Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Arroyo Grande features a tropical savanna climate (Aw).Temperatures typically range between 24 °C (75 °F) and 29 °C (84 °F) through the year, but rarely can drop to 12 °C (54 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 1036 mm (40.8 inches) and receives 122 rainy days on the 1 mm (0.04 inches) threshold annually.Arroyo Grande enjoys an average of 3500 hours of sunshine throughout the year, and daylight varies from 11 hours 2 minutes to 13 hours 11 minutes per day.
The warmest months in Arroyo Grande are March, April and May, with daily mean temperatures ranging from 27 to 29 °C (81 - 84 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 24 to 25 °C (75 - 77 °F) throughout the day. On average each year, Arroyo Grande experiences 327 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 | 34°C (94°F) | 36°C (97°F) | 38°C (101°F) | 39°C (103°F) | 39°C (103°F) | 38°C (101°F) | 36°C (97°F) | 35°C (95°F) | 34°C (94°F) | 34°C (93°F) | 34°C (94°F) | 34°C (93°F) |
Mean maximum | 33°C (92°F) | 35°C (96°F) | 37°C (99°F) | 39°C (102°F) | 39°C (102°F) | 36°C (97°F) | 34°C (94°F) | 34°C (94°F) | 33°C (92°F) | 33°C (92°F) | 33°C (92°F) | 32°C (90°F) |
Average high | 31°C (88°F) | 33°C (91°F) | 35°C (96°F) | 36°C (98°F) | 36°C (97°F) | 32°C (90°F) | 31°C (89°F) | 31°C (88°F) | 30°C (87°F) | 30°C (87°F) | 31°C (87°F) | 30°C (87°F) |
Daily mean | 24°C (75°F) | 25°C (77°F) | 27°C (81°F) | 28°C (83°F) | 29°C (84°F) | 27°C (81°F) | 26°C (80°F) | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) | 25°C (77°F) | 24°C (75°F) |
Average low | 17°C (64°F) | 18°C (65°F) | 20°C (67°F) | 21°C (69°F) | 22°C (72°F) | 23°C (73°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 21°C (71°F) | 20°C (68°F) | 17°C (64°F) |
Mean minimum | 14°C (57°F) | 15°C (59°F) | 17°C (63°F) | 17°C (64°F) | 19°C (66°F) | 21°C (70°F) | 20°C (69°F) | 21°C (69°F) | 20°C (69°F) | 19°C (67°F) | 16°C (61°F) | 14°C (58°F) |
Minimum | 13°C (55°F) | 12°C (54°F) | 16°C (60°F) | 16°C (61°F) | 18°C (65°F) | 19°C (67°F) | 20°C (68°F) | 20°C (68°F) | 19°C (67°F) | 19°C (66°F) | 14°C (57°F) | 13°C (55°F) |
Compare temperature, precipitation, sunshine, UV index in Arroyo Grande, Guerrero, Mexico with other places around the world.
Arroyo Grande usually has the most precipitation in July, August and September, with an average of 24 rainy days and 212 mm (8.3 inches) of precipitation per month.The driest months in Arroyo Grande are January, March and April. On average, 2 mm (0.1 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 4 (0.2) | 4 (0.2) | 2 (0.1) | 1 (0.0) | 31 (1.2) | 172 (6.8) | 177 (7.0) | 231 (9.1) | 227 (8.9) | 146 (5.8) | 35 (1.4) | 5 (0.2) |
Average precipitation days (≥ 1 mm) | 1 | 1 | 0 | 0 | 5 | 20 | 23 | 26 | 23 | 16 | 6 | 1 |
The sunniest months in Arroyo Grande are March, April and May, when the sun shines an average of 10 hours 39 minutes a day.Least sunny months in Arroyo Grande: January, September and October receive an average of 8 hours 34 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 241 | 277 | 320 | 324 | 335 | 287 | 308 | 286 | 270 | 277 | 281 | 290 |
Mean daily daylight hours | 11h 9m | 11h 32m | 12h 2m | 12h 33m | 12h 59m | 13h 11m | 13h 4m | 12h 42m | 12h 12m | 11h 41m | 11h 15m | 11h 2m |
Arroyo Grande experiences the highest level of ultraviolet (UV) radiation in May, June and July, 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 Arroyo Grande UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 9 | 11 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 11 | 8 | 8 |