Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Castanhal features a tropical monsoon climate (Am).Temperatures typically range between 26 °C (79 °F) and 28 °C (83 °F) through the year, but rarely can drop to 20 °C (69 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 2804 mm (110.4 inches) and receives 251 rainy days on the 1 mm (0.04 inches) threshold annually.Castanhal enjoys an average of 3588 hours of sunshine throughout the year, and daylight varies from 12 hours 2 minutes to 12 hours 11 minutes per day.
The warmest months in Castanhal are September, October and November, with daily mean temperatures ranging from 28 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in February, March and April, when daily mean temperatures range from 26 to 26 °C (79 - 79 °F) throughout the day. On average each year, Castanhal experiences 329 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 (93°F) | 33°C (92°F) | 34°C (93°F) | 34°C (94°F) | 34°C (93°F) | 34°C (93°F) | 34°C (93°F) | 35°C (96°F) | 36°C (96°F) | 35°C (96°F) | 36°C (97°F) | 36°C (98°F) |
Mean maximum | 33°C (92°F) | 33°C (92°F) | 33°C (91°F) | 33°C (91°F) | 33°C (92°F) | 33°C (92°F) | 33°C (92°F) | 34°C (94°F) | 35°C (95°F) | 35°C (95°F) | 35°C (95°F) | 34°C (94°F) |
Average high | 31°C (87°F) | 30°C (86°F) | 30°C (86°F) | 30°C (87°F) | 31°C (88°F) | 32°C (90°F) | 32°C (90°F) | 33°C (91°F) | 33°C (92°F) | 34°C (93°F) | 33°C (92°F) | 32°C (90°F) |
Daily mean | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (81°F) | 28°C (82°F) | 28°C (83°F) | 28°C (82°F) | 27°C (81°F) |
Average low | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) | 23°C (73°F) | 23°C (73°F) | 23°C (74°F) | 23°C (74°F) | 24°C (75°F) | 24°C (75°F) |
Mean minimum | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 21°C (70°F) | 21°C (71°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (73°F) |
Minimum | 21°C (71°F) | 21°C (71°F) | 22°C (71°F) | 22°C (72°F) | 21°C (71°F) | 21°C (71°F) | 20°C (69°F) | 21°C (70°F) | 21°C (71°F) | 22°C (71°F) | 22°C (72°F) | 22°C (71°F) |
Compare temperature, precipitation, sunshine, UV index in Castanhal, Pará, Brazil with other places around the world.
Castanhal usually has the most precipitation in February, March and April, with an average of 28 rainy days and 502 mm (19.7 inches) of precipitation per month.The driest months in Castanhal are August, September and October. On average, 55 mm (2.2 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 265 (10.4) | 525 (20.7) | 535 (21.1) | 445 (17.5) | 350 (13.8) | 132 (5.2) | 86 (3.4) | 56 (2.2) | 53 (2.1) | 58 (2.3) | 98 (3.9) | 202 (8.0) |
Average precipitation days (≥ 1 mm) | 24 | 27 | 30 | 29 | 27 | 21 | 16 | 13 | 13 | 13 | 15 | 23 |
The sunniest months in Castanhal are July, August and October, when the sun shines an average of 11 hours 10 minutes a day.Least sunny months in Castanhal: January, February and April receive an average of 7 hours 59 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 238 | 232 | 256 | 247 | 287 | 315 | 343 | 346 | 335 | 348 | 325 | 310 |
Mean daily daylight hours | 12h 10m | 12h 8m | 12h 5m | 12h 3m | 12h 2m | 12h 2m | 12h 2m | 12h 3m | 12h 5m | 12h 7m | 12h 9m | 12h 11m |
Castanhal experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure.June, July and October are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly Castanhal UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 14 | 15 | 16 | 16 | 14 | 12 | 11 | 13 | 13 | 13 | 13 | 13 |