May weather forecastHatillo, Dominican Republic

May

Weather in May

May, the last month of the spring in Hatillo, is another warm month, with an average temperature ranging between max 29.1°C (84.4°F) and min 22.3°C (72.1°F).

Temperature

Hatillo, Dominican Republic, records a slight change with May's average high-temperatures adjusting to a still warm 29.1°C (84.4°F) from April's 28.9°C (84°F). May witnesses an average nighttime temperature of 22.3°C (72.1°F).

Heat index

The heat index in May is evaluated at a sweltering 35°C (95°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Note that heat index values are valued for light wind and location in the shade. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

In Hatillo, the average relative humidity in May is 80%.

Rainfall

In May, the rain falls for 18.8 days. Throughout May, 51mm (2.01") of precipitation is accumulated. In Hatillo, during the entire year, the rain falls for 168.6 days and collects up to 443mm (17.44") of precipitation.

Daylight

The average length of the day in May in Hatillo, Dominican Republic, is 13h and 0min.
On the first day of May, sunrise is at 06:14 and sunset at 19:03. On the last day of the month, sunrise is at 06:05 and sunset at 19:14 AST.

Sunshine

May has the least sunshine of the year in Hatillo, with an average of 8.7h of sunshine.

UV index

The months with the highest UV index are May through July, September and October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 in May interprets into the following advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In May, the average high-temperature and low-temperature in Hatillo, Dominican Republic, are 29.1°C (84.4°F) and 22.3°C (72.1°F) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in May is evaluated at 35°C (95°F).

In Hatillo, Dominican Republic, the average relative humidity in May is 80%.

In Hatillo, during May, the rain falls for 18.8 days and regularly aggregates up to 51mm (2.01") of precipitation.

In Hatillo, the average day length in May is 13h and 0min.

In May, on the first day of the month, sunrise is at 06:14 and sunset at 19:03. On the last day of the month, in Hatillo, sunrise is at 06:05 and sunset at 19:14 AST.

The month with the least sunshine in Hatillo is May, with an average of 8.7h of sunshine.

The average sunshine duration in May in Hatillo, Dominican Republic, is 8.7h.

The months with the highest UV index are May through July, September and October, with an average maximum UV index of 7.

The average daily maximum UV index in May in Hatillo is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

28.9°C

29.1°C

29.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.9km/h

10.5km/h

10.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

12.7

10.2

10.7

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Hatillo, Dominican Republic

Average high temperature in May: 29.1°C

The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (27.6°C).

Average low temperature in May: 22.3°C

The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is February (20.2°C).

Average pressure in May
Hatillo, Dominican Republic

Average pressure in May: 1015.1mbar

The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is October (1012.6mbar).

Average wind speed in May
Hatillo, Dominican Republic

Average wind speed in May: 9.4km/h

The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is October (8.5km/h).

Average humidity in May
Hatillo, Dominican Republic

Average humidity in May: 80%

The months with the highest relative humidity are September, October, November and December (81%).
The month with the lowest relative humidity is March (77%).

Average rainfall in May
Hatillo, Dominican Republic

Average rainfall in May: 51mm

The wettest month (with the highest rainfall) is August (86mm).
The driest month (with the least rainfall) is January (9mm).

Average rainfall days in May
Hatillo, Dominican Republic

Average rainfall days in May: 18.8 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (7.3 days).

Average daylight in May /
Average sunshine in May
Hatillo, Dominican Republic

Average daylight in May: 13h and 0min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).

Average sunshine in May: 8h and 42min

The months with the most sunshine are September and November (Average sunshine: 9h and 24min).
The month with the least sunshine is May (Average sunshine: 8h and 42min).

Average sunshine days in May
Hatillo, Dominican Republic

Average sunshine days in May: 10.2 days

The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is July (10.1 days).

Average UV index in May
Hatillo, Dominican Republic

Average UV index in May: 7

The months with the highest UV index are May, June, July, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, August, November and December (UV index 6).

Average cloud cover in May
Hatillo, Dominican Republic

Average cloud cover in May: 35

The month with the most cloud cover is May (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).

Average visibility in May
Hatillo, Dominican Republic

Average visibility in May: 9km

The months with the highest visibility are February, March, November and December (10km).
The months with the lowest visibility are January, April, May, June, July, August, September and October (9km).