May weather forecast
Tumbes, Peru

Weather in May

May, the last month of the autumn in Tumbes, is also a moderately hot month, with an average temperature ranging between max 27.5°C (81.5°F) and min 22.8°C (73°F).

Temperature

In Tumbes, the average high-temperature in May is essentially the same as in April - a still moderately hot 27.5°C (81.5°F). In May, in Tumbes, the average low-temperature is 22.8°C (73°F).

Heat index

In May, the average heat index is evaluated at a tropical 30.6°C (87.1°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, clothing, metabolic differences). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In May, the average relative humidity in Tumbes, Peru, is 78%.

Rainfall

In Tumbes, Peru, during 13 rainfall days, 23mm (0.91") of precipitation is typically accumulated. In Tumbes, during the entire year, the rain falls for 138.6 days and collects up to 426mm (16.77") of precipitation.

Sea temperature

In Tumbes, in May, the average water temperature is 24.8°C (76.6°F).
Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.8°C (76.6°F).

Daylight

The average length of the day in May is 11h and 58min.
On the first day of May in Tumbes, sunrise is at 06:19 and sunset at 18:18. On the last day of the month, sunrise is at 06:21 and sunset at 18:17 -05.

Sunshine

In May, the average sunshine is 9.1h.

UV index

The months with the lowest UV index in Tumbes are February, May through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in Tumbes?

The average high-temperature, in May, in Tumbes, Peru, is 27.5°C (81.5°F), while the average low-temperature is 22.8°C (73°F). In May, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 30.6°C (87.1°F).

What is the average humidity in May in Tumbes?

In Tumbes, Peru, the average relative humidity in May is 78%.

How much does it rain in Tumbes in May?

In May, in Tumbes, the rain falls for 13 days. Throughout May, 23mm (0.91") of precipitation is accumulated.

What is the sea temperature in May in Tumbes?

In Tumbes, the average seawater temperature in May is 24.8°C (76.6°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.8°C (76.6°F) water.

What is the average length of the day in May in Tumbes?

The average day length in May in Tumbes is 11h and 58min.

When is the sunrise / sunset in May in Tumbes?

On the first day of May in Tumbes, sunrise is at 06:19 and sunset at 18:18. On the last day of the month, sunrise is at 06:21 and sunset at 18:17 -05.

How long on average sun shines in May in Tumbes?

In May, the average sunshine duration is 9.1h.

When is the lowest UV index in Tumbes?

The months with the lowest UV index in Tumbes, Peru, are February, May through December, with an average maximum UV index of 6.

What is the UV index intensity in May in Tumbes?

The average daily maximum UV index in May in Tumbes, Peru, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in May
Tumbes, Peru

Average temperature in May - Tumbes, Peru
  • Average high temperature in May: 27.5°C

The warmest month (with the highest average high temperature) is March (28°C).
The months with the lowest average high temperature are August and September (25.1°C).

  • Average low temperature in May: 22.8°C

The month with the highest average low temperature is February (23.8°C).
The coldest month (with the lowest average low temperature) is August (20.1°C).

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Average pressure in May
Tumbes, Peru

Average pressure in May - Tumbes, Peru
  • Average pressure in May: 1012.2mbar

The month with the highest atmospheric pressure is August (1012.9mbar).
The month with the lowest atmospheric pressure is February (1011.3mbar).

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Average wind speed in May
Tumbes, Peru

Average wind speed in May - Tumbes, Peru
  • Average wind speed in May: 9.2km/h

The windiest month (with the highest average wind speed) is September (11.1km/h).
The calmest months (with the lowest average wind speed) are March and April (8.8km/h).

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Average humidity in May
Tumbes, Peru

Average humidity in May - Tumbes, Peru
  • Average humidity in May: 78%

The months with the highest relative humidity are February and March (80%).
The month with the lowest relative humidity is November (75%).

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Average rainfall in May
Tumbes, Peru

Average rainfall in May - Tumbes, Peru
  • Average rainfall in May: 23mm

The wettest month (with the highest rainfall) is February (135mm).
The driest month (with the least rainfall) is August (1mm).

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Average rainfall days in May
Tumbes, Peru

Average rainfall days in May - Tumbes, Peru
  • Average rainfall days in May: 13 days

The month with the highest number of rainy days is March (26.1 days).
The month with the least rainy days is August (0.9 days).

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Average sea temperature in May
Tumbes, Peru

Average sea temperature in May - Tumbes, Peru
  • Average sea temperature in May: 24.8°C

The best month for swimming (with the highest average sea temperature) is February (25.8°C).
The coldest month (with the lowest average sea temperature) is September (22.1°C).

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Average daylight in May /
Average sunshine in May
Tumbes, Peru

Average daylight in May / Average sunshine in May - Tumbes, Peru
  • Average daylight in May: 11h and 58min

The month with the longest days is December (Average daylight: 12h and 20min).
The month with the shortest days is June (Average daylight: 11h and 55min).

  • Average sunshine in May: 9h and 6min

The month with the most sunshine is November (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 8h and 0min).

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Average sunshine days in May
Tumbes, Peru

Average sunshine days in May - Tumbes, Peru
  • Average sunshine days in May: 12.1 days

The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is February (1.1 days).

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Average UV index in May
Tumbes, Peru

Average UV index in May - Tumbes, Peru
  • Average UV index in May: 6

The months with the highest UV index are January, March and April (UV index 7).
The months with the lowest UV index are February, May, June, July, August, September, October, November and December (UV index 6).

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Average cloud cover in May
Tumbes, Peru

Average cloud cover in May - Tumbes, Peru
  • Average cloud cover in May: 34

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in May
Tumbes, Peru

Average visibility in May - Tumbes, Peru
  • Average visibility in May: 10km

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

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