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Monthly climate in Sirajganj, Rajshahi Division, Bangladesh

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sirajganj features a tropical savanna climate (Aw).Temperatures typically range between 18 °C (64 °F) and 30 °C (86 °F) through the year, but rarely can drop to 8 °C (46 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 2040 mm (80.3 inches) and receives 172 rainy days on the 1 mm (0.04 inches) threshold annually.Sirajganj enjoys an average of 3438 hours of sunshine throughout the year, and daylight varies from 10 hours 38 minutes to 13 hours 36 minutes per day.

Monthly average temperatures in Sirajganj, Rajshahi Division, Bangladesh §

The warmest months in Sirajganj are July, August and September, with daily mean temperatures ranging from 29 to 30 °C (85 - 86 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 18 to 20 °C (64 - 69 °F) throughout the day. On average each year, Sirajganj experiences 291 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sirajganj, Rajshahi Division, Bangladesh.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 29°C
(84°F)		 33°C
(91°F)		 35°C
(95°F)		 37°C
(99°F)		 37°C
(98°F)		 36°C
(97°F)		 37°C
(99°F)		 36°C
(97°F)		 36°C
(98°F)		 36°C
(97°F)		 32°C
(90°F)		 29°C
(85°F)
Mean maximum 28°C
(82°F)		 31°C
(88°F)		 34°C
(94°F)		 36°C
(96°F)		 35°C
(96°F)		 35°C
(96°F)		 35°C
(96°F)		 35°C
(96°F)		 36°C
(96°F)		 35°C
(95°F)		 31°C
(89°F)		 28°C
(84°F)
Average high 24°C
(75°F)		 27°C
(81°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(90°F)		 32°C
(91°F)		 32°C
(90°F)		 33°C
(91°F)		 33°C
(91°F)		 32°C
(89°F)		 29°C
(85°F)		 25°C
(77°F)
Daily mean 18°C
(64°F)		 20°C
(69°F)		 25°C
(77°F)		 27°C
(81°F)		 28°C
(83°F)		 29°C
(85°F)		 29°C
(85°F)		 30°C
(86°F)		 29°C
(85°F)		 28°C
(82°F)		 23°C
(75°F)		 19°C
(67°F)
Average low 13°C
(56°F)		 15°C
(60°F)		 20°C
(68°F)		 23°C
(74°F)		 25°C
(77°F)		 27°C
(80°F)		 27°C
(81°F)		 27°C
(82°F)		 27°C
(81°F)		 25°C
(77°F)		 19°C
(67°F)		 15°C
(60°F)
Mean minimum 10°C
(49°F)		 11°C
(52°F)		 16°C
(61°F)		 19°C
(67°F)		 22°C
(71°F)		 25°C
(77°F)		 26°C
(79°F)		 26°C
(80°F)		 26°C
(78°F)		 21°C
(71°F)		 16°C
(60°F)		 11°C
(53°F)
Minimum 8°C
(46°F)		 8°C
(47°F)		 13°C
(56°F)		 18°C
(65°F)		 21°C
(69°F)		 23°C
(75°F)		 25°C
(78°F)		 26°C
(79°F)		 25°C
(76°F)		 20°C
(69°F)		 15°C
(59°F)		 9°C
(49°F)

Compare climate in Sirajganj with other places

Compare temperature, precipitation, sunshine, UV index in Sirajganj, Rajshahi Division, Bangladesh with other places around the world.

Monthly average precipitation in Sirajganj, Rajshahi Division, Bangladesh §

Sirajganj usually has the most precipitation in May, June and July, with an average of 26 rainy days and 364 mm (14.3 inches) of precipitation per month.The driest months in Sirajganj are January, February and November. On average, 10 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sirajganj, Rajshahi Division, Bangladesh.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 4 (0.1) 14 (0.6) 35 (1.4) 207 (8.1) 346 (13.6) 389 (15.3) 358 (14.1) 261 (10.3) 223 (8.8) 175 (6.9) 11 (0.4) 19 (0.7)
Average precipitation days (≥ 1 mm) 1 2 7 16 25 26 28 27 25 13 1 1

Monthly sunshine hours in Sirajganj, Rajshahi Division, Bangladesh §

The sunniest months in Sirajganj are March, April and May, when the sun shines an average of 10 hours 14 minutes a day.Least sunny months in Sirajganj: January, July and September receive an average of 8 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sirajganj, Rajshahi Division, Bangladesh.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 236 282 329 310 301 287 262 288 278 289 289 280
Mean daily daylight hours 10h 47m 11h 19m 12h 0m 12h 43m 13h 19m 13h 36m 13h 27m 12h 56m 12h 15m 11h 33m 10h 56m 10h 38m

Solar UV radiation in Sirajganj, Rajshahi Division, Bangladesh §

Sirajganj experiences the highest level of ultraviolet (UV) radiation in July, August and September, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure.January, February and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Sirajganj UV Index data.

Average daily maximum UV levels by month for Sirajganj, Rajshahi Division, Bangladesh.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 5 7 9 10 12 12 13 13 12 10 8 6