May weather forecast
Chamico, São Tomé and Príncipe

May

Weather in May

May signifies noticeable changes in Chamico’s weather. The most significant shift notices temperatures — from a high of 28.6°C (83.5°F) in April to 27.8°C (82°F) now, and from a low of 27.2°C (81°F) in April to 26.3°C (79.3°F) now. The weather transformation between April and May includes an increase of wind speed from 10.9km/h (6.8mph) to 13km/h (8.1mph). Along with an upsurge in overall precipitation, the relative humidity also jumps to 79%, indicating more moist conditions. There is also a notable increase in the number of cloudy days in May, with a 5% jump from 39% cloud cover in April to 44%.

Temperature

In May, Chamico experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 28.6°C (83.5°F) in April to a still moderately hot 27.8°C (82°F). During the nights of May, Chamico maintains an almost steady temperature with an average low of 26.3°C (79.3°F).

Heat index

May's heat index is appraised at a hot 31°C (87.8°F). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

In Chamico, the average relative humidity in May is 79%.

Rainfall

In May, the rain falls for 20.5 days. Throughout May, 122mm (4.8") of precipitation is accumulated. In Chamico, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.

Daylight

The average length of the day in May is 12h and 8min.
On the first day of May in Chamico, sunrise is at 05:26 and sunset at 17:34. On the last day of the month, sunrise is at 05:27 and sunset at 17:35 GMT.

Sunshine

In May, the average sunshine in Chamico is 7.6h.

UV index

The months with the highest UV index are January through May, October through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: In May, the average maximum UV index of 7 translates into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

What are the temperatures in Chamico in May?
In May, the average high-temperature and low-temperature in Chamico, São Tomé and Príncipe, are 27.8°C (82°F) and 26.3°C (79.3°F) respectively. In May, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 31°C (87.8°F).
What is the average humidity in May in Chamico?
In Chamico, the average relative humidity in May is 79%.
How many days does it rain in May in Chamico?
In Chamico, during May, the rain falls for 20.5 days and regularly aggregates up to 122mm (4.8") of precipitation.
How many hours of daylight does Chamico have in May?
In Chamico, the average day length in May is 12h and 8min.
What time are sunrise and sunset in May in Chamico?
In May, on the first day of the month, sunrise is at 05:26 and sunset at 17:34. On the last day of the month, in Chamico, São Tomé and Príncipe, sunrise is at 05:27 and sunset at 17:35 GMT.
How long on average sun shines in May in Chamico?
In Chamico, the average sunshine duration in May is 7.6h.
When is the highest UV index in Chamico?
January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index in Chamico.
How high is the UV index in May in Chamico?
The average daily maximum UV index in May in Chamico is 7. A UV Index 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May - Chamico, São Tomé and Príncipe
Average temperature in May
Chamico, São Tomé and Príncipe
  • Average high temperature in May: 27.8°C

The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is July (24.5°C).

  • Average low temperature in May: 26.3°C

The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is July (23°C).

Average pressure in May - Chamico, São Tomé and Príncipe
Average pressure in May
Chamico, São Tomé and Príncipe
  • Average pressure in May: 1011.3mbar

The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is February (1009.8mbar).

Average wind speed in May - Chamico, São Tomé and Príncipe
Average wind speed in May
Chamico, São Tomé and Príncipe
  • Average wind speed in May: 13km/h

The windiest month (with the highest average wind speed) is July (17.7km/h).
The calmest month (with the lowest average wind speed) is December (10.8km/h).

Average humidity in May - Chamico, São Tomé and Príncipe
Average humidity in May
Chamico, São Tomé and Príncipe
  • Average humidity in May: 79%

The months with the highest relative humidity are August, September and October (83%).
The month with the lowest relative humidity is March (76%).

Average rainfall in May - Chamico, São Tomé and Príncipe
Average rainfall in May
Chamico, São Tomé and Príncipe
  • Average rainfall in May: 122mm

The wettest month (with the highest rainfall) is November (224mm).
The driest month (with the least rainfall) is July (9mm).

Average rainfall days in May - Chamico, São Tomé and Príncipe
Average rainfall days in May
Chamico, São Tomé and Príncipe
  • Average rainfall days in May: 20.5 days

The month with the highest number of rainy days is December (28.6 days).
The month with the least rainy days is June (7.3 days).

Average daylight in May / Average sunshine in May - Chamico, São Tomé and Príncipe
Average daylight in May /
Average sunshine in May
Chamico, São Tomé and Príncipe
  • Average daylight in May: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are January, November and December (Average daylight: 12h and 6min).

  • Average sunshine in May: 7h and 4min

The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).

Average sunshine days in May - Chamico, São Tomé and Príncipe
Average sunshine days in May
Chamico, São Tomé and Príncipe
  • Average sunshine days in May: 9.2 days

The month with the most sunshine days is June (16.4 days).
The month with the least sunshine days is December (1.5 days).

Average UV index in May - Chamico, São Tomé and Príncipe
Average UV index in May
Chamico, São Tomé and Príncipe
  • Average UV index in May: 7

The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).

Average cloud cover in May - Chamico, São Tomé and Príncipe
Average cloud cover in May
Chamico, São Tomé and Príncipe
  • Average cloud cover in May: 44

The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is February (Cloud cover 37).

Average visibility in May - Chamico, São Tomé and Príncipe
Average visibility in May
Chamico, São Tomé and Príncipe
  • Average visibility in May: 10km

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

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