
| Aug | 32° | 21° | 75 mm | 69% |
| Sep | 32° | 21° | 100 mm | 71% |
| Oct | 30° | 21° | 150 mm | 77% |
| Nov | 28° | 19° | 105 mm | 80% |
| Dec | 29° | 17° | 29 mm | 75% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Sathyamangalam. Values describe typical conditions, not a forecast.
About Sathyamangalam weather
Sathyamangalam is set in Tamil Nadu's interior plateau (around Coimbatore, Salem and the Western Ghats rain-shadow), noticeably drier than the coast, about 62 km north-east of Coimbatore. Summers bring a hot summer (April–June) with highs often in the high 30s°C. After that, Sathyamangalam sees the north-east monsoon (October–December) — Tamil Nadu's principal rainy season — with a weaker south-west monsoon contribution (June–September) mainly over the western interior. The year winds down with a mild, short winter (December–January) with little temperature drop near the coast. This page shows live, auto-refreshing weather for Sathyamangalam: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: Asia/Kolkata.
Frequently asked questions
Sathyamangalam is about 62 km north-east of Coimbatore, in Tamil Nadu.
Sathyamangalam gets the north-east monsoon (October–December) — Tamil Nadu's principal rainy season — with a weaker south-west monsoon contribution (June–September) mainly over the western interior.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Sathyamangalam's exact coordinates. No fixed schedule, the page updates whenever you load it.
April is usually the hottest month in Sathyamangalam, with average daytime highs of about 37°C and nights around 24°C.
The coldest nights come in January, when the average low is about 17°C and daytime highs reach around 31°C.
Sathyamangalam receives about 730 mm of rain in a typical year. October is the wettest month at roughly 150 mm, and the main rainy period is September to November.
July to August and December to January usually offer the most comfortable weather in Sathyamangalam, with mild daytime temperatures and little rain.
In November Sathyamangalam typically sees daytime highs near 28°C and lows near 19°C, with about 105 mm of rain over the month and average humidity around 80%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Sathyamangalam is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Sathyamangalam's day-to-day weather is shaped by its position in Tamil Nadu, India — well inland, so daily temperature swings are sharper than on the coast. See the hourly weather forecast or the air quality index for more detail.