Weather in Brazil
Visitors may find one of several distinct climates in Brazil, depending on where they travel. Along Brazil’s northeastern coast, temperatures are mild year-round, rarely dipping below 75F. The summer rains, usually lasting three to four months, arrive as early as April here, consisting mostly of quick showers. Rio de Janeiro is pleasant year-round with slightly cooler winters than summers. Rio’s rainy season begins as late as October though rains can occur anytime of the year. Further down the coast, temperatures are more variable. Visitors will experience the most temperature variation between seasons in the south, with hot humid summers December to March and cooler temperatures in the evenings and during winter from June to August. In the country’s interior, the hottest, wettest weather occurs from December to March.
So vast is the Amazon Rainforest that its climate varies by sub-region. The north is rainy most of the time with a little less rain from June to December. In Amazon areas further south, especially around the largest population centers where there are fewer trees, temperatures are more variable with distinctly drier months between August and October.
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Brasil Weather Data
Year Round Temperatures in °F, Rainfall in Inches
|
Rio de Janeiro
|
JAN
|
FEB
|
MAR
|
APR
|
MAY
|
JUN
|
JUL
|
AUG
|
SEP
|
OCT
|
NOV
|
DEC
|
|
max air temp. |
82
|
82
|
82
|
81
|
77
|
75
|
75
|
75
|
77
|
77
|
79
|
82
|
|
min air temp. |
75
|
75
|
73
|
72
|
68
|
50
|
63
|
64
|
64
|
68
|
68
|
72
|
|
avg. rainfall |
4.7
|
4.7
|
5.1
|
4.3
|
3.1
|
2.0
|
1.6
|
1.8
|
2.6
|
3.1
|
3.9
|
5.5
|
|
|
The summer high season in Rio is December to March. Off-season (May-October) is also a good option since Rio’s winter temperatures stay around the 70sº F/20sº C, dipping occasionally below 60ºF/15ºC. Rainy days are unpredictable andcan happen even in the high season.
|
Year Round Temperatures in °F, Rainfall in Inches
|
Manaus
|
JAN
|
FEB
|
MAR
|
APR
|
MAY
|
JUN
|
JUL
|
AUG
|
SEP
|
OCT
|
NOV
|
DEC
|
|
max air temp. |
88
|
88
|
88
|
88
|
88
|
90
|
90
|
91
|
91
|
91
|
91
|
90
|
|
min air temp. |
75
|
75
|
73
|
75
|
75
|
75
|
75
|
75
|
75
|
75
|
75
|
75
|
|
avg. rainfall |
9.8
|
9.1
|
10.2
|
8.7
|
6.7
|
3.3
|
2.4
|
1.6
|
1.8
|
4.1
|
5.6
|
7.9
|
|
|
For the central Amazon region (Manaus) the average daytime temperature in the rainy season is in the mid-80º F (30º C), with a fall of 10 to 20º F (7 to 12º C) at night. In the dry season the average temperatures are 5º F (2-3º C) higher. Although recipitation varies significantly within the Amazon due to various factors (e.g. altitude) it is usual to consider two distinct periods: the rainy season, and the dry season. In the central zone (Manaus) the rainy season begins in December and lasts until mid-May.
|
Year Round Temperatures in °F, Rainfall in Inches
|
Pantanal
|
JAN
|
FEB
|
MAR
|
APR
|
MAY
|
JUN
|
JUL
|
AUG
|
SEP
|
OCT
|
NOV
|
DEC
|
|
max air temp. |
88
|
90
|
90
|
91
|
91
|
90
|
90
|
93
|
93
|
93
|
90
|
90
|
|
min air temp. |
63
|
63
|
63
|
63
|
63
|
55
|
55
|
59
|
63
|
63
|
63
|
63
|
|
avg. rainfall |
12.6
|
9.8
|
10.2
|
4.6
|
0.4
|
0.3
|
0.0
|
0.3
|
2.4
|
5.3
|
9.4
|
9.4
|
|
|
The rainy season lasts from December to March. The intermediary seasons are April-June and October-November. During the rainy season rain storms can be intense, the temperature is high and the Pantanal is subject to flooding. This isn’t the best period to visit Pantanal, particularly January and February. It’s much better to visit the Pantanal in the dry and intermediary seasons.
|
Year Round Temperatures in °F, Rainfall in Inches
|
Salvador
|
JAN
|
FEB
|
MAR
|
APR
|
MAY
|
JUN
|
JUL
|
AUG
|
SEP
|
OCT
|
NOV
|
DEC
|
|
max air temp. |
86
|
86
|
86
|
84
|
82
|
82
|
82
|
81
|
82
|
84
|
84
|
84
|
|
min air temp. |
77
|
77
|
75
|
75
|
73
|
73
|
72
|
72
|
73
|
75
|
75
|
77
|
|
avg. rainfall |
2.2
|
3.1
|
6.3
|
8.7
|
9.8
|
11.0
|
9.8
|
5.9
|
2.6
|
1.0
|
1.0
|
1.2
|
|
|
Salvador, Fortaleza, Recife and nearby resorts (Praia do Forte, Porto Galinhas, Natal, etc.) have agreeable temperatures all year round, rarely dipping below 25ºC (77ºF) and there are very few days hotter than 32 or 33ºC (90ºF). Winter temperatures are just 3-4ºC degrees below the summer averages. In Salvador and Recife the rainy season begins around the beginning of April and lasts three months. At Fortaleza the rain begins a little later. Rain showers usually don’t last enough to spoil your visit to these year-round beach resorts.
|
Year Round Temperatures in °F, Rainfall in Inches
|
Iguazu
|
JAN
|
FEB
|
MAR
|
APR
|
MAY
|
JUN
|
JUL
|
AUG
|
SEP
|
OCT
|
NOV
|
DEC
|
|
max air temp. |
88
|
88
|
84
|
79
|
72
|
66
|
66
|
70
|
70
|
73
|
81
|
84
|
|
min air temp. |
68
|
68
|
64
|
59
|
54
|
48
|
48
|
50
|
54
|
57
|
59
|
64
|
|
avg. rainfall |
3.5
|
3.1
|
3.9
|
4.1
|
4.5
|
5.1
|
4.5
|
5.1
|
5.1
|
3.4
|
3.1
|
3.5
|
|
|
March-November could be considered the best time to visit Iguazu Falls but there really isn’t a 'best time'. The high season is in January and February, when most Brazilians and Argentineans are on vacation. It’s a good period to visit Iguazu Falls. But there are downsides, the humidity and the heat are also at their peaks and this is also a crowded period which you might prefer to avoid. If you want to avoid busy periods then avoid Easter time also. May and July are rainy months, though the rain is rarely a problem and the volume of the falls is at its highest.
|
Year Round Temperatures in °F, Rainfall in Inches
|
Florianopolis
|
JAN
|
FEB
|
MAR
|
APR
|
MAY
|
JUN
|
JUL
|
AUG
|
SEP
|
OCT
|
NOV
|
DEC
|
|
max air temp. |
80
|
81
|
81
|
77
|
72
|
69
|
67
|
70
|
69
|
72
|
76
|
79
|
|
min air temp. |
70
|
69
|
69
|
64
|
58
|
56
|
53
|
55
|
57
|
61
|
64
|
67
|
|
avg. rainfall |
6.8
|
7.4
|
7.1
|
3.7
|
3.7
|
2.9
|
3.5
|
3.3
|
4.9
|
4.9
|
5.1
|
5.7
|
|
|
The coastal city of Florianópolis enjoys a semi-tropical climate, without extreme variations in climate so any time of year is a good time to visit. It just depends upon your preferences. Winters are mild and summers hot with an average of 80% humidity. Rains should be expected from September through March. Mid-winter (June to August) is drier than summer, but anticipate cooler temperatures then as well. That said, even the coldest temperatures brought in by southerly wind will rarely drop below 50 Fahrenheit. The windiest days are most likely during the spring months of September and October for those interested in trying their hand at kiteboarding. The busiest time on the Island is in the summer months from December through mid-March, so those looking for a more peaceful trip should travel during the winter months.
|
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