Today, 12 September, Saturday, in Callao (Peru): partly cloudy, warm. During the day the air will warm up to +24°, at night around +20°. Due to the wind it feels like +20°. Wind up to 19 km/h. No precipitation expected, you won't need an umbrella. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +22° — great for swimming. The sun will rise at 06:04 and set at 18:04 — daylight lasts 12 hours.
Hourly weather in Callao
💧 No precipitation expected on this day. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in Callao for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Today 12.9
☁️
+20°+24°
Morning
⛅
+20°
Day
☁️
+24°
Evening
🌇
+21°
Night
🌙
+20°
Overcast · precipitation 0% · wind up to 19 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Tomorrow 13.9
🌦️
💧 2%
+19°+23°
Morning
⛅
+21°
Day
🌦️
+23°
Evening
🌇
+20°
Night
🌙
+19°
Drizzle · precipitation 2% · wind up to 19 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Mon 14.9
☁️
+19°+23°
Morning
☁️
+20°
Day
☁️
+23°
Evening
🌇
+22°
Night
🌙
+19°
Overcast · precipitation 0% · wind up to 15 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Tue 15.9
⛅
💧 2%
+19°+24°
Morning
⛅
+21°
Day
⛅
+24°
Evening
🌇
+23°
Night
🌙
+19°
Partly cloudy · precipitation 2% · wind up to 14 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Wed 16.9
☁️
💧 9%
+19°+24°
Morning
☁️
+21°
Day
☁️
+24°
Evening
🌇
+23°
Night
🌙
+19°
Overcast · precipitation 9% · wind up to 14 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Thu 17.9
🌦️
💧 12%
+19°+24°
Morning
🌦️
+21°
Day
🌦️
+24°
Evening
🌇
+23°
Night
🌙
+19°
Drizzle · precipitation 12% · wind up to 17 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Fri 18.9
☁️
💧 6%
+19°+24°
Morning
☁️
+21°
Day
☁️
+24°
Evening
🌇
+23°
Night
🌙
+19°
Overcast · precipitation 6% · wind up to 18 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Sat 19.9
☁️
💧 8%
+20°+24°
Morning
☁️
+21°
Day
☁️
+24°
Evening
🌇
+23°
Night
🌙
+20°
Overcast · precipitation 8% · wind up to 15 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Sun 20.9
☁️
+20°+24°
Morning
☁️
+21°
Day
☁️
+24°
Evening
🌇
+23°
Night
🌙
+20°
Overcast · precipitation 0% · wind up to 15 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Mon 21.9
☁️
+20°+24°
Morning
☁️
+21°
Day
☁️
+24°
Evening
🌇
+23°
Night
🌙
+20°
Overcast · precipitation 0% · wind up to 14 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Tue 22.9
☁️
+20°+24°
Morning
☁️
+21°
Day
☁️
+24°
Evening
🌇
+23°
Night
🌙
+20°
Overcast · precipitation 0% · wind up to 16 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Wed 23.9
☁️
💧 2%
+20°+25°
Morning
☁️
+22°
Day
☁️
+25°
Evening
🌇
+24°
Night
🌙
+20°
Overcast · precipitation 2% · wind up to 13 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Thu 24.9
☁️
💧 2%
+20°+25°
Morning
☁️
+22°
Day
☁️
+25°
Evening
🌇
+24°
Night
🌙
+20°
Overcast · precipitation 2% · wind up to 12 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Fri 25.9
☁️
+21°+25°
Morning
☁️
+22°
Day
☁️
+25°
Evening
🌇
+24°
Night
🌙
+21°
Overcast · precipitation 0% · wind up to 13 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏖️ Beach
75 / 100
for sea and sun · Good
🏊 Swimming
76 / 100
water 22° · Good
🏃 Running
72 / 100
comfort for running · Good
🧴 UV
0%
moderate · low
☂️ Rain
0%
unlikely · low
✨ Stars
88 / 100
evening visibility · Excellent
🧺 Laundry drying
59 / 100
will dry outside · Average
🚗 Car wash
95 / 100
no rain expected · Excellent
🌫️ Air quality
29
Good air
European AQI
PM2.5: 10PM10: 17O₃: 53NO₂: 6
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
06:04
Sunset
18:04
Golden hour
17:36
Daylight
12 h (+1 min vs yesterday)
Sea temperature
+22°
🌊 moderate, waves 1.8 m.
Callao climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+26°
+20°
Jan
+26°
+21°
Feb
+26°
+21°
Mar
+25°
+19°
Apr
+22°
+18°
May
+20°
+16°
Jun
+20°
+15°
Jul
+19°
+15°
Aug
+20°
+15°
Sep
+21°
+16°
Oct
+22°
+17°
Nov
+24°
+18°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month
Day
Night
Sea
Precipitation
What to pack and what makes the month notable (events, nuances)
January
+26°
+20°
+20°
15 mm
The most pleasant season: +26° by day, comfortable all day long. 😊 light summer clothing. Sea at +20° — swimmable, refreshing. Weather-wise, one of the three best months to visit.
February
+26°
+21°
+21°
26 mm
Warm and comfortable: +26° by day, +21° at night. 😊 light summer clothing. Sea at +21° — swimmable, refreshing. This is the hottest month of the year in Callao.
March
+26°
+21°
+21°
22 mm
Gentle warmth — about +26° daytime, great walking weather. 😊 light summer clothing. Sea at +21° — swimmable, refreshing. Weather-wise, one of the three best months to visit.
April
+25°
+19°
+21°
6 mm
The most pleasant season: +25° by day, comfortable all day long. 😊 light summer clothing. Sea at +21° — swimmable, refreshing.
May
+22°
+18°
+20°
1 mm
One of the best times to visit: +22° by day, fresh nights. 🙂 a sweater for the evening. Sea at +20° — swimmable, refreshing.
June
+20°
+16°
+19°
1 mm
Ideal weather: +20° daytime — neither hot nor cold. 🙂 a sweater for the evening. Sea at +19° — swimmable, refreshing. The shortest daylight of the year — it gets dark early.
July
+20°
+15°
+18°
1 mm
The most pleasant season: +20° by day, comfortable all day long. 🙂 a sweater for the evening. Sea at +18° — swimmable, refreshing.
August
+19°
+15°
+18°
1 mm
One of the best times to visit: +19° by day, fresh nights. 🙂 a sweater for the evening. Sea at +18° — swimmable, refreshing. This is the coldest month of the year.
September
+20°
+15°
+17°
2 mm
Ideal weather: +20° daytime — neither hot nor cold. 🙂 a sweater for the evening. The water is cold (+17°) — swimming is for the brave.
October
+21°
+16°
+17°
2 mm
The most pleasant season: +21° by day, comfortable all day long. 🙂 a sweater for the evening. The water is cold (+17°) — swimming is for the brave.
November
+22°
+17°
+18°
2 mm
One of the best times to visit: +22° by day, fresh nights. 🙂 a sweater for the evening. Sea at +18° — swimmable, refreshing.
December
+24°
+18°
+19°
6 mm
Ideal weather: +24° daytime — neither hot nor cold. 🙂 a sweater for the evening. Sea at +19° — swimmable, refreshing. The longest daylight hours of the year — more time for everything.
When to visit Callao
✅ Recommended time to visit
🌟 Best time: January, February, March
Daytime air+26…+26°
Sea temperature+20…+21°
Precipitationrare
Why: comfortable +26…+26° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: April, May, June, October, November, December
Daytime air+20…+25°
Sea temperature+17…+21°
Precipitationalmost none
Why: cool (+20…+25°) — not beach season, but great for city sights and museums.
🔴 Not the best time
🌤️ Shoulder season: July, August, September
Daytime air+19…+20°
Sea temperature+17…+18°
Precipitationnone
Bottom line: the best time to visit Callao is January – March, and the most comfortable months are January, February, March. The toughest months to visit are July, August, September: cool and damp.
🌡️ Today vs the climate normal
Today's high
+24°
Normal for September
+20°
Deviation
4° warmer than normal
A year ago on this day
+19°
Record for this date
+23° (1997)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Callao
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.