nomadseason

Monthly climate in Casillas, Santa Rosa, Guatemala

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Casillas features a tropical savanna climate (Aw).Temperatures typically range between 18 °C (64 °F) and 21 °C (70 °F) through the year, but rarely can drop to 8 °C (46 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 1820 mm (71.7 inches) and receives 187 rainy days on the 1 mm (0.04 inches) threshold annually.Casillas enjoys an average of 3560 hours of sunshine throughout the year, and daylight varies from 11 hours 16 minutes to 12 hours 57 minutes per day.

Monthly average temperatures in Casillas, Santa Rosa, Guatemala §

The warmest months in Casillas are April, May and June, with daily mean temperatures ranging from 20 to 21 °C (68 - 70 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 18 to 19 °C (64 - 66 °F) throughout the day. On average each year, Casillas experiences 237 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 Casillas, Santa Rosa, Guatemala.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 30°C
(86°F)		 30°C
(87°F)		 32°C
(91°F)		 33°C
(91°F)		 32°C
(90°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 28°C
(83°F)		 28°C
(82°F)		 29°C
(84°F)		 29°C
(84°F)
Mean maximum 28°C
(83°F)		 30°C
(86°F)		 31°C
(88°F)		 32°C
(89°F)		 30°C
(86°F)		 27°C
(81°F)		 28°C
(83°F)		 28°C
(82°F)		 28°C
(83°F)		 27°C
(81°F)		 27°C
(82°F)		 28°C
(82°F)
Average high 25°C
(77°F)		 27°C
(80°F)		 28°C
(83°F)		 28°C
(83°F)		 27°C
(80°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)
Daily mean 18°C
(64°F)		 19°C
(66°F)		 20°C
(68°F)		 21°C
(70°F)		 21°C
(69°F)		 20°C
(68°F)		 20°C
(68°F)		 20°C
(68°F)		 20°C
(68°F)		 19°C
(67°F)		 19°C
(66°F)		 18°C
(65°F)
Average low 12°C
(55°F)		 13°C
(55°F)		 14°C
(57°F)		 15°C
(59°F)		 16°C
(61°F)		 16°C
(61°F)		 15°C
(60°F)		 15°C
(60°F)		 16°C
(60°F)		 16°C
(60°F)		 14°C
(58°F)		 13°C
(55°F)
Mean minimum 9°C
(49°F)		 10°C
(50°F)		 10°C
(51°F)		 12°C
(54°F)		 15°C
(58°F)		 15°C
(59°F)		 14°C
(57°F)		 14°C
(57°F)		 14°C
(58°F)		 14°C
(57°F)		 11°C
(53°F)		 9°C
(48°F)
Minimum 8°C
(46°F)		 8°C
(47°F)		 9°C
(48°F)		 10°C
(50°F)		 14°C
(57°F)		 14°C
(57°F)		 13°C
(55°F)		 13°C
(55°F)		 14°C
(57°F)		 13°C
(56°F)		 10°C
(51°F)		 8°C
(46°F)

Compare climate in Casillas with other places

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

Monthly average precipitation in Casillas, Santa Rosa, Guatemala §

Casillas usually has the most precipitation in June, September and October, with an average of 28 rainy days and 326 mm (12.8 inches) of precipitation per month.The driest months in Casillas are January, February and March. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Casillas, Santa Rosa, Guatemala.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 8 (0.3) 9 (0.4) 7 (0.3) 62 (2.5) 257 (10.1) 378 (14.9) 170 (6.7) 258 (10.2) 314 (12.4) 287 (11.3) 52 (2.0) 17 (0.7)
Average precipitation days (≥ 1 mm) 2 1 2 11 26 28 22 25 28 28 11 3

Monthly sunshine hours in Casillas, Santa Rosa, Guatemala §

The sunniest months in Casillas are March, July and December, when the sun shines an average of 10 hours 18 minutes a day.Least sunny months in Casillas: January, June and October receive an average of 8 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Casillas, Santa Rosa, Guatemala.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 256 286 323 312 302 272 315 306 287 275 301 319
Mean daily daylight hours 11h 22m 11h 39m 12h 3m 12h 27m 12h 47m 12h 57m 12h 51m 12h 34m 12h 10m 11h 47m 11h 26m 11h 16m

Solar UV radiation in Casillas, Santa Rosa, Guatemala §

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

Average daily maximum UV levels by month for Casillas, Santa Rosa, Guatemala.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 11 13 14 15 14 14 14 14 14 13 10 10