Piro climate — normals and trends
Piro (India) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 25.8 °C and it receives 1,136 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 (33.2 °C on average) and the coldest is January (16.3 °C). Rainfall peaks in July.
Piro averages 0 frost days, 224 hot days (≥ 30 °C) and 114 rainy days per year.
Piro has warmed by +0.5 °C between 1940 and 2025, or +0.06 °C per decade. This trend is statistically significant.
The hottest day of the period reached 47.3 °C (on 29 May 1957) and the coldest 4.1 °C (on 10 January 2003).
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
PiroBihar
- coords
- 25.33°, 84.40°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.8°C
Average daily high
31.5°C
Average daily low
20.9°C
Annual rainfall
1,136mm
Sunshine / day
10.2h
Mean relative humidity
64%
Average peak wind
14.3km/h
Seasonal range
16.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
224 d/yr
Rainy days (≥ 1 mm)
114 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.8 °C
Average feels-like low
22.6 °C
Average peak gust
29.3 km/h
Tropical nights (≥ 20 °C)
217 d/yr
Solar radiation
18.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.5 °C
since 1940
+0.1 °C per decade · r² = 0.07 · p = 0.014
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
47.3 °C
29 May 1957
Coldest day
4.1 °C
10 January 2003
Wettest day
203 mm
1 August 1971
Windiest day
44.8 km/h
28 July 1992
Strongest gust
82.4 km/h
10 November 1995
Hottest feels-like
51.5 °C
30 May 2024
Coldest feels-like
1.5 °C
9 January 2013
Sunniest day
13.0 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 | 21.7 °C | -1.5 °C | 0 mm | -20 mm |
| Feb | 27.9 °C | +1.0 °C | 2 mm | -17 mm |
| Mar | 32.8 °C | -0.3 °C | 2 mm | -10 mm |
| Apr | 37.1 °C | -1.3 °C | 21 mm | +8 mm |
| May | 37.3 °C | -2.4 °C | 51 mm | +25 mm |
| Jun | 36.4 °C | -1.0 °C | 135 mm | -17 mm |
| Jul | 33.2 °C | +0.4 °C | 302 mm | -22 mm |
| Aug | 32.1 °C | 0.0 °C | 321 mm | +37 mm |
| Sep | 32.7 °C | +1.2 °C | 287 mm | +83 mm |
| Oct | 30.4 °C | -0.1 °C | 214 mm | +153 mm |
| Nov | 27.2 °C | -0.8 °C | 2 mm | -8 mm |
| Dec | 21.4 °C | -3.2 °C | 0 mm | -9 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 Piro?
Piro has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 1,136 mm of precipitation per year.
What is the hottest day ever recorded in Piro?
The hottest day measured in Piro between 1940 and 2025 was 29 May 1957, reaching 47.3 °C.
What is the coldest day in Piro?
The coldest day measured in Piro between 1940 and 2025 was 10 January 2003, at 4.1 °C.
Does it snow in Piro?
Almost never: Piro sees virtually no snow, with about 0 frost days per year.
Has the climate of Piro warmed?
Yes: Piro warmed by +0.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Piro?
The wettest day measured in Piro between 1940 and 2025 was 1 August 1971, with 203 mm of rain in 24 hours.
What was the windiest day in Piro?
The windiest day measured in Piro between 1940 and 2025 was 28 July 1992, with winds reaching 44.8 km/h.
What is the warmest month in Piro?
The warmest month in Piro is May (33.2 °C on average); the coldest is January (16.3 °C).
How much does it rain in Piro?
Piro receives on average 1,136 mm of precipitation per year, spread over about 114 rainy days.
Is it sunny in Piro?
Piro gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Piro?
Yes: Piro has on average 217 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Piro?
In Piro, between 1940 and 2025, the highest apparent temperature reached 51.5 °C on 30 May 2024, and the lowest was 1.5 °C on 9 January 2013.
Compare Piro with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Piro