Lebanon (IN) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Lebanon.

Current conditions Lebanon –  

Climate overview of Lebanon

Lebanon, Indiana, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 29°C (84°F) in July, while winters cool to 1°C (34°F) in January.

The city has a wet climate, receiving around 1135 mm (45 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and very cold winters. June is the wettest month. July is the sunniest month, averaging 9.9 hours of sunshine per day.

Lebanon Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Lebanon - and find the best time to visit.

Monthly Temperature in Lebanon

Depending on the time of the year, temperatures range from comfortable to very cold in Lebanon. On average, daytime temperatures range from a comfortable 29°C (84°F) in July to a very cold 1°C (34°F) in January.

Nighttime temperatures range from 17°C (63°F) in July to -8°C (18°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Lebanon

Lebanon has a relatively rain/snowy climate with high precipitation levels, averaging 1135 mm (45 in) of rain/snowfall annually. The seasons in Lebanon bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 137 mm (5.4 in) of precipitation. This rainfall is distributed across 14 rainy days.

In contrast, the driest month, January, experiences much less snow/rainfall, totaling 63 mm (2.5 in) over 11 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Lebanon Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Lebanon

In Lebanon, summer days are longer and more sunny, with daily sunshine hours peaking at 9.9 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.5 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Indianapolis, the United States of America (40 KM, 25 Miles).

Daily hours of sunshine

Data from: Indianapolis, the United States of America (40 KM, 25 Miles).

Humidity in Lebanon by Month

Best Time to Visit Lebanon

For comfortable weather, consider visiting Lebanon in August and September. Conditions are usually least favourable in January, February and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: August and September
  • Warmest weather: June, July and August
  • Most sunshine: June and July
  • Seasonal pattern: Warm summers and very cold winters
  • Coldest conditions: January, with freezing nights around -8°C (18°F).

Frequently asked questions about the climate in Lebanon

What is the best time to visit Lebanon?

August and September typically offer the most optimal weather in Lebanon. In contrast, January, February and December tend to have less optimal conditions. Lebanon has warm summers and very cold winters.

What temperatures can I expect in Lebanon?

Daytime highs range from 1°C (34°F) in January to 29°C (84°F) in July. Nighttime lows range from -8°C (18°F) to 17°C (63°F). Temperatures vary considerably through the year.

How much rain does Lebanon get?

Annual rainfall is around 1135 mm (45 in). June is the wettest month with 137 mm (5.4 in), while January is the driest with 63 mm (2.5 in).

How sunny is Lebanon?

Lebanon receives around 2,470 hours of sunshine per year. July is the sunniest month with 297 hours, while December is the cloudiest with just 105 hours. Overall, Lebanon enjoys abundant sunshine.

Lebanon 3-Day Forecast

Lebanon on the map

Lebanon is highlighted - select any city to see its climate.

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