May weather forecast
Guayaquil, Ecuador

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Weather in May

May in Guayaquil spells the onset of a tangible shift towards dry conditions and entities a step away from the city's considerable rainfall from the preceding months. This period upholds a tapering trend in precipitation with a drastic drop to 117mm (4.61"), fewer rainfall-innovative days, and a concurrent spike in sunshine hours. Simultaneously, wind behavior maintains a steady mien, unperturbed by the ongoing climatic shift. As the city moves into a drier stride, sea temperatures cool down slightly, a consequence of losing the buffering warm rain.

Temperature

May in Guayaquil welcomes an average high-temperature of a still tropical 31.3°C (88.3°F), not much different from the preceding month. Guayaquil's nighttime temperature during May is consistently averaged at a pleasant 22.2°C (72°F).

Heat index

May's mean heat index is appraised at a blistering 42°C (107.6°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

In May, the average relative humidity is 80%.

Rainfall

In Guayaquil, during May, the rain falls for 25.8 days and regularly aggregates up to 117mm (4.61") of precipitation. In Guayaquil, during the entire year, the rain falls for 235.3 days and collects up to 1397mm (55") of precipitation.

Sea temperature

In Guayaquil, Ecuador, the average seawater temperature in May is 24.8°C (76.6°F).
Note: Factor in your tolerance to cold, the sunshine, the wind, and the air's warmth, and a swim in 24.8°C (76.6°F) might be tempting. It is interesting to note that Olympians compete in 25°C (77°F) to 28°C (82.4°F) water temperatures.

Daylight

In May, the average length of the day is 12h and 1min.
On the first day of the month, sunrise is at 06:15 and sunset at 18:17. On the last day of May, in Guayaquil, sunrise is at 06:17 and sunset at 18:17 -05.

Sunshine

In May, the average sunshine is 8.1h.

UV index

The months with the lowest UV index in Guayaquil are January through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 6 in May translates into this advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
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Frequently asked questions

Is it hot in Guayaquil during May?

An average high-temperature, in May, in Guayaquil, is 31.3°C (88.3°F) and the average low-temperature is 22.2°C (72°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in May is appraised at 42°C (107.6°F).

What is the average humidity in May in Guayaquil?

The average relative humidity in May in Guayaquil is 80%.

How much does it rain in Guayaquil in May?

In Guayaquil, in May, during 25.8 rainfall days, 117mm (4.61") of precipitation is typically accumulated.

What is the sea temperature in May in Guayaquil?

In May, the average sea temperature in Guayaquil, Ecuador, 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.

How many hours of daylight does Guayaquil have in May?

In May, the average day length in Guayaquil is 12h and 1min.

When is the sunrise / sunset in May in Guayaquil?

In May, on the first day of the month, sunrise is at 06:15 and sunset at 18:17. On the last day of the month, in Guayaquil, sunrise is at 06:17 and sunset at 18:17 -05.

How long on average sun shines in May in Guayaquil?

The average sunshine duration in May in Guayaquil, Ecuador, is 8.1h.

When is the lowest UV index in Guayaquil?

The months with the lowest UV index in Guayaquil, Ecuador, are January through August, with an average maximum UV index of 6.

What is the UV index intensity in May in Guayaquil?

The average daily maximum UV index in May in Guayaquil, Ecuador, is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Guayaquil, Ecuador

Average temperature in May - Guayaquil, Ecuador
  • Average high temperature in May: 31.3°C

The warmest month (with the highest average high temperature) is November (32.9°C).
The month with the lowest average high temperature is February (30.7°C).

  • Average low temperature in May: 22.2°C

The month with the highest average low temperature is January (22.8°C).
The coldest month (with the lowest average low temperature) is August (19.9°C).

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Average pressure in May
Guayaquil, Ecuador

Average pressure in May - Guayaquil, Ecuador
  • Average pressure in May: 1013mbar

The month with the highest atmospheric pressure is August (1013.6mbar).
The month with the lowest atmospheric pressure is February (1012.1mbar).

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Average wind speed in May
Guayaquil, Ecuador

Average wind speed in May - Guayaquil, Ecuador
  • Average wind speed in May: 5.7km/h

The windiest month (with the highest average wind speed) is September (8.7km/h).
The calmest month (with the lowest average wind speed) is February (4.6km/h).

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Average humidity in May
Guayaquil, Ecuador

Average humidity in May - Guayaquil, Ecuador
  • Average humidity in May: 80%

The months with the highest relative humidity are February and March (83%).
The month with the lowest relative humidity is November (67%).

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Average rainfall in May
Guayaquil, Ecuador

Average rainfall in May - Guayaquil, Ecuador
  • Average rainfall in May: 117mm

The wettest month (with the highest rainfall) is February (325mm).
The driest month (with the least rainfall) is November (18mm).

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Average rainfall days in May
Guayaquil, Ecuador

Average rainfall days in May - Guayaquil, Ecuador
  • Average rainfall days in May: 25.8 days

The month with the highest number of rainy days is March (29.9 days).
The month with the least rainy days is August (8.8 days).

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Average sea temperature in May
Guayaquil, Ecuador

Average sea temperature in May - Guayaquil, Ecuador
  • Average sea temperature in May: 24.8°C

The best month for swimming (with the highest average sea temperature) is February (25.3°C).
The coldest month (with the lowest average sea temperature) is September (22.6°C).

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Average daylight in May /
Average sunshine in May
Guayaquil, Ecuador

Average daylight in May / Average sunshine in May - Guayaquil, Ecuador
  • Average daylight in May: 12h and 0min

The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 0min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is November (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 6h and 48min).

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Average sunshine days in May
Guayaquil, Ecuador

Average sunshine days in May - Guayaquil, Ecuador
  • Average sunshine days in May: 2.6 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (0.6 days).

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Average UV index in May
Guayaquil, Ecuador

Average UV index in May - Guayaquil, Ecuador
  • Average UV index in May: 6

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

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Average cloud cover in May
Guayaquil, Ecuador

Average cloud cover in May - Guayaquil, Ecuador
  • Average cloud cover in May: 49

The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in May
Guayaquil, Ecuador

Average visibility in May - Guayaquil, Ecuador
  • Average visibility in May: 9km

The months with the highest visibility are July, August, September, October, November and December (10km).
The months with the lowest visibility are February, March and April (8km).

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Guayaquil, Ecuador

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