Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Santo Domingo del Rio features a humid subtropical climate (Cfa). Temperatures typically range between 19 °C (67 °F) and 26 °C (78 °F) through the year, but rarely can drop to 9 °C (48 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 2424 mm (95.4 inches) and receives 211 rainy days on the 1 mm (0.04 inches) threshold annually. Santo Domingo del Rio enjoys an average of 3396 hours of sunshine throughout the year, and daylight varies from 11 hours 3 minutes to 13 hours 10 minutes per day.
The warmest months in Santo Domingo del Rio are May, June and August, with daily mean temperatures ranging from 25 to 26 °C (77 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 19 to 21 °C (67 - 69 °F) throughout the day. On average each year, Santo Domingo del Rio experiences 231 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 | 31°C (88°F) |
34°C (94°F) |
35°C (95°F) |
37°C (99°F) |
36°C (97°F) |
33°C (92°F) |
31°C (88°F) |
32°C (90°F) |
33°C (91°F) |
33°C (92°F) |
31°C (88°F) |
31°C (88°F) |
| Mean maximum | 29°C (85°F) |
30°C (87°F) |
33°C (91°F) |
35°C (95°F) |
33°C (93°F) |
31°C (89°F) |
30°C (87°F) |
31°C (87°F) |
31°C (88°F) |
31°C (88°F) |
28°C (84°F) |
29°C (84°F) |
| Average high | 23°C (73°F) |
24°C (76°F) |
26°C (79°F) |
28°C (83°F) |
29°C (85°F) |
28°C (83°F) |
28°C (83°F) |
28°C (83°F) |
28°C (83°F) |
27°C (81°F) |
24°C (76°F) |
23°C (74°F) |
| Daily mean | 19°C (67°F) |
21°C (69°F) |
22°C (72°F) |
24°C (76°F) |
26°C (78°F) |
25°C (77°F) |
25°C (77°F) |
25°C (77°F) |
25°C (77°F) |
24°C (75°F) |
21°C (70°F) |
20°C (68°F) |
| Average low | 16°C (62°F) |
17°C (63°F) |
19°C (66°F) |
21°C (70°F) |
22°C (72°F) |
22°C (72°F) |
22°C (71°F) |
22°C (72°F) |
22°C (71°F) |
21°C (70°F) |
18°C (65°F) |
17°C (62°F) |
| Mean minimum | 13°C (55°F) |
12°C (54°F) |
15°C (59°F) |
17°C (63°F) |
19°C (67°F) |
20°C (69°F) |
20°C (68°F) |
20°C (69°F) |
20°C (69°F) |
18°C (65°F) |
15°C (58°F) |
13°C (55°F) |
| Minimum | 11°C (52°F) |
9°C (48°F) |
12°C (55°F) |
15°C (60°F) |
17°C (64°F) |
20°C (68°F) |
19°C (67°F) |
20°C (68°F) |
20°C (68°F) |
17°C (63°F) |
11°C (51°F) |
10°C (51°F) |
Compare temperature, precipitation, sunshine, UV index in Santo Domingo del Rio, Oaxaca, Mexico with other places around the world.
Santo Domingo del Rio usually has the most precipitation in June, September and October, with an average of 24 rainy days and 367 mm (14.4 inches) of precipitation per month. The driest months in Santo Domingo del Rio are March, April and December. On average, 103 mm (4.1 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 119 (4.7) | 113 (4.5) | 105 (4.1) | 101 (4.0) | 131 (5.2) | 368 (14.5) | 171 (6.7) | 261 (10.3) | 386 (15.2) | 346 (13.6) | 219 (8.6) | 104 (4.1) |
| Average precipitation days (≥ 1 mm) | 14 | 12 | 10 | 12 | 19 | 26 | 22 | 23 | 25 | 21 | 15 | 12 |
The sunniest months in Santo Domingo del Rio are April, May and July, when the sun shines an average of 10 hours 18 minutes a day. Least sunny months in Santo Domingo del Rio: January, February and November receive an average of 7 hours 57 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 199 | 253 | 301 | 307 | 320 | 287 | 320 | 306 | 282 | 281 | 263 | 271 |
| Mean daily daylight hours | 11h 10m | 11h 32m | 12h 2m | 12h 33m | 12h 58m | 13h 10m | 13h 4m | 12h 41m | 12h 12m | 11h 42m | 11h 15m | 11h 3m |
Santo Domingo del Rio experiences the highest level of ultraviolet (UV) radiation in April, June 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 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 Santo Domingo del Rio UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 9 | 11 | 12 | 13 | 13 | 14 | 14 | 13 | 13 | 12 | 9 | 8 |
Discover in-depth weather details for every month in Santo Domingo del Rio. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Santo Domingo del Rio's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.