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Monthly climate in San Fernando, Nicaragua

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Fernando features a tropical savanna climate (Aw). Temperatures typically range between 21 °C (71 °F) and 25 °C (78 °F) through the year, but rarely can drop to 11 °C (53 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1220 mm (48.0 inches) and receives 191 rainy days on the 1 mm (0.04 inches) threshold annually. San Fernando enjoys an average of 3606 hours of sunshine throughout the year, and daylight varies from 11 hours 19 minutes to 12 hours 54 minutes per day.

Monthly average temperatures in San Fernando, Nicaragua

The warmest months in San Fernando are April, May and September, with daily mean temperatures ranging from 24 to 25 °C (76 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 21 to 22 °C (71 - 73 °F) throughout the day. On average each year, San Fernando experiences 311 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 Fernando. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(90°F)		34°C
(93°F)		33°C
(92°F)		36°C
(97°F)		36°C
(97°F)		33°C
(92°F)		32°C
(89°F)		33°C
(91°F)		35°C
(95°F)		33°C
(92°F)		31°C
(87°F)		30°C
(86°F)
Mean maximum30°C
(86°F)		31°C
(89°F)		32°C
(90°F)		34°C
(94°F)		35°C
(95°F)		32°C
(90°F)		31°C
(87°F)		31°C
(89°F)		32°C
(91°F)		31°C
(88°F)		29°C
(85°F)		28°C
(84°F)
Average high26°C
(80°F)		28°C
(83°F)		29°C
(84°F)		32°C
(89°F)		31°C
(88°F)		29°C
(84°F)		28°C
(83°F)		29°C
(84°F)		30°C
(86°F)		29°C
(84°F)		27°C
(81°F)		26°C
(79°F)
Daily mean21°C
(71°F)		22°C
(73°F)		23°C
(74°F)		25°C
(78°F)		25°C
(78°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		23°C
(74°F)		22°C
(73°F)		21°C
(71°F)
Average low18°C
(64°F)		18°C
(64°F)		18°C
(65°F)		20°C
(68°F)		21°C
(70°F)		21°C
(69°F)		20°C
(69°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		19°C
(66°F)		18°C
(64°F)
Mean minimum14°C
(57°F)		15°C
(59°F)		15°C
(59°F)		17°C
(64°F)		19°C
(66°F)		19°C
(66°F)		19°C
(66°F)		18°C
(65°F)		18°C
(65°F)		18°C
(65°F)		16°C
(61°F)		14°C
(57°F)
Minimum12°C
(54°F)		13°C
(56°F)		11°C
(53°F)		17°C
(63°F)		18°C
(65°F)		18°C
(64°F)		18°C
(65°F)		17°C
(63°F)		17°C
(64°F)		17°C
(63°F)		14°C
(57°F)		13°C
(56°F)

Compare climate in San Fernando with other places

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

Monthly average precipitation in San Fernando, Nicaragua

San Fernando usually has the most precipitation in May, June and October, with an average of 22 rainy days and 205 mm (8.1 inches) of precipitation per month. The driest months in San Fernando are January, February and March. On average, 23 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Fernando. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)24 (0.9)23 (0.9)23 (0.9)35 (1.4)212 (8.3)164 (6.5)99 (3.9)113 (4.4)158 (6.2)239 (9.4)94 (3.7)35 (1.4)
Average precipitation days (≥ 1 mm)77781924222423241511

Monthly sunshine hours in San Fernando, Nicaragua

The sunniest months in San Fernando are March, April and July, when the sun shines an average of 10 hours 27 minutes a day. Least sunny months in San Fernando: January, June and October receive an average of 8 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Fernando. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours253290323319300289319316302278296316
Mean daily daylight hours11h 24m11h 41m12h 3m12h 26m12h 45m12h 54m12h 49m12h 32m12h 10m11h 47m11h 28m11h 19m

Solar UV radiation in San Fernando, Nicaragua

San Fernando experiences the highest level of ultraviolet (UV) radiation in March, April and August, when the maximum UV index can reach values of 14 - 15, 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 Fernando UV Index data.

Average daily maximum UV levels by month for San Fernando. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)111315151414141413131110