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Monthly climate in Santo Tomas de Arriba, Oaxaca, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Santo Tomas de Arriba features a hot semi-arid climate (BSh).Temperatures typically range between 18 °C (64 °F) and 23 °C (74 °F) through the year, but rarely can drop to 3 °C (38 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 965 mm (38.0 inches) and receives 121 rainy days on the 1 mm (0.04 inches) threshold annually.Santo Tomas de Arriba enjoys an average of 3528 hours of sunshine throughout the year, and daylight varies from 11 hours 8 minutes to 13 hours 5 minutes per day.

Monthly average temperatures in Santo Tomas de Arriba, Oaxaca, Mexico §

The warmest months in Santo Tomas de Arriba are April, May and June, with daily mean temperatures ranging from 21 to 23 °C (70 - 74 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 18 to 18 °C (64 - 66 °F) throughout the day. On average each year, Santo Tomas de Arriba experiences 275 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 Santo Tomas de Arriba, Oaxaca, 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 33°C
(91°F)		 36°C
(96°F)		 35°C
(96°F)		 37°C
(99°F)		 36°C
(98°F)		 34°C
(94°F)		 32°C
(90°F)		 31°C
(88°F)		 31°C
(88°F)		 32°C
(89°F)		 32°C
(90°F)		 31°C
(89°F)
Mean maximum 31°C
(88°F)		 33°C
(92°F)		 34°C
(94°F)		 35°C
(96°F)		 35°C
(95°F)		 30°C
(87°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(87°F)		 30°C
(87°F)		 30°C
(86°F)
Average high 26°C
(79°F)		 28°C
(83°F)		 30°C
(86°F)		 31°C
(88°F)		 31°C
(88°F)		 27°C
(81°F)		 28°C
(82°F)		 27°C
(81°F)		 27°C
(81°F)		 26°C
(80°F)		 26°C
(79°F)		 26°C
(79°F)
Daily mean 18°C
(64°F)		 19°C
(67°F)		 21°C
(69°F)		 22°C
(73°F)		 23°C
(74°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(69°F)		 21°C
(69°F)		 20°C
(68°F)		 18°C
(66°F)		 18°C
(64°F)
Average low 11°C
(52°F)		 11°C
(53°F)		 13°C
(55°F)		 15°C
(58°F)		 16°C
(61°F)		 16°C
(61°F)		 15°C
(60°F)		 15°C
(60°F)		 16°C
(61°F)		 15°C
(59°F)		 12°C
(54°F)		 10°C
(51°F)
Mean minimum 6°C
(43°F)		 6°C
(44°F)		 8°C
(47°F)		 10°C
(51°F)		 13°C
(55°F)		 14°C
(57°F)		 12°C
(55°F)		 13°C
(56°F)		 13°C
(56°F)		 11°C
(52°F)		 8°C
(47°F)		 5°C
(42°F)
Minimum 5°C
(41°F)		 3°C
(39°F)		 7°C
(44°F)		 8°C
(47°F)		 10°C
(50°F)		 12°C
(54°F)		 11°C
(53°F)		 12°C
(55°F)		 12°C
(54°F)		 8°C
(47°F)		 7°C
(44°F)		 3°C
(38°F)

Compare climate in Santo Tomas de Arriba with other places

Compare temperature, precipitation, sunshine, UV index in Santo Tomas de Arriba, Oaxaca, Mexico with other places around the world.

Monthly average precipitation in Santo Tomas de Arriba, Oaxaca, Mexico §

Santo Tomas de Arriba usually has the most precipitation in June, August and September, with an average of 22 rainy days and 203 mm (8.0 inches) of precipitation per month.The driest months in Santo Tomas de Arriba are January, February and March. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santo Tomas de Arriba, Oaxaca, 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) 3 (0.1) 4 (0.2) 19 (0.8) 61 (2.4) 225 (8.9) 106 (4.2) 176 (6.9) 207 (8.2) 140 (5.5) 15 (0.6) 4 (0.2)
Average precipitation days (≥ 1 mm) 0 0 1 4 12 20 20 24 23 15 2 0

Monthly sunshine hours in Santo Tomas de Arriba, Oaxaca, Mexico §

The sunniest months in Santo Tomas de Arriba are March, May and July, when the sun shines an average of 10 hours 16 minutes a day.Least sunny months in Santo Tomas de Arriba: January, June and September receive an average of 8 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santo Tomas de Arriba, Oaxaca, 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 243 279 319 317 317 267 318 299 278 288 298 301
Mean daily daylight hours 11h 14m 11h 35m 12h 2m 12h 30m 12h 54m 13h 5m 12h 59m 12h 38m 12h 11m 11h 43m 11h 20m 11h 8m

Solar UV radiation in Santo Tomas de Arriba, Oaxaca, Mexico §

Santo Tomas de Arriba 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 / 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 Santo Tomas de Arriba UV Index data.

Average daily maximum UV levels by month for Santo Tomas de Arriba, Oaxaca, 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) 10 13 14 15 15 14 15 14 14 13 11 9