Altamira in Spring
In spring (September, October and November), Altamira sees average daytime highs around 33°C and overnight lows near 24°C, with 194 mm of rain over about 33 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across spring, daytime highs hold fairly steady around 33°C. The sky is clear or mostly clear about 29% of the time across spring, and the air most often feels oppressive.
Spring is Altamira's 2nd-best season to visit on our travel score. For the whole year in context, see Altamira's year-round climate.
- Avg daytime high
- 33°C
- warmest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 194 mm
- 33 wet days
- Avg wind
- 8 km/h
- Travel score
- 3.5
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Altamira in Spring
Across spring, daytime highs hold fairly steady around 33°C.
A typical spring day in Altamira reaches about 33°C and drops to 24°C overnight. The warmest of the three months is September, the coolest September.
How spring really feels in Altamira
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.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Altamira 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 | 30° / 23° | 248 | 28.1 | 12.2 | 2.8 |
| Feb | 29° / 23° | 273 | 26.5 | 12.1 | 2.8 |
| Mar | 30° / 23° | 328 | 29.1 | 12 | 2.8 |
| Apr | 30° / 23° | 281 | 28.2 | 11.9 | 2.7 |
| May | 30° / 23° | 190 | 26.2 | 11.9 | 3.0 |
| Jun | 31° / 23° | 71 | 16.6 | 11.8 | 3.9 |
| Jul | 31° / 22° | 46 | 10.2 | 11.8 | 4.4 |
| Aug | 33° / 23° | 31 | 7.3 | 11.9 | 3.9 |
| Sep | 33° / 24° | 34 | 7 | 12 | 3.7 |
| Oct | 33° / 24° | 60 | 11.2 | 12.1 | 3.4 |
| Nov | 32° / 24° | 100 | 15 | 12.1 | 3.3 |
| Dec | 31° / 24° | 152 | 21.9 | 12.2 | 3.2 |
Cloud cover in Spring
The sky is clear or mostly clear about 29% of the time across spring.
Chance of precipitation in Spring
Altamira gets around 194 mm of rain over 33 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
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
Daylight runs from about 11 h 54 min in early September to 12 h 12 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.0 kWh/m².
Hazard calendar for Altamira
None of Altamira's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Altamira's monsoon runs December–May, when most of the year's rain falls.
Is spring a good time to visit Altamira?
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.
spring is a weaker month for outdoor sightseeing in Altamira. The water and warmth also suit a beach or pool day.
What to pack for Altamira in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Altamira sees daytime highs around 33°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 33 days see rain.
UV index in Altamira in Spring
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 Altamira peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).
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 | 15 | 11 | 10 | 10 | 10 | 12 | 12 | 10 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 15 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Very high |
| Dec | 11 | Extreme |
Air quality in Altamira in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Altamira is worst in November — around 40 µg/m³ PM2.5 (poor), about 4.7× 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 | 15 | 15 | 13 | 10 | 9 | 9 | 12 | 18 | 34 | 40 | 23 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Moderate | Moderate | Poor | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 15 | Moderate |
| Mar | 15 | Moderate |
| Apr | 13 | Moderate |
| May | 10 | Good |
| Jun | 9 | Good |
| Jul | 9 | Good |
| Aug | 12 | Good |
| Sep | 18 | Moderate |
| Oct | 34 | Moderate |
| Nov | 40 | Poor |
| Dec | 23 | Moderate |
Where is Altamira?
Altamira sits at 3.2°S, 52.2°W, 101 m above sea level, in Brazil. The nearest listed city is Brasil Novo, 39 km away.
Topography around Altamira
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Altamira.
Within 3 km, the terrain around Altamira has only modest variations in elevation — a maximum elevation change of 105 m around an average of 116 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 210 m; within 80 km, significant variations in elevation — a maximum elevation change of 405 m.
The land around Altamira is covered by trees (31%), artificial surfaces (29%) and grassland (21%) within 3 km, grassland (44%) and trees (42%) within 16 km, and trees (65%) and grassland (29%) within 80 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 Altamira (-3.2033°, -52.2064°, elevation 101 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.