When is the best time to go to Oeiras
The chart above shows the best time of year to visit Oeiras, 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 Oeiras
Oeiras weather by month
Please note our recommendations for when to visit Oeiras 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
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 161mm | 5.4hrs | 13.2hrs |
Oeiras's weather in January is typically hot, humid and wet in nature.
Based on weather alone, this is probably a time of year to avoid going to Oeiras for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
January is in the summer in Oeiras and is typically the coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 22°C (72°F) is normal.
On average January is the driest month of the year in Oeiras with around 161mm 6.3 inches of rain making it a wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.4 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 165mm | 5.8hrs | 13hrs |
February in Oeiras is generally wet with the temperature being hot.
Based on weather alone, this is probably a time of year to avoid going to Oeiras for your holidays. The weather is often not a good and not conducive to spending time outdoors.
February is in the summer in Oeiras and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 22°C (72°F) is normal.
On average February is the 2nd driest month of the year in Oeiras with around 165mm 6.5 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 5.8 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 177mm | 6.2hrs | 12.8hrs |
The weather in March in Oeiras is characteristically hot, humid and wet.
Based on weather alone, this is probably a time of year to avoid going to Oeiras for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
March is in the fall / autumn in Oeiras and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 21°C (70°F) is normal.
On average March is the 3rd driest month of the year in Oeiras with around 177mm 7 inches of rain making it a wet time to visit. This rainfall is typically spread over 27 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.2 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 114mm | 7.2hrs | 12.7hrs |
Oeiras's weather in April is typically hot, humid and damp in nature.
Based on weather alone, this is probably a time of year to avoid going to Oeiras for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
April is in the fall / autumn in Oeiras and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 22°C (71°F) is normal.
On average April is the 4th driest month of the year in Oeiras with around 114mm 4.5 inches of rain making it a damp 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 7.2 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 20mm | 8.6hrs | 12.5hrs |
May is a dry month in Oeiras and the temperature is generally hot.
It is perhaps a good month to visit Oeiras, with some inordinately good weather at this time of year.
May is in the fall / autumn in Oeiras and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a warm 32°C (89°F), whilst at night 21°C (70°F) is normal.
On average May is the 5th driest month of the year in Oeiras with around 20mm 0.8 inches of rain making it a dry 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 8.6 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 30°C | 6mm | 9.3hrs | 13.2hrs |
Oeiras's weather in June is typically hot and very dry in nature.
It is perhaps the perfect month to visit Oeiras, with some extremely good weather at this time of year.
June is in the winter in Oeiras and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a warm 33°C (91°F), whilst at night 20°C (68°F) is normal.
On average June is the 6th driest month of the year in Oeiras with around 6mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9.3 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 30°C | 2mm | 9.7hrs | 13hrs |
July in Oeiras is generally very dry with the temperature being hot.
It is perhaps the perfect month to visit Oeiras, with some surprisingly good weather at this time of year.
July is in the winter in Oeiras and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a warm 33°C (92°F), whilst at night 20°C (68°F) is normal.
On average July is the 6th wettest month of the year in Oeiras with around 2mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9.7 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 31°C | 1mm | 10hrs | 12.8hrs |
The weather in August in Oeiras is characteristically hot and very dry.
It is perhaps the perfect month to visit Oeiras, with some extremely good weather at this time of year.
August is in the winter in Oeiras and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a warm 35°C (94°F), whilst at night 21°C (69°F) is normal.
On average August is the 5th wettest month of the year in Oeiras with around 1mm 0 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 10 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 32°C | 8mm | 9.7hrs | 12.7hrs |
Oeiras's weather in September is typically very hot and very dry in nature.
It is perhaps the perfect month to visit Oeiras, with some extremely good weather at this time of year.
September is in the spring in Oeiras and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a warm 36°C (97°F), whilst at night 23°C (73°F) is normal.
On average September is the 4th wettest month of the year in Oeiras with around 8mm 0.3 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9.7 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 32°C | 33mm | 8.8hrs | 12.5hrs |
October is a reasonably dry month in Oeiras and the temperature is generally very hot.
It is perhaps a good month to visit Oeiras, with some very good weather at this time of year.
October is in the spring in Oeiras and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a warm 35°C (95°F), whilst at night 24°C (75°F) is normal.
On average October is the 3rd wettest month of the year in Oeiras with around 33mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.8 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 32°C | 75mm | 8.1hrs | 13.2hrs |
November in Oeiras is generally reasonably dry with the temperature being very hot.
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 Oeiras.
November is in the spring in Oeiras and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a warm 35°C (95°F), whilst at night 23°C (74°F) is normal.
On average November is the 2nd wettest month of the year in Oeiras with around 75mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.1 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 30°C | 119mm | 6.8hrs | 13hrs |
December in Oeiras is generally damp with the temperature being very hot.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Oeiras.
December is in the summer in Oeiras and is typically the warmest month of the year. Daytime maximum temperatures average around a warm 34°C (92°F), whilst at night 23°C (73°F) is normal.
On average December is the wettest month of the year in Oeiras with around 119mm 4.7 inches of rain making it a 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 6.8 hours of sunshine per day.
Other monthly averages
Oeiras weather stats
| Hottest month: | September | 35.6°C 96.1°F |
|---|---|---|
| Driest month: | August | 1mm 0ins |
| Sunniest month: | August | 10hrs |
| Coldest month: | March | 31.1°C 88°F |
| Wettest month: | March | 177mm 7ins |
| Warmest sea: | April | 28°C 82.4°F |
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