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Has the climate in Prachuap Khiri Khan changed?

Prachuap Khiri Khan has warmed about 2.2°F between 1971 and 2024.

About 0.4°F per decade, measured from Prachuap Khiri Khan's official daily weather records, 1971–2024. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Prachuap Khiri Khan's warming is broadly in line with other cities in Thailand — neither unusually fast nor unusually slow.

What has actually changed

Each card compares the 1970s (the first ten years of the record) with recent years (the last ten) — the same span the headline and the chart use.

Freezing nights
about the same
1970s
0 / yr
Recent
0 / yr
Winters about as cold as before
Average temperature
+1.5°F
1970s
80.7°F
Recent
82.2°F
A steady upward drift
Hot days above 90°F
95 more days
1970s
125 / yr
Recent
220 / yr
More days of serious heat
Rainy days
7 more days
1970s
117 / yr
Recent
124 / yr
Wetter on average

Prachuap Khiri Khan's temperature, year by year

Average temperature for each year from 1971 to 2024.

78°80°82°84°1971: 80.1°F1972: 80.8°F1973: 81.4°F1974: 80.7°F1975: 80.4°F1976: 79.9°F1977: 80.7°F1978: 80.7°F1979: 81.1°F1980: 81.2°F1981: 80.3°F1982: 80.0°F1983: 81.2°F1984: 80.7°F1985: 80.9°F1986: 80.6°F1987: 81.2°F1988: 81.1°F1989: 80.7°F1990: 81.8°F1991: 81.7°F1992: 81.4°F1993: 81.7°F1994: 81.5°F1995: 82.1°F1996: 81.3°F1997: 81.9°F1998: 83.0°F1999: 81.0°F2000: 81.3°F2001: 81.5°F2002: 81.8°F2003: 81.9°F2004: 81.8°F2005: 81.7°F2006: 81.7°F2007: 81.7°F2008: 81.2°F2009: 81.8°F2010: 83.1°F2011: 81.4°F2012: 82.3°F2013: 81.8°F2014: 82.1°F2015: 82.1°F2016: 82.8°F2017: 82.0°F2018: 81.8°F2019: 82.7°F2020: 83.1°F2021: 82.3°F2022: 82.1°F2023: 83.8°F2024: 82.3°Flong-term trend1971198019902000201020202024
a warmer-than-average year a cooler-than-average year

Each bar is one year. Most recent years sit above the older ones. Some recent years still came in cool — warming is a slope, not a straight climb.

In day-to-day terms, that long-term shift shows up as about 68 more days above 90°F compared with the 1970s.

When in the year the change shows up

How much warmer each month is now than in the 1970s. Useful if you garden or care about a particular season — otherwise the headline above already has the answer.

0.0°+0.5°+1.0°+1.5°+2.0°+2.5°January: +2.2°F+2.2JFebruary: +2.0°F+2.0FMarch: +1.9°F+1.9MApril: +1.8°F+1.8AMay: +1.5°F+1.5MJune: +1.4°F+1.4JJuly: +0.5°F+0.5JAugust: +0.9°F+0.9ASeptember: +1.2°F+1.2SOctober: +1.3°F+1.3ONovember: +1.7°F+1.7NDecember: +1.9°F+1.9D

January has warmed the most — about 2.2°F. The warming runs across the whole year, not just one season.

Methodology & sources

Temperature — 1991–2020 normals computed from 29 years of daily observations at Prachuap Khiri Khan, a weather station, about 3 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →