nomadseason

Monthly climate in Castillo, Dominican Republic

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Castillo features a tropical rainforest climate (Af). Temperatures typically range between 23 °C (74 °F) and 27 °C (81 °F) through the year, but rarely can drop to 14 °C (58 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 1298 mm (51.1 inches) and receives 238 rainy days on the 1 mm (0.04 inches) threshold annually. Castillo enjoys an average of 3878 hours of sunshine throughout the year, and daylight varies from 10 hours 58 minutes to 13 hours 15 minutes per day.

Monthly average temperatures in Castillo, Dominican Republic

The warmest months in Castillo are July, August and September, with daily mean temperatures ranging from 27 to 27 °C (80 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 23 to 24 °C (74 - 75 °F) throughout the day. On average each year, Castillo experiences 327 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 Castillo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(89°F)		32°C
(89°F)		32°C
(89°F)		34°C
(94°F)		34°C
(93°F)		34°C
(93°F)		34°C
(94°F)		34°C
(93°F)		34°C
(94°F)		34°C
(93°F)		32°C
(90°F)		31°C
(89°F)
Mean maximum30°C
(87°F)		30°C
(87°F)		31°C
(88°F)		32°C
(90°F)		33°C
(92°F)		33°C
(91°F)		33°C
(92°F)		33°C
(93°F)		34°C
(93°F)		33°C
(91°F)		32°C
(89°F)		31°C
(88°F)
Average high28°C
(83°F)		28°C
(83°F)		29°C
(84°F)		30°C
(86°F)		31°C
(88°F)		31°C
(89°F)		31°C
(89°F)		32°C
(89°F)		32°C
(89°F)		31°C
(88°F)		30°C
(86°F)		29°C
(84°F)
Daily mean23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		25°C
(77°F)		26°C
(79°F)		27°C
(80°F)		27°C
(80°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		25°C
(77°F)		24°C
(75°F)
Average low19°C
(67°F)		20°C
(68°F)		20°C
(68°F)		21°C
(71°F)		23°C
(73°F)		23°C
(74°F)		23°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(73°F)		22°C
(71°F)		20°C
(69°F)
Mean minimum16°C
(61°F)		18°C
(64°F)		18°C
(64°F)		19°C
(66°F)		21°C
(70°F)		22°C
(72°F)		22°C
(72°F)		22°C
(73°F)		22°C
(72°F)		21°C
(70°F)		19°C
(67°F)		18°C
(64°F)
Minimum14°C
(58°F)		17°C
(63°F)		16°C
(62°F)		18°C
(64°F)		19°C
(67°F)		21°C
(69°F)		21°C
(70°F)		22°C
(72°F)		22°C
(71°F)		20°C
(69°F)		18°C
(64°F)		17°C
(64°F)

Compare climate in Castillo with other places

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

Monthly average precipitation in Castillo, Dominican Republic

Castillo usually has the most precipitation in August, September and October, with an average of 23 rainy days and 148 mm (5.8 inches) of precipitation per month. The driest months in Castillo are January, February and December. On average, 52 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Castillo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)43 (1.7)51 (2.0)98 (3.9)85 (3.3)131 (5.2)113 (4.5)140 (5.5)148 (5.8)154 (6.1)142 (5.6)128 (5.1)64 (2.5)
Average precipitation days (≥ 1 mm)121817172121252424221918

Monthly sunshine hours in Castillo, Dominican Republic

The sunniest months in Castillo are May, June and July, when the sun shines an average of 11 hours 29 minutes a day. Least sunny months in Castillo: January, February and November receive an average of 9 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Castillo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours253302340342347350358345317313290314
Mean daily daylight hours11h 5m11h 30m12h 2m12h 35m13h 2m13h 15m13h 8m12h 44m12h 12m11h 40m11h 12m10h 58m

Solar UV radiation in Castillo, Dominican Republic

Castillo experiences the highest level of ultraviolet (UV) radiation in April, May and August, 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 Castillo UV Index data.

Average daily maximum UV levels by month for Castillo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)911131313121313121198