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Kallakurichi, India climate

As Tropical savanna (dry summer)

Kallakurichi has a mildly seasonal tropical climate (Tropical savanna (dry summer), Köppen As). The hottest month is May with an average daily high near 37°C, while the coldest is January averaging around 21°C at night. Precipitation totals about 1138 mm a year and is strongly seasonal — November alone averages 415 mm while June barely receives 0 mm.

☀️ All year

Very hot

Daytime highs near 37°C most of the year.

About 202 days a year above 32 °C

🌙 Nights

Stays warm

Even the coolest nights stay near 21°C.

🌧️ Rain

Wet

About 1138 mm of rain a year.

Wettest in November

⛅ Sky & trend

Often cloudy

Cloudy skies much of the year.

+0.4 °C vs 50 years ago

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures

Clear vs cloudy days

Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day counts

Kallakurichi climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	30	31	33	35	37	37	36	35	34	32	30	29
Avg temp (°C)	25	26	28	30	32	32	31	30	30	28	27	25
Avg low (°C)	21	21	23	26	27	26	26	25	25	24	23	22
Precipitation (mm)	28	12	22	15	24	0	50	144	126	196	415	106

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	30	31	33	35	37	37
Avg temp (°C)	25	26	28	30	32	32
Avg low (°C)	21	21	23	26	27	26
Precipitation (mm)	28	12	22	15	24	0

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	36	35	34	32	30	29
Avg temp (°C)	31	30	30	28	27	25
Avg low (°C)	26	25	25	24	23	22
Precipitation (mm)	50	144	126	196	415	106

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	2	0.8	0.8	1	2	3	5	7	6	9	11	6
Days with high ≥ 32°C (days)	0.7	5	22	26	27	25	26	26	24	17	4	0.5

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	2	0.8	0.8	1	2	3
Days with high ≥ 32°C (days)	0.7	5	22	26	27	25

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	5	7	6	9	11	6
Days with high ≥ 32°C (days)	26	26	24	17	4	0.5

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	47	41	37	49	60	76	82	80	75	74	72	58
Clear days (≤ 30% cloud)	9	12	15	9	5	2	0.5	0.8	1	2	3	6
Partly cloudy days (30–70%)	16	12	12	13	13	8	7	8	9	9	8	14
Cloudy days (≥ 70%)	6	4	4	8	12	20	24	22	20	19	18	11
Relative humidity (%)	77	75	73	73	72	70	70	73	77	80	82	80
Wind speed (mph)	8.5	7.6	7.3	8.0	9.4	9.8	9.2	8.5	7.5	6.9	9.1	10.0

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	47	41	37	49	60	76
Clear days (≤ 30% cloud)	9	12	15	9	5	2
Partly cloudy days (30–70%)	16	12	12	13	13	8
Cloudy days (≥ 70%)	6	4	4	8	12	20
Relative humidity (%)	77	75	73	73	72	70
Wind speed (mph)	8.5	7.6	7.3	8.0	9.4	9.8

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	82	80	75	74	72	58
Clear days (≤ 30% cloud)	0.5	0.8	1	2	3	6
Partly cloudy days (30–70%)	7	8	9	9	8	14
Cloudy days (≥ 70%)	24	22	20	19	18	11
Relative humidity (%)	70	73	77	80	82	80
Wind speed (mph)	9.2	8.5	7.5	6.9	9.1	10.0

Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at Cuddalore, a weather station, about 88 km from the city centre. The underlying daily records come from NOAA's global station network.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →