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Monthly climate in Santa Barbara, Guatemala

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Santa Barbara features a subtropical climate (Cwb). Temperatures typically range between 15 °C (60 °F) and 18 °C (65 °F) through the year, but rarely can drop to 4 °C (40 °F) or can rise to as high as 30 °C (85 °F). The average annual precipitation amounts to about 1619 mm (63.8 inches) and receives 216 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Barbara enjoys an average of 3504 hours of sunshine throughout the year, and daylight varies from 11 hours 13 minutes to 13 hours 0 minutes per day.

Monthly average temperatures in Santa Barbara, Guatemala

The warmest months in Santa Barbara are April, May and June, with daily mean temperatures ranging from 18 to 18 °C (64 - 65 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 15 to 16 °C (60 - 62 °F) throughout the day. On average each year, Santa Barbara experiences 79 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 Santa Barbara. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum26°C
(79°F)		28°C
(84°F)		29°C
(85°F)		30°C
(85°F)		28°C
(83°F)		27°C
(81°F)		27°C
(81°F)		27°C
(82°F)		26°C
(80°F)		26°C
(79°F)		25°C
(77°F)		25°C
(78°F)
Mean maximum25°C
(78°F)		27°C
(81°F)		28°C
(83°F)		29°C
(84°F)		28°C
(83°F)		25°C
(76°F)		26°C
(79°F)		26°C
(79°F)		25°C
(78°F)		25°C
(77°F)		24°C
(76°F)		25°C
(77°F)
Average high22°C
(73°F)		24°C
(76°F)		26°C
(78°F)		26°C
(79°F)		25°C
(77°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(73°F)		22°C
(72°F)		22°C
(73°F)
Daily mean15°C
(60°F)		17°C
(62°F)		18°C
(64°F)		18°C
(65°F)		18°C
(65°F)		18°C
(64°F)		17°C
(64°F)		17°C
(64°F)		17°C
(63°F)		17°C
(63°F)		16°C
(62°F)		16°C
(60°F)
Average low9°C
(49°F)		10°C
(50°F)		10°C
(51°F)		12°C
(54°F)		13°C
(56°F)		13°C
(56°F)		12°C
(54°F)		13°C
(55°F)		13°C
(56°F)		13°C
(56°F)		12°C
(53°F)		10°C
(50°F)
Mean minimum6°C
(43°F)		6°C
(44°F)		6°C
(44°F)		8°C
(47°F)		11°C
(52°F)		12°C
(53°F)		10°C
(50°F)		10°C
(50°F)		10°C
(51°F)		11°C
(51°F)		8°C
(47°F)		6°C
(43°F)
Minimum5°C
(41°F)		4°C
(40°F)		5°C
(42°F)		7°C
(44°F)		9°C
(49°F)		11°C
(52°F)		9°C
(48°F)		9°C
(49°F)		9°C
(48°F)		9°C
(49°F)		7°C
(46°F)		5°C
(41°F)

Compare climate in Santa Barbara with other places

Compare temperature, precipitation, sunshine, UV index in Santa Barbara, Guatemala with other places around the world.

Monthly average precipitation in Santa Barbara, Guatemala

Santa Barbara usually has the most precipitation in June, September and October, with an average of 28 rainy days and 281 mm (11.0 inches) of precipitation per month. The driest months in Santa Barbara are January, February and December. On average, 17 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santa Barbara. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)18 (0.7)11 (0.4)26 (1.0)68 (2.7)229 (9.0)333 (13.1)123 (4.8)214 (8.4)259 (10.2)249 (9.8)67 (2.6)22 (0.9)
Average precipitation days (≥ 1 mm)43818282824282828145

Monthly sunshine hours in Santa Barbara, Guatemala

The sunniest months in Santa Barbara are March, July and December, when the sun shines an average of 10 hours 10 minutes a day. Least sunny months in Santa Barbara: January, June and October receive an average of 8 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santa Barbara. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours250284322310297260311306281272294312
Mean daily daylight hours11h 19m11h 38m12h 3m12h 28m12h 50m13h 0m12h 54m12h 35m12h 11m11h 45m11h 24m11h 13m

Solar UV radiation in Santa Barbara, Guatemala

Santa Barbara experiences the highest level of ultraviolet (UV) radiation in March, April and July, when the maximum UV index can reach values of 16 - 16, 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 12. For more detailed information, check out our hourly Santa Barbara UV Index data.

Average daily maximum UV levels by month for Santa Barbara. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)121416161515161514141110