Munnar climate — normals and trends
Munnar (India) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 21.9 °C and it receives 2,583 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 March (24.2 °C on average) and the coldest is July (20.8 °C). Rainfall peaks in June.
Munnar averages 0 frost days, 42 hot days (≥ 30 °C) and 248 rainy days per year.
Munnar has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.0 °C (on 3 April 2014) and the coldest 10.7 °C (on 27 December 1941).
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
MunnarKerala
- coords
- 10.09°, 77.06°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
21.9°C
Average daily high
26.2°C
Average daily low
18.5°C
Annual rainfall
2,583mm
Sunshine / day
9.5h
Mean relative humidity
83%
Average peak wind
8.8km/h
Seasonal range
3.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
42 d/yr
Rainy days (≥ 1 mm)
248 d/yr
Annual snowfall
0.0 cm
Average feels-like high
29.4 °C
Average feels-like low
20.6 °C
Average peak gust
32.0 km/h
Tropical nights (≥ 20 °C)
65 d/yr
Solar radiation
17.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.83 · 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
36.0 °C
3 April 2014
Coldest day
10.7 °C
27 December 1941
Wettest day
242 mm
12 May 1972
Windiest day
26.8 km/h
30 May 2025
Strongest gust
96.5 km/h
23 July 1989
Hottest feels-like
38.8 °C
4 April 2016
Coldest feels-like
9.2 °C
27 December 1941
Sunniest day
12.1 h
22 May 1981
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 | 27.3 °C | +0.3 °C | 72 mm | +40 mm |
| Feb | 30.1 °C | +1.0 °C | 7 mm | -20 mm |
| Mar | 30.3 °C | -0.4 °C | 88 mm | +30 mm |
| Apr | 27.9 °C | -1.4 °C | 249 mm | +104 mm |
| May | 25.6 °C | -0.9 °C | 628 mm | +355 mm |
| Jun | 25.1 °C | +1.1 °C | 449 mm | +16 mm |
| Jul | 24.3 °C | +0.7 °C | 598 mm | +179 mm |
| Aug | 24.8 °C | +0.9 °C | 302 mm | -7 mm |
| Sep | 25.2 °C | +0.7 °C | 125 mm | -91 mm |
| Oct | 25.7 °C | +0.6 °C | 326 mm | +16 mm |
| Nov | 25.4 °C | +0.1 °C | 257 mm | -8 mm |
| Dec | 26.3 °C | +0.7 °C | 79 mm | -20 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 Munnar?
Munnar has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 21.9 °C and it receives 2,583 mm of precipitation per year.
What is the hottest day ever recorded in Munnar?
The hottest day measured in Munnar between 1940 and 2025 was 3 April 2014, reaching 36.0 °C.
What is the coldest day in Munnar?
The coldest day measured in Munnar between 1940 and 2025 was 27 December 1941, at 10.7 °C.
Does it snow in Munnar?
Almost never: Munnar sees virtually no snow, with about 0 frost days per year.
Has the climate of Munnar warmed?
Yes: Munnar warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Munnar?
The wettest day measured in Munnar between 1940 and 2025 was 12 May 1972, with 242 mm of rain in 24 hours.
What was the windiest day in Munnar?
The windiest day measured in Munnar between 1940 and 2025 was 30 May 2025, with winds reaching 26.8 km/h.
What is the warmest month in Munnar?
The warmest month in Munnar is March (24.2 °C on average); the coldest is July (20.8 °C).
How much does it rain in Munnar?
Munnar receives on average 2,583 mm of precipitation per year, spread over about 248 rainy days.
Is it sunny in Munnar?
Munnar gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
Are there tropical nights in Munnar?
Yes: Munnar has on average 65 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Munnar?
In Munnar, between 1940 and 2025, the highest apparent temperature reached 38.8 °C on 4 April 2016, and the lowest was 9.2 °C on 27 December 1941.
Compare Munnar with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Munnar