Seppa climate — normals and trends
Seppa (India) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 17.5 °C and it receives 3,762 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 August (22.3 °C on average) and the coldest is January (10.6 °C). Rainfall peaks in July.
Seppa averages 0 frost days, 1 hot days (≥ 30 °C) and 227 rainy days per year.
Seppa has warmed by +1.3 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.9 °C (on 2 June 1984) and the coldest 0.9 °C (on 26 January 1953).
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
SeppaArunachal Pradesh
- coords
- 27.36°, 93.04°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.5°C
Average daily high
21.5°C
Average daily low
14.4°C
Annual rainfall
3,762mm
Sunshine / day
8.3h
Mean relative humidity
86%
Average peak wind
6.4km/h
Seasonal range
11.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
227 d/yr
Annual snowfall
0.0 cm
Average feels-like high
23.3 °C
Average feels-like low
15.1 °C
Average peak gust
28.4 km/h
Tropical nights (≥ 20 °C)
74 d/yr
Solar radiation
12.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.63 · 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
31.9 °C
2 June 1984
Coldest day
0.9 °C
26 January 1953
Wettest day
206 mm
12 August 1995
Windiest day
19.0 km/h
21 March 1945
Strongest gust
82.1 km/h
21 March 2011
Hottest feels-like
38.8 °C
18 July 2017
Coldest feels-like
-2.4 °C
10 January 1971
Sunniest day
13.5 h
26 June 1961
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 | 19.5 °C | +3.2 °C | 21 mm | -15 mm |
| Feb | 17.4 °C | +0.2 °C | 86 mm | +17 mm |
| Mar | 20.2 °C | +0.1 °C | 140 mm | -3 mm |
| Apr | 23.0 °C | +1.1 °C | 263 mm | -16 mm |
| May | 23.7 °C | +0.3 °C | 504 mm | +40 mm |
| Jun | 26.4 °C | +1.9 °C | 389 mm | -302 mm |
| Jul | 27.8 °C | +3.3 °C | 426 mm | -316 mm |
| Aug | 25.6 °C | +0.8 °C | 677 mm | +58 mm |
| Sep | 26.9 °C | +2.6 °C | 318 mm | -155 mm |
| Oct | 24.9 °C | +2.0 °C | 119 mm | -75 mm |
| Nov | 22.7 °C | +2.3 °C | 20 mm | -13 mm |
| Dec | 20.5 °C | +2.8 °C | 0 mm | -20 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 Seppa?
Seppa has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 17.5 °C and it receives 3,762 mm of precipitation per year.
What is the hottest day ever recorded in Seppa?
The hottest day measured in Seppa between 1940 and 2025 was 2 June 1984, reaching 31.9 °C.
What is the coldest day in Seppa?
The coldest day measured in Seppa between 1940 and 2025 was 26 January 1953, at 0.9 °C.
Does it snow in Seppa?
Almost never: Seppa sees virtually no snow, with about 0 frost days per year.
Has the climate of Seppa warmed?
Yes: Seppa warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Seppa?
The wettest day measured in Seppa between 1940 and 2025 was 12 August 1995, with 206 mm of rain in 24 hours.
What was the windiest day in Seppa?
The windiest day measured in Seppa between 1940 and 2025 was 21 March 1945, with winds reaching 19.0 km/h.
What is the warmest month in Seppa?
The warmest month in Seppa is August (22.3 °C on average); the coldest is January (10.6 °C).
How much does it rain in Seppa?
Seppa receives on average 3,762 mm of precipitation per year, spread over about 227 rainy days.
Is it sunny in Seppa?
Seppa gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.
Are there tropical nights in Seppa?
Yes: Seppa has on average 74 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Seppa?
In Seppa, between 1940 and 2025, the highest apparent temperature reached 38.8 °C on 18 July 2017, and the lowest was -2.4 °C on 10 January 1971.
Compare Seppa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Seppa