Weather in Indianapolis in January 2025
- January is usually the coldest month of the year in Indianapolis;
Average weather
Average temperature in Indianapolis in January
The expected average maximum temperature in January is +6°C with a maximum of +17°C and a minimum of -11°C.
The average maximum temperature goes down 54% by the end of the month, compared with the beginning of the month, from +11°C to -4°C.
Is Indianapolis warm or cold in January?
Indianapolis is typically cool in January.
Maximum temperatures go down compared to the previous month from +5°C to +2°C. The minimum temperature also goes down from -2°C to -5°C.
Pack a sweater and a jacket as there will be cooler temperatures.
January is the coldest month in Indianapolis, here is the comparison with other months:
Climate in Indianapolis in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +5°C | +2°C | +5°C | ||||
| Min. temperature | ||||||
| -28°C | -31°C | -24°C | ||||
| Max. temperature | ||||||
| +21°C | +19°C | +25°C | ||||
| Rainfall | ||||||
| 60 mm | 45 mm | 46 mm | ||||
| Wind | ||||||
| 3 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 78% | 76% | 74% | ||||
| Air pressure | ||||||
| 1019 HPa | 1019 HPa | 1019 HPa | ||||
| Sunny days | ||||||
| 3 | 3 | 3 | ||||
| Cloudy days | ||||||
| 14 | 15 | 13 | ||||
| Rainy days | ||||||
| 8 | 5 | 5 | ||||
| Snowy days | ||||||
| 6 | 8 | 7 | ||||
January weather is still as ok as in December. It’s getting colder in January. From +5°C in the day, the average maximum temperature lowers to +2°C. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 60 mm to 45 mm. It feels drier, as humidity decreases from 78% to 76%. Winds are stronger in comparison to December, going up from 3 m/s to 4 m/s on average. The amount of sunny days stay about the same, averaging 3 sunny days during the month.
February brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Indianapolis is gradually increasing during January, going from 3 m/s to 4 m/s over the course of the month.
Rain
Snow
January is one of the snowiest months in Indianapolis.
Here’s how January is compared with other months in the amount of snow, total mm:
How was the weather last January in Indianapolis?
Climate Change over Years
The climate in Indianapolis in January has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+15°C) and the highest in 2012 (+19°C). The driest year was 1999 with only 656 mm of rainfall, and the wettest year was 2019 with 1833 mm.
FAQ
Is January a good time to visit Indianapolis?
Can you sunbathe in Indianapolis in January?
Is Indianapolis rainy in January?
Is it sunny in Indianapolis in January?
Other cities in USA
Monthly weather in Indianapolis
Source of the data
For this page, we’ve looked at the typical weather in Indianapolis, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.