May weather forecast
San Gregorio de Nigua, Dominican Republic

The last month of the spring, May, is another warm month in San Gregorio de Nigua, Dominican Republic, with temperature in the range of an average low of 22.3°C (72.1°F) and an average high of 29.1°C (84.4°F).

Temperature

The arrival of May marks a slight shift to an average high-temperature of a still warm 29.1°C (84.4°F) from April's 28.9°C (84°F). San Gregorio de Nigua's nights in May cool down to an average low-temperature of 22.3°C (72.1°F).

Heat index

May's heat index is appraised at a torrid 35°C (95°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Heat index data is primarily for areas with shade and subjected to light winds. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In San Gregorio de Nigua, the average relative humidity in May is 80%.

Rainfall

In San Gregorio de Nigua, Dominican Republic, in May, during 18.8 rainfall days, 51mm (2.01") of precipitation is typically accumulated. In San Gregorio de Nigua, during the entire year, the rain falls for 168.6 days and collects up to 443mm (17.44") of precipitation.

Daylight

In San Gregorio de Nigua, the average length of the day in May is 13h and 0min.
On the first day of the month, sunrise is at 06:12 and sunset at 19:01. On the last day of May, in San Gregorio de Nigua, sunrise is at 06:03 and sunset at 19:12 AST.

Sunshine

May has the least sunshine of the year in San Gregorio de Nigua, with an average of 8.7h of sunshine.

UV index

The months with the highest UV index in San Gregorio de Nigua are May through July, September and October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 7 in May translates into these instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Boost your sun resistance with garments that are densely woven yet spacious.