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Oeiras weather

At 11:45 PM local time it was clear and 31°C (87°F). Little to no rain in the next 24 hours. Best months for weather: May–Aug. Oeiras sits 176 m (577 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Oeiras, Piauí, Brazil.

Oeiras · Clear · 31°
Sat, Oct 31 · 11:45 PM
Reference footage
Angle 1/3

Current conditions

🌙
31°
Clear
Clouds
2%
Chance of rain
0%
Rain
0.0 mm/h

Hourly Forecast

Little to no rain in the next 24 hours

0%
☀️11 PM
0%
☀️12 AM
0%
☀️1 AM
0%
☀️2 AM
0%
🌤️3 AM
0%
🌤️4 AM
0%
☁️5 AM
0%
☀️6 AM
2%
☀️7 AM
5%
☀️8 AM
6%
☀️9 AM
5%
☀️10 AM
3%
☀️11 AM
2%
☀️12 PM
4%
🌤️1 PM
7%
🌤️2 PM
8%
☀️3 PM
6%
🌤️4 PM
3%
☀️5 PM
0%
🌤️6 PM
0%
☀️7 PM
0%
☀️8 PM
0%
🌤️9 PM
0%
🌤️10 PM

Daily Forecast

S
M
T
W
T
F
S
Oct 18
19
20
21
22
23
24☁️40°28°
25🌦️39°28°0.2 mm
26🌦️38°27°0.1 mm
27🌦️38°24°0.5 mm
28🌦️37°24°1.8 mm
29🌦️38°26°0.8 mm
30🌦️36°26°2.5 mm
31☁️39°26°💧20%
Nov 1☁️40°27°
2🌦️38°29°💧22%
3⛅39°29°💧22%
4🌦️40°30°
5⛅41°29°
6🌤️41°30°💧16%
7🌤️41°28°
8🌦️38°28°💧34%
9🌦️36°24°💧47%
10🌦️36°24°💧55%
11🌦️37°25°💧29%
12🌦️39°24°💧27%
13☁️39°26°💧30%
14🌦️40°28°💧43%
15☁️36°27°💧28%
16
17
18
19
20
21
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Best Time to Visit

Peak season May–AugOff season Oct–Mar

Off131 mm
33°23°☁ 69%Jan
Off134 mm
31°22°☁ 73%Feb
Off153 mm
31°22°☁ 71%Mar
Fair95 mm
32°22°☁ 60%Apr
Peak36 mm
33°22°☁ 45%May
Peak5 mm
34°21°☁ 27%Jun
Peak3 mm
34°21°☁ 19%Jul
Peak1 mm
35°21°☁ 14%Aug
Fair4 mm
37°23°☁ 19%Sep
Off18 mm
38°25°☁ 39%Oct
Off39 mm
37°25°☁ 55%Nov
Off83 mm
35°24°☁ 63%Dec

About Oeiras weather

Is it raining in Oeiras right now?

No. It’s clear and 31° right now. Little to no rain in the next 24 hours.

What’s the weather like in Oeiras this week?

Over the next 7 days, expect highs of 38–41° and lows of 26–30°. Little rain is expected. The driest day looks like Sunday.

Has it been raining in Oeiras lately?

In the past 7 days, Oeiras had 2 rainy days and 5.9 mm of rain in total.

What should I pack for Oeiras?

For the coming week, bring light, breathable clothes and sunscreen.

Oeiras weather by month

When is the best time to visit Oeiras?

Based on weather alone, the best time to visit Oeiras is May–Aug, according to NASA's 2001–2025 climate averages. Oct–Mar tends to be the least pleasant. Average highs run from 31°C (88°F) in March to 38°C (100°F) in October.

What is the rainiest month in Oeiras?

March is the wettest month, with about 153 mm (6.0 in) of rain on average. August is the driest, with about 1 mm (0.0 in).

What is the hottest month in Oeiras?

October is the warmest, with average highs of 38°C (100°F) and lows of 25°C (77°F). March is the coolest, with highs of 31°C (88°F) and lows of 22°C (71°F).

Does Oeiras have a rainy season?

Yes. Mar is the rainy season (150 mm or more a month), while May–Nov is usually dry (under 60 mm).

Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months

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Weather near Oeiras

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