Monthly weather forecast and climate
Alaska, Costa Rica

Weather in January

January, like December, in Alaska, Costa Rica, is a moderately hot winter month, with temperature in the range of an average low of 15.3°C (59.5°F) and an average high of 25.1°C (77.2°F). In Alaska, the average high-temperature in January is practically the same as in December - a still warm 25.1°C (77.2°F). Weather in January »

Weather in February

February, the last month of the winter, in Alaska, is also a moderately hot month, with average temperature varying between 15.4°C (59.7°F) and 25.8°C (78.4°F). In February, the average high-temperature is relatively the same as in January - a still warm 25.8°C (78.4°F). Weather in February »

Weather in March

March, the first month of the spring, in Alaska, is also a moderately hot month, with average temperature varying between 15.5°C (59.9°F) and 26.2°C (79.2°F). The warmest month is March, with an average high-temperature of 26.2°C (79.2°F) and an average low-temperature of 15.5°C (59.9°F). Weather in March »

Weather in April

April, like March, in Alaska, Costa Rica, is a moderately hot spring month, with temperature in the range of an average low of 16.7°C (62.1°F) and an average high of 25.3°C (77.5°F). In Alaska, the average high-temperature is almost the same as in March - a still moderately hot 25.3°C (77.5°F). Weather in April »

Weather in May

May, the last month of the spring, in Alaska, is another warm month, with average temperature fluctuating between 17.4°C (63.3°F) and 23.4°C (74.1°F). In Alaska, the average high-temperature in May is almost the same as in April - a still moderately hot 23.4°C (74.1°F). Weather in May »

Weather in June

June, the first month of the summer, in Alaska, is also an agreeable month, with average temperature ranging between min 17.3°C (63.1°F) and max 22.9°C (73.2°F). In Alaska, the average high-temperature is essentially the same as in May - an agreeable 22.9°C (73.2°F). Weather in June »

Weather in July

July is a warm summer month in Alaska, Costa Rica, with average temperature varying between 23.1°C (73.6°F) and 16.8°C (62.2°F). In Alaska, the average high-temperature is almost the same as in June - a moderately hot 23.1°C (73.6°F). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Alaska, Costa Rica, with average temperature varying between 17°C (62.6°F) and 23°C (73.4°F). In August, the average high-temperature is almost the same as in July - a still warm 23°C (73.4°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Alaska, Costa Rica, with average temperature fluctuating between 22.5°C (72.5°F) and 17.1°C (62.8°F). In September, the average high-temperature is essentially the same as in August - an agreeable 22.5°C (72.5°F). Weather in September »

Weather in October

October, the same as September, in Alaska, Costa Rica, is another pleasant autumn month, with average temperature fluctuating between 17.1°C (62.8°F) and 22.2°C (72°F). October is the coldest month, with an average high-temperature of 22.2°C (72°F) and an average low-temperature of 17.1°C (62.8°F). Weather in October »

Weather in November

November, the last month of the autumn, in Alaska, is also an agreeable month, with average temperature varying between 22.6°C (72.7°F) and 16.5°C (61.7°F). In November, the average high-temperature is relatively the same as in October - a still pleasant 22.6°C (72.7°F). Weather in November »

Weather in December

December, the first month of the winter, in Alaska, is a moderately hot month, with average temperature varying between 23.8°C (74.8°F) and 15.8°C (60.4°F). In Alaska, the average high-temperature is almost the same as in November - a warm 23.8°C (74.8°F). Weather in December »
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FAQ

How much does it rain in Alaska?

In Alaska, during the entire year, the rain falls for 294.6 days and collects up to 2842mm (111.89") of precipitation.

What is the month with the shortest days in Alaska?

January and December, with an average of 11.6h of daylight, are months with the shortest days in Alaska, Costa Rica.

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

Months with the lowest UV index in Alaska are January, February, May through December, with an average maximum UV index of 5.

What are the least humid months in Alaska?

February and March, with an average relative humidity of 75%, are the least humid months in Alaska.

What is the driest month in Alaska?

The month with the least rainfall in Alaska, Costa Rica, is February when the rain falls for 11.4 days and typically collects 20mm (0.79") of precipitation.

What month has the most sunshine in Alaska?

February has the most sunshine of the year in Alaska, with an average of 9.6h of sunshine.

What is the warmest month in Alaska?

With an average high-temperature of 26.2°C (79.2°F) and an average low-temperature of 15.5°C (59.9°F), March is the warmest month in Alaska, Costa Rica.

When is the highest UV index in Alaska?

Months with the highest UV index are March and April, with an average maximum UV index of 6.

When are the longest days in Alaska?

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

What is the coldest month in Alaska?

The coldest month is October, with an average high-temperature of 22.2°C (72°F) and an average low-temperature of 17.1°C (62.8°F).

What is the most humid month in Alaska?

With an average relative humidity of 91%, October is the most humid month in Alaska, Costa Rica.

What is the rainiest month in Alaska?

The month with the most rainfall is October when the rain falls for 30.5 days and typically aggregates up to 479mm (18.86") of precipitation.

What is the month with the least sunshine in Alaska?

The month with the least sunshine in Alaska, Costa Rica, is October, with an average of 6.4h of sunshine.

Average temperature
Alaska, Costa Rica

Average temperature - Alaska, Costa Rica

The warmest month (with the highest average high temperature) is March (26.2°C).
The month with the lowest average high temperature is October (22.2°C).

The month with the highest average low temperature is May (17.4°C).
The coldest month (with the lowest average low temperature) is January (15.3°C).

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Average pressure
Alaska, Costa Rica

Average pressure - Alaska, Costa Rica

The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is October (1011mbar).

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Average wind speed
Alaska, Costa Rica

Average wind speed - Alaska, Costa Rica

The windiest month (with the highest average wind speed) is February (5.6km/h).
The calmest month (with the lowest average wind speed) is September (3.1km/h).

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Average humidity
Alaska, Costa Rica

Average humidity - Alaska, Costa Rica

The month with the highest relative humidity is October (91%).
Months with the lowest relative humidity are February and March (75%).

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Average rainfall
Alaska, Costa Rica

Average rainfall - Alaska, Costa Rica

The wettest month (with the highest rainfall) is October (479mm).
The driest month (with the least rainfall) is February (20mm).

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Average rainfall days
Alaska, Costa Rica

Average rainfall days - Alaska, Costa Rica

The month with the highest number of rainy days is August (30.9 days).
The month with the least rainy days is February (11.4 days).

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Average daylight / Average sunshine
Alaska, Costa Rica

Average daylight / Average sunshine - Alaska, 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 February (Average sunshine: 9.6h).
The month with the least sunshine is October (Average sunshine: 6.4h).

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Average sunshine days
Alaska, Costa Rica

Average sunshine days - Alaska, Costa Rica

The month with the most sunshine days is February (14.5 days).
The month with the least sunshine days is August (0 days).

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Average UV index
Alaska, Costa Rica

Average UV index - Alaska, Costa Rica

Months with the highest UV index are March and April (UV index 6).
Months with the lowest UV index are January, February, May, June, July, August, September, October, November and December (UV index 5).

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