Bossier City (LA) Temperature by Month
Bossier City, Louisiana, United States of America has an average annual maximum temperature of 25°C (77°F), ranging from 14°C (57°F) in January to 35°C (95°F) in August. Below you'll find a full monthly breakdown and a comparison with cities worldwide.
Bossier City Monthly Temperatures
The climate in Bossier City is known for significant temperature differences throughout the year. At night, this contrast is just as clear, with lows ranging from 24°C (75°F) in August to 2°C (36°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Bossier City by month:
From around 4 AM to 6 AM temperatures are at their lowest; by 3 PM they've climbed to their daily peak. August, the warmest month, averages 301 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Bossier City vs the United States of America
The map below shows the annual temperature across the United States of America. You can also select individual months if you want to compare a specific time of year.
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Bossier City vs World: Temperature Compared
Bossier City's average annual maximum temperature is 25°C (77°F). To put that in context, here's how it compares to a few well-known destinations:
Athens, Greece sits at 23°C (73°F) on average, with hot dry summers and mild winters characteristic of the Mediterranean.
Reykjavík, Iceland averages 9°C (48°F) a year — mild summers by Icelandic standards, but cold winters and frequent wind.
Seoul, South Korea averages 18°C (64°F) a year, with four clear seasons, cold winters, and hot humid summers.
Tokyo, Japan averages 21°C (70°F) a year, with hot summers, cool winters, and a well-defined cherry blossom spring.
What Does the Temperature Feel Like in Bossier City?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In Bossier City, January is the coolest month, with average highs of 14°C (57°F) and humidity around 72% — considered high. In August, the warmest month, temperatures average 35°C (95°F) with 71% humidity — conditions that feel high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Whether a city sits on the coast or deep inland makes a significant difference to its climate. Coastal areas tend to have more stable temperatures year-round — large bodies of water absorb heat slowly in summer and release it gradually in winter, keeping extremes in check. Cities far from the sea don't benefit from that buffer, which is why continental climates tend to have hotter summers and colder winters than their coastal counterparts at the same latitude.
For more on Bossier City's weather — including monthly rainfall, sunshine hours, and humidity — visit our Bossier City climate page.