Monthly weather forecast and climate
Mona, Costa Rica

Weather in January

January, the same as December, is another warm winter month in Mona, Costa Rica, with temperature in the range of an average high of 29.8°C (85.6°F) and an average low of 20.5°C (68.9°F). In January, the average high-temperature is almost the same as in December - a still moderately hot 29.8°C (85.6°F). Weather in January »

Weather in February

The last month of the winter, February, is a tropical month in Mona, Costa Rica, with temperature in the range of an average low of 20.8°C (69.4°F) and an average high of 31.2°C (88.2°F). In Mona, the average high-temperature is almost the same as in January - a hot 31.2°C (88.2°F). Weather in February »

Weather in March

March, the first month of the spring, in Mona, is still a hot month, with average temperature ranging between min 21.6°C (70.9°F) and max 31.7°C (89.1°F). The warmest month is March, with an average high-temperature of 31.7°C (89.1°F) and an average low-temperature of 21.6°C (70.9°F). In March, the average heat index is calculated to a scorching 40.2°C (104.4°F). Weather in March »

Weather in April

April, like March, is another tropical spring month in Mona, Costa Rica, with average temperature ranging between max 30.8°C (87.4°F) and min 22.4°C (72.3°F). In April, the average high-temperature is essentially the same as in March - a still tropical 30.8°C (87.4°F). Weather in April »

Weather in May

The last month of the spring, May, is another warm month in Mona, Costa Rica, with average temperature fluctuating between 22.7°C (72.9°F) and 29.3°C (84.7°F). In May, the average high-temperature is essentially the same as in April - a moderately hot 29.3°C (84.7°F). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Mona, Costa Rica, with average temperature varying between 28.8°C (83.8°F) and 22.4°C (72.3°F). In June, the average high-temperature is almost the same as in May - a still warm 28.8°C (83.8°F). Weather in June »

Weather in July

July, like June, in Mona, Costa Rica, is a moderately hot summer month, with average temperature ranging between min 22°C (71.6°F) and max 28.3°C (82.9°F). In Mona, the average high-temperature in July is practically the same as in June - a still warm 28.3°C (82.9°F). Weather in July »

Weather in August

August, the last month of the summer, in Mona, is another warm month, with average temperature varying between 22.2°C (72°F) and 28.6°C (83.5°F). In August, the average high-temperature is essentially the same as in July - a still moderately hot 28.6°C (83.5°F). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Mona, Costa Rica, with temperature in the range of an average low of 21.9°C (71.4°F) and an average high of 28.4°C (83.1°F). In Mona, the average high-temperature in September is essentially the same as in August - a still warm 28.4°C (83.1°F). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Mona, Costa Rica, with average temperature fluctuating between 27.6°C (81.7°F) and 21.9°C (71.4°F). With an average high-temperature of 27.6°C (81.7°F) and an average low-temperature of 21.9°C (71.4°F), October is the coldest month. The average heat index is estimated at a hot 31.9°C (89.4°F). Weather in October »

Weather in November

November, the last month of the autumn, in Mona, is another warm month, with average temperature fluctuating between 21.5°C (70.7°F) and 27.7°C (81.9°F). In Mona, the average high-temperature in November is almost the same as in October - a still warm 27.7°C (81.9°F). Weather in November »

Weather in December

December, the first month of the winter, in Mona, is still a warm month, with average temperature fluctuating between 28.6°C (83.5°F) and 20.8°C (69.4°F). In Mona, Costa Rica, the average high-temperature in December is almost the same as in November - a still moderately hot 28.6°C (83.5°F). Weather in December »
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FAQ

How much does it rain in Mona?

In Mona, Costa Rica, during the entire year, the rain falls for 309.5 days and collects up to 2106mm (82.91") of precipitation.

What are the months with the lowest UV index in Mona?

January, February, June through December, with an average maximum UV index of 6, are months with the lowest UV index in Mona, Costa Rica.

What is the driest month in Mona?

The month with the least rainfall in Mona, Costa Rica, is February when the rain falls for 14.3 days and typically collects 34mm (1.34") of precipitation.

What month has the most sunshine in Mona?

With an average of 9.6h of sunshine, February has the most sunshine of the year in Mona, Costa Rica.

What is the warmest month in Mona?

March is the warmest month in Mona, with an average high-temperature of 31.7°C (89.1°F) and an average low-temperature of 21.6°C (70.9°F).

What is the least humid month in Mona?

March is the least humid month in Mona, with an average relative humidity of 72%.

What are the months with the highest UV index in Mona?

Months with the highest UV index are March through May, with an average maximum UV index of 7.

When are the longest days in Mona?

June and July, with an average of 12.6h of daylight, are months with the longest days in Mona, Costa Rica.

What is the coldest month in Mona?

The coldest month in Mona is October, with an average high-temperature of 27.6°C (81.7°F) and an average low-temperature of 21.9°C (71.4°F).

What is the most humid month in Mona?

Months with the highest humidity in Mona, Costa Rica, are October and November, with an average relative humidity of 86%.

What is the rainiest month in Mona?

The month with the most rainfall is October when the rain falls for 29.5 days and typically aggregates up to 286mm (11.26") of precipitation.

What is the month with the least sunshine in Mona?

The month with the least sunshine is October, with an average of 7.6h of sunshine.

What is the month with the shortest days in Mona?

With an average of 11.6h of daylight, December has the shortest days of the year.

Average temperature
Mona, Costa Rica

Average temperature - Mona, Costa Rica

The warmest month (with the highest average high temperature) is March (31.7°C).
The month with the lowest average high temperature is October (27.6°C).

The month with the highest average low temperature is May (22.7°C).
The coldest month (with the lowest average low temperature) is January (20.5°C).

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Average pressure
Mona, Costa Rica

Average pressure - Mona, Costa Rica

The month with the highest atmospheric pressure is January (1011.6mbar).
Months with the lowest atmospheric pressure are October and November (1010.8mbar).

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Average wind speed
Mona, Costa Rica

Average wind speed - Mona, Costa Rica

The windiest month (with the highest average wind speed) is March (6km/h).
The calmest months (with the lowest average wind speed) are July and August (4.5km/h).

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Average humidity
Mona, Costa Rica

Average humidity - Mona, Costa Rica

Months with the highest relative humidity are October and November (86%).
The month with the lowest relative humidity is March (72%).

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Average rainfall
Mona, Costa Rica

Average rainfall - Mona, Costa Rica

The wettest month (with the highest rainfall) is October (286mm).
The driest month (with the least rainfall) is February (34mm).

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Average rainfall days
Mona, Costa Rica

Average rainfall days - Mona, Costa Rica

The month with the highest number of rainy days is July (30.7 days).
The month with the least rainy days is February (14.3 days).

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Average daylight / Average sunshine
Mona, Costa Rica

Average daylight / Average sunshine - Mona, Costa Rica

Months with the longest days are June and July (Average daylight: 12.6h).
The month with the shortest days is December (Average daylight: 11.6h).

The month with the most sunshine is February (Average sunshine: 9.6h).
The month with the least sunshine is October (Average sunshine: 7.6h).

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Average sunshine days
Mona, Costa Rica

Average sunshine days - Mona, Costa Rica

The month with the most sunshine days is January (9.1 days).
The month with the least sunshine days is August (0.1 days).

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Average UV index
Mona, Costa Rica

Average UV index - Mona, Costa Rica

Months with the highest UV index are March, April and May (UV index 7).
Months with the lowest UV index are January, February, June, July, August, September, October, November and December (UV index 6).

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Average visibility
Mona, Costa Rica

Average visibility - Mona, Costa Rica

Months with the highest visibility are January, February, March and April (10km).
The month with the lowest visibility is November (8km).

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