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Has the climate in Brāhmanbāria changed?

Brāhmanbāria has warmed about 2.2°F between 1977 and 2024.

About 0.5°F per decade, measured from Brāhmanbāria's official daily weather records, 1977–2024. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Brāhmanbāria's warming is broadly in line with other cities in Bangladesh — 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
77.2°F
Recent
78.7°F
A steady upward drift
Hot days above 90°F
48 fewer days
1970s
124 / yr
Recent
76 / yr
Slightly fewer hot days
Rainy days
12 more days
1970s
100 / yr
Recent
112 / yr
Wetter on average

Brāhmanbāria's temperature, year by year

Average temperature for each year from 1977 to 2024.

74°76°78°80°82°1977: 76.7°F1978: 76.4°F1979: 78.2°F1980: 77.4°F1981: 76.4°F1987: 78.3°F1988: 77.6°F1989: 77.1°F1990: 77.7°F1991: 77.1°F1992: 77.3°F1993: 76.2°F1994: 76.7°F1995: 77.1°F1996: 77.2°F1997: 76.2°F1998: 77.9°F1999: 78.5°F2000: 76.4°F2001: 76.7°F2002: 76.4°F2003: 76.0°F2004: 76.5°F2005: 77.3°F2006: 77.9°F2007: 76.3°F2008: 77.0°F2009: 77.9°F2010: 77.7°F2011: 76.5°F2012: 76.9°F2013: 76.8°F2014: 77.3°F2015: 77.4°F2016: 79.8°F2017: 79.1°F2018: 78.6°F2019: 79.5°F2020: 79.5°F2021: 80.1°F2022: 79.8°F2023: 80.2°F2024: 79.7°Flong-term trend1977198019902000201020202024
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 18 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.

-0.5°0.0°+0.5°+1.0°+1.5°January: -0.4°F-0.4JFebruary: +0.5°F+0.5FMarch: +0.3°F+0.3MApril: +0.2°F+0.2AMay: -0.5°F-0.5MJune: +0.4°F+0.4JJuly: +0.8°F+0.8JAugust: +1.4°F+1.4ASeptember: +0.7°F+0.7SOctober: -0.1°F-0.1ONovember: +0.1°F+0.1NDecember: +0.4°F+0.4D

August has warmed the most — about 1.4°F. The warming runs across the whole year, not just one season.

Methodology & sources

Temperature — 1991–2020 normals computed from 23 years of daily observations at Agartala, a weather station, about 17 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →