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

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

Climate overview of Portage

The climate in Portage, Indiana, United States of America, is marked by large temperature swings across the seasons, ranging from 28°C (82°F) in July to 0°C (32°F) in January.

With around 1098 mm (43 in) of annual rain/snowfall, Portage has a notably wet climate. The wettest month is August.

Portage Weather by Month

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

Monthly Temperature in Portage

In Portage, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 28°C (82°F) in July. In January, the coolest month of the year, temperatures drop to a very cold 0°C (32°F).

At night, temperatures range from around 18°C (64°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 Portage

Portage experiences significant rain/snowfall throughout the year, averaging 1098 mm (43 in) of precipitation annually. Portage can be quite wet during August, receiving approximately 135 mm (5.3 in) of precipitation over 11 rainy days.

In contrast, during the driest month (March), you will experience much drier conditions, with 60 mm (2.4 in) of precipitation spread across 11 rainy days. For more details, please visit our Portage Precipitation page.

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

Best Time to Visit Portage

The best time to visit Portage is during May, June, July, August and September, when the weather provides comfortable temperatures between 21°C (71°F) and 28°C (83°F). With rainfall of 101 mm (4 in) to 135 mm (5.3 in), you can expect pleasant weather during your visit in these months.

Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.

Frequently asked questions about the climate in Portage

What is the best time to visit Portage?

May, June, July, August and September typically offer the most optimal weather in Portage. In contrast, January, February, March, November and December tend to have less optimal conditions.

What temperatures can I expect in Portage?

Daytime highs range from 0°C (32°F) in January to 28°C (82°F) in July. Nighttime lows range from -8°C (18°F) to 18°C (64°F). Temperatures vary considerably through the year.

How much rain does Portage get?

Annual rainfall is around 1098 mm (43 in). August is the wettest month with 135 mm (5.3 in), while March is the driest with 60 mm (2.4 in).

Portage 3-Day Forecast

Portage (IN) 3-Day Forecast

Portage on the map

Portage is highlighted — select any city to see its climate.

Popular this month

Where to go in July — average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.