Last updated: May 6, 2024
Under the Köppen–Geiger climate classification San Luis features a tropical monsoon climate (Am).Temperatures typically range between 22 °C (72 °F) and 28 °C (82 °F) through the year, but rarely can drop to 11 °C (51 °F) or can rise to as high as 40 °C (104 °F).The average annual precipitation amounts to about 1537 mm (60.5 inches) and receives 219 rainy days on the 1 mm (0.04 inches) threshold annually.San Luis enjoys an average of 3400 hours of sunshine throughout the year, and daylight varies from 11 hours 10 minutes to 13 hours 3 minutes per day.
The warmest months in San Luis are April, May and June, with daily mean temperatures ranging from 27 to 28 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 22 to 23 °C (72 - 74 °F) throughout the day. On average each year, San Luis experiences 308 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 32°C (90°F) | 34°C (93°F) | 36°C (96°F) | 40°C (104°F) | 39°C (102°F) | 38°C (100°F) | 36°C (97°F) | 38°C (101°F) | 37°C (98°F) | 35°C (96°F) | 32°C (90°F) | 31°C (89°F) |
Mean maximum | 31°C (88°F) | 32°C (90°F) | 34°C (94°F) | 38°C (100°F) | 38°C (100°F) | 35°C (96°F) | 35°C (95°F) | 35°C (96°F) | 35°C (96°F) | 34°C (93°F) | 31°C (88°F) | 31°C (87°F) |
Average high | 27°C (80°F) | 29°C (84°F) | 30°C (87°F) | 33°C (92°F) | 34°C (93°F) | 32°C (90°F) | 32°C (90°F) | 33°C (91°F) | 32°C (90°F) | 30°C (86°F) | 28°C (82°F) | 27°C (81°F) |
Daily mean | 22°C (72°F) | 23°C (74°F) | 24°C (76°F) | 27°C (81°F) | 28°C (82°F) | 27°C (81°F) | 27°C (80°F) | 27°C (80°F) | 26°C (80°F) | 25°C (78°F) | 23°C (74°F) | 22°C (72°F) |
Average low | 18°C (65°F) | 19°C (67°F) | 20°C (68°F) | 22°C (71°F) | 23°C (74°F) | 23°C (74°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) | 22°C (72°F) | 20°C (68°F) | 19°C (66°F) |
Mean minimum | 14°C (57°F) | 14°C (58°F) | 16°C (62°F) | 18°C (65°F) | 21°C (70°F) | 21°C (71°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 20°C (68°F) | 17°C (62°F) | 14°C (57°F) |
Minimum | 12°C (54°F) | 11°C (51°F) | 15°C (59°F) | 16°C (60°F) | 20°C (68°F) | 21°C (69°F) | 20°C (69°F) | 21°C (69°F) | 21°C (70°F) | 18°C (65°F) | 14°C (58°F) | 13°C (55°F) |
Compare temperature, precipitation, sunshine, UV index in San Luis, Petén, Guatemala with other places around the world.
San Luis usually has the most precipitation in June, September and October, with an average of 25 rainy days and 223 mm (8.8 inches) of precipitation per month.The driest months in San Luis are February, March and April. On average, 51 mm (2.0 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 70 (2.8) | 45 (1.8) | 55 (2.2) | 54 (2.1) | 131 (5.2) | 204 (8.0) | 115 (4.5) | 138 (5.4) | 199 (7.8) | 267 (10.5) | 179 (7.1) | 82 (3.2) |
Average precipitation days (≥ 1 mm) | 12 | 10 | 10 | 9 | 19 | 25 | 24 | 24 | 26 | 25 | 20 | 15 |
The sunniest months in San Luis are April, May and August, when the sun shines an average of 10 hours 13 minutes a day.Least sunny months in San Luis: January, February and November receive an average of 8 hours 13 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 210 | 261 | 304 | 312 | 321 | 275 | 304 | 306 | 291 | 275 | 267 | 268 |
Mean daily daylight hours | 11h 16m | 11h 36m | 12h 2m | 12h 30m | 12h 52m | 13h 3m | 12h 57m | 12h 37m | 12h 11m | 11h 44m | 11h 21m | 11h 10m |
San Luis experiences the highest level of ultraviolet (UV) radiation in April, May 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 10. For more detailed information, check out our hourly San Luis UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 10 | 12 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 10 | 9 |