Pāchchal climate — normals and trends
Pāchchal (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 785 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is April (29.4 °C on average) and the coldest is December (22.5 °C). Rainfall peaks in October.
Pāchchal averages 0 frost days, 253 hot days (≥ 30 °C) and 110 rainy days per year.
Pāchchal has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.3 °C (on 25 April 1956) and the coldest 10.1 °C (on 1 January 1942).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
PāchchalTamil Nadu
- coords
- 12.51°, 78.56°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.1°C
Average daily high
31.8°C
Average daily low
21.5°C
Annual rainfall
785mm
Sunshine / day
10.1h
Mean relative humidity
66%
Average peak wind
14.7km/h
Seasonal range
6.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
253 d/yr
Rainy days (≥ 1 mm)
110 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.7 °C
Average feels-like low
23.8 °C
Average peak gust
34.7 km/h
Tropical nights (≥ 20 °C)
275 d/yr
Solar radiation
19.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.38 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
42.3 °C
25 April 1956
Coldest day
10.1 °C
1 January 1942
Wettest day
132 mm
13 May 1972
Windiest day
36.8 km/h
15 July 1944
Strongest gust
84.2 km/h
8 August 2019
Hottest feels-like
45.5 °C
1 May 2024
Coldest feels-like
9.3 °C
1 January 1942
Sunniest day
12.5 h
26 May 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 28.4 °C | -0.5 °C | 9 mm | +1 mm |
| Feb | 32.6 °C | +0.8 °C | 0 mm | -4 mm |
| Mar | 34.6 °C | 0.0 °C | 14 mm | +3 mm |
| Apr | 35.7 °C | -0.4 °C | 53 mm | +25 mm |
| May | 33.5 °C | -2.2 °C | 230 mm | +128 mm |
| Jun | 32.9 °C | 0.0 °C | 33 mm | -37 mm |
| Jul | 32.6 °C | +0.8 °C | 32 mm | -45 mm |
| Aug | 31.6 °C | 0.0 °C | 155 mm | +70 mm |
| Sep | 31.5 °C | -0.1 °C | 83 mm | -40 mm |
| Oct | 30.1 °C | +0.1 °C | 123 mm | -28 mm |
| Nov | 29.2 °C | +0.8 °C | 85 mm | -5 mm |
| Dec | 28.0 °C | +0.3 °C | 27 mm | -11 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Pāchchal?
Pāchchal has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 785 mm of precipitation per year.
What is the hottest day ever recorded in Pāchchal?
The hottest day measured in Pāchchal between 1940 and 2025 was 25 April 1956, reaching 42.3 °C.
What is the coldest day in Pāchchal?
The coldest day measured in Pāchchal between 1940 and 2025 was 1 January 1942, at 10.1 °C.
Does it snow in Pāchchal?
Almost never: Pāchchal sees virtually no snow, with about 0 frost days per year.
Has the climate of Pāchchal warmed?
Yes: Pāchchal warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pāchchal?
The wettest day measured in Pāchchal between 1940 and 2025 was 13 May 1972, with 132 mm of rain in 24 hours.
What was the windiest day in Pāchchal?
The windiest day measured in Pāchchal between 1940 and 2025 was 15 July 1944, with winds reaching 36.8 km/h.
What is the warmest month in Pāchchal?
The warmest month in Pāchchal is April (29.4 °C on average); the coldest is December (22.5 °C).
How much does it rain in Pāchchal?
Pāchchal receives on average 785 mm of precipitation per year, spread over about 110 rainy days.
Is it sunny in Pāchchal?
Pāchchal gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Pāchchal?
Yes: Pāchchal has on average 275 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pāchchal?
In Pāchchal, between 1940 and 2025, the highest apparent temperature reached 45.5 °C on 1 May 2024, and the lowest was 9.3 °C on 1 January 1942.
Compare Pāchchal with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pāchchal