May weather forecastAstillero, Guatemala
May weather forecast for Astillero, Guatemala: When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. The average heat index, which represents the influence of relative humidity on air temperature, in May is appraised at 43°C (109.4°F).
May
Weather in May
The last month of the spring, May, is also a hot month in Astillero, Guatemala, with an average temperature ranging between max 33.1°C (91.6°F) and min 26.4°C (79.5°F).Temperature
A minor adjustment in Astillero's average high-temperature is noted with the start of May, touching a still hot 33.1°C (91.6°F) from April's 33.3°C (91.9°F). Throughout May, the temperature tends to fall to a consistent average low of 26.4°C (79.5°F).Heat index
Throughout May, the heat index is appraised at an extremely hot 43°C (109.4°F). Notice: Heat cramps and heat exhaustion are likely. Continued strenuous activity might lead to heatstroke.Note that heat index values are valued for light wind and location in the shade. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. 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 hold great significance to children. 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.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
The average relative humidity in May is 68%.Rainfall
In Astillero, in May, during 23.8 rainfall days, 114mm (4.49") of precipitation is typically accumulated. Throughout the year, there are 190.7 rainfall days, and 718mm (28.27") of precipitation is accumulated.Daylight
In Astillero, the average length of the day in May is 12h and 46min.On the first day of the month, sunrise is at 05:39 and sunset at 18:17. On the last day of May, sunrise is at 05:32 and sunset at 18:25 CST.
Sunshine
In Astillero, the average sunshine in May is 11.2h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 7 in May transforms into this advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Astillero, Guatemala
- Average high temperature in May: 33.1°C
The warmest month (with the highest average high temperature) is April (33.3°C).
The month with the lowest average high temperature is October (31.5°C).
- Average low temperature in May: 26.4°C
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.7°C).
Average pressure in May
Astillero, Guatemala
- Average pressure in May: 1011.6mbar
The month with the highest atmospheric pressure is January (1013.7mbar).
The month with the lowest atmospheric pressure is October (1011.5mbar).
Average wind speed in May
Astillero, Guatemala
- Average wind speed in May: 7.8km/h
The windiest month (with the highest average wind speed) is March (9.2km/h).
The calmest months (with the lowest average wind speed) are June and October (7.5km/h).
Average humidity in May
Astillero, Guatemala
- Average humidity in May: 68%
The months with the highest relative humidity are September and October (74%).
The month with the lowest relative humidity is March (60%).
Average rainfall in May
Astillero, Guatemala
- Average rainfall in May: 114mm
The wettest month (with the highest rainfall) is October (159mm).
The driest month (with the least rainfall) is January (3mm).
Average rainfall days in May
Astillero, Guatemala
- Average rainfall days in May: 23.8 days
The month with the highest number of rainy days is September (26.2 days).
The month with the least rainy days is January (3.1 days).
Average daylight in May /
Average sunshine in May
Astillero, Guatemala
- Average daylight in May: 12h and 48min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in May: 11h and 12min
The months with the most sunshine are April and July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 7h and 42min).
Average sunshine days in May
Astillero, Guatemala
- Average sunshine days in May: 4.9 days
The month with the most sunshine days is January (25.8 days).
The month with the least sunshine days is September (2 days).
Average UV index in May
Astillero, Guatemala
- Average UV index in May: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in May
Astillero, Guatemala
- Average cloud cover in May: 31
The month with the most cloud cover is June (Cloud cover 34).
The month with the least cloud cover is December (Cloud cover 10).
Average visibility in May
Astillero, Guatemala
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
