Monthly climate in El Custodio, San Luis Potosí, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification El Custodio features a humid subtropical climate (Cwa).Temperatures typically range between 15 °C (59 °F) and 25 °C (77 °F) through the year, but rarely can drop to -1 °C (31 °F) or can rise to as high as 40 °C (103 °F).The average annual precipitation amounts to about 518 mm (20.4 inches) and receives 114 rainy days on the 1 mm (0.04 inches) threshold annually.El Custodio enjoys an average of 3459 hours of sunshine throughout the year, and daylight varies from 10 hours 44 minutes to 13 hours 29 minutes per day.

Monthly average temperatures in El Custodio, San Luis Potosí, Mexico §

The warmest months in El Custodio are May, June and August, with daily mean temperatures ranging from 24 to 25 °C (76 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 15 to 18 °C (59 - 64 °F) throughout the day. On average each year, El Custodio experiences 250 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 El Custodio, San Luis Potosí, Mexico.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 32°C
(90°F)
35°C
(95°F)
37°C
(100°F)
38°C
(100°F)
40°C
(103°F)
37°C
(98°F)
35°C
(96°F)
36°C
(97°F)
36°C
(96°F)
34°C
(93°F)
33°C
(92°F)
33°C
(91°F)
Mean maximum 30°C
(87°F)
33°C
(92°F)
36°C
(96°F)
37°C
(99°F)
38°C
(100°F)
36°C
(96°F)
34°C
(94°F)
34°C
(93°F)
34°C
(93°F)
32°C
(90°F)
31°C
(89°F)
31°C
(87°F)
Average high 22°C
(72°F)
26°C
(78°F)
28°C
(83°F)
31°C
(88°F)
32°C
(90°F)
31°C
(88°F)
30°C
(87°F)
31°C
(87°F)
29°C
(85°F)
27°C
(82°F)
25°C
(78°F)
24°C
(75°F)
Daily mean 15°C
(59°F)
18°C
(64°F)
20°C
(69°F)
23°C
(74°F)
25°C
(77°F)
24°C
(76°F)
24°C
(75°F)
24°C
(76°F)
23°C
(74°F)
21°C
(70°F)
18°C
(65°F)
16°C
(61°F)
Average low 10°C
(50°F)
12°C
(53°F)
14°C
(58°F)
17°C
(63°F)
19°C
(67°F)
20°C
(68°F)
19°C
(67°F)
19°C
(67°F)
19°C
(66°F)
17°C
(62°F)
13°C
(56°F)
10°C
(50°F)
Mean minimum 4°C
(40°F)
5°C
(41°F)
9°C
(48°F)
12°C
(54°F)
16°C
(61°F)
17°C
(64°F)
17°C
(64°F)
17°C
(63°F)
16°C
(62°F)
11°C
(53°F)
6°C
(44°F)
3°C
(37°F)
Minimum 3°C
(38°F)
3°C
(37°F)
3°C
(37°F)
10°C
(50°F)
12°C
(55°F)
16°C
(62°F)
17°C
(62°F)
16°C
(60°F)
15°C
(59°F)
8°C
(47°F)
1°C
(33°F)
-1°C
(31°F)

Compare climate in El Custodio with other places

Compare temperature, precipitation, sunshine, UV index in El Custodio, San Luis Potosí, Mexico with other places around the world.

Monthly average precipitation in El Custodio, San Luis Potosí, Mexico §

El Custodio usually has the most precipitation in June, July and September, with an average of 17 rainy days and 84 mm (3.3 inches) of precipitation per month.The driest months in El Custodio are January, February and December. On average, 14 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in El Custodio, San Luis Potosí, Mexico.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) 14 (0.6) 15 (0.6) 19 (0.8) 22 (0.9) 51 (2.0) 74 (2.9) 84 (3.3) 51 (2.0) 94 (3.7) 61 (2.4) 20 (0.8) 12 (0.5)
Average precipitation days (≥ 1 mm) 4 3 4 7 12 17 17 13 17 12 5 3

Monthly sunshine hours in El Custodio, San Luis Potosí, Mexico §

The sunniest months in El Custodio are May, July and August, when the sun shines an average of 10 hours 43 minutes a day.Least sunny months in El Custodio: January, February and November receive an average of 7 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in El Custodio, San Luis Potosí, Mexico.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 197 243 285 301 329 328 334 333 295 288 256 263
Mean daily daylight hours 10h 54m 11h 23m 12h 1m 12h 41m 13h 13m 13h 29m 13h 21m 12h 52m 12h 14m 11h 35m 11h 1m 10h 44m

Solar UV radiation in El Custodio, San Luis Potosí, Mexico §

El Custodio experiences the highest level of ultraviolet (UV) radiation in April, May and July, 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 High / 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 El Custodio UV Index data.

Average daily maximum UV levels by month for El Custodio, San Luis Potosí, Mexico.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) 8 10 13 13 14 13 14 13 13 12 9 7