Callao weather and climate in 2025
Day
19 °C
Night
13 °C
Sea
17 °C
Precipitation
1 mm
in month
Rainy days
0 days
in month
Daylight
12 hours
average
Sunshine
1 hours
average
Humidity
88 %
Day
19 °C
Night
13 °C
Sea
17 °C
Precipitation
1 mm
in month
Rainy days
0 days
in month
Daylight
12 hours
average
Sunshine
1 hours
average
Humidity
88 %
Overview: Callao
Weather charts for Callao
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Closest destinations for Callao
South America
Peru
Beach
21 °C
16 °C21 °C21 °C21 °C
South America
Peru
City
23 °C17 °C23 °C23 °C24 °C
Closest cities for Callao
Weather overview for Callao
Weather overview
Callao, the chief port of Peru, experiences a mild desert climate with minimal temperature variations throughout the year. Daytime highs hover between 19 °C (66 °F) in July and 27 °C (81 °F) in February, while nigh-time lows range from 13 °C (56 °F) in August to 19 °C (67 °F) in February. Precipitation is quite scarce, with the driest month being April at 0 mm (0.00 in) and the wettest month being October at 1 mm (0.03 in). Ocean breezes from the Pacific help moderate the temperatures, but the sea can be quite cold, with the lowest sea temperatures in August at 17 °C (63 °F) and the warmest in February at 22 °C (71 °F).
January weather
January in Callao welcomes the New Year with warm summer days peaking at 26 °C (79 °F). Nights are comfortable at 19 °C (65 °F), and the Pacific Ocean's waters are refreshing with temperatures around 21 °C (70 °F). With an average of 0 days of rainfall, the month is typically dry.
February weather
February offers the peak of summer with the highest daytime temperatures of the year reaching an average high of 27 °C (81 °F). The warmth extends into the evenings with night-time temperatures averaging 19 °C (67 °F). The sea is at its warmest, inviting at 22 °C (71 °F). Rain continues to stay at bay, averaging 0 days.
March weather
March sees a gentle dip in temperatures with daytime averages around 27 °C (80 °F) and cooler nights at 19 °C (66 °F). The ocean temperature is slightly cooler at 21 °C (70 °F). March is nearly as dry as February, with an expected 0 days of rainfall.
April weather
April's climate in Callao is characterized by diminishing warmth with the daytime temperature averaging 25 °C (77 °F) and night-time lows around 17 °C (63 °F). With the monthly rainfall at a mere 0 mm (0.00 in), it's nearly imperceptible.
May weather
May marks a noticeable shift towards cooler weather as temperatures average 22 °C (72 °F) during the day and 16 °C (60 °F) at night. The sea temperature also begins to cool, now at 19 °C (66 °F). Rainfall is slightly higher than in April, but still low, at 0 mm (0.01 in).
June weather
June in Callao brings in the cooler side of the climate spectrum, with daytime highs reaching around 20 °C (68 °F) and the night-time temperature dipping to 15 °C (59 °F). The sea can feel rather chilly at 18 °C (65 °F), and rainy days are extremely scarce at an average of 0 days.
July weather
July is Callao's coldest month with the daytime temperature averaging 19 °C (66 °F) and nights cooling down to an average of 14 °C (57 °F). Ocean temperatures reach a cold 18 °C (64 °F), deterring most from swimming. Rainfall is nearly non-existent with just 0 days expected.
August weather
August sees a continuation of cooler conditions in Callao, with sea temperatures reaching their yearly low at 17 °C (63 °F). Daytime temperatures hover around 19 °C (66 °F), and nights can be as cool as 13 °C (56 °F). Rainfall remains at a minimum with an average of 0 days.
September weather
The onset of spring in September brings a slight increase in temperature with daily highs reaching 19 °C (67 °F) and nights warming to 14 °C (57 °F). The sea remains cool at 17 °C (62 °F), and rainfall is still quite rare at 0 days.
October weather
October in Callao sees further warming, as days average 20 °C (69 °F) and nights 14 °C (58 °F). Sea temperatures remain quite cold at 17 °C (62 °F), but the chance of rain slightly increases, now at a high of 0 days for the month.
November weather
November brings a continued warming trend with average daytime temperatures of 22 °C (71 °F). Evening temperatures also increase, averaging 15 °C (59 °F). Sea temperatures start a slow climb to 18 °C (64 °F), while rainfall is extremely low at 0 mm (0.01 in).
December weather
As the year rounds out, December sees daily temperatures in Callao climbing to an average of 25 °C (76 °F), while night-time temperatures sit comfortably at 16 °C (62 °F). With increased sun exposure at 5 hours and the sea temperature warming to 20 °C (67 °F), December is a gentle prelude to summer.
FAQs
How should I dress for a January day in Callao?
Light and breathable clothing is suitable for daytime in January, as temperatures can reach 26 °C (79 °F). However, evenings may require a light jacket as the temperature drops to 19 °C (65 °F).
What is the typical February weather like in Callao?
Typical February weather in Callao is pleasantly warm with average daytime highs of 27 °C (81 °F) and minimal rainfall, making it one of the warmest months of the year.
Will I need a sweater for the evenings in Callao in March?
With night-time temperatures averaging 19 °C (66 °F) in March, a light sweater may be comfortable for the evenings.
Is April a good time to visit Callao for warm weather?
April still offers warmth with pleasant daytime temperatures averting 25 °C (77 °F), suitable for outdoor activities without the intensity of summer heat.
Do temperatures in Callao drop significantly in May?
While 'significant' is relative, May introduces a cooler climate with daytime temperatures averaging 22 °C (72 °F), which is noticeably cooler compared to the summer months.
Is June considered cold in Callao?
For local standards, June is on the cooler side with daytime highs of just 20 °C (68 °F)—not cold by many people's standards but certainly cooler than summer months.
How chilly does it get in Callao in July?
July in Callao can be described as mild with average high temperatures of 19 °C (66 °F) during the day and cooler evenings with temperatures averaging 14 °C (57 °F).
What can I expect in terms of weather in Callao in August?
August in Callao is characterized by cool temperatures, both on land with an average high of 19 °C (66 °F), and in the sea, making it one of the cooler months of the year.
Is September a comfortable month weather-wise in Callao?
September weather in Callao is generally mild and comfortable, with temperatures gently increasing as spring arrives.
What should I expect for daytime temperatures in Callao in October?
Expect pleasant and mild daytime temperatures in October with an average of 20 °C (69 °F), perfect for outdoor sightseeing and activities.
How will the weather change in Callao come November?
In November, the weather in Callao is steadily moving toward warmer days and nights, signalling the approach of summer.
Is December a warm month in Callao?
With daytime temperatures averaging 25 °C (76 °F), December is indeed a warm month, inching towards the toasty Callao summer.
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