May weather forecastCaiana, Brazil

May

Weather in May

May, the last month of the autumn in Caiana, is also an agreeable month, with an average temperature fluctuating between 22.2°C (72°F) and 13.4°C (56.1°F).

Temperature

The beginning of May records an average high-temperature of a pleasant 22.2°C (72°F), marking a negligible difference from April's 23.9°C (75°F). May nights cool down to an average low-temperature of 13.4°C (56.1°F).

Humidity

The average relative humidity in May is 89%.

Rainfall

In Caiana, during May, the rain falls for 15.8 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, in Caiana, there are 218.5 rainfall days, and 869mm (34.21") of precipitation is accumulated.

Daylight

In May, the average length of the day is 11h and 8min.
On the first day of May, sunrise is at 06:04 and sunset at 17:24. On the last day of the month, sunrise is at 06:16 and sunset at 17:14 -03.

Sunshine

In May, the average sunshine is 7.2h.

UV index

May and November, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In May, a daily UV index of 4 turns into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Updated: Jul 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

May temperatures vary between a high-temperature of 22.2°C (72°F) and a low-temperature of 13.4°C (56.1°F).

In Caiana, Brazil, the average relative humidity in May is 89%.

In Caiana, in May, it is raining for 15.8 days, with typically 34mm (1.34") of accumulated precipitation.

In May, the average day length in Caiana is 11h and 8min.

In May, on the first day of the month, sunrise is at 06:04 and sunset at 17:24. On the last day of the month, sunrise is at 06:16 and sunset at 17:14 -03.

The average sunshine duration in May is 7.2h.

The months with the lowest UV index in Caiana are May and November, with an average maximum UV index of 4.

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Apr

May

Jun

Average high temperature

23.9°C

22.2°C

21.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.9km/h

6km/h

6.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

6.6

10.9

12.8

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Caiana, Brazil

Average high temperature in May: 22.2°C

The warmest month (with the highest average high temperature) is February (25.8°C).
The month with the lowest average high temperature is June (21.6°C).

Average low temperature in May: 13.4°C

The month with the highest average low temperature is January (17.7°C).
The coldest month (with the lowest average low temperature) is July (12.3°C).

Average pressure in May
Caiana, Brazil

Average pressure in May: 1018mbar

The month with the highest atmospheric pressure is July (1021.1mbar).
The month with the lowest atmospheric pressure is December (1012.8mbar).

Average wind speed in May
Caiana, Brazil

Average wind speed in May: 5.5km/h

The windiest month (with the highest average wind speed) is October (8km/h).
The calmest months (with the lowest average wind speed) are April and May (5.5km/h).

Average humidity in May
Caiana, Brazil

Average humidity in May: 89%

The months with the highest relative humidity are March, April and December (90%).
The month with the lowest relative humidity is September (77%).

Average rainfall in May
Caiana, Brazil

Average rainfall in May: 34mm

The wettest month (with the highest rainfall) is December (140mm).
The driest month (with the least rainfall) is July (15mm).

Average rainfall days in May
Caiana, Brazil

Average rainfall days in May: 15.8 days

The month with the highest number of rainy days is March (25 days).
The month with the least rainy days is August (10.3 days).

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

Average daylight in May: 11h and 6min

The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).

Average sunshine in May: 7h and 12min

The month with the most sunshine is September (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).

Average sunshine days in May
Caiana, Brazil

Average sunshine days in May: 10.9 days

The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is December (4.4 days).

Average UV index in May
Caiana, Brazil

Average UV index in May: 4

The months with the highest UV index are January, February, March, April, June, July, August, September, October and December (UV index 5).
The months with the lowest UV index are May and November (UV index 4).

Average cloud cover in May
Caiana, Brazil

Average cloud cover in May: 59

The months with the most cloud cover are November and December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 42).

Average visibility in May
Caiana, Brazil

Average visibility in May: 6km

The months with the highest visibility are August, September and October (8km).
The months with the lowest visibility are January, February, March, April, May, June and December (6km).