Climate change in Bossier Parish, Louisiana
Since 1979, Bossier Parish, Louisiana has warmed 3.4°F, with 16 more days above 90°F, 35 more nights above 70°F and about the same precipitation a year. Its climate in 1996–2025 is most like Harrison County, TX's was in 1951–1980.
- Average temperature: +3.4°F
- Summer highs (Jun–Aug): +1.4°F
- Winter lows (Dec–Feb): +4.5°F
- Precipitation: +0%
- Wettest day of the year: +37%
- Longest dry spell: +2 days
- Days above 90°F: +16 days
- Nights above 70°F: +35 days
- Freezing nights: −19 days
- Frost-free season: +26 days
- Muggy days: +12 days
- Summer heat index (Jun–Aug): +0.8°F
- Extreme fire-weather days: +20 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.