Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Santa Rosa features a hot desert climate (BWh).Temperatures typically range between 16 °C (61 °F) and 21 °C (71 °F) through the year, but rarely can drop to 14 °C (57 °F) or can rise to as high as 26 °C (78 °F).The average annual precipitation amounts to about 139 mm (5.5 inches) and receives 20 rainy days on the 1 mm (0.04 inches) threshold annually.Santa Rosa enjoys an average of 3813 hours of sunshine throughout the year, and daylight varies from 11 hours 25 minutes to 12 hours 47 minutes per day.
The warmest months in Santa Rosa are January, February and March, with daily mean temperatures ranging from 21 to 21 °C (69 - 71 °F) throughout the day. The coldest temperatures usually occur in August, September and October, when daily mean temperatures range from 16 to 16 °C (61 - 62 °F) throughout the day. On average each year, Santa Rosa experiences 0 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 | 25°C (77°F) | 26°C (78°F) | 25°C (78°F) | 23°C (74°F) | 23°C (73°F) | 20°C (68°F) | 19°C (66°F) | 19°C (66°F) | 18°C (65°F) | 19°C (66°F) | 21°C (70°F) | 23°C (73°F) |
Mean maximum | 23°C (74°F) | 24°C (75°F) | 24°C (75°F) | 22°C (73°F) | 21°C (70°F) | 19°C (67°F) | 19°C (66°F) | 18°C (65°F) | 18°C (64°F) | 19°C (66°F) | 20°C (68°F) | 22°C (71°F) |
Average high | 22°C (72°F) | 23°C (73°F) | 23°C (73°F) | 21°C (70°F) | 19°C (67°F) | 18°C (65°F) | 18°C (64°F) | 17°C (63°F) | 17°C (63°F) | 18°C (64°F) | 19°C (66°F) | 20°C (69°F) |
Daily mean | 21°C (69°F) | 21°C (71°F) | 21°C (71°F) | 20°C (68°F) | 18°C (65°F) | 17°C (63°F) | 16°C (62°F) | 16°C (61°F) | 16°C (61°F) | 16°C (62°F) | 17°C (63°F) | 19°C (66°F) |
Average low | 20°C (68°F) | 20°C (69°F) | 20°C (69°F) | 19°C (66°F) | 17°C (63°F) | 16°C (61°F) | 15°C (60°F) | 15°C (59°F) | 15°C (59°F) | 15°C (60°F) | 16°C (61°F) | 18°C (64°F) |
Mean minimum | 19°C (66°F) | 20°C (67°F) | 19°C (67°F) | 17°C (64°F) | 16°C (61°F) | 15°C (59°F) | 15°C (59°F) | 14°C (57°F) | 14°C (58°F) | 14°C (58°F) | 15°C (60°F) | 17°C (62°F) |
Minimum | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 16°C (61°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (57°F) | 14°C (57°F) | 14°C (58°F) | 15°C (58°F) | 16°C (61°F) |
Compare temperature, precipitation, sunshine, UV index in Santa Rosa, Lima region, Peru with other places around the world.
Santa Rosa usually has the most precipitation in January, February and March, with an average of 5 rainy days and 22 mm (0.9 inches) of precipitation per month.The driest months in Santa Rosa are May, October and November. On average, 7 mm (0.3 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 22 (0.9) | 23 (0.9) | 21 (0.8) | 8 (0.3) | 7 (0.3) | 8 (0.3) | 9 (0.3) | 9 (0.4) | 8 (0.3) | 7 (0.3) | 7 (0.3) | 9 (0.3) |
Average precipitation days (≥ 1 mm) | 7 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The sunniest months in Santa Rosa are August, October and December, when the sun shines an average of 10 hours 49 minutes a day.Least sunny months in Santa Rosa: January, February and March receive an average of 9 hours 26 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 259 | 291 | 307 | 315 | 331 | 315 | 330 | 337 | 326 | 338 | 328 | 331 |
Mean daily daylight hours | 12h 42m | 12h 27m | 12h 8m | 11h 48m | 11h 33m | 11h 25m | 11h 29m | 11h 43m | 12h 1m | 12h 21m | 12h 38m | 12h 47m |
Santa Rosa experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 14 - 16, which corresponds to the Extreme category of sun exposure.May, June and July 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 Santa Rosa UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 14 | 15 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 14 | 14 | 14 |