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Monthly climate in Chilmari, Bangladesh

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Chilmari features a humid subtropical climate (Cwa). Temperatures typically range between 18 °C (64 °F) and 30 °C (86 °F) through the year, but rarely can drop to 6 °C (43 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 2189 mm (86.2 inches) and receives 175 rainy days on the 1 mm (0.04 inches) threshold annually. Chilmari enjoys an average of 3401 hours of sunshine throughout the year, and daylight varies from 10 hours 33 minutes to 13 hours 41 minutes per day.

Monthly average temperatures in Chilmari, Bangladesh

The warmest months in Chilmari 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, Chilmari 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 Chilmari. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(84°F)		31°C
(88°F)		35°C
(96°F)		36°C
(97°F)		36°C
(97°F)		36°C
(97°F)		37°C
(99°F)		37°C
(99°F)		37°C
(99°F)		36°C
(97°F)		32°C
(90°F)		29°C
(85°F)
Mean maximum28°C
(82°F)		30°C
(86°F)		34°C
(93°F)		35°C
(95°F)		35°C
(95°F)		35°C
(95°F)		35°C
(96°F)		36°C
(97°F)		36°C
(97°F)		35°C
(95°F)		31°C
(89°F)		29°C
(84°F)
Average high24°C
(75°F)		26°C
(80°F)		30°C
(87°F)		31°C
(88°F)		31°C
(88°F)		32°C
(90°F)		32°C
(90°F)		33°C
(91°F)		32°C
(90°F)		31°C
(89°F)		29°C
(85°F)		25°C
(78°F)
Daily mean18°C
(64°F)		20°C
(69°F)		25°C
(76°F)		26°C
(80°F)		27°C
(82°F)		29°C
(84°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 low13°C
(56°F)		15°C
(60°F)		20°C
(68°F)		23°C
(73°F)		24°C
(76°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
(59°F)
Mean minimum9°C
(49°F)		12°C
(54°F)		16°C
(60°F)		19°C
(67°F)		22°C
(72°F)		25°C
(77°F)		25°C
(78°F)		26°C
(80°F)		25°C
(78°F)		21°C
(70°F)		16°C
(60°F)		11°C
(53°F)
Minimum6°C
(43°F)		9°C
(49°F)		13°C
(56°F)		18°C
(64°F)		21°C
(70°F)		24°C
(76°F)		24°C
(76°F)		26°C
(79°F)		25°C
(77°F)		19°C
(67°F)		14°C
(58°F)		9°C
(49°F)

Compare climate in Chilmari with other places

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

Monthly average precipitation in Chilmari, Bangladesh

Chilmari usually has the most precipitation in May, June and July, with an average of 27 rainy days and 405 mm (15.9 inches) of precipitation per month. The driest months in Chilmari are January, November and December. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chilmari. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)6 (0.2)19 (0.7)54 (2.1)220 (8.7)471 (18.5)371 (14.6)372 (14.6)243 (9.6)247 (9.7)171 (6.7)11 (0.4)4 (0.2)
Average precipitation days (≥ 1 mm)1271928272626251310

Monthly sunshine hours in Chilmari, Bangladesh

The sunniest months in Chilmari are March, April and May, when the sun shines an average of 10 hours 13 minutes a day. Least sunny months in Chilmari: January, July and September receive an average of 8 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chilmari. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours238280330309301281239274268294293289
Mean daily daylight hours10h 43m11h 17m12h 0m12h 45m13h 23m13h 41m13h 32m12h 59m12h 16m11h 31m10h 53m10h 33m

Solar UV radiation in Chilmari, Bangladesh

Chilmari 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 Chilmari UV Index data.

Average daily maximum UV levels by month for Chilmari. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)578911121312121076