Portel in Spring

In spring (September, October and November), Portel sees average daytime highs around 34°C and overnight lows near 24°C, with 108 mm of rain over about 20 wet days across the season. It is the warmest season of the year and the driest season of the year.

Across spring, daytime highs hold fairly steady around 34°C. The sky is clear or mostly clear about 34% of the time across spring, and the air most often feels oppressive.

Spring is Portel's 2nd-best season to visit on our travel score. For the whole year in context, see Portel's year-round climate.

Avg daytime high: 34°C; warmest season of the year
Avg overnight low: 24°C
Rainfall: 108 mm; 20 wet days
Avg wind: 8 km/h
Travel score: 3.4; 2nd-best season
Months: Sep · Oct · Nov

← Winter Portel year-round climate Summer →

Spring Summer Fall Winter

Temperature in Portel in Spring

Average highAverage lowShaded bands: 10–90% of days

Across spring, daytime highs hold fairly steady around 34°C.

A typical spring day in Portel reaches about 34°C and drops to 24°C overnight. The warmest of the three months is October, the coolest September.

How spring really feels in Portel

Once humidity and wind are folded in, spring brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C

8 feel dangerously hot (≥ 39°C)

Days feeling ≤ 0°C

wind chill below the day's low

The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Portel weather by month

How the three spring months (September, October and November) compare with the rest of the year — the season's months are highlighted.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 24°	237	26.4	12.1	2.7
Feb	30° / 23°	308	26.1	12.1	2.6
Mar	30° / 24°	369	29.4	12	2.6
Apr	30° / 24°	389	29	12	2.5
May	31° / 24°	281	27.3	11.9	2.7
Jun	31° / 23°	141	20.6	11.9	3.2
Jul	32° / 23°	92	16.3	11.9	3.6
Aug	33° / 24°	44	9.5	11.9	3.7
Sep	34° / 24°	26	5.8	12	3.6
Oct	34° / 24°	29	6.3	12	3.4
Nov	33° / 24°	53	8.1	12.1	3.3
Dec	32° / 24°	114	17.3	12.1	3.1

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Portel gets around 108 mm of rain over 20 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

Wind in Spring

Winds average 8 km/h across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 12 hours in early September to 12 h 06 min by late November. The lit band spans sunrise to sunset each day.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 6.2 kWh/m².

Planning a trip in spring

Hazard calendar for Portel

In seasonPeak

None of Portel's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

Portel's monsoon runs January–May, when most of the year's rain falls.

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is spring a good time to visit Portel?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

3.4

Sightseeing

2nd-best month of the year

6.5

Beach & pool

1st-best month of the year

spring is a weaker month for outdoor sightseeing in Portel. The water and warmth also suit a beach or pool day.

What to pack for Portel in Spring

From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In spring, Portel sees daytime highs around 34°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 20 days see rain.

light clothessun protectionrain gear

UV index in Portel in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Portel peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	15	15	14	12	10	10	10	12	12	10	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	15	Extreme
Mar	15	Extreme
Apr	14	Extreme
May	12	Extreme
Jun	10	Extreme
Jul	10	Very high
Aug	10	Extreme
Sep	12	Extreme
Oct	12	Extreme
Nov	10	Extreme
Dec	10	Extreme

Air quality in Portel in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.

Air quality in Portel is worst in November — around 22 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (June, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	15	17	17	14	11	9	10	11	14	19	22	15
Level	Moderate	Moderate	Moderate	Moderate	Good	Good	Good	Good	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	15	Moderate
Feb	17	Moderate
Mar	17	Moderate
Apr	14	Moderate
May	11	Good
Jun	9	Good
Jul	10	Good
Aug	11	Good
Sep	14	Moderate
Oct	19	Moderate
Nov	22	Moderate
Dec	15	Moderate

Location & terrain

Where is Portel?

Portel sits at 1.9°S, 50.8°W, 12 m above sea level, in Brazil. The nearest listed city is Melgaço, 19 km away.

Topography around Portel

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Portel.

Within 3 km, the terrain around Portel has only modest variations in elevation — a maximum elevation change of 25 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, only modest variations in elevation — a maximum elevation change of 75 m.

The land around Portel is covered by water (76%) within 3 km, trees (65%) and water (25%) within 16 km, and trees (90%) within 80 km.

3 km

25 m

water 76%

16 km

37 m

trees 65%

80 km

75 m

trees 90%

treesgrasslandartificial surfaceswaterwetland

← Winter Portel year-round climate Summer →

Spring weather nearby: Melgaço 19 km · Breves 47 km · Bagre 68 km · Oeiras do Pará 108 km · Gurupá 108 km · Curralinho 115 km · Anajás 144 km · São Sebastião da Boa Vista 145 km

Brazil travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / N; 127 / 220 V · 60 Hz
Prices: ≈ 46% of US; price level, 2025
GDP per capita: $10,713; 2025
Happiness: 6.6 / 10; World Happiness, 2025
Safe drinking water: 89%; of population, 2024
Homicide rate: 19.3; per 100k, 2023
Road deaths: 16; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Low; EF EPI 482
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Portel (-1.9356°, -50.8211°, elevation 12 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.