Santarém in Spring
In spring (September, October and November), Santarém sees average daytime highs around 32°C and overnight lows near 26°C, with 325 mm of rain over about 39 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 32°C. The sky is clear or mostly clear about 33% of the time across spring, and the air most often feels oppressive.
Spring is Santarém's 2nd-best season to visit on our travel score. Santarém has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Santarém's year-round climate.
- Avg daytime high
- 32°C
- warmest season of the year
- Avg overnight low
- 26°C
- Rainfall
- 325 mm
- 39 wet days
- Avg wind
- 10 km/h
- Travel score
- 3.9
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Santarém in Spring
Across spring, daytime highs hold fairly steady around 32°C.
A typical spring day in Santarém reaches about 32°C and drops to 26°C overnight. The warmest of the three months is October, the coolest November.
How spring really feels in Santarém
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.
Santarém 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 | 29° / 25° | 409 | 28.2 | 12.1 | 3.1 |
| Feb | 29° / 25° | 387 | 25.8 | 12.1 | 3.1 |
| Mar | 29° / 25° | 488 | 29.3 | 12 | 3.0 |
| Apr | 29° / 25° | 450 | 29.2 | 11.9 | 2.9 |
| May | 29° / 25° | 365 | 29.6 | 11.9 | 3.0 |
| Jun | 29° / 24° | 187 | 24.8 | 11.9 | 3.6 |
| Jul | 30° / 25° | 114 | 19.2 | 11.9 | 4.3 |
| Aug | 31° / 25° | 74 | 13 | 11.9 | 4.5 |
| Sep | 32° / 26° | 68 | 10.5 | 12 | 4.2 |
| Oct | 32° / 26° | 107 | 11.9 | 12.1 | 3.9 |
| Nov | 31° / 26° | 149 | 16.6 | 12.1 | 3.6 |
| Dec | 30° / 25° | 233 | 21.7 | 12.1 | 3.4 |
Cloud cover in Spring
The sky is clear or mostly clear about 33% of the time across spring.
Chance of precipitation in Spring
Santarém gets around 325 mm of rain over 39 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 10 km/h across spring.
Sunrise & sunset in Spring
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
Average shortwave solar energy reaching the ground each day across spring, about 6.2 kWh/m².
Hazard calendar for Santarém
None of Santarém's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Santarém's rainy season runs December–May, when most of the year's rain falls.
Is spring a good time to visit Santarém?
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 Santarém. The water and warmth also suit a beach or pool day.
What to pack for Santarém in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Santarém sees daytime highs around 32°C and nights near 26°C. Pack light clothes, rain gear and sun protection. About 39 days see rain.
UV index in Santarém 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 Santarém peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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) | 14 | 15 | 15 | 14 | 11 | 10 | 10 | 10 | 11 | 12 | 10 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Extreme |
| Sep | 11 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Extreme |
| Dec | 11 | Extreme |
Air quality in Santarém 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 Santarém is worst in November — around 31 µg/m³ PM2.5 (moderate), about 3.5× 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) | 17 | 16 | 16 | 14 | 10 | 9 | 9 | 12 | 15 | 24 | 31 | 23 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 16 | Moderate |
| Mar | 16 | Moderate |
| Apr | 14 | Moderate |
| May | 10 | Good |
| Jun | 9 | Good |
| Jul | 9 | Good |
| Aug | 12 | Good |
| Sep | 15 | Moderate |
| Oct | 24 | Moderate |
| Nov | 31 | Moderate |
| Dec | 23 | Moderate |
Where is Santarém?
Santarém sits at 2.4°S, 54.7°W, 51 m above sea level, in Brazil. The nearest listed city is Mojuí dos Campos, 28 km away.
Topography around Santarém
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santarém.
Within 3 km, the terrain around Santarém has only modest variations in elevation — a maximum elevation change of 70 m around an average of 34 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 198 m; within 80 km, significant variations in elevation — a maximum elevation change of 281 m.
The land around Santarém is covered by artificial surfaces (65%) within 3 km, water (40%) and trees (34%) within 16 km, and trees (49%) and water (27%) 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 Santarém (-2.4431°, -54.7083°, elevation 51 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.