Climate and monthly weather forecastCaldera, Costa Rica
Climate and monthly weather forecast
Weather in January
January is a hot winter month in Caldera, Costa Rica, with an average temperature ranging between min 21.9°C (71.4°F) and max 30.8°C (87.4°F). January's beginning signals an average high-temperature of a tropical 30.8°C (87.4°F), barely different from December's 29.7°C (85.5°F). Weather in January »Weather in February
February, the last month of the winter in Caldera, is another hot month, with an average temperature ranging between min 22.5°C (72.5°F) and max 32°C (89.6°F). February's arrival brings an average high-temperature of a still tropical 32°C (89.6°F), demonstrating subtle variation from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is also a hot month in Caldera, Costa Rica, with temperature in the range of an average low of 23°C (73.4°F) and an average high of 32.8°C (91°F). March, having an average high-temperature of 32.8°C (91°F) and an average low-temperature of 23°C (73.4°F), is the warmest month. March's average heat index is appraised at a blistering 40°C (104°F). Weather in March »Weather in April
April, like March, is another hot spring month in Caldera, Costa Rica, with an average temperature ranging between max 32.5°C (90.5°F) and min 24.3°C (75.7°F). April ushers in an average high-temperature of a still hot 32.5°C (90.5°F), aligning closely with the preceding month. Weather in April »Weather in May
The last month of the spring, May, is also a hot month in Caldera, Costa Rica, with temperature in the range of an average high of 30.7°C (87.3°F) and an average low of 24.6°C (76.3°F). Caldera starts May with an average high-temperature of a still tropical 30.7°C (87.3°F), hinting at a minimal fluctuation from April. Weather in May »Weather in June
June, the first month of the summer in Caldera, is also a moderately hot month, with an average temperature ranging between max 29.4°C (84.9°F) and min 24°C (75.2°F). Upon the beginning of June, Caldera's high-temperatures register at a moderately hot 29.4°C (84.9°F), closely mirroring the preceding month. Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Caldera, Costa Rica, with an average temperature fluctuating between 23.2°C (73.8°F) and 29.3°C (84.7°F). The advent of July denotes an average high-temperature of a still moderately hot 29.3°C (84.7°F), subtly different from June's 29.4°C (84.9°F). Weather in July »Weather in August
August, the last month of the summer in Caldera, is another warm month, with an average temperature varying between 23.4°C (74.1°F) and 29.4°C (84.9°F). As July transitions into August, the average high-temperature rests at a still moderately hot 29.4°C (84.9°F), maintaining a close resemblance to the previous month. Weather in August »Weather in September
September, the first month of the autumn in Caldera, is still a warm month, with an average temperature fluctuating between 23.2°C (73.8°F) and 28.9°C (84°F). As August turns into September, the average high-temperatures rest at a still moderately hot 28.9°C (84°F), showing a minor variation from the prior month. Weather in September »Weather in October
October, the same as September, is another warm autumn month in Caldera, Costa Rica, with temperature in the range of an average high of 28.4°C (83.1°F) and an average low of 23.3°C (73.9°F). October, known for its average high temperature of 28.4°C (83.1°F) and an average low temperature of 23.3°C (73.9°F), is the coldest month. Throughout October, the heat index is appraised at a hot 34°C (93.2°F). Weather in October »Weather in November
The last month of the autumn, November, is also a moderately hot month in Caldera, Costa Rica, with an average temperature ranging between min 22.8°C (73°F) and max 29.1°C (84.4°F). The average high-temperature for November is a still moderately hot 29.1°C (84.4°F), closely aligning with the temperature of the preceding month. Weather in November »Weather in December
The first month of the winter, December, is still a warm month in Caldera, Costa Rica, with an average temperature varying between 22.1°C (71.8°F) and 29.7°C (85.5°F). As Caldera welcomes December, the average high-temperature records at a still warm 29.7°C (85.5°F), marking an insignificant deviation from the prior month. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Caldera, Costa Rica
The warmest month (with the highest average high temperature) is March (32.8°C).
The month with the lowest average high temperature is October (28.4°C).
The month with the highest average low temperature is May (24.6°C).
The coldest month (with the lowest average low temperature) is January (21.9°C).
Average pressure
Caldera, Costa Rica
- Average pressure in January:
1011.5mbar - Average pressure in February:
1011.2mbar - Average pressure in March:
1011.2mbar - Average pressure in April:
1010.8mbar - Average pressure in May:
1010.7mbar - Average pressure in June:
1010.7mbar
- Average pressure in July:
1010.9mbar - Average pressure in August:
1010.8mbar - Average pressure in September:
1010.8mbar - Average pressure in October:
1010.5mbar - Average pressure in November:
1010.6mbar - Average pressure in December:
1011mbar
The month with the highest atmospheric pressure is January (1011.5mbar).
The month with the lowest atmospheric pressure is October (1010.5mbar).
Average wind speed
Caldera, Costa Rica
- Average wind speed in January:
10.7km/h - Average wind speed in February:
11.1km/h - Average wind speed in March:
10.2km/h - Average wind speed in April:
7.9km/h - Average wind speed in May:
6.5km/h - Average wind speed in June:
5.8km/h
- Average wind speed in July:
6.2km/h - Average wind speed in August:
5.8km/h - Average wind speed in September:
5.5km/h - Average wind speed in October:
5.9km/h - Average wind speed in November:
7.1km/h - Average wind speed in December:
8.8km/h
The windiest month (with the highest average wind speed) is February (11.1km/h).
The calmest month (with the lowest average wind speed) is September (5.5km/h).
Average humidity
Caldera, Costa Rica
The month with the highest relative humidity is October (83%).
The month with the lowest relative humidity is March (63%).
Average rainfall
Caldera, Costa Rica
The wettest month (with the highest rainfall) is October (330mm).
The driest month (with the least rainfall) is February (3mm).
Average rainfall days
Caldera, Costa Rica
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
3.1 days - Average rainfall days in March:
4.5 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
25.3 days - Average rainfall days in June:
26.8 days
- Average rainfall days in July:
26.3 days - Average rainfall days in August:
26.4 days - Average rainfall days in September:
27.7 days - Average rainfall days in October:
27.4 days - Average rainfall days in November:
22.1 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is September (27.7 days).
The month with the least rainy days is February (3.1 days).
Average daylight / Average sunshine
Caldera, 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 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:
8h and 18min - Average sunshine in February:
8h and 54min - Average sunshine in March:
9h and 54min - Average sunshine in April:
9h and 30min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
8h and 54min - Average sunshine in September:
8h and 42min - Average sunshine in October:
8h and 0min - Average sunshine in November:
9h and 0min - Average sunshine in December:
9h and 36min
The month with the most sunshine is March (Average sunshine: 9h and 54min).
The month with the least sunshine is October (Average sunshine: 8h and 0min).
Average sunshine days
Caldera, Costa Rica
- Average sunshine days in January:
25.8 days - Average sunshine days in February:
24.8 days - Average sunshine days in March:
25.3 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
5.3 days - Average sunshine days in June:
2.5 days
- Average sunshine days in July:
4 days - Average sunshine days in August:
3.7 days - Average sunshine days in September:
1.4 days - Average sunshine days in October:
2.7 days - Average sunshine days in November:
6.2 days - Average sunshine days in December:
18.2 days
The month with the most sunshine days is January (25.8 days).
The month with the least sunshine days is September (1.4 days).
Average UV index
Caldera, Costa Rica
The months with the highest UV index are January, February, March, April, May, June, July, August, September and December (UV index 7).
The months with the lowest UV index are October and November (UV index 6).
Average cloud cover
Caldera, Costa Rica
The month with the most cloud cover is October (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 10).
Average visibility
Caldera, 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).





