May weather forecastMariscal Castilla, Peru

May

Weather in May

The last month of the autumn, May, is another warm month in Mariscal Castilla, Peru, with an average temperature varying between 29.6°C (85.3°F) and 19.2°C (66.6°F).

Temperature

Transitioning into May, Mariscal Castilla records an average high-temperature of a still warm 29.6°C (85.3°F), almost identical to April's 29.4°C (84.9°F). In the month of May, Mariscal Castilla witnesses a consistent average low-temperature of 19.2°C (66.6°F).

Heat index

During May, the heat index is estimated at a very hot 37°C (98.6°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

The average relative humidity in May is 81%.

Rainfall

In May, the rain falls for 21.2 days. Throughout May, 93mm (3.66") of precipitation is accumulated. Throughout the year, there are 246.6 rainfall days, and 1162mm (45.75") of precipitation is accumulated.

Daylight

In Mariscal Castilla, the average length of the day in May is 11h and 48min.
On the first day of May, sunrise is at 06:06 and sunset at 17:57. On the last day of the month, sunrise is at 06:10 and sunset at 17:55 -05.

Sunshine

The month with the least sunshine is May, with an average of 6.3h of sunshine.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: In May, the maximum UV index of 6 suggests this advice:
Deflect overexposure. Sun protection is a necessity. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Updated: Aug 12, 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 29.6°C (85.3°F) and 19.2°C (66.6°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in May is estimated at 37°C (98.6°F).

In Mariscal Castilla, the average relative humidity in May is 81%.

In Mariscal Castilla, in May, it is raining for 21.2 days, with typically 93mm (3.66") of accumulated precipitation.

The average day length in May is 11h and 48min.

On the first day of May, sunrise is at 06:06 and sunset at 17:57. On the last day of the month, sunrise is at 06:10 and sunset at 17:55 -05.

May has the least sunshine of the year, with an average of 6.3h of sunshine.

In May, the average sunshine duration in Mariscal Castilla is 6.3h.

January through December, with an average maximum UV index of 6, are months with the highest UV index.

The months with the lowest UV index are January through December, with an average maximum UV index of 6.

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from 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

29.4°C

29.6°C

29.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.4km/h

4.1km/h

4.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

5.6

8.8

10.1

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Mariscal Castilla, Peru

Average high temperature in May: 29.6°C

The warmest month (with the highest average high temperature) is September (31.6°C).
The month with the lowest average high temperature is February (28.9°C).

Average low temperature in May: 19.2°C

The month with the highest average low temperature is November (20.3°C).
The coldest month (with the lowest average low temperature) is July (18°C).

Average pressure in May
Mariscal Castilla, Peru

Average pressure in May: 1013.3mbar

The month with the highest atmospheric pressure is July (1015mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).

Average wind speed in May
Mariscal Castilla, Peru

Average wind speed in May: 3.7km/h

The windiest month (with the highest average wind speed) is December (4.7km/h).
The calmest month (with the lowest average wind speed) is May (3.7km/h).

Average humidity in May
Mariscal Castilla, Peru

Average humidity in May: 81%

The months with the highest relative humidity are February, March and April (82%).
The month with the lowest relative humidity is September (69%).

Average rainfall in May
Mariscal Castilla, Peru

Average rainfall in May: 93mm

The wettest month (with the highest rainfall) is March (136mm).
The driest month (with the least rainfall) is August (62mm).

Average rainfall days in May
Mariscal Castilla, Peru

Average rainfall days in May: 21.2 days

The month with the highest number of rainy days is March (25.3 days).
The month with the least rainy days is August (15.1 days).

Average daylight in May /
Average sunshine in May
Mariscal Castilla, Peru

Average daylight in May: 11h and 48min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).

Average sunshine in May: 6h and 18min

The month with the most sunshine is September (Average sunshine: 9h and 54min).
The month with the least sunshine is May (Average sunshine: 6h and 18min).

Average sunshine days in May
Mariscal Castilla, Peru

Average sunshine days in May: 8.8 days

The month with the most sunshine days is August (14.3 days).
The month with the least sunshine days is February (3.6 days).

Average UV index in May
Mariscal Castilla, Peru

Average UV index in May: 6

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

Average cloud cover in May
Mariscal Castilla, Peru

Average cloud cover in May: 51

The month with the most cloud cover is March (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 34).

Average visibility in May
Mariscal Castilla, Peru

Average visibility in May: 7km

The months with the highest visibility are August and September (9km).
The months with the lowest visibility are January, February, March, April, May and June (7km).