Monthly climate in San Antonio de Romerillo, Guanajuato, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Antonio de Romerillo features a humid subtropical climate (Cwa).Temperatures typically range between 16 °C (61 °F) and 24 °C (75 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 761 mm (30.0 inches) and receives 91 rainy days on the 1 mm (0.04 inches) threshold annually.San Antonio de Romerillo enjoys an average of 3596 hours of sunshine throughout the year, and daylight varies from 10 hours 53 minutes to 13 hours 20 minutes per day.

Monthly average temperatures in San Antonio de Romerillo, Guanajuato, Mexico §

The warmest months in San Antonio de Romerillo are April, May and June, with daily mean temperatures ranging from 22 to 24 °C (73 - 75 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 16 to 18 °C (61 - 64 °F) throughout the day. On average each year, San Antonio de Romerillo experiences 270 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 Antonio de Romerillo, Guanajuato, 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 30°C
(87°F)
32°C
(90°F)
34°C
(93°F)
35°C
(96°F)
37°C
(99°F)
37°C
(98°F)
31°C
(88°F)
30°C
(87°F)
31°C
(89°F)
32°C
(89°F)
31°C
(89°F)
30°C
(86°F)
Mean maximum 28°C
(83°F)
31°C
(88°F)
33°C
(91°F)
34°C
(93°F)
35°C
(96°F)
34°C
(94°F)
30°C
(86°F)
30°C
(86°F)
29°C
(85°F)
30°C
(86°F)
30°C
(86°F)
28°C
(83°F)
Average high 25°C
(77°F)
27°C
(81°F)
30°C
(86°F)
31°C
(89°F)
32°C
(90°F)
29°C
(85°F)
27°C
(81°F)
27°C
(81°F)
26°C
(80°F)
27°C
(80°F)
26°C
(79°F)
25°C
(77°F)
Daily mean 16°C
(61°F)
18°C
(65°F)
21°C
(70°F)
23°C
(73°F)
24°C
(75°F)
22°C
(73°F)
21°C
(69°F)
21°C
(70°F)
20°C
(68°F)
20°C
(68°F)
18°C
(64°F)
16°C
(61°F)
Average low 8°C
(47°F)
10°C
(50°F)
12°C
(54°F)
14°C
(58°F)
16°C
(61°F)
16°C
(62°F)
15°C
(60°F)
16°C
(60°F)
15°C
(60°F)
14°C
(57°F)
11°C
(51°F)
8°C
(47°F)
Mean minimum 3°C
(38°F)
6°C
(43°F)
9°C
(48°F)
10°C
(51°F)
13°C
(55°F)
15°C
(59°F)
13°C
(56°F)
14°C
(57°F)
13°C
(55°F)
11°C
(51°F)
7°C
(44°F)
3°C
(38°F)
Minimum 1°C
(34°F)
5°C
(42°F)
5°C
(41°F)
8°C
(47°F)
11°C
(53°F)
12°C
(54°F)
13°C
(56°F)
13°C
(55°F)
10°C
(50°F)
8°C
(46°F)
3°C
(38°F)
1°C
(34°F)

Compare climate in San Antonio de Romerillo with other places

Compare temperature, precipitation, sunshine, UV index in San Antonio de Romerillo, Guanajuato, Mexico with other places around the world.

Monthly average precipitation in San Antonio de Romerillo, Guanajuato, Mexico §

San Antonio de Romerillo usually has the most precipitation in June, July and September, with an average of 17 rainy days and 155 mm (6.1 inches) of precipitation per month.The driest months in San Antonio de Romerillo are January, April and December. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Antonio de Romerillo, Guanajuato, 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) 3 (0.1) 6 (0.3) 9 (0.4) 5 (0.2) 49 (1.9) 156 (6.1) 155 (6.1) 152 (6.0) 156 (6.1) 49 (1.9) 18 (0.7) 4 (0.2)
Average precipitation days (≥ 1 mm) 1 1 2 1 6 14 20 18 17 9 2 0

Monthly sunshine hours in San Antonio de Romerillo, Guanajuato, Mexico §

The sunniest months in San Antonio de Romerillo are April, May and July, when the sun shines an average of 10 hours 42 minutes a day.Least sunny months in San Antonio de Romerillo: January, February and November receive an average of 8 hours 48 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Antonio de Romerillo, Guanajuato, 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 237 272 319 323 339 308 321 315 291 294 282 289
Mean daily daylight hours 11h 1m 11h 28m 12h 2m 12h 37m 13h 6m 13h 20m 13h 12m 12h 46m 12h 13m 11h 38m 11h 8m 10h 53m

Solar UV radiation in San Antonio de Romerillo, Guanajuato, Mexico §

San Antonio de Romerillo experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 14 - 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 Antonio de Romerillo UV Index data.

Average daily maximum UV levels by month for San Antonio de Romerillo, Guanajuato, 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) 9 11 14 14 14 14 13 13 13 12 9 8