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
May
Weather in May
Temperature
As San José de la Montaña transitions from April to May, the average high-temperatures adjust to a still moderately hot 27.7°C (81.9°F), nearly the same as the previous 29.7°C (85.5°F). Throughout the month of May, San José de la Montaña witnesses an average temperature of 19.8°C (67.6°F).Heat index
Throughout May, the heat index is estimated at a hot 32°C (89.6°F). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In May, the average relative humidity is 82%.Rainfall
In May, the rain falls for 27.2 days. Throughout May, 339mm (13.35") of precipitation is accumulated. In San José de la Montaña, during the entire year, the rain falls for 272 days and collects up to 2217mm (87.28") of precipitation.Daylight
The average length of the day in May is 12h and 35min.On the first day of May, sunrise is at 05:18 and sunset at 17:48. On the last day of the month, sunrise is at 05:14 and sunset at 17:54 CST.
Sunshine
In San José de la Montaña, 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. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 during May leads to these advisories:
Undertake precautions - It is suggested to shield oneself from sunburn. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
How many hours of daylight does San José de la Montaña have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
When is the lowest UV index in San José de la Montaña?
What is the UV index intensity in May in San José de la Montaña?
Average temperature in May
San José de la Montaña, 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
San José de la Montaña, 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
San José de la Montaña, 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
San José de la Montaña, 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
San José de la Montaña, 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
San José de la Montaña, 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
San José de la Montaña, 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
San José de la Montaña, 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
San José de la Montaña, 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
San José de la Montaña, 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
San José de la Montaña, 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).
