Climate and monthly weather forecastBuenos Aires, Costa Rica
Buenos Aires, Costa Rica - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. The month with the most rainfall in Buenos Aires is October, when the rain falls for 28.7 days and typically aggregates up to 362mm (14.25") of precipitation. In Buenos Aires, during the entire year, the rain falls for 327.5 days and collects up to 2299mm (90.51") of precipitation.
Climate and monthly weather forecast
Weather in January
January, like December, in Buenos Aires, Costa Rica, is another warm winter month, with an average temperature fluctuating between 23.3°C (73.9°F) and 29.3°C (84.7°F). The advent of January signifies a minor shift to an average high-temperature of a still warm 29.3°C (84.7°F), aligning closely with December. Weather in January »Weather in February
The last month of the winter, February, is a tropical month in Buenos Aires, Costa Rica, with temperature in the range of an average low of 23.6°C (74.5°F) and an average high of 30°C (86°F). Buenos Aires marks the onset of February with an average high-temperature of a tropical 30°C (86°F), a subtle shift from January's 29.3°C (84.7°F). Weather in February »Weather in March
The first month of the spring, March, is still a tropical month in Buenos Aires, Costa Rica, with an average temperature fluctuating between 30.7°C (87.3°F) and 24.4°C (75.9°F). March is the month when Buenos Aires experiences its warmest temperatures, averaging a high of 30.7°C (87.3°F) and a low of 24.4°C (75.9°F). In March, the average heat index is estimated at a very hot 38°C (100.4°F). Weather in March »Weather in April
April, like March, is a hot spring month in Buenos Aires, Costa Rica, with an average temperature fluctuating between 25°C (77°F) and 30.3°C (86.5°F). April's average high-temperature stands at a still hot 30.3°C (86.5°F), showing little deviation from March's 30.7°C (87.3°F). Weather in April »Weather in May
The last month of the spring, May, is another warm month in Buenos Aires, Costa Rica, with an average temperature varying between 29.3°C (84.7°F) and 24.8°C (76.6°F). Shifting into May, Buenos Aires records an average high-temperature of a moderately hot 29.3°C (84.7°F), presenting minor fluctuations compared to the previous month. Weather in May »Weather in June
June, the first month of the summer in Buenos Aires, is still a warm month, with an average temperature varying between 28.7°C (83.7°F) and 24.7°C (76.5°F). Buenos Aires's average high-temperature in June sits at a still warm 28.7°C (83.7°F), showing little difference from the previous month. Weather in June »Weather in July
July, like June, in Buenos Aires, Costa Rica, is a moderately hot summer month, with an average temperature fluctuating between 24.3°C (75.7°F) and 28.5°C (83.3°F). With the advent of July, Buenos Aires's high-temperatures adjust to a still moderately hot 28.5°C (83.3°F), closely aligning with the preceding month. Weather in July »Weather in August
August, the last month of the summer in Buenos Aires, is another warm month, with an average temperature ranging between min 24.5°C (76.1°F) and max 28.3°C (82.9°F). As Buenos Aires welcomes August, the average high-temperature records at a still warm 28.3°C (82.9°F), marking an insignificant deviation from the prior month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Buenos Aires, Costa Rica, with temperature in the range of an average high of 28.4°C (83.1°F) and an average low of 24.2°C (75.6°F). As September takes hold, the average high-temperature is a still warm 28.4°C (83.1°F), nearly mirroring that of the previous month. Weather in September »Weather in October
October, the same as September, is another warm autumn month in Buenos Aires, Costa Rica, with temperature in the range of an average high of 27.7°C (81.9°F) and an average low of 24.1°C (75.4°F). In Buenos Aires, the month of October is known for its lowest average temperatures, reaching a high of 27.7°C (81.9°F) and a low of 24.1°C (75.4°F). The average heat index in October is estimated at a tropical 32°C (89.6°F). Weather in October »Weather in November
The last month of the autumn, November, is another warm month in Buenos Aires, Costa Rica, with temperature in the range of an average low of 23.7°C (74.7°F) and an average high of 28°C (82.4°F). The average high-temperature is a still moderately hot 28°C (82.4°F) in November, hardly different from the 27.7°C (81.9°F) recorded in October. Weather in November »Weather in December
The first month of the winter, December, is still a warm month in Buenos Aires, Costa Rica, with an average temperature ranging between min 23.7°C (74.7°F) and max 28.5°C (83.3°F). Buenos Aires marks the arrival of December with an average high-temperature of a still moderately hot 28.5°C (83.3°F), hardly different from November's 28°C (82.4°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Buenos Aires, Costa Rica
The warmest month (with the highest average high temperature) is March (30.7°C).
The month with the lowest average high temperature is October (27.7°C).
The month with the highest average low temperature is April (25°C).
The coldest month (with the lowest average low temperature) is January (23.3°C).
Average pressure
Buenos Aires, Costa Rica
- Average pressure in January:
1011.4mbar - Average pressure in February:
1011.1mbar - Average pressure in March:
1011.2mbar - Average pressure in April:
1010.9mbar - Average pressure in May:
1011mbar - Average pressure in June:
1011.1mbar
- Average pressure in July:
1011.2mbar - Average pressure in August:
1011.2mbar - Average pressure in September:
1011.1mbar - Average pressure in October:
1010.9mbar - Average pressure in November:
1010.7mbar - Average pressure in December:
1011mbar
The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed
Buenos Aires, Costa Rica
- Average wind speed in January:
6.7km/h - Average wind speed in February:
7km/h - Average wind speed in March:
7.1km/h - Average wind speed in April:
7km/h - Average wind speed in May:
6.6km/h - Average wind speed in June:
6.6km/h
- Average wind speed in July:
6.6km/h - Average wind speed in August:
6.6km/h - Average wind speed in September:
6.8km/h - Average wind speed in October:
7.5km/h - Average wind speed in November:
7.2km/h - Average wind speed in December:
6.5km/h
The windiest month (with the highest average wind speed) is October (7.5km/h).
The calmest month (with the lowest average wind speed) is December (6.5km/h).
Average humidity
Buenos Aires, Costa Rica
The month with the highest relative humidity is November (85%).
The month with the lowest relative humidity is March (75%).
Average rainfall
Buenos Aires, Costa Rica
- Average rainfall in January:
82mm - Average rainfall in February:
44mm - Average rainfall in March:
57mm - Average rainfall in April:
148mm - Average rainfall in May:
257mm - Average rainfall in June:
229mm
- Average rainfall in July:
271mm - Average rainfall in August:
272mm - Average rainfall in September:
187mm - Average rainfall in October:
362mm - Average rainfall in November:
249mm - Average rainfall in December:
141mm
The wettest month (with the highest rainfall) is October (362mm).
The driest month (with the least rainfall) is February (44mm).
Average rainfall days
Buenos Aires, Costa Rica
- Average rainfall days in January:
24.5 days - Average rainfall days in February:
18.9 days - Average rainfall days in March:
23 days - Average rainfall days in April:
27.8 days - Average rainfall days in May:
29.6 days - Average rainfall days in June:
27.8 days
- Average rainfall days in July:
30.3 days - Average rainfall days in August:
30.2 days - Average rainfall days in September:
28.2 days - Average rainfall days in October:
28.7 days - Average rainfall days in November:
29.7 days - Average rainfall days in December:
28.8 days
The month with the highest number of rainy days is July (30.3 days).
The month with the least rainy days is February (18.9 days).
Average daylight / Average sunshine
Buenos Aires, Costa Rica
- Average daylight in January:
11h and 42min - Average daylight in February:
11h and 48min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 18min - Average daylight in May:
12h and 30min - Average daylight in June:
12h and 42min
- Average daylight in July:
12h and 36min - Average daylight in August:
12h and 24min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 54min - Average daylight in November:
11h and 42min - Average daylight in December:
11h and 36min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in January:
9h and 30min - Average sunshine in February:
9h and 30min - Average sunshine in March:
9h and 30min - Average sunshine in April:
8h and 54min - Average sunshine in May:
8h and 12min - Average sunshine in June:
8h and 6min
- Average sunshine in July:
8h and 6min - Average sunshine in August:
8h and 6min - Average sunshine in September:
8h and 18min - Average sunshine in October:
7h and 12min - Average sunshine in November:
7h and 54min - Average sunshine in December:
9h and 0min
The months with the most sunshine are January, February and March (Average sunshine: 9h and 30min).
The month with the least sunshine is October (Average sunshine: 7h and 12min).
Average sunshine days
Buenos Aires, Costa Rica
- Average sunshine days in January:
2.3 days - Average sunshine days in February:
3.6 days - Average sunshine days in March:
2.9 days - Average sunshine days in April:
0.7 days - Average sunshine days in May:
0.9 days - Average sunshine days in June:
1.8 days
- Average sunshine days in July:
0.6 days - Average sunshine days in August:
0.7 days - Average sunshine days in September:
1.3 days - Average sunshine days in October:
1.8 days - Average sunshine days in November:
0.1 days - Average sunshine days in December:
0.9 days
The month with the most sunshine days is February (3.6 days).
The month with the least sunshine days is November (0.1 days).
Average UV index
Buenos Aires, Costa Rica
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 7).
The month with the lowest UV index is November (UV index 6).
Average cloud cover
Buenos Aires, Costa Rica
The month with the most cloud cover is October (Cloud cover 52).
The month with the least cloud cover is February (Cloud cover 21).
Average visibility
Buenos Aires, Costa Rica
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).
