Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May brings an average high-temperature of a still moderately hot 27.7°C (81.9°F), subtly diverging from April's 29.7°C (85.5°F). In May, the recorded average low-temperature is a comfortable 19.8°C (67.6°F).Heat index
The average heat index in May is evaluated at a hot 32°C (89.6°F). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Note that heat index values are valued for light wind and location in the shade. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
The average relative humidity in May is 82%.Rainfall
In Santa Gertrudis Sur, Costa Rica, in May, it is raining for 27.2 days, with typically 339mm (13.35") of accumulated precipitation. Throughout the year, there are 272 rainfall days, and 2217mm (87.28") of precipitation is accumulated.Daylight
The average length of the day in May is 12h and 35min.On the first day of May, sunrise is at 05:19 and sunset at 17:48. On the last day of the month, sunrise is at 05:14 and sunset at 17:55 CST.
Sunshine
The average sunshine in May in Santa Gertrudis Sur is 7.8h.UV index
The months with the lowest UV index are May, August and November, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the temperature in May in Santa Gertrudis Sur?
What is the average humidity in May in Santa Gertrudis Sur?
How many days does it rain in May in Santa Gertrudis Sur?
How many hours of daylight does Santa Gertrudis Sur have in May?
When is the sunrise / sunset in May in Santa Gertrudis Sur?
How many hours of sunshine does Santa Gertrudis Sur have in May?
What are the months with the lowest UV index in Santa Gertrudis Sur?
What is the UV index reading in May in Santa Gertrudis Sur?
Average temperature in May
Santa Gertrudis Sur, Costa Rica
- Average high temperature in May: 27.7°C
The warmest months (with the highest average high temperature) are March and April (29.7°C).
The month with the lowest average high temperature is October (25.4°C).
- Average low temperature in May: 19.8°C
The month with the highest average low temperature is May (19.8°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).
Average pressure in May
Santa Gertrudis Sur, Costa Rica
- Average pressure in May: 1011mbar
The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is October (1010.7mbar).
Average wind speed in May
Santa Gertrudis Sur, Costa Rica
- Average wind speed in May: 4.8km/h
The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest month (with the lowest average wind speed) is September (3.8km/h).
Average humidity in May
Santa Gertrudis Sur, Costa Rica
- Average humidity in May: 82%
The month with the highest relative humidity is October (89%).
The month with the lowest relative humidity is March (70%).
Average rainfall in May
Santa Gertrudis Sur, Costa Rica
- Average rainfall in May: 339mm
The wettest month (with the highest rainfall) is October (396mm).
The driest month (with the least rainfall) is February (17mm).
Average rainfall days in May
Santa Gertrudis Sur, Costa Rica
- Average rainfall days in May: 27.2 days
The month with the highest number of rainy days is October (30.2 days).
The month with the least rainy days is February (10.3 days).
Average daylight in May /
Average sunshine in May
Santa Gertrudis Sur, 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 30min).
- Average sunshine in May: 7h and 5min
The month with the most sunshine is March (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 7h and 0min).
Average sunshine days in May
Santa Gertrudis Sur, Costa Rica
- Average sunshine days in May: 2.8 days
The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is September (0.5 days).
Average UV index in May
Santa Gertrudis Sur, Costa Rica
- Average UV index in May: 5
The months with the highest UV index are January, February, March, April, June, July, September, October and December (UV index 6).
The months with the lowest UV index are May, August and November (UV index 5).
Average cloud cover in May
Santa Gertrudis Sur, Costa Rica
- Average cloud cover in May: 46
The month with the most cloud cover is October (Cloud cover 54).
The month with the least cloud cover is February (Cloud cover 19).
Average visibility in May
Santa Gertrudis Sur, Costa Rica
- Average visibility in May: 8km
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are August, September, October and November (7km).
Santa Gertrudis Sur, Costa Rica
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