Katihar climate — normals and trends
Katihar (India) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 25.2 °C and it receives 1,424 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 (29.3 °C on average) and the coldest is January (17.0 °C). Rainfall peaks in July.
Katihar averages 0 frost days, 215 hot days (≥ 30 °C) and 142 rainy days per year.
Katihar has warmed by +1.1 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 46.5 °C (on 26 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.
Climate normals · ERA5
KatiharBihar
- coords
- 25.54°, 87.57°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.2°C
Average daily high
30.5°C
Average daily low
21.0°C
Annual rainfall
1,424mm
Sunshine / day
9.6h
Mean relative humidity
72%
Average peak wind
13.4km/h
Seasonal range
12.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
215 d/yr
Rainy days (≥ 1 mm)
142 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.6 °C
Average feels-like low
23.3 °C
Average peak gust
28.6 km/h
Tropical nights (≥ 20 °C)
226 d/yr
Solar radiation
17.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.32 · 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
46.5 °C
26 May 1957
Coldest day
4.2 °C
9 January 2013
Wettest day
202 mm
13 August 1995
Windiest day
42.2 km/h
26 May 2009
Strongest gust
94.7 km/h
26 May 2009
Hottest feels-like
49.0 °C
12 May 1988
Coldest feels-like
1.5 °C
31 January 1964
Sunniest day
13.1 h
13 June 1981
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 | 22.9 °C | -0.8 °C | 0 mm | -18 mm |
| Feb | 27.2 °C | +0.2 °C | 1 mm | -16 mm |
| Mar | 31.7 °C | -0.8 °C | 18 mm | -6 mm |
| Apr | 33.3 °C | -2.4 °C | 105 mm | +56 mm |
| May | 32.9 °C | -1.8 °C | 213 mm | +93 mm |
| Jun | 33.7 °C | +0.4 °C | 192 mm | -55 mm |
| Jul | 32.8 °C | +0.9 °C | 247 mm | -79 mm |
| Aug | 32.7 °C | +0.8 °C | 266 mm | -9 mm |
| Sep | 33.3 °C | +1.8 °C | 323 mm | +85 mm |
| Oct | 31.5 °C | +1.0 °C | 196 mm | +100 mm |
| Nov | 28.7 °C | +0.3 °C | 29 mm | +18 mm |
| Dec | 23.1 °C | -2.1 °C | 0 mm | -6 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 Katihar?
Katihar has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 25.2 °C and it receives 1,424 mm of precipitation per year.
What is the hottest day ever recorded in Katihar?
The hottest day measured in Katihar between 1940 and 2025 was 26 May 1957, reaching 46.5 °C.
What is the coldest day in Katihar?
The coldest day measured in Katihar between 1940 and 2025 was 9 January 2013, at 4.2 °C.
Does it snow in Katihar?
Almost never: Katihar sees virtually no snow, with about 0 frost days per year.
Has the climate of Katihar warmed?
Yes: Katihar warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Katihar?
The wettest day measured in Katihar between 1940 and 2025 was 13 August 1995, with 202 mm of rain in 24 hours.
What was the windiest day in Katihar?
The windiest day measured in Katihar between 1940 and 2025 was 26 May 2009, with winds reaching 42.2 km/h.
What is the warmest month in Katihar?
The warmest month in Katihar is May (29.3 °C on average); the coldest is January (17.0 °C).
How much does it rain in Katihar?
Katihar receives on average 1,424 mm of precipitation per year, spread over about 142 rainy days.
Is it sunny in Katihar?
Katihar gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
Are there tropical nights in Katihar?
Yes: Katihar has on average 226 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Katihar?
In Katihar, between 1940 and 2025, the highest apparent temperature reached 49.0 °C on 12 May 1988, and the lowest was 1.5 °C on 31 January 1964.
Compare Katihar with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Katihar