May weather forecastCastillos, Uruguay

May

Weather in May

The last month of the autumn, May, is also an enjoyable month in Castillos, Uruguay, with an average temperature varying between 11.6°C (52.9°F) and 18.6°C (65.5°F).

Temperature

A modest decline in the average high-temperature is seen during May, decreasing from a pleasant 22°C (71.6°F) in April to an enjoyable 18.6°C (65.5°F). During the month of May, Castillos anticipates a mean low-temperature of 11.6°C (52.9°F).

Humidity

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

Rainfall

In Castillos, in May, during 10 rainfall days, 51mm (2.01") of precipitation is typically accumulated. In Castillos, during the entire year, the rain falls for 129.5 days and collects up to 692mm (27.24") of precipitation.

Daylight

In May, the average length of the day is 10h and 20min.
On the first day of May, sunrise is at 07:11 and sunset at 17:53. On the last day of the month, sunrise is at 07:32 and sunset at 17:33 -03.

Sunshine

In May, the average sunshine is 5.5h.

UV index

The months with the lowest UV index are April through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 4 in May translates into the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

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

Frequently asked questions

The average high-temperature and low-temperature during May are 18.6°C (65.5°F) and 11.6°C (52.9°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in February is appraised at 29°C (84.2°F).

The average relative humidity in May in Castillos is 79%.

In Castillos, during May, the rain falls for 10 days and regularly aggregates up to 51mm (2.01") of precipitation.

In May, the average day length is 10h and 20min.

In May, on the first day of the month, sunrise is at 07:11 and sunset at 17:53. On the last day of the month, sunrise is at 07:32 and sunset at 17:33 -03.

The average sunshine duration in May is 5.5h.

April through September, with an average maximum UV index of 4, are months with the lowest UV index.

The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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

22°C

18.6°C

15.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

16.2km/h

15.6km/h

17.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

17.2

19.3

18.9

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Castillos, Uruguay

Average high temperature in May: 18.6°C

The warmest month (with the highest average high temperature) is January (28.1°C).
The month with the lowest average high temperature is July (14.6°C).

Average low temperature in May: 11.6°C

The month with the highest average low temperature is February (18.3°C).
The coldest month (with the lowest average low temperature) is July (7.9°C).

Average pressure in May
Castillos, Uruguay

Average pressure in May: 1017.9mbar

The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).

Average wind speed in May
Castillos, Uruguay

Average wind speed in May: 14.7km/h

The windiest month (with the highest average wind speed) is September (17.6km/h).
The calmest month (with the lowest average wind speed) is May (14.7km/h).

Average humidity in May
Castillos, Uruguay

Average humidity in May: 79%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (68%).

Average rainfall in May
Castillos, Uruguay

Average rainfall in May: 51mm

The wettest month (with the highest rainfall) is August (84mm).
The driest month (with the least rainfall) is March (45mm).

Average rainfall days in May
Castillos, Uruguay

Average rainfall days in May: 10 days

The months with the highest number of rainy days are March and October (12 days).
The month with the least rainy days is June (9.1 days).

Average daylight in May /
Average sunshine in May
Castillos, Uruguay

Average daylight in May: 10h and 18min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

Average sunshine in May: 5h and 30min

The month with the most sunshine is January (Average sunshine: 10h and 30min).
The month with the least sunshine is July (Average sunshine: 5h and 24min).

Average sunshine days in May
Castillos, Uruguay

Average sunshine days in May: 19.3 days

The month with the most sunshine days is January (19.4 days).
The month with the least sunshine days is February (15.3 days).

Average UV index in May
Castillos, Uruguay

Average UV index in May: 4

The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).

Average cloud cover in May
Castillos, Uruguay

Average cloud cover in May: 39

The month with the most cloud cover is September (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).

Average visibility in May
Castillos, Uruguay

Average visibility in May: 9km

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