World → Brazil → Guarulhos

Weather in Guarulhos — today

Heavy rain warning

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive

Now in Guarulhos

🌦️

+19°

Rain showers

Feels like +21° · humidity 97%

Today 12.9: +28° / +15°

🕐 02:25

Wind

4 km/h

UV index

Air (AQI)

50 · Moderate

Precipitation

100%

Humidity

97%

Pressure

1014 hPa

Sunrise / sunset

06:06 / 17:59

👕 What to wear today

Warm — a T-shirt and light trousers or shorts.

☂️ Take an umbrella💨 WindyFeels warmer by 2°

Weather for an activity:

🎣 fishing 🏃 a run 📸 a photo shoot 🚶 a walk

Detailed weather information for Guarulhos

Today, 12 September, Saturday, in Guarulhos (Brazil): partly cloudy, warm. During the day the air will warm up to +28°, at night around +15°. Due to the wind it feels like +21°. Wind up to 22 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Light summer clothing will do — a T-shirt and shorts or light trousers. The sun will rise at 06:06 and set at 17:59 — daylight lasts 12 hours.

Hourly weather in Guarulhos

💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Guarulhos 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

⛈️

💧 100%

+15° +28°

Morning

☁️

+21°

Day

⛈️

+28°

Evening

🌇

+16°

Night

🌙

+15°

Thunderstorm · precipitation 100% · wind up to 22 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tomorrow 13.9

🌦️

💧 99%

+14° +18°

Morning

🌦️

+16°

Day

🌦️

+18°

Evening

🌇

+15°

Night

🌙

+14°

Rain showers · precipitation 99% · wind up to 13 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Mon 14.9

🌦️

💧 99%

+14° +17°

Morning

🌦️

+15°

Day

🌦️

+17°

Evening

🌇

+16°

Night

🌙

+14°

Rain showers · precipitation 99% · wind up to 11 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Tue 15.9

🌦️

💧 57%

+14° +22°

Morning

🌦️

+17°

Day

🌦️

+22°

Evening

🌇

+20°

Night

🌙

+14°

Drizzle · precipitation 57% · wind up to 13 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Wed 16.9

🌦️

💧 22%

+13° +20°

Morning

🌦️

+16°

Day

🌦️

+20°

Evening

🌇

+18°

Night

🌙

+13°

Drizzle · precipitation 22% · wind up to 12 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Thu 17.9

🌦️

💧 28%

+13° +19°

Morning

🌦️

+15°

Day

🌦️

+19°

Evening

🌇

+18°

Night

🌙

+13°

Drizzle · precipitation 28% · wind up to 14 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Fri 18.9

☁️

💧 12%

+13° +21°

Morning

☁️

+16°

Day

☁️

+21°

Evening

🌇

+19°

Night

🌙

+13°

Overcast · precipitation 12% · wind up to 12 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sat 19.9

🌦️

💧 67%

+15° +21°

Morning

🌦️

+17°

Day

🌦️

+21°

Evening

🌇

+20°

Night

🌙

+15°

Rain showers · precipitation 67% · wind up to 9 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sun 20.9

🌦️

💧 73%

+18° +21°

Morning

🌦️

+19°

Day

🌦️

+21°

Evening

🌇

+20°

Night

🌙

+18°

Drizzle · precipitation 73% · wind up to 22 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Mon 21.9

⛈️

💧 59%

+18° +25°

Morning

⛈️

+21°

Day

⛈️

+25°

Evening

🌇

+23°

Night

🌙

+18°

Thunderstorm · precipitation 59% · wind up to 19 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 22.9

🌦️

💧 73%

+14° +20°

Morning

🌦️

+16°

Day

🌦️

+20°

Evening

🌇

+19°

Night

🌙

+14°

Rain showers · precipitation 73% · wind up to 26 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Wed 23.9

⛅

💧 62%

+11° +21°

Morning

⛅

+15°

Day

⛅

+21°

Evening

🌇

+19°

Night

🌙

+11°

Partly cloudy · precipitation 62% · wind up to 15 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Thu 24.9

🌤️

💧 37%

+12° +25°

Morning

🌤️

+17°

Day

🌤️

+25°

Evening

🌇

+22°

Night

🌙

+12°

Mostly clear · precipitation 37% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 25.9

☀️

💧 39%

+14° +28°

Morning

☀️

+19°

Day

☀️

+28°

Evening

🌇

+25°

Night

🌙

+14°

Clear · precipitation 39% · wind up to 15 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.

🏃 Running

0 / 100

comfort for running · Bad

🧴 UV

moderate · low

☂️ Rain

100%

likely · high

✨ Stars

18 / 100

evening visibility · Bad

🧺 Laundry drying

0 / 100

will dry outside · Bad

🚗 Car wash

0 / 100

better to wait · Bad

🌫️ Air quality

Moderate air

European AQI

PM2.5: 20PM10: 21O₃: 29NO₂: 42

Moderate. Those sensitive to dust should be more careful during long outdoor exercise.

🌅 Sun, moon and sea

Sunrise

06:06

Sunset

17:59

Golden hour

17:29

Daylight

12 h (+1 min vs yesterday)

Guarulhos 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°

+19°

Jan

+27°

+19°

Feb

+26°

+18°

Mar

+24°

+17°

Apr

+22°

+14°

May

+21°

+13°

Jun

+21°

+12°

Jul

+23°

+13°

Aug

+24°

+14°

Sep

+25°

+16°

Oct

+25°

+16°

Nov

+26°

+18°

Dec

swipe sideways →

Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit

Month	Day	Night	Precipitation	What to pack and what makes the month notable (events, nuances)
January	+26°	+19°	237 mm	Gentle warmth — about +26° daytime, great walking weather. Frequent rain (237 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Statistically the wettest month of the year.
February	+27°	+19°	183 mm	A comfortable month: +27° by day without exhausting heat. One of the wettest months (183 mm): downpours can derail plans. 😊 light summer clothing. This is the hottest month of the year in Guarulhos.
March	+26°	+18°	154 mm	One of the best times to visit: +26° by day, fresh nights. It's a rainy month (154 mm) — an umbrella is a must. 😊 light summer clothing.
April	+24°	+17°	65 mm	Ideal weather: +24° daytime — neither hot nor cold. Frequent rain (65 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Weather-wise, one of the three best months to visit.
May	+22°	+14°	65 mm	The most pleasant season: +22° by day, comfortable all day long. One of the wettest months (65 mm): downpours can derail plans. 🙂 a sweater for the evening.
June	+21°	+13°	47 mm	One of the best times to visit: +21° by day, fresh nights. 🙂 a sweater for the evening. The shortest daylight of the year — it gets dark early.
July	+21°	+12°	55 mm	Ideal weather: +21° daytime — neither hot nor cold. 🙂 a sweater for the evening. This is the coldest month of the year.
August	+23°	+13°	39 mm	The most pleasant season: +23° by day, comfortable all day long. 🙂 a sweater for the evening. Weather-wise, one of the three best months to visit.
September	+24°	+14°	90 mm	One of the best times to visit: +24° by day, fresh nights. It's a rainy month (90 mm) — an umbrella is a must. 😊 light summer clothing.
October	+25°	+16°	116 mm	Ideal weather: +25° daytime — neither hot nor cold. Frequent rain (116 mm over the month) — keep indoor backup plans. 😊 light summer clothing.
November	+25°	+16°	153 mm	The most pleasant season: +25° by day, comfortable all day long. One of the wettest months (153 mm): downpours can derail plans. 😊 light summer clothing.
December	+26°	+18°	181 mm	One of the best times to visit: +26° by day, fresh nights. It's a rainy month (181 mm) — an umbrella is a must. 😊 light summer clothing. The longest daylight hours of the year — more time for everything.

When to visit Guarulhos

✅ Recommended time to visit

🌟 Best time: April, June, August

Daytime air+21…+24°

Precipitationoften

Why: comfortable +21…+24° by day, little rain.

⚠️ Doable, with caveats

🌤️ Shoulder season: March, May, July, September, October, November

Daytime air+21…+26°

Precipitationoften

Why: noticeable rain risk (55–154 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

🌤️ Shoulder season: January, February, December

Daytime air+26…+27°

Precipitationoften

Why: the rainy season (181–237 mm/month) — downpours almost daily.

Bottom line: the best time to visit Guarulhos is April, June, August, and the most comfortable months are April, June, August. The toughest months to visit are January, February, December: frequent rain.