May weather forecastGalvão, Brazil

May

Weather in May

The last month of the autumn, May, is also an agreeable month in Galvão, Brazil, with temperature in the range of an average high of 20.8°C (69.4°F) and an average low of 12.2°C (54°F).

Temperature

The beginning of May subtly marks a decrease in the average high-temperature, transitioning from a warm 24.6°C (76.3°F) in April to a pleasant 20.8°C (69.4°F). An average low-temperature of 12.2°C (54°F) is anticipated throughout the nights in Galvão during May.

Humidity

In Galvão, the average relative humidity in May is 86%.

Rainfall

The month with the most rainfall is May, when the rain falls for 15.1 days and typically aggregates up to 131mm (5.16") of precipitation.

Daylight

The average length of the day in May in Galvão is 10h and 49min.
On the first day of the month, sunrise is at 06:55 and sunset at 18:00. On the last day of May, sunrise is at 07:10 and sunset at 17:46 -03.

Sunshine

The month with the least sunshine is May, with an average of 7.3h of sunshine.

UV index

April through June, with an average maximum UV index of 4, are months with the lowest UV index in Galvão. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: In May, the maximum UV index of 4 transforms into these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Galvão, 20.8°C (69.4°F) is the average high-temperature and 12.2°C (54°F) is the average low-temperature during May. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in February is estimated at 32°C (89.6°F).

In Galvão, the average relative humidity in May is 86%.

May is the month with the most rainfall in Galvão, Brazil. Rain falls for 15.1 days and accumulates 131mm (5.16") of precipitation.

In May, in Galvão, the rain falls for 15.1 days. Throughout May, 131mm (5.16") of precipitation is accumulated.

In Galvão, Brazil, the average day length in May is 10h and 49min.

In May, on the first day of the month, sunrise is at 06:55 and sunset at 18:00. On the last day of the month, in Galvão, Brazil, sunrise is at 07:10 and sunset at 17:46 -03.

May has the least sunshine of the year in Galvão, Brazil, with an average of 7.3h of sunshine.

In May, the average sunshine duration in Galvão, Brazil, is 7.3h.

The months with the lowest UV index in Galvão are April through June, with an average maximum UV index of 4.

The average daily maximum UV index in May in Galvão is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

24.6°C

20.8°C

18.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.3km/h

9.8km/h

10.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

14.7

13.8

16.7

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Galvão, Brazil

Average high temperature in May: 20.8°C

The warmest month (with the highest average high temperature) is January (27.8°C).
The month with the lowest average high temperature is June (18.8°C).

Average low temperature in May: 12.2°C

The month with the highest average low temperature is January (17.8°C).
The coldest month (with the lowest average low temperature) is July (10.3°C).

Average pressure in May
Galvão, Brazil

Average pressure in May: 1017.3mbar

The month with the highest atmospheric pressure is July (1019.3mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).

Average wind speed in May
Galvão, Brazil

Average wind speed in May: 9.1km/h

The windiest month (with the highest average wind speed) is August (10.1km/h).
The calmest month (with the lowest average wind speed) is March (8.6km/h).

Average humidity in May
Galvão, Brazil

Average humidity in May: 86%

The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is September (77%).

Average rainfall in May
Galvão, Brazil

Average rainfall in May: 131mm

The wettest month (with the highest rainfall) is May (131mm).
The driest month (with the least rainfall) is August (67mm).

Average rainfall days in May
Galvão, Brazil

Average rainfall days in May: 15.1 days

The month with the highest number of rainy days is January (19.8 days).
The month with the least rainy days is August (11.2 days).

Average daylight in May /
Average sunshine in May
Galvão, Brazil

Average daylight in May: 10h and 48min

The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).

Average sunshine in May: 7h and 18min

The months with the most sunshine are April and November (Average sunshine: 8h and 36min).
The month with the least sunshine is May (Average sunshine: 7h and 18min).

Average sunshine days in May
Galvão, Brazil

Average sunshine days in May: 13.8 days

The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is February (8.9 days).

Average UV index in May
Galvão, Brazil

Average UV index in May: 4

The months with the highest UV index are January, November and December (UV index 6).
The months with the lowest UV index are April, May and June (UV index 4).