Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Van Dien features a humid subtropical climate (Cwa).Temperatures typically range between 18 °C (65 °F) and 31 °C (87 °F) through the year, but rarely can drop to 8 °C (46 °F) or can rise to as high as 40 °C (105 °F).The average annual precipitation amounts to about 1916 mm (75.4 inches) and receives 170 rainy days on the 1 mm (0.04 inches) threshold annually.Van Dien enjoys an average of 2689 hours of sunshine throughout the year, and daylight varies from 10 hours 52 minutes to 13 hours 22 minutes per day.
The warmest months in Van Dien are June, July and August, with daily mean temperatures ranging from 29 to 31 °C (85 - 87 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 18 to 19 °C (65 - 66 °F) throughout the day. On average each year, Van Dien 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 | 29°C (84°F) | 31°C (88°F) | 34°C (94°F) | 36°C (97°F) | 39°C (103°F) | 40°C (105°F) | 39°C (103°F) | 39°C (102°F) | 37°C (99°F) | 34°C (94°F) | 33°C (92°F) | 31°C (87°F) |
Mean maximum | 27°C (82°F) | 28°C (83°F) | 32°C (91°F) | 34°C (93°F) | 37°C (99°F) | 37°C (100°F) | 38°C (100°F) | 37°C (100°F) | 36°C (97°F) | 33°C (92°F) | 31°C (89°F) | 28°C (83°F) |
Average high | 21°C (70°F) | 22°C (72°F) | 26°C (78°F) | 28°C (83°F) | 32°C (90°F) | 35°C (94°F) | 34°C (93°F) | 33°C (92°F) | 32°C (90°F) | 28°C (83°F) | 26°C (79°F) | 22°C (72°F) |
Daily mean | 18°C (65°F) | 19°C (66°F) | 22°C (73°F) | 25°C (77°F) | 28°C (83°F) | 31°C (87°F) | 30°C (86°F) | 29°C (85°F) | 28°C (83°F) | 25°C (78°F) | 22°C (73°F) | 18°C (65°F) |
Average low | 16°C (61°F) | 16°C (61°F) | 20°C (68°F) | 22°C (72°F) | 25°C (78°F) | 28°C (82°F) | 27°C (81°F) | 27°C (81°F) | 26°C (79°F) | 23°C (73°F) | 20°C (68°F) | 16°C (60°F) |
Mean minimum | 10°C (50°F) | 12°C (53°F) | 15°C (60°F) | 17°C (63°F) | 21°C (71°F) | 25°C (77°F) | 26°C (78°F) | 25°C (77°F) | 23°C (74°F) | 18°C (65°F) | 16°C (61°F) | 10°C (50°F) |
Minimum | 8°C (46°F) | 9°C (48°F) | 14°C (57°F) | 15°C (59°F) | 19°C (67°F) | 23°C (74°F) | 25°C (78°F) | 24°C (76°F) | 21°C (71°F) | 17°C (63°F) | 14°C (57°F) | 8°C (47°F) |
Compare temperature, precipitation, sunshine, UV index in Van Dien, Hanoi, Vietnam with other places around the world.
Van Dien usually has the most precipitation in July, August and October, with an average of 19 rainy days and 306 mm (12.0 inches) of precipitation per month.The driest months in Van Dien are February, November and December. On average, 44 mm (1.7 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 58 (2.3) | 41 (1.6) | 65 (2.5) | 147 (5.8) | 188 (7.4) | 189 (7.4) | 260 (10.2) | 378 (14.9) | 222 (8.7) | 279 (11.0) | 48 (1.9) | 41 (1.6) |
Average precipitation days (≥ 1 mm) | 8 | 7 | 14 | 14 | 17 | 15 | 21 | 22 | 21 | 16 | 8 | 7 |
The sunniest months in Van Dien are May, June and July, when the sun shines an average of 9 hours 0 minutes a day.Least sunny months in Van Dien: January, February and March receive an average of 5 hours 7 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 129 | 183 | 153 | 187 | 280 | 275 | 273 | 258 | 266 | 234 | 232 | 213 |
Mean daily daylight hours | 10h 59m | 11h 26m | 12h 1m | 12h 37m | 13h 7m | 13h 22m | 13h 15m | 12h 48m | 12h 14m | 11h 38m | 11h 7m | 10h 52m |
Van Dien experiences the highest level of ultraviolet (UV) radiation in May, August and September, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure.January, November and December are in the High / 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 Van Dien UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 8 | 10 | 12 | 12 | 13 | 12 | 12 | 13 | 13 | 11 | 9 | 7 |