May weather forecastSanta Bárbara, Guatemala
May
Weather in May
The last month of the spring, May, is another hot month in Santa Bárbara, Guatemala, with temperature in the range of an average low of 20.5°C (68.9°F) and an average high of 30°C (86°F).Temperature
Santa Bárbara's average high-temperature marks a still tropical 30°C (86°F) with the advent of May, closely mirroring that of the preceding month. During May nights, Santa Bárbara records an average temperature of 20.5°C (68.9°F).Heat index
Throughout May, the heat index is evaluated at a sweltering 36°C (96.8°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
The average relative humidity in May is 74%.Rainfall
The month with the most rainfall is May, when the rain falls for 26.4 days and typically aggregates up to 274mm (10.79") of precipitation.Daylight
The average length of the day in May in Santa Bárbara, Guatemala, is 12h and 48min.On the first day of the month, sunrise is at 05:42 and sunset at 18:21. On the last day of May, sunrise is at 05:34 and sunset at 18:30 CST.
Sunshine
In May, the average sunshine in Santa Bárbara, Guatemala, is 10.8h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 6. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In May, a regular UV index of 6 translates into these guidelines:
Shield from overexposure. Defense against sun-related harm is required. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Santa Bárbara, Guatemala
- Average high temperature in May: 30°C
The warmest month (with the highest average high temperature) is March (31.5°C).
The month with the lowest average high temperature is September (28.5°C).
- Average low temperature in May: 20.5°C
The month with the highest average low temperature is May (20.5°C).
The coldest month (with the lowest average low temperature) is December (17.6°C).
Average pressure in May
Santa Bárbara, Guatemala
- Average pressure in May: 1012.3mbar
The month with the highest atmospheric pressure is January (1014.5mbar).
The month with the lowest atmospheric pressure is October (1012.2mbar).
Average wind speed in May
Santa Bárbara, Guatemala
- Average wind speed in May: 5.1km/h
The windiest month (with the highest average wind speed) is March (6.6km/h).
The calmest month (with the lowest average wind speed) is May (5.1km/h).
Average humidity in May
Santa Bárbara, Guatemala
- Average humidity in May: 74%
The months with the highest relative humidity are September and October (79%).
The months with the lowest relative humidity are January, February and March (59%).
Average rainfall in May
Santa Bárbara, Guatemala
- Average rainfall in May: 274mm
The wettest month (with the highest rainfall) is May (274mm).
The driest months (with the least rainfall) are January and February (7mm).
Average rainfall days in May
Santa Bárbara, Guatemala
- Average rainfall days in May: 26.4 days
The month with the highest number of rainy days is September (27.5 days).
The month with the least rainy days is January (4.8 days).
Average daylight in May /
Average sunshine in May
Santa Bárbara, Guatemala
- Average daylight in May: 12h and 48min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in May: 10h and 48min
The months with the most sunshine are April and July (Average sunshine: 11h and 12min).
The month with the least sunshine is November (Average sunshine: 7h and 24min).
Average sunshine days in May
Santa Bárbara, Guatemala
- Average sunshine days in May: 2.9 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is September (1.5 days).
Average UV index in May
Santa Bárbara, Guatemala
- Average UV index in May: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in May
Santa Bárbara, Guatemala
- Average cloud cover in May: 34
The month with the most cloud cover is June (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 12).
Average visibility in May
Santa Bárbara, Guatemala
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).
