Ajmer climate — normals and trends
Ajmer (India) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 25.1 °C and it receives 480 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 May (33.3 °C on average) and the coldest is January (15.1 °C). Rainfall peaks in July.
Ajmer averages 0 frost days, 221 hot days (≥ 30 °C) and 60 rainy days per year.
Ajmer has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 46.8 °C (on 19 May 2016) and the coldest 0.5 °C (on 11 January 1967).
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
AjmerRajasthan
- coords
- 26.45°, 74.64°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.1°C
Average daily high
31.3°C
Average daily low
19.9°C
Annual rainfall
480mm
Sunshine / day
10.5h
Mean relative humidity
48%
Average peak wind
15.9km/h
Seasonal range
18.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
221 d/yr
Rainy days (≥ 1 mm)
60 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.5 °C
Average feels-like low
19.3 °C
Average peak gust
33.0 km/h
Tropical nights (≥ 20 °C)
204 d/yr
Solar radiation
19.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.26 · 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
46.8 °C
19 May 2016
Coldest day
0.5 °C
11 January 1967
Wettest day
145 mm
19 July 1975
Windiest day
43.0 km/h
15 March 1956
Strongest gust
88.9 km/h
7 June 2010
Hottest feels-like
47.6 °C
21 June 2005
Coldest feels-like
-4.2 °C
11 January 1967
Sunniest day
12.9 h
17 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 | 22.8 °C | +0.6 °C | 5 mm | -5 mm |
| Feb | 28.1 °C | +2.3 °C | 1 mm | -6 mm |
| Mar | 32.9 °C | +1.4 °C | 1 mm | -5 mm |
| Apr | 39.8 °C | +3.0 °C | 1 mm | -4 mm |
| May | 38.4 °C | -1.3 °C | 26 mm | +15 mm |
| Jun | 36.6 °C | -1.7 °C | 124 mm | +83 mm |
| Jul | 30.9 °C | -2.3 °C | 328 mm | +165 mm |
| Aug | 31.2 °C | +0.4 °C | 183 mm | +30 mm |
| Sep | 31.4 °C | -0.7 °C | 55 mm | -5 mm |
| Oct | 29.2 °C | -3.5 °C | 53 mm | +39 mm |
| Nov | 27.1 °C | -1.4 °C | 23 mm | +16 mm |
| Dec | 25.9 °C | +1.9 °C | 0 mm | -5 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 Ajmer?
Ajmer has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 25.1 °C and it receives 480 mm of precipitation per year.
What is the hottest day ever recorded in Ajmer?
The hottest day measured in Ajmer between 1940 and 2025 was 19 May 2016, reaching 46.8 °C.
What is the coldest day in Ajmer?
The coldest day measured in Ajmer between 1940 and 2025 was 11 January 1967, at 0.5 °C.
Does it snow in Ajmer?
Almost never: Ajmer sees virtually no snow, with about 0 frost days per year.
Has the climate of Ajmer warmed?
Yes: Ajmer warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ajmer?
The wettest day measured in Ajmer between 1940 and 2025 was 19 July 1975, with 145 mm of rain in 24 hours.
What was the windiest day in Ajmer?
The windiest day measured in Ajmer between 1940 and 2025 was 15 March 1956, with winds reaching 43.0 km/h.
What is the warmest month in Ajmer?
The warmest month in Ajmer is May (33.3 °C on average); the coldest is January (15.1 °C).
How much does it rain in Ajmer?
Ajmer receives on average 480 mm of precipitation per year, spread over about 60 rainy days.
Is it sunny in Ajmer?
Ajmer gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
Are there tropical nights in Ajmer?
Yes: Ajmer has on average 204 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ajmer?
In Ajmer, between 1940 and 2025, the highest apparent temperature reached 47.6 °C on 21 June 2005, and the lowest was -4.2 °C on 11 January 1967.
Compare Ajmer with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ajmer