May weather forecastBertoua, Cameroon
May
Weather in May
May begins the phase of heaviest rainfall with 149mm (5.87") spread over the month, making it one of the wettest monthly periods in Bertoua, Cameroon. This shift in climate is evident with fewer sunshine hours, reduced visibility and increased cloud cover. Alongside this, the temperature falls slightly from the highs of April, therefore creating cooler days. It is remarkable to note the high pressure levels that are characteristic of this month.Temperature
The onset of May brings an average high-temperature of a still tropical 30.4°C (86.7°F), nearly matching the April temperature. In the month of May, the nighttime temperature dips to a steady average of 20.5°C (68.9°F).Heat index
In May, the average heat index is appraised at a fiery hot 39°C (102.2°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.The standards for the heat index are set for locations in shade and under light breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
The average relative humidity in May is 81%.Rainfall
In Bertoua, in May, during 25.8 rainfall days, 149mm (5.87") of precipitation is typically accumulated. In Bertoua, during the entire year, the rain falls for 224.1 days and collects up to 1117mm (43.98") of precipitation.Daylight
The average length of the day in May is 12h and 20min.On the first day of the month, sunrise is at 05:53 and sunset at 18:10. On the last day of May, sunrise is at 05:51 and sunset at 18:14 WAT.
Sunshine
In Bertoua, the average sunshine in May is 10.3h.UV index
In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 6 during May translates into the following directions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bertoua, Cameroon
- Average high temperature in May: 30.4°C
The warmest month (with the highest average high temperature) is February (35.2°C).
The month with the lowest average high temperature is August (26.8°C).
- Average low temperature in May: 20.5°C
The months with the highest average low temperature are February and March (22.1°C).
The coldest month (with the lowest average low temperature) is July (19.2°C).
Average pressure in May
Bertoua, Cameroon
- Average pressure in May: 1011.4mbar
The month with the highest atmospheric pressure is July (1013.5mbar).
The month with the lowest atmospheric pressure is February (1009.2mbar).
Average wind speed in May
Bertoua, Cameroon
- Average wind speed in May: 5.9km/h
The windiest month (with the highest average wind speed) is February (7.7km/h).
The calmest month (with the lowest average wind speed) is October (5.3km/h).
Average humidity in May
Bertoua, Cameroon
- Average humidity in May: 81%
The month with the highest relative humidity is September (90%).
The month with the lowest relative humidity is January (34%).
Average rainfall in May
Bertoua, Cameroon
- Average rainfall in May: 149mm
The wettest month (with the highest rainfall) is October (175mm).
The driest month (with the least rainfall) is December (2mm).
Average rainfall days in May
Bertoua, Cameroon
- Average rainfall days in May: 25.8 days
The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is December (1.9 days).
Average daylight in May /
Average sunshine in May
Bertoua, Cameroon
- Average daylight in May: 12h and 18min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in May: 10h and 18min
The month with the most sunshine is April (Average sunshine: 10h and 24min).
The months with the least sunshine are September and October (Average sunshine: 6h and 42min).
Average sunshine days in May
Bertoua, Cameroon
- Average sunshine days in May: 3.6 days
The month with the most sunshine days is January (28.2 days).
The month with the least sunshine days is August (1.3 days).
Average UV index in May
Bertoua, Cameroon
- Average UV index in May: 6
The months with the highest UV index are January, February, March, April, November and December (UV index 7).
The months with the lowest UV index are July, August and September (UV index 5).
Average cloud cover in May
Bertoua, Cameroon
- Average cloud cover in May: 42
The month with the most cloud cover is August (Cloud cover 64).
The month with the least cloud cover is January (Cloud cover 8).
Average visibility in May
Bertoua, Cameroon
- Average visibility in May: 8km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are August and September (6km).





