May weather forecastTacna, Peru
May
Weather in May
Characterized by further drop in temperatures, May indicates Tacna's shift towards cooler climes. As the rainfall drops down to a scanty 3mm (0.12"), clear skies and dry days become more common. The reduction in humidity complements the mildly cold winds that sweep across the city. Sunshine-filled days continue to be a part of the daily life, albeit less frequently. May brims with the fresh coolnness, signalling the impending onset of winter.Temperature
May's arrival brings an average high-temperature of a still agreeable 20.4°C (68.7°F), slightly deviating from April's 21.6°C (70.9°F). The average low-temperature of 14.8°C (58.6°F) is witnessed during May.Humidity
The average relative humidity in May is 73%.Rainfall
In May, in Tacna, the rain falls for 3.7 days. Throughout May, 3mm (0.12") of precipitation is accumulated. Throughout the year, in Tacna, there are 63.2 rainfall days, and 83mm (3.27") of precipitation is accumulated.Daylight
In Tacna, the average length of the day in May is 11h and 16min.On the first day of May, sunrise is at 05:54 and sunset at 17:21. On the last day of the month, sunrise is at 06:05 and sunset at 17:12 -05.
Sunshine
In May, the average sunshine is 8.6h.UV index
March through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Tacna, Peru
- Average high temperature in May: 20.4°C
The warmest months (with the highest average high temperature) are February and March (23°C).
The month with the lowest average high temperature is July (18.6°C).
- Average low temperature in May: 14.8°C
The month with the highest average low temperature is February (17.9°C).
The coldest month (with the lowest average low temperature) is August (11.9°C).
Average pressure in May
Tacna, Peru
- Average pressure in May: 1016.5mbar
The month with the highest atmospheric pressure is July (1017.2mbar).
The month with the lowest atmospheric pressure is February (1013.6mbar).
Average wind speed in May
Tacna, Peru
- Average wind speed in May: 8.3km/h
The windiest month (with the highest average wind speed) is November (10.4km/h).
The calmest month (with the lowest average wind speed) is July (7.4km/h).
Average humidity in May
Tacna, Peru
- Average humidity in May: 73%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are August and September (68%).
Average rainfall in May
Tacna, Peru
- Average rainfall in May: 3mm
The wettest month (with the highest rainfall) is January (24mm).
The driest months (with the least rainfall) are June, July, August and September (1mm).
Average rainfall days in May
Tacna, Peru
- Average rainfall days in May: 3.7 days
The month with the highest number of rainy days is February (14 days).
The month with the least rainy days is August (0.2 days).
Average daylight in May /
Average sunshine in May
Tacna, Peru
- Average daylight in May: 11h and 18min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is December (Average sunshine: 11h and 42min).
The months with the least sunshine are June and July (Average sunshine: 7h and 36min).
Average sunshine days in May
Tacna, Peru
- Average sunshine days in May: 17.1 days
The month with the most sunshine days is August (28.2 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in May
Tacna, Peru
- Average UV index in May: 5
The months with the highest UV index are January and February (UV index 6).
The months with the lowest UV index are March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in May
Tacna, Peru
- Average cloud cover in May: 9
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in May
Tacna, Peru
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
