October weather forecast
Arequipa, Peru

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Weather in October

October in Arequipa brings with it a sunnier, warmer climate. This climb in temperatures, coupled with more daylight hours, encourages more visitors to this picturesque city. The stable weather is accompanied by a mild increase in relative humidity and a slow but steady rise in rainfall. Despite this, the overall increase in cloud cover does not prevent the sun from illuminating Arequipa for the majority of the day. October is one of the warmest months, with temperatures reaching 17.9°C (64.2°F), slightly hotter than the previous month.

Temperature

The warmest temperatures occur during October, when averages reach a peak of 17.9°C (64.2°F) and a low of 8.7°C (47.7°F).

Humidity

In Arequipa, the average relative humidity in October is 46%.

Rainfall

In October, in Arequipa, Peru, the rain falls for 3.5 days. Throughout October, 5mm (0.2") of precipitation is accumulated. Throughout the year, there are 84.2 rainfall days, and 260mm (10.24") of precipitation is accumulated.

Daylight

In Arequipa, the average length of the day in October is 12h and 29min.
On the first day of the month, sunrise is at 05:27 and sunset at 17:43. On the last day of October, sunrise is at 05:08 and sunset at 17:50 -05.

Sunshine

In October, the average sunshine is 9.9h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 4. January through December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 4 in October translates into this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What is the warmest month in Arequipa?

October is the warmest month in Arequipa, with the temperature often reaching an average high of 17.9°C (64.2°F) and an average low of 8.7°C (47.7°F).

What are the temperatures in Arequipa in October?

The average high-temperature and low-temperature during October are 17.9°C (64.2°F) and 8.7°C (47.7°F) respectively.

What is the average humidity in October in Arequipa?

In October, the average relative humidity in Arequipa is 46%.

How many days does it rain in October in Arequipa?

In Arequipa, Peru, in October, during 3.5 rainfall days, 5mm (0.2") of precipitation is typically accumulated.

How many hours of daylight does Arequipa have in October?

In October, the average day length in Arequipa is 12h and 29min.

What time are sunrise and sunset in October in Arequipa?

In October, on the first day of the month, sunrise is at 05:27 and sunset at 17:43. On the last day of the month, sunrise is at 05:08 and sunset at 17:50 -05.

How long on average sun shines in October in Arequipa?

In Arequipa, Peru, the average sunshine duration in October is 9.9h.

What is the month with the highest UV index in Arequipa?

January through December, with an average maximum UV index of 4, are months with the highest UV index in Arequipa.

What is the month with the lowest UV index in Arequipa?

January through December, with an average maximum UV index of 4, are months with the lowest UV index in Arequipa.

What is the UV index intensity in October in Arequipa?

In October, the average daily maximum UV index in Arequipa, Peru, is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in October
Arequipa, Peru

Average temperature in October - Arequipa, Peru
  • Average high temperature in October: 17.9°C

The warmest month (with the highest average high temperature) is October (17.9°C).
The month with the lowest average high temperature is February (15.2°C).

  • Average low temperature in October: 8.7°C

The month with the highest average low temperature is February (10.7°C).
The coldest month (with the lowest average low temperature) is July (6.7°C).

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Average pressure in October
Arequipa, Peru

Average pressure in October - Arequipa, Peru
  • Average pressure in October: 1016.4mbar

The months with the highest atmospheric pressure are June and July (1018.2mbar).
The months with the lowest atmospheric pressure are February and December (1015.1mbar).

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Average wind speed in October
Arequipa, Peru

Average wind speed in October - Arequipa, Peru
  • Average wind speed in October: 8.4km/h

The windiest month (with the highest average wind speed) is January (9.6km/h).
The calmest month (with the lowest average wind speed) is June (6.5km/h).

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Average humidity in October
Arequipa, Peru

Average humidity in October - Arequipa, Peru
  • Average humidity in October: 46%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (35%).

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Average rainfall in October
Arequipa, Peru

Average rainfall in October - Arequipa, Peru
  • Average rainfall in October: 5mm

The wettest month (with the highest rainfall) is January (81mm).
The driest months (with the least rainfall) are June and August (1mm).

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Average rainfall days in October
Arequipa, Peru

Average rainfall days in October - Arequipa, Peru
  • Average rainfall days in October: 3.5 days

The month with the highest number of rainy days is February (18.2 days).
The month with the least rainy days is August (0.8 days).

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

Average daylight in October / Average sunshine in October - Arequipa, Peru
  • Average daylight in October: 12h and 3min

The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).

  • Average sunshine in October: 9h and 5min

The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is July (Average sunshine: 7h and 36min).

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Average sunshine days in October
Arequipa, Peru

Average sunshine days in October - Arequipa, Peru
  • Average sunshine days in October: 26.7 days

The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is February (8.5 days).

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Average UV index in October
Arequipa, Peru

Average UV index in October - Arequipa, Peru
  • Average UV index in October: 4

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 4).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 4).

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Average cloud cover in October
Arequipa, Peru

Average cloud cover in October - Arequipa, Peru
  • Average cloud cover in October: 8

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 3).

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Average visibility in October
Arequipa, Peru

Average visibility in October - Arequipa, Peru
  • Average visibility in October: 10km

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).

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Arequipa, Peru

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