May weather forecastGuilmaro, Benin
May
Weather in May
The last month of the spring, May, is another torrid month in Guilmaro, Benin, with an average temperature fluctuating between 36.4°C (97.5°F) and 25°C (77°F).Temperature
The transition into May notes an average high-temperature of a still very hot 36.4°C (97.5°F), revealing a mild distinction from the 38.3°C (100.9°F) in April. In Guilmaro, May nights cool down to an average of 25°C (77°F).Heat index
The average heat index in May is appraised at a blazing hot 47°C (116.6°F). Careful: Heat exhaustion and heat cramps are anticipated. With ongoing exertion, heatstroke becomes a possibility.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
Humidity
The average relative humidity in May in Guilmaro is 55%.Rainfall
In Guilmaro, during May, the rain falls for 16 days and regularly aggregates up to 91mm (3.58") of precipitation. Throughout the year, there are 151.6 rainfall days, and 714mm (28.11") of precipitation is accumulated.Daylight
In Guilmaro, the average length of the day in May is 12h and 37min.On the first day of the month, sunrise is at 06:34 and sunset at 19:05. On the last day of May, in Guilmaro, Benin, sunrise is at 06:29 and sunset at 19:11 WAT.
Sunshine
In Guilmaro, Benin, the average sunshine in May is 9.5h.UV index
In May, the average daily maximum UV index in Guilmaro is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, a daily maximum UV index of 7 leads to the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Guilmaro, Benin
- Average high temperature in May: 36.4°C
The warmest month (with the highest average high temperature) is March (39.3°C).
The month with the lowest average high temperature is August (28.9°C).
- Average low temperature in May: 25°C
The month with the highest average low temperature is April (25.2°C).
The coldest month (with the lowest average low temperature) is January (18.2°C).
Average pressure in May
Guilmaro, Benin
- Average pressure in May: 1009.7mbar
The months with the highest atmospheric pressure are July and August (1012.5mbar).
The month with the lowest atmospheric pressure is April (1008.3mbar).
Average wind speed in May
Guilmaro, Benin
- Average wind speed in May: 7.8km/h
The windiest months (with the highest average wind speed) are January and December (8.3km/h).
The calmest month (with the lowest average wind speed) is September (5.4km/h).
Average humidity in May
Guilmaro, Benin
- Average humidity in May: 55%
The month with the highest relative humidity is August (85%).
The month with the lowest relative humidity is January (17%).
Average rainfall in May
Guilmaro, Benin
- Average rainfall in May: 91mm
The wettest month (with the highest rainfall) is August (164mm).
The driest months (with the least rainfall) are January and December (0mm).
Average rainfall days in May
Guilmaro, Benin
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is August (28.2 days).
The month with the least rainy days is December (0 days).
Average daylight in May /
Average sunshine in May
Guilmaro, Benin
- Average daylight in May: 12h and 36min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in May: 9h and 30min
The months with the most sunshine are January, November and December (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 6h and 30min).
Average sunshine days in May
Guilmaro, Benin
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is December (30.9 days).
The month with the least sunshine days is August (1.5 days).
Average UV index in May
Guilmaro, Benin
- Average UV index in May: 7
The months with the highest UV index are March and April (UV index 8).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover in May
Guilmaro, Benin
- Average cloud cover in May: 23
The month with the most cloud cover is August (Cloud cover 55).
The month with the least cloud cover is December (Cloud cover 3).
Average visibility in May
Guilmaro, Benin
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are August and September (8km).





