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Has the climate in Savannakhet changed?

Savannakhet has warmed about 1.5°F since 1971.

About 0.3°F per decade, measured from Savannakhet's official daily weather records, 1971–2025. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Savannakhet's warming is broadly in line with other cities in Laos — 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
+0.9°F
1970s
79.9°F
Recent
80.8°F
A steady upward drift
Hot days above 90°F
58 more days
1970s
160 / yr
Recent
218 / yr
More days of serious heat
Rainy days
4 more days
1970s
111 / yr
Recent
115 / yr
Wetter on average

Savannakhet's temperature, year by year

Average temperature for each year from 1971 to 2025.

77°79°81°83°1971: 78.1°F1972: 79.0°F1973: 80.7°F1974: 79.7°F1975: 79.9°F1976: 79.5°F1977: 80.1°F1978: 80.3°F1979: 81.0°F1980: 81.2°F1981: 80.6°F1982: 81.0°F1983: 80.0°F1984: 78.4°F1985: 79.4°F1986: 79.4°F1987: 80.3°F1988: 79.5°F1989: 78.8°F1990: 78.9°F1991: 80.0°F1992: 79.1°F1993: 79.1°F1994: 79.6°F1995: 79.5°F1996: 78.9°F1997: 79.8°F1998: 81.8°F1999: 79.5°F2000: 79.3°F2001: 80.2°F2002: 80.3°F2003: 80.3°F2004: 79.5°F2005: 81.0°F2006: 80.4°F2007: 80.3°F2008: 78.6°F2009: 80.2°F2010: 81.4°F2011: 78.4°F2012: 81.2°F2013: 80.2°F2014: 80.7°F2015: 81.7°F2016: 81.7°F2017: 80.3°F2018: 80.4°F2019: 82.2°F2020: 81.5°F2021: 80.7°F2022: 80.0°F2023: 81.7°F2024: 82.5°F2025: 80.0°Flong-term trend1971198019902000201020202025
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 44 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°+3.0°January: +2.1°F+2.1JFebruary: +1.4°F+1.4FMarch: +1.4°F+1.4MApril: +1.2°F+1.2AMay: +1.2°F+1.2MJune: +1.3°F+1.3JJuly: +0.8°F+0.8JAugust: +1.1°F+1.1ASeptember: +1.0°F+1.0SOctober: +1.2°F+1.2ONovember: +2.5°F+2.5NDecember: +2.4°F+2.4D

November has warmed the most — about 2.5°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 Mukdahan, a weather station, about 6 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →