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Monthly climate in Binjai, Indonesia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Binjai features a tropical rainforest climate (Af). Temperatures typically range between 25 °C (78 °F) and 27 °C (80 °F) through the year, but rarely can drop to 19 °C (67 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 3025 mm (119.1 inches) and receives 310 rainy days on the 1 mm (0.04 inches) threshold annually. Binjai enjoys an average of 3498 hours of sunshine throughout the year, and daylight varies from 11 hours 54 minutes to 12 hours 18 minutes per day.

Monthly average temperatures in Binjai, Indonesia

The warmest months in Binjai are April, May and June, with daily mean temperatures ranging from 27 to 27 °C (80 - 80 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 25 to 26 °C (78 - 78 °F) throughout the day. On average each year, Binjai experiences 328 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 Binjai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(91°F)		34°C
(93°F)		34°C
(94°F)		34°C
(93°F)		34°C
(93°F)		36°C
(97°F)		35°C
(96°F)		36°C
(98°F)		36°C
(97°F)		35°C
(96°F)		32°C
(91°F)		33°C
(91°F)
Mean maximum32°C
(90°F)		32°C
(91°F)		33°C
(92°F)		33°C
(92°F)		33°C
(92°F)		34°C
(93°F)		34°C
(94°F)		35°C
(95°F)		34°C
(93°F)		33°C
(92°F)		32°C
(90°F)		32°C
(90°F)
Average high30°C
(86°F)		31°C
(87°F)		31°C
(88°F)		31°C
(89°F)		31°C
(89°F)		32°C
(89°F)		32°C
(90°F)		32°C
(90°F)		31°C
(88°F)		31°C
(87°F)		30°C
(86°F)		30°C
(85°F)
Daily mean26°C
(78°F)		26°C
(79°F)		26°C
(80°F)		27°C
(80°F)		27°C
(80°F)		27°C
(80°F)		26°C
(80°F)		26°C
(80°F)		26°C
(79°F)		26°C
(79°F)		26°C
(78°F)		25°C
(78°F)
Average low22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		23°C
(74°F)		22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(73°F)
Mean minimum21°C
(69°F)		21°C
(69°F)		21°C
(69°F)		21°C
(71°F)		21°C
(71°F)		21°C
(70°F)		20°C
(69°F)		21°C
(69°F)		21°C
(69°F)		20°C
(69°F)		21°C
(70°F)		21°C
(70°F)
Minimum20°C
(69°F)		20°C
(68°F)		20°C
(69°F)		21°C
(70°F)		21°C
(70°F)		20°C
(69°F)		19°C
(67°F)		20°C
(69°F)		20°C
(69°F)		20°C
(68°F)		21°C
(69°F)		21°C
(70°F)

Compare climate in Binjai with other places

Compare temperature, precipitation, sunshine, UV index in Binjai, Indonesia with other places around the world.

Monthly average precipitation in Binjai, Indonesia

Binjai usually has the most precipitation in May, November and December, with an average of 28 rainy days and 348 mm (13.7 inches) of precipitation per month. The driest months in Binjai are February, March and July. On average, 172 mm (6.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Binjai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)197 (7.7)146 (5.8)195 (7.7)239 (9.4)325 (12.8)196 (7.7)174 (6.9)203 (8.0)313 (12.3)319 (12.6)364 (14.3)355 (14.0)
Average precipitation days (≥ 1 mm)212124282926232528282928

Monthly sunshine hours in Binjai, Indonesia

The sunniest months in Binjai are March, July and August, when the sun shines an average of 10 hours 13 minutes a day. Least sunny months in Binjai: January, November and December receive an average of 8 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Binjai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours242295317291293305319314292289250285
Mean daily daylight hours11h 55m11h 59m12h 4m12h 10m12h 16m12h 18m12h 17m12h 12m12h 7m12h 1m11h 56m11h 54m

Solar UV radiation in Binjai, Indonesia

Binjai experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure. June, July and December are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly Binjai UV Index data.

Average daily maximum UV levels by month for Binjai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)131515161512131414141312