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Monthly climate in San Ignacio, Belize

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Ignacio features a tropical monsoon climate (Am). Temperatures typically range between 23 °C (74 °F) and 29 °C (84 °F) through the year, but rarely can drop to 11 °C (51 °F) or can rise to as high as 41 °C (107 °F). The average annual precipitation amounts to about 1049 mm (41.3 inches) and receives 200 rainy days on the 1 mm (0.04 inches) threshold annually. San Ignacio enjoys an average of 3369 hours of sunshine throughout the year, and daylight varies from 11 hours 6 minutes to 13 hours 7 minutes per day.

Monthly average temperatures in San Ignacio, Belize

The warmest months in San Ignacio are April, May and August, with daily mean temperatures ranging from 28 to 29 °C (82 - 84 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 23 to 25 °C (74 - 76 °F) throughout the day. On average each year, San Ignacio experiences 320 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 Ignacio. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum37°C
(100°F)		37°C
(99°F)		38°C
(101°F)		41°C
(107°F)		39°C
(103°F)		37°C
(99°F)		36°C
(97°F)		37°C
(99°F)		38°C
(100°F)		37°C
(98°F)		33°C
(92°F)		34°C
(93°F)
Mean maximum33°C
(92°F)		35°C
(95°F)		36°C
(97°F)		39°C
(103°F)		38°C
(101°F)		35°C
(95°F)		35°C
(96°F)		36°C
(97°F)		36°C
(97°F)		35°C
(96°F)		32°C
(90°F)		32°C
(90°F)
Average high28°C
(83°F)		30°C
(87°F)		32°C
(90°F)		35°C
(95°F)		35°C
(95°F)		32°C
(91°F)		33°C
(91°F)		34°C
(93°F)		33°C
(93°F)		32°C
(89°F)		29°C
(85°F)		29°C
(84°F)
Daily mean23°C
(74°F)		25°C
(77°F)		26°C
(79°F)		28°C
(82°F)		29°C
(84°F)		28°C
(82°F)		28°C
(82°F)		28°C
(83°F)		28°C
(82°F)		27°C
(80°F)		25°C
(76°F)		24°C
(75°F)
Average low19°C
(67°F)		20°C
(69°F)		21°C
(70°F)		23°C
(73°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		21°C
(70°F)		19°C
(67°F)
Mean minimum15°C
(58°F)		15°C
(59°F)		17°C
(62°F)		18°C
(66°F)		22°C
(71°F)		23°C
(73°F)		22°C
(71°F)		22°C
(72°F)		22°C
(72°F)		21°C
(70°F)		17°C
(62°F)		13°C
(56°F)
Minimum13°C
(57°F)		11°C
(51°F)		16°C
(61°F)		16°C
(61°F)		20°C
(68°F)		22°C
(71°F)		21°C
(69°F)		22°C
(71°F)		21°C
(71°F)		18°C
(64°F)		15°C
(60°F)		12°C
(53°F)

Compare climate in San Ignacio with other places

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

Monthly average precipitation in San Ignacio, Belize

San Ignacio usually has the most precipitation in June, September and October, with an average of 23 rainy days and 156 mm (6.2 inches) of precipitation per month. The driest months in San Ignacio are February, March and April. On average, 34 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Ignacio. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)43 (1.7)37 (1.4)27 (1.0)38 (1.5)74 (2.9)173 (6.8)94 (3.7)103 (4.1)128 (5.1)167 (6.6)112 (4.4)53 (2.1)
Average precipitation days (≥ 1 mm)1112971624212223231814

Monthly sunshine hours in San Ignacio, Belize

The sunniest months in San Ignacio are March, April and May, when the sun shines an average of 10 hours 11 minutes a day. Least sunny months in San Ignacio: January, February and November receive an average of 8 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Ignacio. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours213261309310317273304307280261260269
Mean daily daylight hours11h 13m11h 34m12h 2m12h 31m12h 55m13h 7m13h 1m12h 39m12h 12m11h 43m11h 18m11h 6m

Solar UV radiation in San Ignacio, Belize

San Ignacio experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 14, 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 San Ignacio UV Index data.

Average daily maximum UV levels by month for San Ignacio. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)911131413131313131298