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 advent of May signifies a minor shift to an average high-temperature of a still warm 27.7°C (81.9°F), aligning closely with April. In the month of May, the temperature in Alfaro generally rests at an average low of 19.8°C (67.6°F).Heat index
The average heat index in May is calculated to be a hot 32°C (89.6°F). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
In Alfaro, the average relative humidity in May is 82%.Rainfall
In May, the rain falls for 27.2 days. Throughout May, 339mm (13.35") of precipitation is accumulated. In Alfaro, Costa Rica, during the entire year, the rain falls for 272 days and collects up to 2217mm (87.28") of precipitation.Daylight
In May, the average length of the day in Alfaro is 12h and 35min.On the first day of the month, sunrise is at 05:20 and sunset at 17:49. On the last day of May, sunrise is at 05:15 and sunset at 17:56 CST.
Sunshine
In Alfaro, the average sunshine in May is 7.8h.UV index
May, August and November, with an average maximum UV index of 5, are months with the lowest UV index in Alfaro. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 5 suggests this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the average May temperature in Alfaro?
What is the average humidity in May in Alfaro?
How many days does it rain in May in Alfaro?
What is the average length of the day in May in Alfaro?
When are sunrise and sunset in May in Alfaro?
How many hours of sunshine does Alfaro have in May?
When is the lowest UV index in Alfaro?
What is the UV index intensity in May in Alfaro?
Average temperature in May
Alfaro, 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
Alfaro, 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
Alfaro, 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
Alfaro, 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
Alfaro, 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
Alfaro, 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
Alfaro, 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
Alfaro, 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
Alfaro, 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
Alfaro, 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
Alfaro, 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).
Alfaro, Costa Rica
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