May weather forecastFátima, Guinea-Bissau

May

Weather in May

The last month of the spring, May, is also a fiery hot month in Fátima, Guinea-Bissau, with an average temperature fluctuating between 37.6°C (99.7°F) and 23.2°C (73.8°F).

Temperature

May's arrival brings an average high-temperature of a still sweltering 37.6°C (99.7°F), demonstrating subtle variation from the preceding month. Throughout May, Fátima acknowledges a distinct difference between its daytime highs and the steady low average of 23.2°C (73.8°F).

Heat index

The heat index in May is evaluated at a life-threatening hot 53°C (127.4°F). Stay vigilant: Heat cramps along with heat exhaustion are expected. Heatstroke may follow prolonged exertion.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. Elements such as metabolic variations, pregnancy, and physical exertion can shape 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 are especially vital to children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. 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. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

The average relative humidity in May in Fátima is 59%.

Rainfall

In Fátima, during May, the rain falls for 4.4 days and regularly aggregates up to 16mm (0.63") of precipitation. Throughout the year, in Fátima, there are 109.7 rainfall days, and 868mm (34.17") of precipitation is accumulated.

Daylight

The average length of the day in May is 12h and 39min.
On the first day of the month, sunrise is at 06:42 and sunset at 19:14. On the last day of May, in Fátima, Guinea-Bissau, sunrise is at 06:36 and sunset at 19:21 GMT.

Sunshine

In Fátima, the average sunshine in May is 9.7h.

UV index

The months with the highest UV index in Fátima 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 threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum high daily UV index of 7 during May translates into the following directions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

In Fátima, in May, the average high-temperature is 37.6°C (99.7°F), and the average low-temperature is 23.2°C (73.8°F). In May, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 53°C (127.4°F).

In Fátima, the average relative humidity in May is 59%.

In Fátima, Guinea-Bissau, in May, during 4.4 rainfall days, 16mm (0.63") of precipitation is typically accumulated.

The average day length in May is 12h and 39min.

On the first day of May in Fátima, Guinea-Bissau, sunrise is at 06:42 and sunset at 19:14. On the last day of the month, sunrise is at 06:36 and sunset at 19:21 GMT.

In Fátima, Guinea-Bissau, the average sunshine duration in May is 9.7h.

January through July, September through December, with an average maximum UV index of 7, are months with the highest UV index.

In Fátima, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Fátima, 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
Fátima, 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
Fátima, 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
Fátima, 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
Fátima, 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
Fátima, 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
Fátima, Guinea-Bissau

  • Average daylight in May: 12h and 36min

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
Fátima, 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
Fátima, 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
Fátima, 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
Fátima, 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).