Ballia climate — normals and trends
Ballia has a hot-summer mediterranean climate, averaging 25.5 °C annually with 1,264 mm of rain per year.
Climate normals · ERA5
BalliaBihar
- coords
- 25.42°, 86.31°
- period
- 1940–2025 · 86 yrs
The normals for this period
The average of every indicator across the whole window: temperature, water, sky, wind and notable days.
Mean daily temperature
25.5°C
Average daily high
31.0°C
Average daily low
21.0°C
Annual rainfall
1,264mm
Sunshine / day
10.0h
Mean relative humidity
69%
Average peak wind
14.8km/h
Seasonal range
14.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
225 d/yr
Rainy days (≥ 1 mm)
128 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.6 °C
Average feels-like low
23.2 °C
Average peak gust
30.0 km/h
Tropical nights (≥ 20 °C)
224 d/yr
Solar radiation
17.9 MJ/m²
Has the climate changed?
What the yearly averages say about warming here, and whether the slope is statistically solid.
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.23 · 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).
Climate month by month
How an average year unfolds: when it rains, when it turns hot, when the sun is out.
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
The most extreme days ever measured here, then the year-by-year detail.
Hottest day
46.3 °C
25 May 1957
Coldest day
4.2 °C
9 January 2013
Wettest day
384 mm
21 September 2000
Windiest day
48.4 km/h
10 November 1995
Strongest gust
92.5 km/h
10 November 1995
Hottest feels-like
49.7 °C
9 June 2015
Coldest feels-like
1.4 °C
9 January 2013
Sunniest day
13.0 h
3 June 2005
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and compare it with the normal: warmer, drier, more extreme?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 22.0 °C | -1.1 °C | 1 mm | -19 mm |
| Feb | 27.3 °C | +0.7 °C | 0 mm | -16 mm |
| Mar | 32.2 °C | -0.5 °C | 10 mm | -10 mm |
| Apr | 35.1 °C | -1.9 °C | 59 mm | +32 mm |
| May | 35.3 °C | -1.9 °C | 75 mm | +17 mm |
| Jun | 35.2 °C | -0.1 °C | 158 mm | -30 mm |
| Jul | 33.4 °C | +1.0 °C | 253 mm | -76 mm |
| Aug | 32.6 °C | +0.5 °C | 330 mm | +54 mm |
| Sep | 33.5 °C | +1.7 °C | 229 mm | -4 mm |
| Oct | 31.3 °C | +0.5 °C | 272 mm | +190 mm |
| Nov | 28.4 °C | 0.0 °C | 0 mm | -8 mm |
| Dec | 22.3 °C | -2.4 °C | 0 mm | -7 mm |
The year's extremes
What was the weather like that day?
The weather actually measured on a given date, anywhere in the covered window.
Climate at a glance
What these normals say about the place, in a few sentences, and the notions needed to read them.
Ballia (India) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 25.5 °C and it receives 1,264 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 (31.1 °C on average) and the coldest is January (16.5 °C). Rainfall peaks in July.
Ballia averages 0 frost days, 225 hot days (≥ 30 °C) and 128 rainy days per year.
Ballia has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 46.3 °C (on 25 May 1957) and the coldest 4.2 °C (on 9 January 2013).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Compare Ballia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ballia
Other cities — India
Frequently asked questions
What is the climate of Ballia?
Ballia has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 25.5 °C and it receives 1,264 mm of precipitation per year.
What is the hottest day ever recorded in Ballia?
The hottest day measured in Ballia between 1940 and 2025 was 25 May 1957, reaching 46.3 °C.
What is the coldest day in Ballia?
The coldest day measured in Ballia between 1940 and 2025 was 9 January 2013, at 4.2 °C.
Does it snow in Ballia?
Almost never: Ballia sees virtually no snow, with about 0 frost days per year.
Has the climate of Ballia warmed?
Yes: Ballia warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ballia?
The wettest day measured in Ballia between 1940 and 2025 was 21 September 2000, with 384 mm of rain in 24 hours.
What was the windiest day in Ballia?
The windiest day measured in Ballia between 1940 and 2025 was 10 November 1995, with winds reaching 48.4 km/h.
What is the warmest month in Ballia?
The warmest month in Ballia is May (31.1 °C on average); the coldest is January (16.5 °C).
How much does it rain in Ballia?
Ballia receives on average 1,264 mm of precipitation per year, spread over about 128 rainy days.
Is it sunny in Ballia?
Ballia gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
Are there tropical nights in Ballia?
Yes: Ballia has on average 224 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ballia?
In Ballia, between 1940 and 2025, the highest apparent temperature reached 49.7 °C on 9 June 2015, and the lowest was 1.4 °C on 9 January 2013.
These forecasts and records come from our own weather API. Developer documentation →