Patuakhali climate — normals and trends
Patuakhali (Bangladesh) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.7 °C and it receives 1,963 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 (29.1 °C on average) and the coldest is January (19.3 °C). Rainfall peaks in July.
Patuakhali averages 0 frost days, 195 hot days (≥ 30 °C) and 172 rainy days per year.
Patuakhali has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.2 °C (on 14 April 1961) and the coldest 7.3 °C (on 10 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
PatuakhaliBarisal Division
- coords
- 22.37°, 90.35°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.7°C
Average daily high
29.9°C
Average daily low
22.5°C
Annual rainfall
1,963mm
Sunshine / day
9.4h
Mean relative humidity
80%
Average peak wind
14.6km/h
Seasonal range
9.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
195 d/yr
Rainy days (≥ 1 mm)
172 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.8 °C
Average feels-like low
25.8 °C
Average peak gust
30.6 km/h
Tropical nights (≥ 20 °C)
257 d/yr
Solar radiation
16.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.54 · 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
42.2 °C
14 April 1961
Coldest day
7.3 °C
10 January 2013
Wettest day
268 mm
2 August 1950
Windiest day
65.6 km/h
29 April 1991
Strongest gust
131.4 km/h
29 April 1991
Hottest feels-like
46.3 °C
1 May 2024
Coldest feels-like
5.3 °C
10 January 2013
Sunniest day
12.6 h
16 June 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 | 25.9 °C | +0.1 °C | 1 mm | -8 mm |
| Feb | 29.8 °C | +1.0 °C | 8 mm | -8 mm |
| Mar | 33.2 °C | +0.9 °C | 7 mm | -38 mm |
| Apr | 33.4 °C | +0.4 °C | 75 mm | -38 mm |
| May | 33.4 °C | +0.9 °C | 234 mm | +48 mm |
| Jun | 32.0 °C | +0.9 °C | 382 mm | +32 mm |
| Jul | 30.8 °C | +0.5 °C | 632 mm | +249 mm |
| Aug | 31.4 °C | +1.0 °C | 320 mm | -19 mm |
| Sep | 32.3 °C | +1.7 °C | 293 mm | +20 mm |
| Oct | 32.2 °C | +2.0 °C | 142 mm | -37 mm |
| Nov | 30.0 °C | +1.8 °C | 3 mm | -53 mm |
| Dec | 25.7 °C | -0.2 °C | 0 mm | -15 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 Patuakhali?
Patuakhali has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.7 °C and it receives 1,963 mm of precipitation per year.
What is the hottest day ever recorded in Patuakhali?
The hottest day measured in Patuakhali between 1940 and 2025 was 14 April 1961, reaching 42.2 °C.
What is the coldest day in Patuakhali?
The coldest day measured in Patuakhali between 1940 and 2025 was 10 January 2013, at 7.3 °C.
Does it snow in Patuakhali?
Almost never: Patuakhali sees virtually no snow, with about 0 frost days per year.
Has the climate of Patuakhali warmed?
Yes: Patuakhali warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Patuakhali?
The wettest day measured in Patuakhali between 1940 and 2025 was 2 August 1950, with 268 mm of rain in 24 hours.
What was the windiest day in Patuakhali?
The windiest day measured in Patuakhali between 1940 and 2025 was 29 April 1991, with winds reaching 65.6 km/h.
What is the warmest month in Patuakhali?
The warmest month in Patuakhali is May (29.1 °C on average); the coldest is January (19.3 °C).
How much does it rain in Patuakhali?
Patuakhali receives on average 1,963 mm of precipitation per year, spread over about 172 rainy days.
Is it sunny in Patuakhali?
Patuakhali gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
Are there tropical nights in Patuakhali?
Yes: Patuakhali has on average 257 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Patuakhali?
In Patuakhali, between 1940 and 2025, the highest apparent temperature reached 46.3 °C on 1 May 2024, and the lowest was 5.3 °C on 10 January 2013.
Compare Patuakhali with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Patuakhali