Climate and monthly weather forecastAlfaro, Costa Rica
Alfaro, 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 least humid month in Alfaro, Costa Rica, is March, with an average relative humidity of 70%. October, recording an average high temperature of 25.4°C (77.7°F) and a low temperature of 18.9°C (66°F), is Alfaro's coldest month.
Climate and monthly weather forecast
Weather in January
January, the same as December, is a moderately hot winter month in Alfaro, Costa Rica, with an average temperature varying between 27.3°C (81.1°F) and 16.8°C (62.2°F). January's average high-temperature stands at a still moderately hot 27.3°C (81.1°F), showing little deviation from December's 26.5°C (79.7°F). Weather in January »Weather in February
February, the last month of the winter in Alfaro, is also a moderately hot month, with temperature in the range of an average low of 17.2°C (63°F) and an average high of 28.3°C (82.9°F). As Alfaro, Costa Rica, welcomes February, the average high-temperature records at a still moderately hot 28.3°C (82.9°F), marking an insignificant deviation from the prior month. Weather in February »Weather in March
March, the first month of the spring in Alfaro, is still a warm month, with an average temperature varying between 17.9°C (64.2°F) and 29.7°C (85.5°F). March and April, with an average high-temperature of 29.7°C (85.5°F), are marked as the warmest months. Throughout March, the heat index is calculated to be a hot 34°C (93.2°F). Weather in March »Weather in April
April, like March, in Alfaro, Costa Rica, is another warm spring month, with temperature in the range of an average low of 19.2°C (66.6°F) and an average high of 29.7°C (85.5°F). In Alfaro, the months of March and April are known for the peak temperatures, reaching an average high of 29.7°C (85.5°F). The heat index value during April is calculated to be a very hot 35°C (95°F). Weather in April »Weather in May
May, the last month of the spring in Alfaro, is also a moderately hot month, with temperature in the range of an average high of 27.7°C (81.9°F) and an average low of 19.8°C (67.6°F). The advent of May signifies a minor shift to an average high-temperature of a still warm 27.7°C (81.9°F), aligning closely with April. Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Alfaro, Costa Rica, with temperature in the range of an average low of 19.5°C (67.1°F) and an average high of 26.3°C (79.3°F). The advent of June presents an average high-temperature of a still warm 26.3°C (79.3°F), maintaining a close correlation with the preceding month. Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Alfaro, Costa Rica, with an average temperature fluctuating between 26.3°C (79.3°F) and 18.9°C (66°F). July signals a high temperature of a still warm 26.3°C (79.3°F), showing little variation from June. Weather in July »Weather in August
August, the last month of the summer in Alfaro, is also a moderately hot month, with an average temperature varying between 19.3°C (66.7°F) and 26.7°C (80.1°F). The start of August sees the average high-temperature at a still warm 26.7°C (80.1°F), showing little difference from July's 26.3°C (79.3°F). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Alfaro, Costa Rica, with an average temperature varying between 19.2°C (66.6°F) and 26.3°C (79.3°F). The shift to September signals an average high-temperature of a still moderately hot 26.3°C (79.3°F), subtly varied from August's 26.7°C (80.1°F). Weather in September »Weather in October
October, like September, in Alfaro, Costa Rica, is a moderately hot autumn month, with temperature in the range of an average low of 18.9°C (66°F) and an average high of 25.4°C (77.7°F). October, with average temperatures reaching a high of 25.4°C (77.7°F) and a low of 18.9°C (66°F), is the coldest month. Weather in October »Weather in November
The last month of the autumn, November, is another warm month in Alfaro, Costa Rica, with an average temperature varying between 18.2°C (64.8°F) and 25.9°C (78.6°F). October's transformation into November witnesses an average high-temperature of a still moderately hot 25.9°C (78.6°F), noting a minor change from the preceding month. Weather in November »Weather in December
December, the first month of the winter in Alfaro, is still a warm month, with an average temperature fluctuating between 26.5°C (79.7°F) and 17.2°C (63°F). December reports an average high-temperature of a still moderately hot 26.5°C (79.7°F), slightly varied from November's 25.9°C (78.6°F). Weather in December »Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Throughout the year, there are 272 rainfall days, and 2217mm (87.28") of precipitation is accumulated.
The months with the highest UV index in Alfaro are January through April, June, July, September, October and December, with an average maximum UV index of 6.
February is the month with the least rainfall in Alfaro. Rain falls for 10.3 days and accumulates 17mm (0.67") of precipitation.
March and April are characterised by peak temperatures, with an average high of 29.7°C (85.5°F).
The least humid month in Alfaro, Costa Rica, is March, with an average relative humidity of 70%.
With an average of 9.4h of sunshine, March has the most sunshine of the year in Alfaro.
May, August and November, with an average maximum UV index of 5, are months with the lowest UV index in Alfaro.
With an average of 12h and 42min of daylight, June has the longest days of the year in Alfaro, Costa Rica.
October, recording an average high temperature of 25.4°C (77.7°F) and a low temperature of 18.9°C (66°F), is Alfaro's coldest month.
With an average relative humidity of 89%, October is the most humid month.
October is the month with the most rainfall in Alfaro. Rain falls for 30.2 days and accumulates 396mm (15.59") of precipitation.
The month with the least sunshine in Alfaro is October, with an average of 7h of sunshine.
December has the shortest days of the year, with an average of 11h and 30min of daylight.
Alfaro, Costa Rica, does not utilize Daylight Saving Time (DST). CST timezone is used over the entire year.
Average temperature
Alfaro, Costa Rica
The warmest months (with the highest average high temperature) are March and April (29.7°C).
The month with the lowest average high temperature is October (25.4°C).
The month with the highest average low temperature is May (19.8°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).
Average pressure
Alfaro, Costa Rica
- Average pressure in January:
1012.1mbar - Average pressure in February:
1011.8mbar - Average pressure in March:
1011.9mbar - Average pressure in April:
1011.3mbar - Average pressure in May:
1011mbar - Average pressure in June:
1011mbar
- Average pressure in July:
1011.3mbar - Average pressure in August:
1011.2mbar - Average pressure in September:
1011mbar - Average pressure in October:
1010.7mbar - Average pressure in November:
1010.9mbar - Average pressure in December:
1011.5mbar
The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is October (1010.7mbar).
Average wind speed
Alfaro, Costa Rica
- Average wind speed in January:
10.5km/h - Average wind speed in February:
10.6km/h - Average wind speed in March:
9.5km/h - Average wind speed in April:
6.6km/h - Average wind speed in May:
4.8km/h - Average wind speed in June:
4.5km/h
- Average wind speed in July:
6km/h - Average wind speed in August:
4.6km/h - Average wind speed in September:
3.8km/h - Average wind speed in October:
4.1km/h - Average wind speed in November:
6.2km/h - Average wind speed in December:
8.7km/h
The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest month (with the lowest average wind speed) is September (3.8km/h).
Average humidity
Alfaro, Costa Rica
The month with the highest relative humidity is October (89%).
The month with the lowest relative humidity is March (70%).
Average rainfall
Alfaro, Costa Rica
- Average rainfall in January:
21mm - Average rainfall in February:
17mm - Average rainfall in March:
21mm - Average rainfall in April:
86mm - Average rainfall in May:
339mm - Average rainfall in June:
323mm
- Average rainfall in July:
249mm - Average rainfall in August:
287mm - Average rainfall in September:
288mm - Average rainfall in October:
396mm - Average rainfall in November:
144mm - Average rainfall in December:
46mm
The wettest month (with the highest rainfall) is October (396mm).
The driest month (with the least rainfall) is February (17mm).
Average rainfall days
Alfaro, Costa Rica
- Average rainfall days in January:
11.3 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
14.5 days - Average rainfall days in April:
20 days - Average rainfall days in May:
27.2 days - Average rainfall days in June:
28 days
- Average rainfall days in July:
28.3 days - Average rainfall days in August:
27.6 days - Average rainfall days in September:
29.4 days - Average rainfall days in October:
30.2 days - Average rainfall days in November:
26.9 days - Average rainfall days in December:
18.3 days
The month with the highest number of rainy days is October (30.2 days).
The month with the least rainy days is February (10.3 days).
Average daylight / Average sunshine
Alfaro, Costa Rica
- Average daylight in January:
11h and 36min - Average daylight in February:
11h and 48min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 24min - Average daylight in May:
12h and 36min - 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 30min
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 30min).
- Average sunshine in January:
8h and 18min - Average sunshine in February:
9h and 6min - Average sunshine in March:
9h and 24min - Average sunshine in April:
9h and 6min - Average sunshine in May:
7h and 48min - Average sunshine in June:
7h and 48min
- Average sunshine in July:
8h and 36min - Average sunshine in August:
7h and 48min - Average sunshine in September:
7h and 36min - Average sunshine in October:
7h and 0min - Average sunshine in November:
7h and 30min - Average sunshine in December:
8h and 42min
The month with the most sunshine is March (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 7h and 0min).
Average sunshine days
Alfaro, Costa Rica
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
15 days - Average sunshine days in March:
14.6 days - Average sunshine days in April:
8.2 days - Average sunshine days in May:
2.8 days - Average sunshine days in June:
1.7 days
- Average sunshine days in July:
2.2 days - Average sunshine days in August:
2.8 days - Average sunshine days in September:
0.5 days - Average sunshine days in October:
0.6 days - Average sunshine days in November:
2.4 days - Average sunshine days in December:
10.1 days
The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is September (0.5 days).
Average UV index
Alfaro, Costa Rica
The months with the highest UV index are January, February, March, April, June, July, September, October and December (UV index 6).
The months with the lowest UV index are May, August and November (UV index 5).
Average cloud cover
Alfaro, Costa Rica
The month with the most cloud cover is October (Cloud cover 54).
The month with the least cloud cover is February (Cloud cover 19).
Average visibility
Alfaro, Costa Rica
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are August, September, October and November (7km).
