When is the best time to go to Rio Negro

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The chart above shows the best time of year to visit Rio Negro, Brazil. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.

Average temperatures in Rio Negro

Rio Negro weather by month

Please note our recommendations for when to visit Rio Negro are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.

January

Rio Negro January weather averages
Temp Rain Sunshine Day length
24°C 156mm 3.6hrs 14.4hrs

The climate in Rio Negro during January can be summarized as warm, humid and wet.

Based on weather alone, this is probably a time of year to avoid going to Rio Negro for your holidays. The weather is often not a good and not conducive to spending time outdoors.

January is in the summer in Rio Negro and is typically the coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 16°C (61°F) is normal.

On average January is the driest month of the year in Rio Negro with around 156mm 6.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 26 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.6 hours of sunshine per day.

Rio Negro weather in January »

February

Rio Negro February weather averages
Temp Rain Sunshine Day length
24°C 166mm 3.6hrs 13.8hrs

February in Rio Negro is generally wet with the temperature being warm.

Based on weather alone, this is probably a time of year to avoid going to Rio Negro for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.

February is in the summer in Rio Negro and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 16°C (61°F) is normal.

On average February is the 2nd driest month of the year in Rio Negro with around 166mm 6.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 23 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.6 hours of sunshine per day.

Rio Negro weather in February »

March

Rio Negro March weather averages
Temp Rain Sunshine Day length
23°C 143mm 3.1hrs 13hrs

The weather in March in Rio Negro is characteristically warm, humid and wet.

Based on weather alone, this is probably a time of year to avoid going to Rio Negro for your holidays. The weather is often not a good and not conducive to spending time outdoors.

March is in the fall / autumn in Rio Negro and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 26°C (78°F), whilst at night 15°C (59°F) is normal.

On average March is the 3rd driest month of the year in Rio Negro with around 143mm 5.6 inches of rain making it a wet time to visit. This rainfall is typically spread over 23 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.1 hours of sunshine per day.

Rio Negro weather in March »

April

Rio Negro April weather averages
Temp Rain Sunshine Day length
21°C 76mm 3.2hrs 12.3hrs

Rio Negro's weather in April is typically mild and reasonably dry in nature.

It is perhaps the perfect month to visit Rio Negro, with some very good weather at this time of year.

April is in the fall / autumn in Rio Negro and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 12°C (53°F) is normal.

On average April is the 4th driest month of the year in Rio Negro with around 76mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.2 hours of sunshine per day.

Rio Negro weather in April »

May

Rio Negro May weather averages
Temp Rain Sunshine Day length
18°C 101mm 3.3hrs 11.7hrs

May is a damp month in Rio Negro and the temperature is generally mild.

Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Rio Negro.

May is in the fall / autumn in Rio Negro and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 9°C (48°F) is normal.

On average May is the 5th driest month of the year in Rio Negro with around 101mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.3 hours of sunshine per day.

Rio Negro weather in May »

June

Rio Negro June weather averages
Temp Rain Sunshine Day length
17°C 97mm 3.3hrs 14.4hrs

Mild and a little damp weather often prevails in Rio Negro during the month of June

Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Rio Negro.

June is in the winter in Rio Negro and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 7°C (45°F) is normal.

On average June is the 6th driest month of the year in Rio Negro with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.3 hours of sunshine per day.

Rio Negro weather in June »

July

Rio Negro July weather averages
Temp Rain Sunshine Day length
17°C 86mm 3.4hrs 13.8hrs

July in Rio Negro is generally a little damp with the temperature being mild.

Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Rio Negro.

July is in the winter in Rio Negro and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 19°C (67°F), whilst at night 7°C (44°F) is normal.

On average July is the 6th wettest month of the year in Rio Negro with around 86mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.4 hours of sunshine per day.

Rio Negro weather in July »

August

Rio Negro August weather averages
Temp Rain Sunshine Day length
19°C 91mm 3.2hrs 13hrs

The weather in August in Rio Negro is characteristically mild and a little damp.

It is perhaps the perfect month to visit Rio Negro, with some surprisingly good weather at this time of year.

August is in the winter in Rio Negro and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 8°C (46°F) is normal.

On average August is the 5th wettest month of the year in Rio Negro with around 91mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.2 hours of sunshine per day.

Rio Negro weather in August »

September

Rio Negro September weather averages
Temp Rain Sunshine Day length
19°C 121mm 2.7hrs 12.3hrs

Rio Negro's weather in September is typically mild and wet in nature.

Based on weather alone, this is probably a time of year to avoid going to Rio Negro for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.

September is in the spring in Rio Negro and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 10°C (50°F) is normal.

On average September is the 4th wettest month of the year in Rio Negro with around 121mm 4.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 2.7 hours of sunshine per day.

Rio Negro weather in September »

October

Rio Negro October weather averages
Temp Rain Sunshine Day length
21°C 141mm 3.1hrs 11.7hrs

October is a wet month in Rio Negro and the temperature is generally mild.

Based on weather alone, this is probably a time of year to avoid going to Rio Negro for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.

October is in the spring in Rio Negro and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 12°C (53°F) is normal.

On average October is the 3rd wettest month of the year in Rio Negro with around 141mm 5.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.1 hours of sunshine per day.

Rio Negro weather in October »

November

Rio Negro November weather averages
Temp Rain Sunshine Day length
23°C 113mm 3.8hrs 14.4hrs

The climate in Rio Negro during November can be summarized as warm and damp.

Based on weather alone, this is probably a time of year to avoid going to Rio Negro for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.

November is in the spring in Rio Negro and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 13°C (56°F) is normal.

On average November is the 2nd wettest month of the year in Rio Negro with around 113mm 4.4 inches of rain making it a damp time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.8 hours of sunshine per day.

Rio Negro weather in November »

December

Rio Negro December weather averages
Temp Rain Sunshine Day length
23°C 152mm 3.5hrs 13.8hrs

December in Rio Negro is generally wet with the temperature being warm.

Based on weather alone, this is probably a time of year to avoid going to Rio Negro for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.

December is in the summer in Rio Negro and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 15°C (59°F) is normal.

On average December is the wettest month of the year in Rio Negro with around 152mm 6 inches of rain making it a wet time to visit. This rainfall is typically spread over 24 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.5 hours of sunshine per day.

Rio Negro weather in December »

Other monthly averages

UV index Best time to go?

Rio Negro weather stats

Rio Negro weather statistics
Hottest month: February 26.5°C 79.7°F
Driest month: April 76mm 3ins
Sunniest month: June 3.3hrs
Coldest month: July 18.9°C 66°F
Wettest month: February 166mm 6.5ins
Warmest sea: February 26.4°C 79.5°F
Map showing location of Rio Negro (-26.10583, -49.7975) Rio Negro map pin © Google

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