May weather forecastCerro de Oro, Guatemala

May weather forecast for Cerro de Oro, Guatemala: The last month of the spring, May, is also a hot month in Cerro de Oro, 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). The heat index, also known as 'feels like' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth.

May

Weather in May

The last month of the spring, May, is also a hot month in Cerro de Oro, 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

Cerro de Oro transitions into May recording an average high-temperature of a still hot 30°C (86°F), closely aligning with the preceding month's temperature. Cerro de Oro records an average nighttime low-temperature of 20.5°C (68.9°F) throughout May.

Heat index

May's heat index is evaluated at a very hot 36°C (96.8°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. 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. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In Cerro de Oro, the average relative humidity in May is 74%.

Rainfall

May is the month with the most rainfall. Rain falls for 26.4 days and accumulates 274mm (10.79") of precipitation.

Daylight

In May, the average length of the day is 12h and 49min.
On the first day of the month, sunrise is at 05:41 and sunset at 18:21. On the last day of May, sunrise is at 05:34 and sunset at 18:30 CST.

Sunshine

In Cerro de Oro, the average sunshine in May is 10.8h.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 6 in May translates into the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

In Cerro de Oro, 30°C (86°F) is the average high-temperature and 20.5°C (68.9°F) is the average low-temperature during May. In May, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 36°C (96.8°F).

The average relative humidity in May is 74%.

May is the month with the most rainfall. Rain falls for 26.4 days and accumulates 274mm (10.79") of precipitation.

In Cerro de Oro, during May, the rain falls for 26.4 days and regularly aggregates up to 274mm (10.79") of precipitation.

In Cerro de Oro, the average day length in May is 12h and 49min.

In May, on the first day of the month, sunrise is at 05:41 and sunset at 18:21. On the last day of the month, sunrise is at 05:34 and sunset at 18:30 CST.

In May, the average sunshine duration is 10.8h.

January through December, with an average maximum UV index of 6, are months with the highest UV index.

January through December, with an average maximum UV index of 6, are months with the lowest UV index.

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Cerro de Oro, 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
Cerro de Oro, 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
Cerro de Oro, 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
Cerro de Oro, 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
Cerro de Oro, 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
Cerro de Oro, 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
Cerro de Oro, 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
Cerro de Oro, 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
Cerro de Oro, 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
Cerro de Oro, 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
Cerro de Oro, 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).