Best Time to Visit Indiana
Best time to visit Indiana: May, July, August, September and October. Month-by-month temperature, rainfall and crowd guidance.
Best time to visit Indiana
Go in May, July, August, September and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
Climate in Indiana month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 32° | 19° | 2,7 in | ★★☆☆☆ |
| February | 44° | 26° | 1,7 in | ★★★☆☆ |
| March | 58° | 38° | 5,2 in | ★★★☆☆ |
| April | 66° | 47° | 6,3 in | ★★★☆☆ |
| May | 72° | 54° | 4,5 in | ★★★★☆ |
| June | 83° | 65° | 5,5 in | ★★★★☆ |
| July | 86° | 69° | 4,3 in | ★★★★☆ |
| August | 83° | 66° | 3,3 in | ★★★★☆ |
| September | 80° | 60° | 2,7 in | ★★★★☆ |
| October | 68° | 49° | 2,1 in | ★★★★☆ |
| November | 53° | 38° | 2,6 in | ★★★☆☆ |
| December | 43° | 29° | 3,1 in | ★★☆☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
How Indiana compares with nearby places
Annual averages, and the difference against Indiana.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Louisville | 107 mi | 58°F | +35°F warmer | 49 in |
| Kentucky | 128 mi | 57°F | +34°F warmer | 48 in |
| Cook County | 165 mi | 52°F | 35°F cooler | 40 in |
| Chicago | 165 mi | 52°F | 35°F cooler | 40 in |
| Area Code 312 | 165 mi | 52°F | 35°F cooler | 40 in |
Best time to visit each national park in Indiana
1 national parks mapped in this atlas
Best time to visit each city in Indiana
1 cities mapped in this atlas
What to pack, what to skip
- Normal seasonal clothing - nothing unusual is needed this week
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
Indiana is a state in United States. Indiana is a US state with its capital at Indianapolis. It has a population of about 6.9 million. The capital is Indianapolis.
Right now it is 59°F (15°C) in Indiana with partly cloudy. It feels like 57°F. Today runs from 57°F to 63°F. Chance of precipitation is 2%. Sightseeing conditions score 9.5/10 - excellent - go now.
The best time to visit Indiana is May, July, August, September and October. The climate is continental. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 86°F, while January is the coldest with lows near 19°F.
The closest major airport is O'Hare International Airport (ORD), about 178 mi away. Nearby highlights include Indiana Dunes National Park, Mammoth Cave National Park, Starved Rock State Park and Hocking Hills State Park.
In plain terms. Today is much colder than average for September. The forecast high of 63°F is 16.7°F below the 80°F typical for this month. The best window to be outside is roughly 2 PM to 5 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in Indiana today at 9.5/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in Indiana right now
Source: Open-Meteo. Updated 11:07 AM, Sep 22 local time.
Weekend outlook
☁️ 72° / 52°
Overcast · 0% rain · wind 6 mph
☁️ 64° / 57°
Overcast · 3% rain · wind 5 mph
Things to do in Indiana
Attractions, parks and landmarks in and around Indiana.
Quick facts about Indiana
| Type | State |
|---|---|
| Country | United States |
| Continent | North America |
| Coordinates | 39°46′6.2″N 86°9′29.2″W (39.7684, -86.1581) |
| Capital | Indianapolis |
| Population | 6.860.000 |
| Area | 36.419 sq mi |
| Abbreviation | IN |
| Time zone | America/Indiana/Indianapolis |
| Local time | 11:07 AM (UTC-04:00) |
| Best months | May, July, August, September and October |
| Climate | Continental |
Explore Indiana
Every topic we hold for this place, and the same topic for the places around it.
Best Time to Visit for related places
Frequently asked questions
Where is Indiana?
Indiana is a state in United States. Its coordinates are 39.7684, -86.1581. It lies in North America.
What is the weather like in Indiana right now?
It is currently 59°F (15°C) with partly cloudy. Humidity is 87% and wind is 8 mph.
When is the best time to visit Indiana?
May, July, August, September and October offer the most comfortable conditions in Indiana, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Indiana in?
Indiana observes America/Indiana/Indianapolis (UTC-04:00). The local time is 11:07 AM.
How many people live in Indiana?
Indiana has a population of approximately 6.9 million.
What is the nearest airport to Indiana?
The closest airports are O'Hare International Airport (ORD), 178 mi away and Nashville International Airport (BNA), 253 mi away.
What are the top things to do in Indiana?
Popular options include Indiana Dunes National Park, Mammoth Cave National Park, Starved Rock State Park, Hocking Hills State Park, Cumberland Falls State Resort Park and Gateway Arch National Park.
What places are in Indiana?
Indiana covers 2 places in this atlas, including Indiana Dunes National Park and Indianapolis.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 22, 2026 at 11:07 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
