October weather forecast
Peru, IN

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Weather in October

October, the same as September, is another comfortable autumn month in Peru, Indiana, with temperature in the range of an average low of 46.2°F (7.9°C) and an average high of 61.7°F (16.5°C).

Temperature

In Peru, the beginning of October is marked by a lowered average high-temperature, shifting from September's moderately hot 74.7°F (23.7°C) to an enjoyable 61.7°F (16.5°C). An average temperature of 46.2°F (7.9°C) marks the nights in October.

Humidity

With an average relative humidity of 73%, October is the least humid month.

Rainfall

In Peru, in October, during 13.4 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 164.6 rainfall days, and 29.88" (759mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow. In Peru, during the entire year, snow falls for 46 days and aggregates up to 14.8" (376mm) of snow.

Daylight

The average length of the day in October is 11h and 6min.
On the first day of October, sunrise is at 7:41 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 6:41 pm EDT.

Sunshine

In October, the average sunshine is 6.4h.

UV index

In Peru, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In October, the maximum UV index of 2 translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Peru in October?

In October, in Peru, the average high-temperature is 61.7°F (16.5°C), and the average low-temperature is 46.2°F (7.9°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 87.8°F (31°C).

What is the least humid month?

October is the least humid month, with an average relative humidity of 73%.

What is the average humidity in October?

In Peru, the average relative humidity in October is 73%.

How much does it rain in October?

In Peru, during October, the rain falls for 13.4 days and regularly aggregates up to 2.2" (56mm) of precipitation.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow.

What is the average length of the day in October?

In Peru, the average day length in October is 11h and 6min.

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 7:41 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 6:41 pm EDT.

How many hours of sunshine does Peru have in October?

In October, the average sunshine duration is 6.4h.

What is the UV index reading in October?

In October, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Peru, IN

Average temperature in October - Peru, IN
  • Average high temperature in October: 61.7°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in October: 46.2°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

Average pressure in October
Peru, IN

Average pressure in October - Peru, IN
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
Peru, IN

Average wind speed in October - Peru, IN
  • Average wind speed in October: 9mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

Average humidity in October
Peru, IN

Average humidity in October - Peru, IN
  • Average humidity in October: 73%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (73%).

Average rainfall in October
Peru, IN

Average rainfall in October - Peru, IN
  • Average rainfall in October: 2.2"

The wettest months (with the highest rainfall) are April and May (3.58").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in October
Peru, IN

Average rainfall days in October - Peru, IN
  • Average rainfall days in October: 13.4 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (7.7 days).

Average snowfall in October
Peru, IN

Average snowfall in October - Peru, IN
  • Average snowfall in October: 0.12"

The month with the highest snowfall is February (4.25").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Peru, IN

Average snowfall days in October - Peru, IN
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Peru, IN

Average daylight in October / Average sunshine in October - Peru, IN
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in October: 6h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in October
Peru, IN

Average sunshine days in October - Peru, IN
  • Average sunshine days in October: 15.5 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.4 days).

Average UV index in October
Peru, IN

Average UV index in October - Peru, IN
  • Average UV index in October: 2

The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in October
Peru, IN

Average cloud cover in October - Peru, IN
  • Average cloud cover in October: 39

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are June and July (Cloud cover 33).

Average visibility in October
Peru, IN

Average visibility in October - Peru, IN
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).

Peru, Indiana, USA

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