# Kamphaeng Phet

Kamphaeng Phet is a town (thesaban mueang) in central Thailand, former capital of the Kamphaeng Phet Province. It covers the complete tambon Nai Mueang of the Mueang Kamphaeng Phet district. As of 2020, it has a population of 28,817.

## History

Kamphaeng Phet was an ancient outpost town during the Sukhothai period, as evidenced by the city walls and fortifications that remain today. Before the creation of the city, legends says that there were two cities present in the location; Chakangrao (ชากังราว) and Nakhon Chum (นครชุม). Chakangrao was built on the east bank of the Ping River while Nakhon Chum was built on the west bank of the Ping River.
Kamphaeng Phet received municipality status on March 11, 1936. When the municipality was established, it had an operation area of 4.5 square kilometers. Later in 1966, it expanded to an area of 14.9 square kilometers.

## Demographics

Since 2005, the population of Kamphaeng Phet has been decreasing.
| Estimation date | 31 Dec 2005 | 31 Dec 2010 | 31 Dec 2015 | 31 Dec 2019 |
| Population | 30,114 | 29,374 | 29,191 | 28,817 |

## Climate

Climate data for Kamphaeng Phet (1991–2020, extremes 1981-present) :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 37.0 (98.6) | 39.8 (103.6) | 40.8 (105.4) | 44.0 (111.2) | 43.6 (110.5) | 39.6 (103.3) | 38.0 (100.4) | 37.8 (100.0) | 36.2 (97.2) | 36.1 (97.0) | 36.5 (97.7) | 35.4 (95.7) | 44.0 (111.2) |
| Mean daily maximum °C (°F) | 32.0 (89.6) | 34.1 (93.4) | 35.9 (96.6) | 37.2 (99.0) | 35.5 (95.9) | 33.9 (93.0) | 33.1 (91.6) | 32.7 (90.9) | 32.8 (91.0) | 32.4 (90.3) | 32.1 (89.8) | 31.2 (88.2) | 33.6 (92.4) |
| Daily mean °C (°F) | 24.9 (76.8) | 26.8 (80.2) | 28.9 (84.0) | 30.6 (87.1) | 29.6 (85.3) | 28.7 (83.7) | 28.2 (82.8) | 27.9 (82.2) | 27.9 (82.2) | 27.5 (81.5) | 26.4 (79.5) | 24.6 (76.3) | 27.7 (81.8) |
| Mean daily minimum °C (°F) | 19.1 (66.4) | 20.5 (68.9) | 23.0 (73.4) | 25.1 (77.2) | 25.5 (77.9) | 25.4 (77.7) | 25.1 (77.2) | 24.9 (76.8) | 24.7 (76.5) | 24.0 (75.2) | 22.0 (71.6) | 19.5 (67.1) | 23.2 (73.8) |
| Record low °C (°F) | 10.1 (50.2) | 10.5 (50.9) | 14.8 (58.6) | 18.4 (65.1) | 20.8 (69.4) | 22.3 (72.1) | 21.4 (70.5) | 22.5 (72.5) | 21.6 (70.9) | 17.0 (62.6) | 12.6 (54.7) | 8.2 (46.8) | 8.2 (46.8) |
| Average precipitation mm (inches) | 5.3 (0.21) | 12.8 (0.50) | 40.4 (1.59) | 56.2 (2.21) | 191.1 (7.52) | 157.2 (6.19) | 175.8 (6.92) | 180.3 (7.10) | 268.0 (10.55) | 166.3 (6.55) | 27.5 (1.08) | 8.7 (0.34) | 1,289.6 (50.77) |
| Average precipitation days (≥ 1.0 mm) | 1.0 | 1.4 | 3.0 | 3.9 | 11.7 | 12.7 | 14.2 | 15.4 | 15.7 | 10.9 | 2.9 | 0.8 | 93.6 |
| Average relative humidity (%) | 70.6 | 66.0 | 65.5 | 66.0 | 75.1 | 80.6 | 81.6 | 83.5 | 84.0 | 82.9 | 77.8 | 73.2 | 75.6 |
| Average dew point °C (°F) | 18.5 (65.3) | 19.1 (66.4) | 21.0 (69.8) | 22.7 (72.9) | 24.2 (75.6) | 24.7 (76.5) | 24.5 (76.1) | 24.6 (76.3) | 24.7 (76.5) | 24.0 (75.2) | 21.8 (71.2) | 19.0 (66.2) | 22.4 (72.3) |
| Mean monthly sunshine hours | 257.3 | 243.0 | 238.7 | 243.0 | 198.4 | 156.0 | 120.9 | 117.8 | 144.0 | 179.8 | 219.0 | 257.3 | 2,375.2 |
| Mean daily sunshine hours | 8.3 | 8.6 | 7.7 | 8.1 | 6.4 | 5.2 | 3.9 | 3.8 | 4.8 | 5.8 | 7.3 | 8.3 | 6.5 |
| Source 1: World Meteorological Organization ||||||||||||||
| Source 2: Office of Water Management and Hydrology, Royal Irrigation Department (sun 1981–2010)(extremes) ||||||||||||||