May weather forecastMampata, Guinea-Bissau
May
Weather in May
May in Mampata further progresses into wet conditions. With rapidly increasing precipitation, the city starts to witness versatile weather, alternating between sunny and rainy spells. A record increase in rainfall to 16mm (0.63") signals the onset of more humid conditions, accompanied by a slight dip in the sunshine hours. Consistently warm temperatures pair with increased precipitation to present a weather dynamic that is both distinctive and engaging. The end of May sees Mampata moving towards its wettest phase of the year.Temperature
As April turns into May, the average high-temperatures rest at a still sweltering 37.6°C (99.7°F), showing a minor variation from the prior month. Mampata marks a considerable descent from the daytime apex, as the average temperature dips to a warm 23.2°C (73.8°F) at night throughout May.Heat index
May's mean heat index is appraised at a life-threatening hot 53°C (127.4°F). Alert: Heat cramps and heat exhaustion are likely to occur. Prolonged exertion can lead to heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
In Mampata, the average relative humidity in May is 59%.Rainfall
In Mampata, in May, during 4.4 rainfall days, 16mm (0.63") of precipitation is typically accumulated. In Mampata, during the entire year, the rain falls for 109.7 days and collects up to 868mm (34.17") of precipitation.Daylight
In May, the average length of the day is 12h and 40min.On the first day of May, sunrise is at 06:39 and sunset at 19:12. On the last day of the month, sunrise is at 06:33 and sunset at 19:19 GMT.
Sunshine
The average sunshine in May in Mampata, Guinea-Bissau, is 9.7h.UV index
The months with the highest UV index in Mampata, Guinea-Bissau, are January through July, September through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 7 in May, converts into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Mampata, Guinea-Bissau
- Average high temperature in May: 37.6°C
The warmest month (with the highest average high temperature) is March (40.2°C).
The month with the lowest average high temperature is August (29.9°C).
- Average low temperature in May: 23.2°C
The month with the highest average low temperature is June (25.1°C).
The coldest month (with the lowest average low temperature) is February (18.5°C).
Average pressure in May
Mampata, Guinea-Bissau
- Average pressure in May: 1011.1mbar
The month with the highest atmospheric pressure is July (1013mbar).
The month with the lowest atmospheric pressure is April (1010mbar).
Average wind speed in May
Mampata, Guinea-Bissau
- Average wind speed in May: 9.4km/h
The windiest month (with the highest average wind speed) is May (9.4km/h).
The calmest month (with the lowest average wind speed) is October (5.7km/h).
Average humidity in May
Mampata, Guinea-Bissau
- Average humidity in May: 59%
The months with the highest relative humidity are August and September (85%).
The month with the lowest relative humidity is January (32%).
Average rainfall in May
Mampata, Guinea-Bissau
- Average rainfall in May: 16mm
The wettest month (with the highest rainfall) is August (286mm).
The driest months (with the least rainfall) are January, February and December (0mm).
Average rainfall days in May
Mampata, Guinea-Bissau
- Average rainfall days in May: 4.4 days
The month with the highest number of rainy days is August (25.7 days).
The months with the least rainy days are January and February (0 days).
Average daylight in May /
Average sunshine in May
Mampata, Guinea-Bissau
- Average daylight in May: 12h and 42min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in May: 9h and 42min
The month with the most sunshine is March (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 5h and 6min).
Average sunshine days in May
Mampata, Guinea-Bissau
- Average sunshine days in May: 25.8 days
The month with the most sunshine days is January (30.9 days).
The month with the least sunshine days is August (4 days).
Average UV index in May
Mampata, Guinea-Bissau
- Average UV index in May: 7
The months with the highest UV index are January, February, March, April, May, June, July, September, October, November and December (UV index 7).
The month with the lowest UV index is August (UV index 6).
Average cloud cover in May
Mampata, Guinea-Bissau
- Average cloud cover in May: 17
The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is March (Cloud cover 7).
Average visibility in May
Mampata, Guinea-Bissau
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are August and September (8km).





