May weather forecast
San Miguel, Costa Rica

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Weather in May

As Costa Rica's Pacific Slope moves towards the annual rainy season, San Miguel weather in May transitions to a significantly wetter climate from April. The month is characterized by considerable increases in rainfall, relative humidity, and cloud cover. The significant weather transition records stand at an average rainfall of a whopping 367mm (14.45"), highest throughout the year. While the mounting humidity reduces the comfort level, mild wind speeds and temperature complement each other to keep the atmosphere soothing. Despite the heavy showers, the tropical charm of San Miguel norms stays alive.

Temperature

San Miguel in May witnesses an average high-temperature of a still warm 23.7°C (74.7°F), indicating a slight variation from April's 25.3°C (77.5°F). The average temperature drops to a refreshing 16.9°C (62.4°F) during the night in the month of May.

Humidity

The average relative humidity in May is 86%.

Rainfall

In San Miguel, in May, it is raining for 29.1 days, with typically 367mm (14.45") of accumulated precipitation. In San Miguel, during the entire year, the rain falls for 305 days and collects up to 2534mm (99.76") of precipitation.

Daylight

The average length of the day in May in San Miguel is 12h and 35min.
On the first day of the month, sunrise is at 05:18 and sunset at 17:47. On the last day of May, in San Miguel, Costa Rica, sunrise is at 05:14 and sunset at 17:53 CST.

Sunshine

The average sunshine in May is 7.3h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 5. January through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The UV index of 5 during May translates into the following guidance:
Heed the precautions - It is counselled to guard against solar damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

What are the temperatures in San Miguel in May?

In May, in San Miguel, the average high-temperature is 23.7°C (74.7°F), and the average low-temperature is 16.9°C (62.4°F).

What is the average humidity in May in San Miguel?

In San Miguel, the average relative humidity in May is 86%.

How much does it rain in San Miguel in May?

In San Miguel, Costa Rica, in May, during 29.1 rainfall days, 367mm (14.45") of precipitation is typically accumulated.

What is the average length of the day in May in San Miguel?

In May, the average day length in San Miguel is 12h and 35min.

What time are sunrise and sunset in May in San Miguel?

On the first day of May in San Miguel, Costa Rica, sunrise is at 05:18 and sunset at 17:47. On the last day of the month, sunrise is at 05:14 and sunset at 17:53 CST.

How long on average sun shines in May in San Miguel?

In May, the average sunshine duration in San Miguel, Costa Rica, is 7.3h.

What is the month with the highest UV index in San Miguel?

The months with the highest UV index in San Miguel are January through December, with an average maximum UV index of 5.

When is the lowest UV index in San Miguel?

January through December, with an average maximum UV index of 5, are months with the lowest UV index.

What is the UV index intensity in May in San Miguel?

In San Miguel, Costa Rica, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from 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
San Miguel, Costa Rica

Average temperature in May - San Miguel, Costa Rica
  • Average high temperature in May: 23.7°C

The warmest month (with the highest average high temperature) is April (25.3°C).
The month with the lowest average high temperature is October (22.2°C).

  • Average low temperature in May: 16.9°C

The month with the highest average low temperature is May (16.9°C).
The coldest month (with the lowest average low temperature) is January (13.7°C).

Average pressure in May
San Miguel, Costa Rica

Average pressure in May - San Miguel, Costa Rica
  • Average pressure in May: 1011.3mbar

The month with the highest atmospheric pressure is January (1012.4mbar).
The month with the lowest atmospheric pressure is October (1010.9mbar).

Average wind speed in May
San Miguel, Costa Rica

Average wind speed in May - San Miguel, Costa Rica
  • Average wind speed in May: 4.4km/h

The windiest month (with the highest average wind speed) is February (8.6km/h).
The calmest month (with the lowest average wind speed) is September (3.7km/h).

Average humidity in May
San Miguel, Costa Rica

Average humidity in May - San Miguel, Costa Rica
  • Average humidity in May: 86%

The month with the highest relative humidity is October (90%).
The month with the lowest relative humidity is February (76%).

Average rainfall in May
San Miguel, Costa Rica

Average rainfall in May - San Miguel, Costa Rica
  • Average rainfall in May: 367mm

The wettest month (with the highest rainfall) is October (444mm).
The driest month (with the least rainfall) is February (33mm).

Average rainfall days in May
San Miguel, Costa Rica

Average rainfall days in May - San Miguel, Costa Rica
  • Average rainfall days in May: 29.1 days

The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (14.9 days).

Average daylight in May /
Average sunshine in May
San Miguel, Costa Rica

Average daylight in May / Average sunshine in May - San Miguel, Costa Rica
  • Average daylight in May: 12h and 4min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).

  • Average sunshine in May: 7h and 2min

The month with the most sunshine is February (Average sunshine: 9h and 6min).
The month with the least sunshine is October (Average sunshine: 6h and 30min).

Average sunshine days in May
San Miguel, Costa Rica

Average sunshine days in May - San Miguel, Costa Rica
  • Average sunshine days in May: 1.2 days

The month with the most sunshine days is February (10.4 days).
The month with the least sunshine days is October (0.1 days).

Average UV index in May
San Miguel, Costa Rica

Average UV index in May - San Miguel, Costa Rica
  • 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
San Miguel, Costa Rica

Average cloud cover in May - San Miguel, Costa Rica
  • Average cloud cover in May: 55

The month with the most cloud cover is October (Cloud cover 61).
The month with the least cloud cover is February (Cloud cover 31).

Average visibility in May
San Miguel, Costa Rica

Average visibility in May - San Miguel, Costa Rica
  • Average visibility in May: 7km

The months with the highest visibility are January, February and March (9km).
The months with the lowest visibility are September and October (6km).

San Miguel, Costa Rica

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