May weather forecast
San Juan del Sur, Nicaragua

Weather in May

The last month of the spring, May, is another tropical month in San Juan del Sur, Nicaragua, with an average temperature ranging between min 26.3°C (79.3°F) and max 31.3°C (88.3°F).

Temperature

In San Juan del Sur, the average high-temperature in May is almost the same as in April - a still tropical 31.3°C (88.3°F). In San Juan del Sur, in May, the average low-temperature is 26.3°C (79.3°F).

Heat index

The average heat index in May is appraised at a torrid 39.4°C (102.9°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. 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 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, wind, differences in body mass, height, and shape). 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.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In San Juan del Sur, the average relative humidity in May is 73%.

Rainfall

In San Juan del Sur, during May, the rain falls for 20.7 days and regularly aggregates up to 93mm (3.66") of precipitation. Throughout the year, in San Juan del Sur, there are 237.9 rainfall days, and 717mm (28.23") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature is 29°C (84.2°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In San Juan del Sur, Nicaragua, the average length of the day in May is 12h and 39min.
On the first day of the month, sunrise is at 05:24 and sunset at 17:56. On the last day of May, sunrise is at 05:19 and sunset at 18:03 CST.

Sunshine

In May, the average sunshine is 8.8h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in May in San Juan del Sur?

In San Juan del Sur, in May, the average high-temperature is 31.3°C (88.3°F), and the average low-temperature is 26.3°C (79.3°F). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in May is appraised at 39.4°C (102.9°F).

What is the average humidity in May in San Juan del Sur?

In San Juan del Sur, Nicaragua, the average relative humidity in May is 73%.

How many days does it rain in May in San Juan del Sur?

In San Juan del Sur, in May, it is raining for 20.7 days, with typically 93mm (3.66") of accumulated precipitation.

How warm is the water in May in San Juan del Sur?

In San Juan del Sur, the average seawater temperature in May is 29°C (84.2°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does San Juan del Sur have in May?

The average day length in May in San Juan del Sur, Nicaragua, is 12h and 39min.

When is the sunrise / sunset in May in San Juan del Sur?

On the first day of May in San Juan del Sur, Nicaragua, sunrise is at 05:24 and sunset at 17:56. On the last day of the month, sunrise is at 05:19 and sunset at 18:03 CST.

How long on average sun shines in May in San Juan del Sur?

In San Juan del Sur, the average sunshine duration in May is 8.8h.

What is the month with the highest UV index in San Juan del Sur?

The months with the highest UV index in San Juan del Sur, Nicaragua, are January through December, with an average maximum UV index of 7.

When is the lowest UV index in San Juan del Sur?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in San Juan del Sur.

How high is the UV index in May in San Juan del Sur?

In San Juan del Sur, Nicaragua, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.

Average temperature in May
San Juan del Sur, Nicaragua

Average temperature in May - San Juan del Sur, Nicaragua
  • Average high temperature in May: 31.3°C

The warmest month (with the highest average high temperature) is April (31.8°C).
The month with the lowest average high temperature is December (28.8°C).

  • Average low temperature in May: 26.3°C

The month with the highest average low temperature is May (26.3°C).
The coldest months (with the lowest average low temperature) are January, February and December (24.3°C).

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Average pressure in May
San Juan del Sur, Nicaragua

Average pressure in May - San Juan del Sur, Nicaragua
  • Average pressure in May: 1010.5mbar

The month with the highest atmospheric pressure is January (1011.9mbar).
The month with the lowest atmospheric pressure is October (1010.2mbar).

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Average wind speed in May
San Juan del Sur, Nicaragua

Average wind speed in May - San Juan del Sur, Nicaragua
  • Average wind speed in May: 15.5km/h

The windiest month (with the highest average wind speed) is January (26.6km/h).
The calmest month (with the lowest average wind speed) is October (12.3km/h).

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Average humidity in May
San Juan del Sur, Nicaragua

Average humidity in May - San Juan del Sur, Nicaragua
  • Average humidity in May: 73%

The month with the highest relative humidity is October (80%).
The months with the lowest relative humidity are March and April (69%).

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Average rainfall in May
San Juan del Sur, Nicaragua

Average rainfall in May - San Juan del Sur, Nicaragua
  • Average rainfall in May: 93mm

The wettest month (with the highest rainfall) is October (151mm).
The driest month (with the least rainfall) is March (7mm).

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Average rainfall days in May
San Juan del Sur, Nicaragua

Average rainfall days in May - San Juan del Sur, Nicaragua
  • Average rainfall days in May: 20.7 days

The month with the highest number of rainy days is July (27.4 days).
The month with the least rainy days is March (10.6 days).

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Average sea temperature in May
San Juan del Sur, Nicaragua

Average sea temperature in May - San Juan del Sur, Nicaragua
  • Average sea temperature in May: 29°C

The best month for swimming (with the highest average sea temperature) is August (29.3°C).
The coldest month (with the lowest average sea temperature) is February (26.8°C).

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Average daylight in May /
Average sunshine in May
San Juan del Sur, Nicaragua

Average daylight in May / Average sunshine in May - San Juan del Sur, Nicaragua
  • Average daylight in May: 12h and 39min

The month with the longest days is June (Average daylight: 12h and 47min).
The month with the shortest days is December (Average daylight: 11h and 29min).

  • Average sunshine in May: 8.8h

The month with the most sunshine is June (Average sunshine: 9.5h).
The month with the least sunshine is January (Average sunshine: 6.9h).

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Average sunshine days in May
San Juan del Sur, Nicaragua

Average sunshine days in May - San Juan del Sur, Nicaragua
  • Average sunshine days in May: 7.4 days

The month with the most sunshine days is March (13.2 days).
The month with the least sunshine days is July (2 days).

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Average UV index in May
San Juan del Sur, Nicaragua

Average UV index in May - San Juan del Sur, Nicaragua
  • Average UV index in May: 7

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

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Average cloud cover in May
San Juan del Sur, Nicaragua

Average cloud cover in May - San Juan del Sur, Nicaragua
  • Average cloud cover in May: 39

The month with the most cloud cover is July (Cloud cover 51).
The month with the least cloud cover is March (Cloud cover 23).

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Average visibility in May
San Juan del Sur, Nicaragua

Average visibility in May - San Juan del Sur, Nicaragua
  • 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).

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