May weather forecast
Arequipa, Peru

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Weather in May

May sees a further drop in temperatures, and the weather in Arequipa becomes cooler. This is accompanied by an overall reduction in humidity and rainfall, rendering the air crisp and clear. The wind, already light in previous months, continues to blow gently, and the cloud cover is minimized. Additionally, while the day's length shrinks slightly, the clarity and brightness of the days remain as sunlight persists for most of the day. May distinguishes itself with an almost arid weather pattern, with rainfall dropping to a scant 2mm (0.08") compared to 17mm (0.67") in April.

Temperature

May ushers in an average high-temperature of a still comfortable 16.7°C (62.1°F), aligning closely with the preceding month. Arequipa's temperature in May lowers to a consistent average of 8.8°C (47.8°F) during the nights.

Humidity

In May, the average relative humidity is 48%.

Rainfall

In May, in Arequipa, the rain falls for 2.4 days. Throughout May, 2mm (0.08") 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 May is 11h and 21min.
On the first day of May, sunrise is at 05:58 and sunset at 17:28. On the last day of the month, sunrise is at 06:07 and sunset at 17:20 -05.

Sunshine

In Arequipa, the average sunshine in May is 8.1h.

UV index

January through December, with an average maximum UV index of 4, are months with the highest UV index in Arequipa. January through December, with an average maximum UV index of 4, are months with the lowest UV index in Arequipa, Peru. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 4 suggests this advice:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun is at its strongest around midday, find shade and limit exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What is the average May temperature in Arequipa?

The high-temperature, in May, in Arequipa, is 16.7°C (62.1°F), while the low-temperature averages to 8.8°C (47.8°F).

What is the average humidity in May in Arequipa?

The average relative humidity in May is 48%.

How many days does it rain in May in Arequipa?

In May, the rain falls for 2.4 days. Throughout May, 2mm (0.08") of precipitation is accumulated.

How many hours of daylight does Arequipa have in May?

In Arequipa, the average day length in May is 11h and 21min.

When is the sunrise / sunset in May in Arequipa?

In May, on the first day of the month, sunrise is at 05:58 and sunset at 17:28. On the last day of the month, sunrise is at 06:07 and sunset at 17:20 -05.

How many hours of sunshine does Arequipa have in May?

In May, the average sunshine duration in Arequipa, Peru, is 8.1h.

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, Peru.

When is the lowest UV index in Arequipa?

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

How high is the UV index in May in Arequipa?

In May, the average daily maximum UV index in Arequipa is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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 May
Arequipa, Peru

Average temperature in May - Arequipa, Peru
  • Average high temperature in May: 16.7°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 May: 8.8°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 May
Arequipa, Peru

Average pressure in May - Arequipa, Peru
  • Average pressure in May: 1017.7mbar

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 May
Arequipa, Peru

Average wind speed in May - Arequipa, Peru
  • Average wind speed in May: 6.8km/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 May
Arequipa, Peru

Average humidity in May - Arequipa, Peru
  • Average humidity in May: 48%

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 May
Arequipa, Peru

Average rainfall in May - Arequipa, Peru
  • Average rainfall in May: 2mm

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 May
Arequipa, Peru

Average rainfall days in May - Arequipa, Peru
  • Average rainfall days in May: 2.4 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 May /
Average sunshine in May
Arequipa, Peru

Average daylight in May / Average sunshine in May - Arequipa, Peru
  • Average daylight in May: 11h and 2min

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 May: 8h and 1min

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 May
Arequipa, Peru

Average sunshine days in May - Arequipa, Peru
  • Average sunshine days in May: 27.9 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 May
Arequipa, Peru

Average UV index in May - Arequipa, Peru
  • Average UV index in May: 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 May
Arequipa, Peru

Average cloud cover in May - Arequipa, Peru
  • Average cloud cover in May: 7

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 May
Arequipa, Peru

Average visibility in May - Arequipa, Peru
  • Average visibility in May: 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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