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Monthly climate in Bayaguana, Dominican Republic

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bayaguana features a tropical rainforest climate (Af). Temperatures typically range between 24 °C (75 °F) and 27 °C (81 °F) through the year, but rarely can drop to 15 °C (59 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 1049 mm (41.3 inches) and receives 213 rainy days on the 1 mm (0.04 inches) threshold annually. Bayaguana enjoys an average of 3842 hours of sunshine throughout the year, and daylight varies from 11 hours 0 minutes to 13 hours 13 minutes per day.

Monthly average temperatures in Bayaguana, Dominican Republic

The warmest months in Bayaguana are July, August and September, with daily mean temperatures ranging from 27 to 27 °C (81 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 24 to 24 °C (75 - 76 °F) throughout the day. On average each year, Bayaguana experiences 329 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 Bayaguana. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(87°F)		31°C
(88°F)		31°C
(89°F)		32°C
(89°F)		32°C
(90°F)		33°C
(92°F)		33°C
(92°F)		34°C
(93°F)		34°C
(94°F)		33°C
(92°F)		32°C
(90°F)		32°C
(89°F)
Mean maximum30°C
(86°F)		30°C
(87°F)		31°C
(88°F)		32°C
(89°F)		32°C
(89°F)		32°C
(90°F)		33°C
(92°F)		33°C
(92°F)		33°C
(92°F)		32°C
(91°F)		32°C
(89°F)		31°C
(88°F)
Average high29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		30°C
(86°F)		30°C
(86°F)		31°C
(87°F)		31°C
(88°F)		31°C
(89°F)		31°C
(88°F)		31°C
(87°F)		30°C
(86°F)		29°C
(85°F)
Daily mean24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		25°C
(78°F)		26°C
(79°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		26°C
(79°F)		25°C
(78°F)		25°C
(77°F)
Average low20°C
(68°F)		21°C
(69°F)		21°C
(70°F)		22°C
(72°F)		23°C
(74°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)		22°C
(72°F)		21°C
(70°F)
Mean minimum17°C
(64°F)		18°C
(65°F)		18°C
(65°F)		19°C
(67°F)		21°C
(71°F)		22°C
(73°F)		23°C
(73°F)		23°C
(74°F)		23°C
(73°F)		22°C
(71°F)		20°C
(68°F)		18°C
(65°F)
Minimum15°C
(59°F)		18°C
(64°F)		15°C
(60°F)		18°C
(64°F)		20°C
(69°F)		20°C
(68°F)		22°C
(71°F)		23°C
(73°F)		22°C
(72°F)		21°C
(70°F)		19°C
(67°F)		18°C
(64°F)

Compare climate in Bayaguana with other places

Compare temperature, precipitation, sunshine, UV index in Bayaguana, Dominican Republic with other places around the world.

Monthly average precipitation in Bayaguana, Dominican Republic

Bayaguana usually has the most precipitation in August, September and October, with an average of 22 rainy days and 128 mm (5.0 inches) of precipitation per month. The driest months in Bayaguana are January, February and December. On average, 35 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bayaguana. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)29 (1.1)36 (1.4)60 (2.4)74 (2.9)111 (4.4)93 (3.7)113 (4.4)138 (5.4)120 (4.7)127 (5.0)108 (4.2)40 (1.6)
Average precipitation days (≥ 1 mm)91315172219212223221713

Monthly sunshine hours in Bayaguana, Dominican Republic

The sunniest months in Bayaguana are May, June and July, when the sun shines an average of 11 hours 18 minutes a day. Least sunny months in Bayaguana: January, February and November receive an average of 9 hours 21 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bayaguana. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours254300342343344345351339313306287314
Mean daily daylight hours11h 7m11h 31m12h 2m12h 34m13h 0m13h 13m13h 6m12h 43m12h 12m11h 41m11h 13m11h 0m

Solar UV radiation in Bayaguana, Dominican Republic

Bayaguana experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Bayaguana UV Index data.

Average daily maximum UV levels by month for Bayaguana. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)911131313121313131198