Monthly weather forecast and climate
Guarumal, Costa Rica

Weather in January

January, the same as December, is a moderately hot winter month in Guarumal, Costa Rica, with average temperature varying between 29.5°C (85.1°F) and 24.5°C (76.1°F). In Guarumal, Costa Rica, the average high-temperature is almost the same as in December - a still moderately hot 29.5°C (85.1°F). Weather in January »

Weather in February

February, the last month of the winter, in Guarumal, is also a moderately hot month, with average temperature ranging between max 29.9°C (85.8°F) and min 24.8°C (76.6°F). In February, the average high-temperature is essentially the same as in January - a still moderately hot 29.9°C (85.8°F). Weather in February »

Weather in March

March, the first month of the spring, in Guarumal, is a hot month, with average temperature ranging between max 30.3°C (86.5°F) and min 25.3°C (77.5°F). In March, the average high-temperature is relatively the same as in February - a hot 30.3°C (86.5°F). Weather in March »

Weather in April

April, the same as March, in Guarumal, Costa Rica, is a hot spring month, with average temperature varying between 30.4°C (86.7°F) and 26.2°C (79.2°F). With an average high-temperature of 30.4°C (86.7°F) and an average low-temperature of 26.2°C (79.2°F), April is the warmest month. In April, the average heat index is appraised at a very hot 36.3°C (97.3°F). Weather in April »

Weather in May

May, the last month of the spring, in Guarumal, is another warm month, with average temperature ranging between max 29.5°C (85.1°F) and min 26.2°C (79.2°F). In Guarumal, the average high-temperature is essentially the same as in April - a warm 29.5°C (85.1°F). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Guarumal, Costa Rica, with average temperature ranging between max 28.8°C (83.8°F) and min 25.5°C (77.9°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, the same as June, is a moderately hot summer month in Guarumal, Costa Rica, with temperature in the range of an average high of 28.7°C (83.7°F) and an average low of 25.4°C (77.7°F). In July, the average high-temperature is almost the same as in June - a still warm 28.7°C (83.7°F). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Guarumal, Costa Rica, with average temperature ranging between max 28.8°C (83.8°F) and min 25.3°C (77.5°F). In Guarumal, the average high-temperature in August is almost the same as in July - a still moderately hot 28.8°C (83.8°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Guarumal, Costa Rica, with average temperature fluctuating between 25.3°C (77.5°F) and 28.5°C (83.3°F). In Guarumal, the average high-temperature in September is practically the same as in August - a still warm 28.5°C (83.3°F). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Guarumal, Costa Rica, with temperature in the range of an average low of 25.2°C (77.4°F) and an average high of 28.1°C (82.6°F). The coldest month is October, with an average high-temperature of 28.1°C (82.6°F) and an average low-temperature of 25.2°C (77.4°F). In October, the average heat index is appraised at a tropical 32.4°C (90.3°F). Weather in October »

Weather in November

The last month of the autumn, November, is another warm month in Guarumal, Costa Rica, with temperature in the range of an average high of 28.3°C (82.9°F) and an average low of 24.9°C (76.8°F). In November, the average high-temperature is practically the same as in October - a still moderately hot 28.3°C (82.9°F). Weather in November »

Weather in December

December, the first month of the winter, in Guarumal, is still a warm month, with average temperature fluctuating between 24.6°C (76.3°F) and 28.7°C (83.7°F). In December, the average high-temperature is practically the same as in November - a still warm 28.7°C (83.7°F). Weather in December »
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FAQ

How much does it rain in Guarumal?

Throughout the year, there are 236.2 rainfall days, and 1501mm (59.09") of precipitation is accumulated.

What is the month with the shortest days in Guarumal?

Months with the shortest days are January and December, with an average of 11.6h of daylight.

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

January through December, with an average maximum UV index of 7, are months with the highest UV index in Guarumal.

When is the lowest UV index in Guarumal?

January through December, with an average maximum UV index of 7, are months with the lowest UV index.

What is the least humid month in Guarumal?

February and March, with an average relative humidity of 68%, are the least humid months in Guarumal.

What is the driest month in Guarumal?

The month with the least rainfall in Guarumal, Costa Rica, is February when the rain falls for 7.8 days and typically collects 11mm (0.43") of precipitation.

What is the warmest month in Guarumal?

The warmest month is April, with an average high-temperature of 30.4°C (86.7°F) and an average low-temperature of 26.2°C (79.2°F).

What are the most humid months in Guarumal?

June and October, with an average relative humidity of 80%, are most humid months.

When are the longest days in Guarumal?

The month with the longest days is June, with an average of 12.7h of daylight.

What month has the most sunshine in Guarumal?

July has the most sunshine of the year, with an average of 10.1h of sunshine.

What is the coldest month in Guarumal?

With an average high-temperature of 28.1°C (82.6°F) and an average low-temperature of 25.2°C (77.4°F), October is the coldest month in Guarumal, Costa Rica.

What is the wettest month in Guarumal?

The month with the most rainfall is October when the rain falls for 26.1 days and typically aggregates up to 383mm (15.08") of precipitation.

What is the month with the least sunshine in Guarumal?

The month with the least sunshine is October, with an average of 8.1h of sunshine.

Average temperature
Guarumal, Costa Rica

Average temperature - Guarumal, Costa Rica

The warmest month (with the highest average high temperature) is April (30.4°C).
The month with the lowest average high temperature is October (28.1°C).

Months with the highest average low temperature are April and May (26.2°C).
The coldest month (with the lowest average low temperature) is January (24.5°C).

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Average pressure
Guarumal, Costa Rica

Average pressure - Guarumal, Costa Rica

The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).

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Average wind speed
Guarumal, Costa Rica

Average wind speed - Guarumal, Costa Rica

The windiest month (with the highest average wind speed) is March (9.7km/h).
The calmest month (with the lowest average wind speed) is June (7.6km/h).

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Average humidity
Guarumal, Costa Rica

Average humidity - Guarumal, Costa Rica

Months with the highest relative humidity are June and October (80%).
Months with the lowest relative humidity are February and March (68%).

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Average rainfall
Guarumal, Costa Rica

Average rainfall - Guarumal, Costa Rica

The wettest month (with the highest rainfall) is October (383mm).
The driest month (with the least rainfall) is February (11mm).

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Average rainfall days
Guarumal, Costa Rica

Average rainfall days - Guarumal, Costa Rica

The month with the highest number of rainy days is October (26.1 days).
The month with the least rainy days is February (7.8 days).

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Average daylight / Average sunshine
Guarumal, Costa Rica

Average daylight / Average sunshine - Guarumal, Costa Rica

The month with the longest days is June (Average daylight: 12.7h).
Months with the shortest days are January and December (Average daylight: 11.6h).

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is October (Average sunshine: 8.1h).

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Average sunshine days
Guarumal, Costa Rica

Average sunshine days - Guarumal, Costa Rica

The month with the most sunshine days is March (18.6 days).
The month with the least sunshine days is May (4.3 days).

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Average UV index
Guarumal, Costa Rica

Average UV index - Guarumal, Costa Rica

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

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Average visibility
Guarumal, Costa Rica

Average visibility - Guarumal, Costa Rica

Months with the highest visibility are January, February, March, April, June, July, August, September, November and December (10km).
Months with the lowest visibility are May and October (9km).

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