The best times to visit Santarem for ideal weather are
January 1st to December 30th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Santarem Travel Guide
Other Santarem Travel Info
Weather in Santarem
Temperature
Average temperatures in Santarem vary very little. Considering humidity, temperatures feel hot all year with a very low chance of rain throughout the year. The area is less temperate than some — in the 34th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Santarem, the hottest months are October, September, and then November. See average monthly temperatures below. The warmest time of year is generally late September where highs are regularly around 92.5°F (33.6°C) with temperatures rarely dropping below 76.7°F (24.8°C) at night.
Santarem Temperatures (Fahrenheit)
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Santarem Temperatures (Celsius)
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“Feels-Like” Temperatures
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Santarem Perceived Temperature (F)
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Santarem Perceived Temperature (C)
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Average Santarem Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
Show Fahrenheit
| Month | Avg. High (°F) | Avg. Mean (°F) | Avg. Low (°F) |
|---|---|---|---|
| Jan | 87.9 | 80.6 | 75.5 |
| Feb | 86.5 | 79.6 | 74.6 |
| Mar | 86.4 | 79.6 | 74.7 |
| Apr | 86.5 | 79.7 | 74.7 |
| May | 86.7 | 79.7 | 74.5 |
| Jun | 87.4 | 79.8 | 73.8 |
| Jul | 87.6 | 79.7 | 73.3 |
| Aug | 89.9 | 81.6 | 74.3 |
| Sep | 91.6 | 83.3 | 75.8 |
| Oct | 92 | 83.6 | 76.3 |
| Nov | 91.6 | 83.2 | 76.1 |
| Dec | 90.2 | 82.3 | 76.1 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 31.1 | 27 | 24.2 |
| Feb | 30.3 | 26.4 | 23.7 |
| Mar | 30.2 | 26.4 | 23.7 |
| Apr | 30.3 | 26.5 | 23.7 |
| May | 30.4 | 26.5 | 23.6 |
| Jun | 30.8 | 26.6 | 23.2 |
| Jul | 30.9 | 26.5 | 22.9 |
| Aug | 32.2 | 27.6 | 23.5 |
| Sep | 33.1 | 28.5 | 24.3 |
| Oct | 33.3 | 28.7 | 24.6 |
| Nov | 33.1 | 28.4 | 24.5 |
| Dec | 32.3 | 27.9 | 24.5 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Santarem are January, February, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid April with an average of 0 days of significant precipitation the week of April 16th.
When can you find snow in Santarem? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Santarem.
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Snow on the Ground
The graph below shows the average snow on the ground in Santarem (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 0% | 0 | 0 |
| Feb | 0% | 0 | 0 |
| Mar | 0% | 0 | 0 |
| Apr | 3% | 0 | 0.6 |
| May | 0% | 0 | 0 |
| Jun | 0% | 0 | 0 |
| Jul | 0% | 0 | 0 |
| Aug | 0% | 0 | 0 |
| Sep | 0% | 0 | 0 |
| Oct | 0% | 0 | 0 |
| Nov | 0% | 0 | 0 |
| Dec | 0% | 0 | 0 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 0 | 0 | 0 |
| Feb | 0 | 0 | 0 |
| Mar | 0 | 0 | 0 |
| Apr | 3 | 0 | 1.5 |
| May | 0 | 0 | 0 |
| Jun | 0 | 0 | 0 |
| Jul | 0 | 0 | 0 |
| Aug | 0 | 0 | 0 |
| Sep | 0 | 0 | 0 |
| Oct | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 |
Humidity and Wind
Santarem has some very humid months, and above average humidity throughout the year. The least humid month is October (64.3% relative humidity), and the most humid month is May (79.1%).
Wind in Santarem is usually calm. The windiest month is September, followed by October and November. September’s average wind speed of around 6.3 knots (7.3 MPH or 11.7 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late September where average top sustained speeds reach 14.2 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Santarem.
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Wind
The graph below shows wind speed (max and average) in knots.
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Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
| Month | Avg. Wind | Avg. Wind Feel | Sustained High Wind | High Wind Feel |
| Jan | 5.2 | Light breeze | 12.2 | Significant breeze |
| Feb | 4.9 | Light breeze | 12.1 | Significant breeze |
| Mar | 4.6 | Light breeze | 11.5 | Significant breeze |
| Apr | 4.2 | Light breeze | 11.5 | Significant breeze |
| May | 3.9 | Barely noticeable | 11.4 | Significant breeze |
| Jun | 4.2 | Light breeze | 11.7 | Significant breeze |
| Jul | 4.2 | Light breeze | 12.2 | Significant breeze |
| Aug | 5.1 | Light breeze | 12.6 | Significant breeze |
| Sep | 6.3 | Light breeze | 13.9 | Significant breeze |
| Oct | 6.2 | Light breeze | 13.3 | Significant breeze |
| Nov | 6 | Light breeze | 13.4 | Significant breeze |
| Dec | 5.9 | Light breeze | 13.2 | Significant breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 73.4% |
| Feb | 77.1% |
| Mar | 77.8% |
| Apr | 78.1% |
| May | 79.1% |
| Jun | 77.2% |
| Jul | 76.2% |
| Aug | 71.3% |
| Sep | 65.6% |
| Oct | 64.3% |
| Nov | 65.6% |
| Dec | 67.3% |
Is it Safe to Travel to Santarem?
Our best data indicates this area is somewhat safe. As of Dec 04, 2023 there are travel warnings for Brazil; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 24, 2023.
The Busiest and Least Crowded Months
The busiest month for tourism in Santarem, Brazil is June, followed by August and November. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Santarem in March. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall Santarem Travel Experience by Season
Fall (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 87.1°F (30.6°C) and 85.9°F (29.9°C) with similar temperatures in the later months. Rain is extremely rare with 0 to 1 days of significant precipitation per month. Fall is the slowest for tourism, which makes it a good time for those looking for deals.
Winter (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the least precipitation with about 0 days of precipitation per month. June – August is the busiest season for tourism in Santarem, so lodging and other accommodations may cost more than usual.
Spring (September through November)
Spring daily highs range from 92.5°F (33.6°C) and 90.7°F (32.6°C), which will feel very nice given the humidity and wind. It rains or snows a trivial amount: approximately 0 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.
Summer (December through February)
Weather is perfect this time of year in Santarem to be enjoyable for warm weather travelers. The average high during this season is between 90.7°F (32.6°C) and 86.3°F (30.2°C). On average, it rains or snows a insignificant amount: consistently 0 times per month. These times of year are fairly slow with tourists.
Best Times to Travel› Brazil › Santarem, Brazil