Basti climate — normals and trends
Basti (India) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 25.2 °C and it receives 1,213 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 (32.4 °C on average) and the coldest is January (15.3 °C). Rainfall peaks in July.
Basti averages 0 frost days, 219 hot days (≥ 30 °C) and 113 rainy days per year.
Basti has warmed by +0.6 °C between 1940 and 2025, or +0.08 °C per decade. This trend is statistically significant.
The hottest day of the period reached 46.9 °C (on 8 June 1966) and the coldest 2.8 °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.
Climate normals · ERA5
BastiUttar Pradesh
- coords
- 26.79°, 82.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.2°C
Average daily high
31.0°C
Average daily low
20.3°C
Annual rainfall
1,213mm
Sunshine / day
10.1h
Mean relative humidity
65%
Average peak wind
15.2km/h
Seasonal range
17.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
219 d/yr
Rainy days (≥ 1 mm)
113 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.2 °C
Average feels-like low
21.7 °C
Average peak gust
30.6 km/h
Tropical nights (≥ 20 °C)
209 d/yr
Solar radiation
18.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.6 °C
since 1940
+0.1 °C per decade · r² = 0.12 · 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
46.9 °C
8 June 1966
Coldest day
2.8 °C
9 January 2013
Wettest day
159 mm
6 September 1958
Windiest day
45.0 km/h
14 October 2014
Strongest gust
88.9 km/h
14 October 2014
Hottest feels-like
51.9 °C
30 May 2024
Coldest feels-like
-0.2 °C
9 January 2013
Sunniest day
13.0 h
30 April 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 | 20.6 °C | -1.5 °C | 1 mm | -21 mm |
| Feb | 26.7 °C | +0.9 °C | 0 mm | -20 mm |
| Mar | 32.7 °C | +0.6 °C | 11 mm | -4 mm |
| Apr | 36.8 °C | -0.7 °C | 14 mm | +1 mm |
| May | 36.8 °C | -2.0 °C | 41 mm | +8 mm |
| Jun | 36.4 °C | -0.4 °C | 143 mm | -7 mm |
| Jul | 33.8 °C | +1.3 °C | 208 mm | -149 mm |
| Aug | 32.3 °C | +0.4 °C | 363 mm | +55 mm |
| Sep | 33.0 °C | +1.4 °C | 226 mm | +9 mm |
| Oct | 30.8 °C | 0.0 °C | 146 mm | +86 mm |
| Nov | 28.2 °C | +0.1 °C | 1 mm | -6 mm |
| Dec | 21.5 °C | -2.5 °C | 0 mm | -10 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 Basti?
Basti has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 25.2 °C and it receives 1,213 mm of precipitation per year.
What is the hottest day ever recorded in Basti?
The hottest day measured in Basti between 1940 and 2025 was 8 June 1966, reaching 46.9 °C.
What is the coldest day in Basti?
The coldest day measured in Basti between 1940 and 2025 was 9 January 2013, at 2.8 °C.
Does it snow in Basti?
Almost never: Basti sees virtually no snow, with about 0 frost days per year.
Has the climate of Basti warmed?
Yes: Basti warmed by +0.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Basti?
The wettest day measured in Basti between 1940 and 2025 was 6 September 1958, with 159 mm of rain in 24 hours.
What was the windiest day in Basti?
The windiest day measured in Basti between 1940 and 2025 was 14 October 2014, with winds reaching 45.0 km/h.
What is the warmest month in Basti?
The warmest month in Basti is May (32.4 °C on average); the coldest is January (15.3 °C).
How much does it rain in Basti?
Basti receives on average 1,213 mm of precipitation per year, spread over about 113 rainy days.
Is it sunny in Basti?
Basti gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Basti?
Yes: Basti has on average 209 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Basti?
In Basti, between 1940 and 2025, the highest apparent temperature reached 51.9 °C on 30 May 2024, and the lowest was -0.2 °C on 9 January 2013.
Compare Basti with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Basti