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Manaus in December: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Manaus in December will be like? Take a look at our weather guide for Manaus, based on historical data.
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December

Weather in Manaus in December 2024

OK Weather
Warm
🌧️
Rainy
If you plan to visit Manaus in December, the weather is typically alright, with an average high temperature of +86°F during the day and approximately 0 sunny days. Expect some rainy, though, as there are typically 23 rainy days in the month and around 276 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+86°F
Avg. max. temperature
+72°F
Min.
+97°F
Max.
276 mm
Total precipitation
86%
Avg. humidity
1 m/s
Avg. wind
0 ☀️
Sunny Days
0 ⛅️
Cloudy
23 🌦
Rainy
Our opinion: Manaus has OK weather in December.

Average temperature in Manaus in December

Here are the expected maximum, average and minimum temperatures in Manaus for December based on the historical data.
Last Year
Historical Data

Going from a maximum of +91°F during the day to a minimum of +73°F during the night, the temperature in December averages around +86°F.

The average maximum temperature goes down 30% by the end of the month, compared with the beginning of the month, from +91°F to +86°F.

Is Manaus warm or cold in December?

Manaus is typically warm in December.

Maximum temperatures go down compared to the previous month from +88°F to +86°F. The minimum temperature also goes down from +77°F to +75°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how December is compared to other months in Manaus:

Climate in Manaus in December

Manaus weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
Avg. temperature
+88°F+86°F+86°F
Min. temperature
+72°F+72°F+70°F
Max. temperature
+99°F+97°F+95°F
Rainfall
193 mm276 mm287 mm
Wind
1 m/s1 m/s1 m/s
Humidity
84%86%87%
Air pressure
1008 HPa1009 HPa1009 HPa
Sunny days
100
Cloudy days
101
Rainy days
202324
Snowy days
000

December weather is still as ok as in November. It’s getting colder in December. From +88°F in the day, the average maximum temperature lowers to +86°F. Prepare for more rain. Average rainfall goes from 193 mm to 276 mm. Humidity rises from 84% to 86%. The average wind speed doesn’t change much during December, staying around 1 m/s. The days becoming less sunny, going from 1 sunny days in November to 0 in December.

January brings much the same weather, it remains ok.

Wind

Wind speed in Manaus in December based on historical data.
Last Year
Historical Data

The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Manaus is gradually increasing during December, going from 1 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during December in Manaus based on historical data.
Last Year
Historical Data
Typically, there is a 94% chance of rain on an average day in December, with total rainfall of approximately 212 mm. The maximum amount of rainfall per day is around 25 mm, which is moderate rain. December is a pretty wet month with over 29 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how December is compared with other months in the amount of precipitation, total mm:
Manaus wettest month is March, where a typical day has a 77% chance of precipitation and 350 mm of rainfall per day. August, on the other hand, is the driest month with a mere 65% chance of precipitation and 100 mm of rainfall per day.

How was the weather last December in Manaus?

This is the weather in Manaus in December 2023:
1 December
☀️
+91°F
2 December
🌧️
+85°F
3 December
🌧️
+81°F
4 December
🌧️
+88°F
5 December
☀️
+87°F
6 December
☀️
+91°F
7 December
☀️
+86°F
8 December
🌧️
+87°F
9 December
☀️
+83°F
10 December
☁️
+89°F
11 December
🌧️
+84°F
12 December
☁️
+89°F
13 December
☁️
+90°F
14 December
☀️
+89°F
15 December
🌧️
+83°F
16 December
☁️
+83°F
17 December
☁️
+81°F
18 December
☀️
+90°F
19 December
☀️
+90°F
20 December
🌧️
+85°F
21 December
🌧️
+88°F
22 December
🌧️
+82°F
23 December
☁️
+86°F
24 December
☁️
+90°F
25 December
🌧️
+82°F
26 December
☁️
+87°F
27 December
☀️
+85°F
28 December
🌧️
+86°F
29 December
☀️
+84°F
30 December
🌧️
+83°F
31 December
☀️
+86°F
In December 2023 Manaus had 11 sunny days, 8 cloudy days, and 12 rainy days. The average maximum temperature was +86°F, with an absolute maximum of +91°F and a minimum of +81°F. The average humidity was 86%, with a maximum of 99% and a minimum of 55%. The average wind speed was 1 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in December?

Climate Change Over the Years

This is how Manaus climate has changed over the last 43 years.

The climate in Manaus in December has not changed that much over the last 43 years.

The average temperature was the lowest in 1989 (+85°F) and the highest in 2020 (+89°F). The driest year was 1980 with only 2148 mm of rainfall, and the wettest year was 2008 with 3331 mm.

FAQ

Frequently asked questions about the weather in Manaus in December:

Is December a good time to visit Manaus?

It’s always a good time to visit Manaus, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Manaus in December?

December is warm in Manaus. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Manaus rainy in December?

Manaus is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Manaus in December?

Usually, it’s not very sunny in Manaus in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Brazil

Check out the weather for other cities in Brazil.

Monthly weather in Manaus

Source of the data

For this page, we’ve looked at the typical weather in Manaus, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.