May weather forecastGuarujá, Brazil
May weather for Guarujá, Brazil: In Guarujá, Brazil, during the entire year, the rain falls for 197.1 days and collects up to 916mm (36.06") of precipitation. May, July and August, with an average relative humidity of 78%, are the least humid months in Guarujá, Brazil.
May
Weather in May
May witnesses a definitive entry into the autumn season as Guarujá experiences a month of transition in weather patterns, typified by further cooling. Sea temperatures also experience a drop, reducing the allure of water-based activities. Shedding its summer rain pattern, May registers a reduced average rainfall of 54mm (2.13"). The gentle flux in maximum wind speed and slightly lower daylight hours hint at the progression towards winter. Nevertheless, despite these changes, Guarujá’s weather conforms to the pleasant tropical norms experienced throughout the year.Temperature
During May, Guarujá records an average high-temperature of a still moderately hot 23.5°C (74.3°F), marking a slight divergence from April's 25.2°C (77.4°F). Guarujá's May nights witness minimal differential from the daytime temperatures, with averages of 20.2°C (68.4°F).Humidity
The months with the lowest humidity in Guarujá are May, July and August, with an average relative humidity of 78%.Rainfall
In Guarujá, during May, the rain falls for 14.4 days and regularly aggregates up to 54mm (2.13") of precipitation. In Guarujá, Brazil, during the entire year, the rain falls for 197.1 days and collects up to 916mm (36.06") of precipitation.Sea temperature
In May, the average sea temperature is 24.2°C (75.6°F).Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24.2°C (75.6°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)
Daylight
The average length of the day in May is 10h and 58min.On the first day of May, sunrise is at 06:26 and sunset at 17:37. On the last day of the month, sunrise is at 06:40 and sunset at 17:25 -03.
Sunshine
In Guarujá, the average sunshine in May is 8.2h.UV index
In Guarujá, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. 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. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Caution! Sand and water reflections can notably increase the UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Guarujá, Brazil
- Average high temperature in May: 23.5°C
The warmest month (with the highest average high temperature) is February (27.7°C).
The month with the lowest average high temperature is July (21.9°C).
- Average low temperature in May: 20.2°C
The month with the highest average low temperature is February (24.6°C).
The coldest months (with the lowest average low temperature) are July and August (18.3°C).
Average pressure in May
Guarujá, Brazil
- Average pressure in May: 1017.4mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1011.6mbar).
Average wind speed in May
Guarujá, Brazil
- Average wind speed in May: 12km/h
The windiest month (with the highest average wind speed) is November (13.6km/h).
The calmest month (with the lowest average wind speed) is February (11.5km/h).
Average humidity in May
Guarujá, Brazil
- Average humidity in May: 78%
The months with the highest relative humidity are October and November (83%).
The months with the lowest relative humidity are May, July and August (78%).
Average rainfall in May
Guarujá, Brazil
- Average rainfall in May: 54mm
The wettest month (with the highest rainfall) is February (127mm).
The driest month (with the least rainfall) is August (46mm).
Average rainfall days in May
Guarujá, Brazil
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is January (21.8 days).
The month with the least rainy days is August (11 days).
Average sea temperature in May
Guarujá, Brazil
- Average sea temperature in May: 24.2°C
The best month for swimming (with the highest average sea temperature) is February (27°C).
The coldest month (with the lowest average sea temperature) is September (20.7°C).
Average daylight in May /
Average sunshine in May
Guarujá, Brazil
- Average daylight in May: 11h and 0min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in May: 8h and 12min
The month with the most sunshine is February (Average sunshine: 8h and 18min).
The months with the least sunshine are October and November (Average sunshine: 7h and 6min).
Average sunshine days in May
Guarujá, Brazil
- Average sunshine days in May: 14.4 days
The month with the most sunshine days is August (17.8 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in May
Guarujá, Brazil
- Average UV index in May: 6
The months with the highest UV index are January 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
Guarujá, Brazil
- Average cloud cover in May: 32
The month with the most cloud cover is November (Cloud cover 47).
The months with the least cloud cover are May and August (Cloud cover 32).
Average visibility in May
Guarujá, Brazil
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





