Merta Road climate — normals and trends
Merta Road (India) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 25.6 °C and it receives 344 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 (33.6 °C on average) and the coldest is January (15.2 °C). Rainfall peaks in July.
Merta Road averages 0 frost days, 244 hot days (≥ 30 °C) and 46 rainy days per year.
Merta Road has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 47.7 °C (on 19 May 2016) and the coldest -1.0 °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
Merta RoadRajasthan
- coords
- 26.72°, 73.92°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.6°C
Average daily high
32.2°C
Average daily low
20.0°C
Annual rainfall
344mm
Sunshine / day
10.7h
Mean relative humidity
47%
Average peak wind
15.4km/h
Seasonal range
18.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
244 d/yr
Rainy days (≥ 1 mm)
46 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.6 °C
Average feels-like low
19.6 °C
Average peak gust
31.3 km/h
Tropical nights (≥ 20 °C)
202 d/yr
Solar radiation
20.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.15 · 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
47.7 °C
19 May 2016
Coldest day
-1.0 °C
11 January 1967
Wettest day
184 mm
15 August 2012
Windiest day
48.2 km/h
7 June 2010
Strongest gust
84.2 km/h
7 June 2010
Hottest feels-like
48.8 °C
13 June 2025
Coldest feels-like
-5.5 °C
11 January 1967
Sunniest day
12.9 h
28 May 1972
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 | 23.8 °C | +0.9 °C | 2 mm | -5 mm |
| Feb | 28.6 °C | +2.2 °C | 0 mm | -6 mm |
| Mar | 33.2 °C | +1.2 °C | 1 mm | -3 mm |
| Apr | 40.5 °C | +3.2 °C | 2 mm | -2 mm |
| May | 39.2 °C | -1.0 °C | 11 mm | +2 mm |
| Jun | 37.5 °C | -1.5 °C | 99 mm | +73 mm |
| Jul | 32.3 °C | -2.3 °C | 204 mm | +88 mm |
| Aug | 32.4 °C | +0.1 °C | 191 mm | +76 mm |
| Sep | 32.5 °C | -1.1 °C | 38 mm | -4 mm |
| Oct | 31.0 °C | -3.1 °C | 30 mm | +21 mm |
| Nov | 28.6 °C | -0.8 °C | 4 mm | -1 mm |
| Dec | 26.8 °C | +2.1 °C | 0 mm | -3 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 Merta Road?
Merta Road has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 25.6 °C and it receives 344 mm of precipitation per year.
What is the hottest day ever recorded in Merta Road?
The hottest day measured in Merta Road between 1940 and 2025 was 19 May 2016, reaching 47.7 °C.
What is the coldest day in Merta Road?
The coldest day measured in Merta Road between 1940 and 2025 was 11 January 1967, at -1.0 °C.
Does it snow in Merta Road?
Almost never: Merta Road sees virtually no snow, with about 0 frost days per year.
Has the climate of Merta Road warmed?
Yes: Merta Road warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Merta Road?
The wettest day measured in Merta Road between 1940 and 2025 was 15 August 2012, with 184 mm of rain in 24 hours.
What was the windiest day in Merta Road?
The windiest day measured in Merta Road between 1940 and 2025 was 7 June 2010, with winds reaching 48.2 km/h.
What is the warmest month in Merta Road?
The warmest month in Merta Road is May (33.6 °C on average); the coldest is January (15.2 °C).
How much does it rain in Merta Road?
Merta Road receives on average 344 mm of precipitation per year, spread over about 46 rainy days.
Is it sunny in Merta Road?
Merta Road gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in Merta Road?
Yes: Merta Road has on average 202 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Merta Road?
In Merta Road, between 1940 and 2025, the highest apparent temperature reached 48.8 °C on 13 June 2025, and the lowest was -5.5 °C on 11 January 1967.
Compare Merta Road with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Merta Road