Expand
Contents
- The climate of Callao
- The best time to visit Callao
- The worst time to visit Callao
- Spring weather in Callao
- Summer weather in Callao
- Autumn weather in Callao
- Winter weather in Callao
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Callao
Callao, located in Peru, experiences a predominantly subtropical desert climate, designated by the Köppen climate classification as BWh. The region exhibits relatively moderate conditions throughout the year, with an oscillation between higher and lower temperatures, rainfall and humidity.
Yearly average temperatures in Callao range from a low of approximately 15.5°C (59.9°F), up to a high of 25.1°C (77.2°F). This variation represents a rather stable thermal amplitude, highlighting the subtropical nature of Callao's climate. Rainfall throughout the year is consistently low, with an annual average of just 1mm (0.04") to 2mm (0.08") monthly - the characteristic of a desert climate. This scant precipitation pattern is coupled with the relatively high humidity level, ranging from 77% to 81% over a year.
In terms of daylight hours, the yearly average sways from 11.4 hours to 12.8 hours. Moreover, sea temperatures remain pleasant, recording a minimum average of around 15.8°C (60.4°F) and a maximum of approximately 20.9°C (69.6°F). Overall, Callao's weather is shaped by its BWh climate classification, displaying modest temperature ranges, low rainfalls, and high relative humidity.
Yearly average temperatures in Callao range from a low of approximately 15.5°C (59.9°F), up to a high of 25.1°C (77.2°F). This variation represents a rather stable thermal amplitude, highlighting the subtropical nature of Callao's climate. Rainfall throughout the year is consistently low, with an annual average of just 1mm (0.04") to 2mm (0.08") monthly - the characteristic of a desert climate. This scant precipitation pattern is coupled with the relatively high humidity level, ranging from 77% to 81% over a year.
In terms of daylight hours, the yearly average sways from 11.4 hours to 12.8 hours. Moreover, sea temperatures remain pleasant, recording a minimum average of around 15.8°C (60.4°F) and a maximum of approximately 20.9°C (69.6°F). Overall, Callao's weather is shaped by its BWh climate classification, displaying modest temperature ranges, low rainfalls, and high relative humidity.
The best time to visit Callao
Considering a combination of temperature, rainfall, and amount of sunlight, the ideal time to visit Callao would be in the Peruvian Summer and Autumn months. From January to April, high temperatures average between 24.7°C (76.5°F) and 20.8°C (69.4°F), with a minimal chance of rain as the average volume varies from 1mm (0.04") to 2mm (0.08"). Concurrently, daylight hours average from 12.2 hours to 11.8 hours, and sunshine duration from 9.1 hours to 8.9 hours, ensuring desirable conditions for various activities including sightseeing, swimming, and exploring local culture.
The worst time to visit Callao
The Peruvian Winter and early Spring, marked by the months of July to October, represent less favorable conditions to visit Callao. Despite temperatures remaining comparatively moderate - from 19.8°C (67.6°F) to 20.5°C (68.9°F) - the shorter daylights from 11.5 hours to 12 hours coupled with a slight increase in rainfall to an average of 2mm (0.08"), might dampen the visitor experience. Sea temperatures also dip toward the lower end of the spectrum, with an average between 16.3°C (61.3°F) and 16.4°C (61.5°F).
Spring weather in Callao
Bound by the months of October to December, Spring in Callao is mild and comfortable. Average high temperatures are consistent, ranging from 20.2°C (68.4°F) in October to 22.6°C (72.7°F) in December. Correspondingly, low temperatures maintain a steady progress from 15.5°C (59.9°F) to 18.5°C (65.3°F) during these months. Average daylight hours rise gradually from 12 hours in October to 12.8 hours by December. Rainfall during Spring stays at a low 1mm (0.04") across the period. In all, the weather conditions in Spring, paired with the appreciable sea temperature of around 16.4°C (61.5°F) to 19.3°C (66.7°F), make it a good season to visit Callao.
Summer weather in Callao
Summer in Callao, from January to late March, offers the perfect blend of warmth and sun. Average high temperatures vary slightly from 25.1°C (77.2°F) in January to 24.7°C (76.5°F) in March. Average low temperatures range from 21.6°C (70.9°F) to 21.3°C (70.3°F) over these months. Daylight hours average around 12.7 hours in January, reducing to 12.2 hours in March. Coupled with the low looming rainfall of 1mm (0.04") to 2mm (0.08") and high relative humidity of around 80%, Summer in Callao provides opportune conditions for a spectrum of outdoor activities.
Autumn weather in Callao
Autumn presents a gradual cooling in Callao stretching from the end of March through to early June. Despite this drop in temperature, highs from 23.4°C (74.1°F) in April to 20.8°C (69.4°F) in June, accompanied by lows ranging from 19.7°C (67.5°F) to 16.8°C (62.2°F), the region continues to remain relatively warm. Autumn months also see a marginal increase in rainfall to an average of 2mm (0.08"). The average daylight duration of around 11.8 hours in April reduces to 11.4 hours by June. However, the comfortable sea temperatures, shifting from 19.5°C (67.1°F) to 18.2°C (64.8°F), ensure Callao remains an attractive destination during Autumn.
Winter weather in Callao
Winter, characterized by months from late June through September, brings the lowest temperatures of the year. Averagely, high temperatures decrease from 20.8°C (69.4°F) in June to 19.8°C (67.6°F) in August. Simultaneously, low temperatures drop from 15.5°C (59.9°F) in July to 15.2°C (59.4°F) in August, with a relative increase to 15.5°C (59.9°F) in September. Notably, this period also records the minimum sea temperature of the year, decreasing from 18.2°C (64.8°F) in June to 15.8°C (60.4°F) in September. Despite these reductions, the temperate conditions of Callao's winter season are reasonably mild, given its subtropical desert climate classification.
Weather in January
Kickstarting the year in Callao, Peru, January's weather embraces relatively stable conditions, with clear visibility throughout the month. The New Year period is notorious for its balmy temperatures, high humidity, and moderate wind speeds, all conducive for outdoor activities. Weather in January »
Weather in February
February’s weather in Callao, Peru witnesses a marginal rise in temperatures maintaining its summer ardor, relative to January. Sunny days are fairly frequent, bestowing the city with a luminous aura. The humidity levels modulate slightly while sea temperatures measure a slight uptick, reaching up to 20.8°C (69.4°F), encouraging beach excursions. Weather in February »
Weather in March
In Callao, Peru, the weather ushers into March with a meager drop in maximum temperatures compared to February. The earlier part of the month notably shines under prolonged sunlight. Though rainfall marks a slight increase, the city’s weather predominantly remains dry and humid. Weather in March »
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. Weather in April »
Weather in May
May’s weather in Callao, Peru sees a noticeable drop in temperatures than in April, a clear indication of the intensifying autumn. As daylight hours decrease, the city tempers under the soothing effects of shorter sunny periods. Rare rain showers grace the city's canvas, while sea temperatures dip to 18.8°C (65.8°F), signaling a cautious approach for water sports enthusiasts. Weather in May »
Weather in June
June in Callao, Peru, signifies the onset of winter, with temperatures reaching the lowest for the year at 16.8°C (62.2°F), a sharp fall from May. Subsequently, the sea temperature drops to 18.2°C (64.8°F), presaging a hiatus in beach activities. Weather in June »
Weather in July
July's weather in Callao, Peru, perpetuates the winter spell, with temperatures not varying significantly from June. The city falls under a longer period of shade, reducing the overall daylight hours. With sea temperatures dropping to their lowest at 16.8°C (62.2°F), water-based ventures lose their popularity. Weather in July »
Weather in August
The weather in Callao, Peru in August signals a slight relenting of winter's grip, as temperatures begin to climb from July's lows. Despite shorter daylight lengths, the sun reappears more frequently, lending a bright tint to the city. Weather in August »
Weather in September
September's weather in Callao, Peru, heralds the arrival of spring. The temperature starts to ascend, rising from August, rekindling the city's warm allure. September witnesses an increase in daylight hours, marking longer sunny spells. Weather in September »
Weather in October
October in Callao, Peru, further solidifies the spring season with temperatures continuing to warm up from September. Increasing sunlight hours brighten the city, ushering in a vibrant scenario. The sea becomes increasingly inviting, with temperatures escalating to 16.4°C (61.5°F), reviving aquatic recreations. Weather in October »
Weather in November
November's weather in Callao, Peru, nears the culmination of spring. Temperatures uniformly warm up from the previous month, prepping the city for the nearing summer. Coupled with extended daylight hours, the sunshine duration inches towards an annual high. Weather in November »
Weather in December
December’s weather finally marks the onset of summer in Callao, Peru, with temperatures slightly rising from November. Prolonged daylight hours and abundant sunlight characterize city life, fostering a radiant environment. With sea temperatures peaking at 19.3°C (66.7°F), beach visits and water sports amplify. Weather in December »
[Resources]Frequently asked questions
What is the driest month in Callao?
The months with the least rainfall are January, April, May, September through December Rain falls for 2.3 days and accumulates 1mm (0.04") of rain.
How much does it rain in Callao?
Throughout the year, in Callao, Peru, there are 24.8 rainfall days, and 17mm (0.67") of precipitation is accumulated.
What are the months with the highest UV index in Callao?
January through April and December, with an average maximum UV index of 6, are months with the highest UV index in Callao.
What time of the year is the hottest in Callao?
With an average high-temperature of 25.1°C (77.2°F) and an average low-temperature of 21.6°C (70.9°F), February is the warmest month in Callao, Peru.
What is the rainiest month in Callao?
The wettest months in Callao are February, March, June through August, with an average 2mm (0.08") of rainfall.
When is the sea warmest in Callao?
The month with the warmest seawater in Callao is March, with an average sea temperature of 20.9°C (69.6°F).
What is the month with the lowest UV index in Callao?
May through November, with an average maximum UV index of 5, are months with the lowest UV index in Callao.
What is the month with the shortest days in Callao?
With an average of 11h and 24min of daylight, June has the shortest days of the year in Callao.
What is the month with the least sunshine in Callao?
The month with the least sunshine in Callao, Peru, is June, with an average of 7.4h of sunshine.
What part of the year is the coldest in Callao?
August, with its average high-temperature of 19.8°C (67.6°F) and an average low-temperature of 15.2°C (59.4°F), holds the record as the coldest month.
What is the least humid month in Callao?
With an average relative humidity of 77%, August is the least humid month in Callao, Peru.
What is the month with the coldest sea water in Callao?
The month with the coldest seawater in Callao, Peru, is September, with an average sea temperature of 15.8°C (60.4°F).
What month has the most sunshine in Callao?
October has the most sunshine of the year, with an average of 11.9h of sunshine.
What is the most humid month in Callao?
December is the most humid month, with an average relative humidity of 81%.
When are the longest days in Callao?
With an average of 12h and 48min of daylight, December has the longest days of the year.
Is there Daylight Saving Time (DST) in Callao?
Callao does not utilize Daylight Saving Time (DST). -05 timezone is used over the entire year.
Average temperature
Callao, Peru
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).
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
Callao, Peru
- Average pressure in January:
1014.2mbar - Average pressure in February:
1013.6mbar - Average pressure in March:
1014mbar - Average pressure in April:
1014.7mbar - Average pressure in May:
1015.5mbar - Average pressure in June:
1016mbar
- Average pressure in July:
1016.2mbar - Average pressure in August:
1016.3mbar - Average pressure in September:
1016mbar - Average pressure in October:
1015.5mbar - Average pressure in November:
1014.7mbar - Average pressure in December:
1014.3mbar
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
Callao, Peru
- Average wind speed in January:
12.2km/h - Average wind speed in February:
11km/h - Average wind speed in March:
11.3km/h - Average wind speed in April:
12.5km/h - Average wind speed in May:
13.6km/h - Average wind speed in June:
13.7km/h
- Average wind speed in July:
14.2km/h - Average wind speed in August:
13.8km/h - Average wind speed in September:
14.1km/h - Average wind speed in October:
13.8km/h - Average wind speed in November:
13.4km/h - Average wind speed in December:
13km/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
Callao, Peru
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is August (77%).
Average rainfall
Callao, Peru
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
Callao, Peru
- Average rainfall days in January:
2.3 days - Average rainfall days in February:
3.2 days - Average rainfall days in March:
4.6 days - Average rainfall days in April:
2.1 days - Average rainfall days in May:
1.1 days - Average rainfall days in June:
1.6 days
- Average rainfall days in July:
3.6 days - Average rainfall days in August:
2.1 days - Average rainfall days in September:
1.5 days - Average rainfall days in October:
0.7 days - Average rainfall days in November:
0.5 days - Average rainfall days in December:
1.5 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
Callao, Peru
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 / Average sunshine
Callao, Peru
- Average daylight in January:
12h and 4min - Average daylight in February:
12h and 3min - Average daylight in March:
12h and 1min - Average daylight in April:
11h and 5min - Average daylight in May:
11h and 4min - Average daylight in June:
11h and 2min
- Average daylight in July:
11h and 3min - Average daylight in August:
11h and 4min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 2min - Average daylight in November:
12h and 4min - Average daylight in December:
12h and 5min
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 January:
10h and 2min - Average sunshine in February:
9h and 1min - Average sunshine in March:
9h and 2min - Average sunshine in April:
8h and 5min - Average sunshine in May:
7h and 3min - Average sunshine in June:
7h and 2min
- Average sunshine in July:
8h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
10h and 3min - Average sunshine in October:
11h and 5min - Average sunshine in November:
11h and 5min - Average sunshine in December:
11h and 1min
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
Callao, Peru
- Average sunshine days in January:
26.6 days - Average sunshine days in February:
23.8 days - Average sunshine days in March:
26.3 days - Average sunshine days in April:
27.4 days - Average sunshine days in May:
23.7 days - Average sunshine days in June:
18.7 days
- Average sunshine days in July:
18 days - Average sunshine days in August:
19.2 days - Average sunshine days in September:
22.3 days - Average sunshine days in October:
25.8 days - Average sunshine days in November:
27 days - Average sunshine days in December:
29.2 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
Callao, Peru
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
Callao, Peru
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
Callao, Peru
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).
Callao, Peru
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
