April weather forecastCallao, Peru
April
Weather in April
April in Callao, Peru marks the inception of autumn, reflected in a slight fall in temperature from March, to a comfortable range. The visible length of the day begins to shorten, subtly hinting at the approaching winter season. Occasional rain showers envelop the city, balancing the humidity levels. Favorably, the sea temperature stays at a relatively mild 19.5°C (67.1°F), prolonging the beach season. Meanwhile, the wind speed escalates, casting cool breezes over the city.Temperature
April's beginning signals an average high-temperature of a still warm 23.4°C (74.1°F), barely different from March's 24.7°C (76.5°F). Throughout April, Callao's nights experience a slight temperature dip to an enjoyable 19.7°C (67.5°F).Humidity
In Callao, the average relative humidity in April is 80%.Rainfall
January, April, May, September through December are months with the least rain when the rain falls for 2.1 days and typically aggregates up to 1mm (0.04") of rain.Sea temperature
In Callao, the average seawater temperature in April is 19.5°C (67.1°F).Note: For the majority of people, swimming in water at 19.5°C (67.1°F) is not enjoyable. The challenge of controlling breathing escalates as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
In April, the average length of the day is 11h and 50min.On the first day of the month, sunrise is at 06:12 and sunset at 18:11. On the last day of April, sunrise is at 06:15 and sunset at 17:56 -05.
Sunshine
In Callao, the average sunshine in April is 8.9h.UV index
The months with the highest UV index are January through April and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 6 in April leads to these recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Callao, Peru
- Average high temperature in April: 23.4°C
The warmest month (with the highest average high temperature) is February (25.1°C).
The month with the lowest average high temperature is August (19.8°C).
- Average low temperature in April: 19.7°C
The month with the highest average low temperature is February (21.6°C).
The coldest month (with the lowest average low temperature) is August (15.2°C).
Average pressure in April
Callao, Peru
- Average pressure in April: 1014.7mbar
The month with the highest atmospheric pressure is August (1016.3mbar).
The month with the lowest atmospheric pressure is February (1013.6mbar).
Average wind speed in April
Callao, Peru
- Average wind speed in April: 12.5km/h
The windiest month (with the highest average wind speed) is July (14.2km/h).
The calmest month (with the lowest average wind speed) is February (11km/h).
Average humidity in April
Callao, Peru
- Average humidity in April: 80%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is August (77%).
Average rainfall in April
Callao, Peru
- Average rainfall in April: 1mm
The wettest months (with the highest rainfall) are February, March, June, July and August (2mm).
The driest months (with the least rainfall) are January, April, May, September, October, November and December (1mm).
Average rainfall days in April
Callao, Peru
- Average rainfall days in April: 2.1 days
The month with the highest number of rainy days is March (4.6 days).
The month with the least rainy days is November (0.5 days).
Average sea temperature in April
Callao, Peru
- Average sea temperature in April: 19.5°C
The best month for swimming (with the highest average sea temperature) is March (20.9°C).
The coldest month (with the lowest average sea temperature) is September (15.8°C).
Average daylight in April /
Average sunshine in April
Callao, Peru
- Average daylight in April: 11h and 48min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in April: 8h and 54min
The month with the most sunshine is October (Average sunshine: 11h and 54min).
The month with the least sunshine is June (Average sunshine: 7h and 24min).
Average sunshine days in April
Callao, Peru
- Average sunshine days in April: 27.4 days
The month with the most sunshine days is December (29.2 days).
The month with the least sunshine days is July (18 days).
Average UV index in April
Callao, Peru
- Average UV index in April: 6
The months with the highest UV index are January, February, March, April and December (UV index 6).
The months with the lowest UV index are May, June, July, August, September, October and November (UV index 5).
Average cloud cover in April
Callao, Peru
- Average cloud cover in April: 23
The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in April
Callao, Peru
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
