Monthly climate in Santiago Miltepec, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Santiago Miltepec features a subtropical climate (Cwb). Temperatures typically range between 16 °C (61 °F) and 22 °C (71 °F) through the year, but rarely can drop to 2 °C (37 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 1131 mm (44.5 inches) and receives 110 rainy days on the 1 mm (0.04 inches) threshold annually. Santiago Miltepec enjoys an average of 3592 hours of sunshine throughout the year, and daylight varies from 11 hours 3 minutes to 13 hours 10 minutes per day.

Monthly average temperatures in Santiago Miltepec, Mexico

The warmest months in Santiago Miltepec are April, May and June, with daily mean temperatures ranging from 20 to 22 °C (68 - 71 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 16 to 17 °C (61 - 64 °F) throughout the day. On average each year, Santiago Miltepec experiences 211 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 Santiago Miltepec. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(85°F)
31°C
(87°F)
33°C
(92°F)
33°C
(92°F)
33°C
(91°F)
31°C
(89°F)
30°C
(87°F)
31°C
(87°F)
29°C
(84°F)
29°C
(85°F)
30°C
(86°F)
29°C
(85°F)
Mean maximum28°C
(83°F)
29°C
(85°F)
31°C
(88°F)
32°C
(90°F)
32°C
(90°F)
29°C
(84°F)
29°C
(84°F)
29°C
(84°F)
28°C
(82°F)
28°C
(83°F)
29°C
(84°F)
28°C
(82°F)
Average high24°C
(75°F)
26°C
(79°F)
28°C
(83°F)
29°C
(84°F)
28°C
(83°F)
26°C
(78°F)
26°C
(78°F)
26°C
(79°F)
25°C
(77°F)
25°C
(77°F)
25°C
(77°F)
24°C
(76°F)
Daily mean16°C
(61°F)
18°C
(65°F)
20°C
(68°F)
21°C
(70°F)
22°C
(71°F)
20°C
(68°F)
19°C
(67°F)
20°C
(68°F)
19°C
(67°F)
19°C
(66°F)
17°C
(64°F)
16°C
(62°F)
Average low10°C
(50°F)
11°C
(52°F)
12°C
(55°F)
15°C
(59°F)
16°C
(61°F)
15°C
(60°F)
14°C
(58°F)
15°C
(59°F)
15°C
(59°F)
14°C
(57°F)
12°C
(53°F)
10°C
(50°F)
Mean minimum6°C
(43°F)
7°C
(44°F)
9°C
(48°F)
11°C
(52°F)
13°C
(56°F)
13°C
(56°F)
12°C
(54°F)
13°C
(55°F)
12°C
(55°F)
11°C
(52°F)
8°C
(46°F)
6°C
(44°F)
Minimum4°C
(40°F)
6°C
(43°F)
7°C
(45°F)
9°C
(48°F)
12°C
(54°F)
12°C
(55°F)
11°C
(51°F)
12°C
(54°F)
11°C
(53°F)
8°C
(46°F)
7°C
(45°F)
2°C
(37°F)

Compare climate in Santiago Miltepec with other places

Compare temperature, precipitation, sunshine, UV index in Santiago Miltepec, Mexico with other places around the world.

Monthly average precipitation in Santiago Miltepec, Mexico

Santiago Miltepec usually has the most precipitation in June, August and September, with an average of 19 rainy days and 248 mm (9.8 inches) of precipitation per month. The driest months in Santiago Miltepec are January, February and December. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santiago Miltepec. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)4 (0.2)2 (0.1)8 (0.3)32 (1.3)89 (3.5)244 (9.6)148 (5.8)210 (8.3)289 (11.4)91 (3.6)12 (0.5)2 (0.1)
Average precipitation days (≥ 1 mm)102712211517211130

Monthly sunshine hours in Santiago Miltepec, Mexico

The sunniest months in Santiago Miltepec are March, May and July, when the sun shines an average of 10 hours 27 minutes a day. Least sunny months in Santiago Miltepec: January, February and September receive an average of 8 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santiago Miltepec. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours242279320317327293325311281300293299
Mean daily daylight hours11h 10m11h 33m12h 2m12h 32m12h 58m13h 10m13h 3m12h 41m12h 12m11h 42m11h 16m11h 3m

Solar UV radiation in Santiago Miltepec, Mexico

Santiago Miltepec experiences the highest level of ultraviolet (UV) radiation in April, May and July, when the maximum UV index can reach values of 15 - 15, 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 Santiago Miltepec UV Index data.

Average daily maximum UV levels by month for Santiago Miltepec. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10131415151515141412109