May weather forecastRio Casca, Brazil

May

Weather in May

The last month of the autumn, May, is another warm month in Rio Casca, Brazil, with an average temperature varying between 14.3°C (57.7°F) and 23.6°C (74.5°F).

Temperature

The commencement of May introduces an average high-temperature of a still warm 23.6°C (74.5°F), closely mirroring the preceding month. Rio Casca's nighttime temperature in May drops to an average of 14.3°C (57.7°F).

Humidity

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

Rainfall

In Rio Casca, in May, it is raining for 13.7 days, with typically 42mm (1.65") of accumulated precipitation. Throughout the year, in Rio Casca, there are 212.2 rainfall days, and 1103mm (43.43") of precipitation is accumulated.

Daylight

In May, the average length of the day in Rio Casca is 11h and 10min.
On the first day of May, sunrise is at 06:07 and sunset at 17:28. On the last day of the month, sunrise is at 06:18 and sunset at 17:18 -03.

Sunshine

In Rio Casca, the average sunshine in May is 7.3h.

UV index

The months with the lowest UV index are February through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

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

Frequently asked questions

The high-temperature during May is 23.6°C (74.5°F) and the low-temperature is 14.3°C (57.7°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in February is appraised at 31°C (87.8°F).

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

In Rio Casca, during May, the rain falls for 13.7 days and regularly aggregates up to 42mm (1.65") of precipitation.

The average day length in May in Rio Casca is 11h and 10min.

In May, on the first day of the month, sunrise is at 06:07 and sunset at 17:28. On the last day of the month, in Rio Casca, Brazil, sunrise is at 06:18 and sunset at 17:18 -03.

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

The months with the lowest UV index in Rio Casca are February through December, with an average maximum UV index of 5.

The average daily maximum UV index in May in Rio Casca is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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

25.2°C

23.6°C

22.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.2km/h

6.3km/h

6.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

5.4

10.9

14.6

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Rio Casca, Brazil

Average high temperature in May: 23.6°C

The warmest month (with the highest average high temperature) is October (27.5°C).
The month with the lowest average high temperature is June (22.9°C).

Average low temperature in May: 14.3°C

The month with the highest average low temperature is December (18.8°C).
The coldest month (with the lowest average low temperature) is July (13.1°C).

Average pressure in May
Rio Casca, Brazil

Average pressure in May: 1018.2mbar

The month with the highest atmospheric pressure is July (1021.2mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).

Average wind speed in May
Rio Casca, Brazil

Average wind speed in May: 5.6km/h

The windiest months (with the highest average wind speed) are September and October (8.3km/h).
The calmest months (with the lowest average wind speed) are April and May (5.6km/h).

Average humidity in May
Rio Casca, Brazil

Average humidity in May: 86%

The months with the highest relative humidity are March and April (88%).
The month with the lowest relative humidity is September (71%).

Average rainfall in May
Rio Casca, Brazil

Average rainfall in May: 42mm

The wettest month (with the highest rainfall) is December (206mm).
The driest month (with the least rainfall) is July (9mm).

Average rainfall days in May
Rio Casca, Brazil

Average rainfall days in May: 13.7 days

The month with the highest number of rainy days is December (26.6 days).
The month with the least rainy days is August (7.9 days).

Average daylight in May /
Average sunshine in May
Rio Casca, Brazil

Average daylight in May: 11h and 12min

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).

Average sunshine in May: 7h and 18min

The month with the most sunshine is September (Average sunshine: 8h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).

Average sunshine days in May
Rio Casca, Brazil

Average sunshine days in May: 10.9 days

The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is December (2.2 days).

Average UV index in May
Rio Casca, Brazil

Average UV index in May: 5

The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 5).

Average cloud cover in May
Rio Casca, Brazil

Average cloud cover in May: 53

The months with the most cloud cover are March, April, November and December (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 35).