May weather forecastChaclacayo, Peru
May
Weather in May
The last month of the autumn, May, is another pleasant month in Chaclacayo, Peru, with an average temperature ranging between min 15°C (59°F) and max 20.6°C (69.1°F).Temperature
May experiences an average high-temperature of a still pleasant 20.6°C (69.1°F), barely different from April's 21°C (69.8°F). Throughout May, Chaclacayo encounters an average temperature drop to a refreshing 15°C (59°F).Humidity
In Chaclacayo, the average relative humidity in May is 69%.Rainfall
In May, the rain falls for 5.3 days. Throughout May, 6mm (0.24") of precipitation is accumulated. In Chaclacayo, during the entire year, the rain falls for 145.2 days and collects up to 258mm (10.16") of precipitation.Daylight
The average length of the day in May in Chaclacayo is 11h and 34min.On the first day of the month, sunrise is at 06:13 and sunset at 17:54. On the last day of May, sunrise is at 06:20 and sunset at 17:48 -05.
Sunshine
With an average of 7.6h of sunshine, May has the least sunshine of the year in Chaclacayo.UV index
The months with the highest UV index in Chaclacayo, Peru, are January through December, with an average maximum UV index of 5. The months with the lowest UV index in Chaclacayo are January through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 5 suggests these recommendations:
Be vigilant - Preventing sunburn is recommended. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Chaclacayo, Peru
- Average high temperature in May: 20.6°C
The warmest months (with the highest average high temperature) are March and April (21°C).
The month with the lowest average high temperature is July (19.3°C).
- Average low temperature in May: 15°C
The months with the highest average low temperature are February and March (16.7°C).
The coldest months (with the lowest average low temperature) are July and August (12.7°C).
Average pressure in May
Chaclacayo, Peru
- Average pressure in May: 1016.3mbar
The month with the highest atmospheric pressure is August (1017mbar).
The month with the lowest atmospheric pressure is February (1014.3mbar).
Average wind speed in May
Chaclacayo, Peru
- Average wind speed in May: 8.1km/h
The windiest months (with the highest average wind speed) are January and November (9km/h).
The calmest month (with the lowest average wind speed) is June (7.5km/h).
Average humidity in May
Chaclacayo, Peru
- Average humidity in May: 69%
The months with the highest relative humidity are January and February (79%).
The month with the lowest relative humidity is August (60%).
Average rainfall in May
Chaclacayo, Peru
- Average rainfall in May: 6mm
The wettest month (with the highest rainfall) is March (57mm).
The driest months (with the least rainfall) are June and July (1mm).
Average rainfall days in May
Chaclacayo, Peru
- Average rainfall days in May: 5.3 days
The month with the highest number of rainy days is March (27.3 days).
The month with the least rainy days is August (0.9 days).
Average daylight in May /
Average sunshine in May
Chaclacayo, Peru
- Average daylight in May: 11h and 36min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in May: 7h and 36min
The month with the most sunshine is October (Average sunshine: 12h and 6min).
The month with the least sunshine is May (Average sunshine: 7h and 36min).
Average sunshine days in May
Chaclacayo, Peru
- Average sunshine days in May: 18.3 days
The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is March (1.3 days).
Average UV index in May
Chaclacayo, Peru
- Average UV index in May: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in May
Chaclacayo, Peru
- Average cloud cover in May: 9
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 3).
Average visibility in May
Chaclacayo, Peru
- Average visibility in May: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





