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Monthly climate in San Dionisio, Nicaragua

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Dionisio features a tropical savanna climate (Aw). Temperatures typically range between 23 °C (73 °F) and 26 °C (78 °F) through the year, but rarely can drop to 15 °C (59 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 1175 mm (46.3 inches) and receives 159 rainy days on the 1 mm (0.04 inches) threshold annually. San Dionisio enjoys an average of 3494 hours of sunshine throughout the year, and daylight varies from 11 hours 22 minutes to 12 hours 51 minutes per day.

Monthly average temperatures in San Dionisio, Nicaragua

The warmest months in San Dionisio are April, May and June, with daily mean temperatures ranging from 24 to 26 °C (76 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 23 to 23 °C (73 - 74 °F) throughout the day. On average each year, San Dionisio experiences 324 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 San Dionisio. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(89°F)		33°C
(92°F)		33°C
(91°F)		35°C
(95°F)		35°C
(95°F)		32°C
(90°F)		31°C
(88°F)		31°C
(88°F)		33°C
(92°F)		33°C
(92°F)		30°C
(86°F)		30°C
(87°F)
Mean maximum30°C
(87°F)		31°C
(89°F)		32°C
(89°F)		34°C
(93°F)		34°C
(93°F)		32°C
(89°F)		30°C
(86°F)		31°C
(88°F)		32°C
(89°F)		31°C
(88°F)		30°C
(86°F)		29°C
(85°F)
Average high27°C
(82°F)		28°C
(83°F)		29°C
(85°F)		31°C
(88°F)		30°C
(87°F)		29°C
(84°F)		28°C
(83°F)		29°C
(84°F)		29°C
(85°F)		29°C
(84°F)		28°C
(83°F)		27°C
(81°F)
Daily mean23°C
(73°F)		23°C
(74°F)		24°C
(76°F)		26°C
(78°F)		25°C
(78°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)
Average low19°C
(67°F)		19°C
(67°F)		20°C
(68°F)		21°C
(69°F)		22°C
(71°F)		21°C
(71°F)		21°C
(71°F)		21°C
(70°F)		21°C
(69°F)		21°C
(69°F)		20°C
(68°F)		20°C
(68°F)
Mean minimum16°C
(61°F)		16°C
(61°F)		17°C
(63°F)		18°C
(65°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		19°C
(66°F)		19°C
(66°F)		19°C
(67°F)		17°C
(63°F)		17°C
(62°F)
Minimum15°C
(59°F)		15°C
(59°F)		15°C
(59°F)		17°C
(63°F)		19°C
(67°F)		19°C
(67°F)		19°C
(67°F)		18°C
(65°F)		18°C
(65°F)		18°C
(65°F)		16°C
(60°F)		16°C
(62°F)

Compare climate in San Dionisio with other places

Compare temperature, precipitation, sunshine, UV index in San Dionisio, Nicaragua with other places around the world.

Monthly average precipitation in San Dionisio, Nicaragua

San Dionisio usually has the most precipitation in May, September and October, with an average of 21 rainy days and 213 mm (8.4 inches) of precipitation per month. The driest months in San Dionisio are January, February and March. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Dionisio. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)15 (0.6)17 (0.7)15 (0.6)59 (2.3)266 (10.5)156 (6.1)77 (3.0)91 (3.6)156 (6.2)215 (8.5)88 (3.5)18 (0.7)
Average precipitation days (≥ 1 mm)4435192419202223106

Monthly sunshine hours in San Dionisio, Nicaragua

The sunniest months in San Dionisio are March, April and December, when the sun shines an average of 10 hours 18 minutes a day. Least sunny months in San Dionisio: January, June and October receive an average of 8 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Dionisio. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours246287321318285273296294291275295307
Mean daily daylight hours11h 27m11h 42m12h 3m12h 24m12h 42m12h 51m12h 46m12h 30m12h 10m11h 49m11h 31m11h 22m

Solar UV radiation in San Dionisio, Nicaragua

San Dionisio experiences the highest level of ultraviolet (UV) radiation in April, May and August, when the maximum UV index can reach values of 14 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly San Dionisio UV Index data.

Average daily maximum UV levels by month for San Dionisio. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)111314141413141413131110