December Weather in Indiana, Peru

Last updated: August 27, 2025

In Indiana, Peru, the average temperature in December hovers around 26°C (79°F). Expect a minimum of 22°C (72°F) and a maximum of 34°C (93°F), making it a warm and inviting destination. However, be prepared for some rain, as precipitation averages 285 mm (11.2 in) over 27 days, contributing to an average humidity of 87%. Enjoy the tropical ambiance while staying hydrated!

December Temperature in Indiana

In December, in Indiana, the average temperature is 26°C (79°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 22°C (72°F). This pleasant climate makes Indiana an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

December Weather in Indiana: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Indiana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Indiana, December typically has an average temperature of 26°C (79°F), with highs reaching up to 34°C (93°F) and lows dropping to around 22°C (72°F).

Data source: Temperature data for Indiana generated using information from the Copernicus Climate Change Service.

December Precipitation in Indiana

In Indiana in December, the total precipitation amount is 285 mm (11.2 in) spread over 27 days.

December Precipitation Trends in Indiana

The chart displays monthly precipitation patterns in Indiana, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Indiana, December typically receives around 285 mm (11.2 inches) of precipitation spread over approximately 27 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Indiana

In Indiana in December, humidity is 87%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick blanket, making it essential to stay hydrated and take frequent breaks while exploring.

December Average Humidity in Indiana

This chart illustrates the average monthly humidity levels in Indiana, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Indiana is approximately 87%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Indiana

In Indiana in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Indiana.

Maximum UV Index Levels in Indiana for December

The chart shows the monthly maximum UV Index (UVI) for Indiana in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Indiana typically reaches 13, which falls under the extreme exposure category.

Data source: Indiana December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Indiana Compares to Other Months

Weather in Indiana varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Indiana, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Indiana, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	257 mm (10.1 inches)	83%	extreme
February Weather	26°C (80°F)	212 mm (8.3 inches)	79%	extreme
March Weather	26°C (79°F)	312 mm (12.3 inches)	82%	extreme
April Weather	26°C (79°F)	321 mm (12.7 inches)	86%	extreme
May Weather	26°C (79°F)	236 mm (9.3 inches)	91%	extreme
June Weather	26°C (78°F)	246 mm (9.7 inches)	85%	extreme
July Weather	25°C (78°F)	175 mm (6.9 inches)	76%	extreme
August Weather	26°C (79°F)	115 mm (4.5 inches)	68%	extreme
September Weather	27°C (80°F)	179 mm (7.0 inches)	60%	extreme
October Weather	27°C (80°F)	216 mm (8.5 inches)	62%	extreme
November Weather	26°C (80°F)	239 mm (9.4 inches)	76%	extreme
December Weather	26°C (79°F)	285 mm (11.2 inches)	87%	extreme