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Monthly climate in Belen, Paraguay

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Belen features a tropical savanna climate (Aw). Temperatures typically range between 19 °C (67 °F) and 28 °C (83 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 42 °C (107 °F). The average annual precipitation amounts to about 1376 mm (54.2 inches) and receives 114 rainy days on the 1 mm (0.04 inches) threshold annually. Belen enjoys an average of 3452 hours of sunshine throughout the year, and daylight varies from 10 hours 41 minutes to 13 hours 32 minutes per day.

Monthly average temperatures in Belen, Paraguay

The warmest months in Belen are January, February and December, with daily mean temperatures ranging from 28 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 19 to 21 °C (67 - 70 °F) throughout the day. On average each year, Belen experiences 272 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 Belen. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum41°C
(106°F)		39°C
(103°F)		40°C
(104°F)		36°C
(97°F)		35°C
(95°F)		33°C
(92°F)		34°C
(94°F)		39°C
(103°F)		42°C
(107°F)		41°C
(106°F)		40°C
(104°F)		39°C
(102°F)
Mean maximum38°C
(100°F)		37°C
(99°F)		37°C
(99°F)		35°C
(96°F)		33°C
(92°F)		30°C
(86°F)		34°C
(93°F)		37°C
(99°F)		39°C
(103°F)		40°C
(103°F)		38°C
(100°F)		37°C
(99°F)
Average high33°C
(92°F)		33°C
(92°F)		32°C
(90°F)		30°C
(86°F)		27°C
(80°F)		25°C
(77°F)		26°C
(78°F)		28°C
(82°F)		31°C
(88°F)		32°C
(89°F)		32°C
(91°F)		33°C
(92°F)
Daily mean28°C
(83°F)		28°C
(82°F)		27°C
(80°F)		24°C
(76°F)		21°C
(70°F)		20°C
(68°F)		19°C
(67°F)		21°C
(70°F)		24°C
(76°F)		26°C
(79°F)		27°C
(80°F)		28°C
(82°F)
Average low24°C
(75°F)		23°C
(73°F)		22°C
(72°F)		20°C
(68°F)		17°C
(62°F)		16°C
(60°F)		14°C
(57°F)		16°C
(60°F)		19°C
(66°F)		21°C
(70°F)		21°C
(71°F)		23°C
(73°F)
Mean minimum19°C
(67°F)		18°C
(65°F)		16°C
(62°F)		13°C
(55°F)		9°C
(49°F)		7°C
(45°F)		3°C
(38°F)		6°C
(43°F)		12°C
(53°F)		15°C
(59°F)		17°C
(62°F)		18°C
(64°F)
Minimum17°C
(62°F)		16°C
(61°F)		14°C
(58°F)		9°C
(49°F)		6°C
(43°F)		1°C
(35°F)		1°C
(34°F)		3°C
(37°F)		10°C
(50°F)		12°C
(54°F)		14°C
(58°F)		16°C
(62°F)

Compare climate in Belen with other places

Compare temperature, precipitation, sunshine, UV index in Belen, Paraguay with other places around the world.

Monthly average precipitation in Belen, Paraguay

Belen usually has the most precipitation in March, October and December, with an average of 12 rainy days and 169 mm (6.7 inches) of precipitation per month. The driest months in Belen are June, July and September. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Belen. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)143 (5.6)125 (4.9)165 (6.5)98 (3.9)135 (5.3)65 (2.6)24 (1.0)70 (2.8)56 (2.2)162 (6.4)151 (5.9)182 (7.2)
Average precipitation days (≥ 1 mm)1511127108366121113

Monthly sunshine hours in Belen, Paraguay

The sunniest months in Belen are March, November and December, when the sun shines an average of 10 hours 31 minutes a day. Least sunny months in Belen: May, June and August receive an average of 8 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Belen. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours277302304290254232278268280299319344
Mean daily daylight hours13h 22m12h 51m12h 11m11h 30m10h 57m10h 41m10h 50m11h 19m11h 57m12h 38m13h 14m13h 32m

Solar UV radiation in Belen, Paraguay

Belen experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 15 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Belen UV Index data.

Average daily maximum UV levels by month for Belen. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15151311867910141415