Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Chaiwan features a tropical savanna climate (Aw).Temperatures typically range between 23 °C (74 °F) and 30 °C (86 °F) through the year, but rarely can drop to 10 °C (50 °F) or can rise to as high as 42 °C (108 °F).The average annual precipitation amounts to about 1366 mm (53.8 inches) and receives 145 rainy days on the 1 mm (0.04 inches) threshold annually.Chaiwan enjoys an average of 3510 hours of sunshine throughout the year, and daylight varies from 11 hours 6 minutes to 13 hours 7 minutes per day.
The warmest months in Chaiwan are April, May and June, with daily mean temperatures ranging from 29 to 30 °C (85 - 86 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 23 to 25 °C (74 - 77 °F) throughout the day. On average each year, Chaiwan experiences 324 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 | 35°C (96°F) | 38°C (101°F) | 41°C (105°F) | 42°C (108°F) | 41°C (106°F) | 38°C (100°F) | 38°C (100°F) | 36°C (98°F) | 35°C (96°F) | 35°C (96°F) | 36°C (98°F) | 35°C (94°F) |
Mean maximum | 34°C (94°F) | 37°C (99°F) | 39°C (102°F) | 40°C (103°F) | 38°C (101°F) | 36°C (97°F) | 36°C (97°F) | 36°C (96°F) | 35°C (95°F) | 34°C (94°F) | 35°C (95°F) | 33°C (92°F) |
Average high | 31°C (87°F) | 32°C (90°F) | 35°C (94°F) | 35°C (96°F) | 35°C (94°F) | 34°C (93°F) | 33°C (91°F) | 32°C (90°F) | 32°C (90°F) | 32°C (89°F) | 31°C (89°F) | 30°C (85°F) |
Daily mean | 24°C (75°F) | 25°C (77°F) | 28°C (83°F) | 30°C (86°F) | 30°C (86°F) | 29°C (85°F) | 29°C (84°F) | 28°C (83°F) | 28°C (83°F) | 27°C (81°F) | 26°C (79°F) | 23°C (74°F) |
Average low | 18°C (65°F) | 19°C (67°F) | 23°C (74°F) | 25°C (77°F) | 26°C (79°F) | 26°C (80°F) | 26°C (79°F) | 26°C (79°F) | 25°C (78°F) | 24°C (75°F) | 22°C (71°F) | 18°C (65°F) |
Mean minimum | 14°C (57°F) | 15°C (59°F) | 19°C (66°F) | 21°C (69°F) | 23°C (74°F) | 25°C (77°F) | 24°C (76°F) | 24°C (76°F) | 24°C (75°F) | 21°C (70°F) | 17°C (63°F) | 12°C (55°F) |
Minimum | 10°C (50°F) | 12°C (55°F) | 17°C (63°F) | 16°C (62°F) | 20°C (69°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 23°C (73°F) | 18°C (64°F) | 15°C (60°F) | 11°C (52°F) |
Compare temperature, precipitation, sunshine, UV index in Chaiwan, Udon Thani, Thailand with other places around the world.
Chaiwan usually has the most precipitation in July, August and September, with an average of 24 rainy days and 264 mm (10.4 inches) of precipitation per month.The driest months in Chaiwan are January, February and December. 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) | 4 (0.2) | 10 (0.4) | 36 (1.4) | 65 (2.5) | 170 (6.7) | 161 (6.3) | 296 (11.6) | 277 (10.9) | 218 (8.6) | 111 (4.4) | 12 (0.5) | 6 (0.2) |
Average precipitation days (≥ 1 mm) | 1 | 1 | 7 | 9 | 16 | 20 | 25 | 25 | 23 | 14 | 3 | 1 |
The sunniest months in Chaiwan are March, April and May, when the sun shines an average of 10 hours 22 minutes a day.Least sunny months in Chaiwan: January, July and August receive an average of 8 hours 30 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 257 | 296 | 322 | 315 | 315 | 288 | 271 | 261 | 277 | 288 | 301 | 312 |
Mean daily daylight hours | 11h 12m | 11h 34m | 12h 2m | 12h 31m | 12h 55m | 13h 7m | 13h 1m | 12h 40m | 12h 12m | 11h 43m | 11h 19m | 11h 6m |
Chaiwan experiences the highest level of ultraviolet (UV) radiation in April, July and September, when the maximum UV index can reach values of 14 - 15, 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 10. For more detailed information, check out our hourly Chaiwan UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 9 | 12 | 14 | 14 | 14 | 13 | 15 | 14 | 14 | 12 | 10 | 9 |