Barishal, Bangladesh climate

Cwa Monsoon-influenced humid subtropical

Barishal has a mildly seasonal tropical climate (Monsoon-influenced humid subtropical, Köppen Cwa). The hottest month is August with an average daily high near 32°C, while the coldest is January averaging around 10°C at night. Precipitation totals about 2002 mm a year and is strongly seasonal — July alone averages 369 mm while December barely receives 11 mm.

☀️ Summers

Hot

Highs near 32°C in August.

About 126 days a year above 32 °C

❄️ Winters

Mild

Lows near 10°C in January.

🌧️ Rain

Very wet

About 2002 mm of rain a year.

Wettest in July

⛅ Sky & trend

Partly cloudy

A roughly even mix of sun and cloud.

+0.2 °C vs 50 years ago

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures

Clear vs cloudy days

Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day counts

Barishal climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	25	29	32	34	33	32	32	32	32	32	30	26
Avg temp (°C)	18	21	26	28	28	29	28	29	29	27	23	19
Avg low (°C)	10	13	19	22	23	25	25	25	25	23	17	12
Precipitation (mm)	14	65	50	176	346	350	369	264	194	133	31	11

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	25	29	32	34	33	32
Avg temp (°C)	18	21	26	28	28	29
Avg low (°C)	10	13	19	22	23	25
Precipitation (mm)	14	65	50	176	346	350

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	32	32	32	32	30	26
Avg temp (°C)	28	29	29	27	23	19
Avg low (°C)	25	25	25	23	17	12
Precipitation (mm)	369	264	194	133	31	11

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	1	2	3	7	12	16	21	20	14	9	2	1.0
Days with high ≥ 32°C (days)	—	1	15	18	17	15	14	15	16	12	2	0.1

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	1	2	3	7	12	16
Days with high ≥ 32°C (days)	—	1	15	18	17	15

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	21	20	14	9	2	1.0
Days with high ≥ 32°C (days)	14	15	16	12	2	0.1

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	26	27	40	59	74	88	92	91	83	55	28	26
Clear days (≤ 30% cloud)	20	18	12	4	1	0.2	—	0.1	0.8	10	21	21
Partly cloudy days (30–70%)	8	7	14	15	10	3	2	2	5	8	5	6
Cloudy days (≥ 70%)	3	3	5	11	20	27	29	29	24	13	4	3
Relative humidity (%)	60	52	51	64	76	87	89	89	88	83	76	69
Wind speed (m/s)	1.3	1.5	1.9	2.2	2.3	2.5	2.6	2.2	1.6	1.2	1.1	1.1

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	26	27	40	59	74	88
Clear days (≤ 30% cloud)	20	18	12	4	1	0.2
Partly cloudy days (30–70%)	8	7	14	15	10	3
Cloudy days (≥ 70%)	3	3	5	11	20	27
Relative humidity (%)	60	52	51	64	76	87
Wind speed (m/s)	1.3	1.5	1.9	2.2	2.3	2.5

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	92	91	83	55	28	26
Clear days (≤ 30% cloud)	—	0.1	0.8	10	21	21
Partly cloudy days (30–70%)	2	2	5	8	5	6
Cloudy days (≥ 70%)	29	29	24	13	4	3
Relative humidity (%)	89	89	88	83	76	69
Wind speed (m/s)	2.6	2.2	1.6	1.2	1.1	1.1

Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 23 years of daily observations at Agartala, a weather station, about 159 km from the city centre. The underlying daily records come from NOAA's global station network.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →