Climate and monthly weather forecast
Myrtle Island, FL

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Weather in January

January, like December, in Myrtle Island, Florida, is another enjoyable winter month, with an average temperature fluctuating between 66.4°F (19.1°C) and 48.7°F (9.3°C). In Myrtle Island, the lowest temperatures are generally noted in January, averaging a high of 66.4°F (19.1°C) and a low of 48.7°F (9.3°C). Weather in January »

Weather in February

February, the last month of the winter in Myrtle Island, is an agreeable month, with an average temperature ranging between min 52.3°F (11.3°C) and max 70.3°F (21.3°C). The onset of February manifests an average high-temperature of a pleasant 70.3°F (21.3°C), demonstrating a minor variation from the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a moderately hot month in Myrtle Island, Florida, with an average temperature varying between 55.6°F (13.1°C) and 76.1°F (24.5°C). March signals a minor shift in the average high-temperature, moving from February's agreeable 70.3°F (21.3°C) to a moderately hot 76.1°F (24.5°C). Weather in March »

Weather in April

April, like March, in Myrtle Island, Florida, is a moderately hot spring month, with an average temperature fluctuating between 82.2°F (27.9°C) and 62.1°F (16.7°C). Myrtle Island, Florida, in April denotes a subtle temperature transition, adjusting from an average high of a moderately hot 76.1°F (24.5°C) in March to a still warm 82.2°F (27.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a hot month in Myrtle Island, Florida, with temperature in the range of an average low of 67.3°F (19.6°C) and an average high of 87.1°F (30.6°C). Myrtle Island's May reports an average high-temperature of a hot 87.1°F (30.6°C), exhibiting a minor difference from April. Weather in May »

Weather in June

June, the first month of the summer in Myrtle Island, is still a hot month, with an average temperature fluctuating between 72.7°F (22.6°C) and 90.7°F (32.6°C). Myrtle Island records an average high-temperature of a still tropical 90.7°F (32.6°C) as June arrives, nearly mirroring the previous month's climate. Weather in June »

Weather in July

July, like June, is another tropical summer month in Myrtle Island, Florida, with an average temperature ranging between min 74.7°F (23.7°C) and max 91.6°F (33.1°C). July's arrival brings an average high-temperature of a still hot 91.6°F (33.1°C), demonstrating subtle variation from the preceding month. Weather in July »

Weather in August

August, the last month of the summer in Myrtle Island, is also a hot month, with an average temperature ranging between max 92.3°F (33.5°C) and min 75.2°F (24°C). August, with its high-temperature average of 92.3°F (33.5°C) and a low-temperature average of 75.2°F (24°C), is the warmest month. The heat index value for August is calculated to be a burning hot 120.2°F (49°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a hot month in Myrtle Island, Florida, with temperature in the range of an average low of 73.4°F (23°C) and an average high of 88.7°F (31.5°C). Myrtle Island marks the start of September with an average high-temperature of a still tropical 88.7°F (31.5°C), hinting at a slight fluctuation from August's 92.3°F (33.5°C). Weather in September »

Weather in October

October, like September, in Myrtle Island, Florida, is a moderately hot autumn month, with an average temperature ranging between max 82.9°F (28.3°C) and min 66°F (18.9°C). The arrival of October signals a subtle shift in temperature, down from a tropical 88.7°F (31.5°C) in September to a moderately hot 82.9°F (28.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderately hot month in Myrtle Island, Florida, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 74.8°F (23.8°C). November's onset brings a negligible change in high-temperatures, falling from 82.9°F (28.3°C) in October to a still moderately hot 74.8°F (23.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a pleasant month in Myrtle Island, Florida, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 54°F (12.2°C). December brings a marginal elevation to an agreeable 70.7°F (21.5°C) from November's 74.8°F (23.8°C) in Myrtle Island's average high-temperatures. Weather in December »
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Frequently asked questions

What are the coldest months in Myrtle Island?

Myrtle Island, Florida, experiences its average lowest temperatures in January, reaching a peak of 66.4°F (19.1°C) and a minimum of 48.7°F (9.3°C).

What is the driest month in Myrtle Island?

January is the month with the least rainfall in Myrtle Island, Florida. Rain falls for 8.5 days and accumulates 0.71" (18mm) of precipitation.

How much does it rain in Myrtle Island?

In Myrtle Island, during the entire year, the rain falls for 151.1 days and collects up to 17.99" (457mm) of precipitation.

When is the lowest UV index in Myrtle Island?

January is the month with the lowest UV index, with an average maximum UV index of 4.

What is the least humid month in Myrtle Island?

March is the least humid month in Myrtle Island, Florida, with an average relative humidity of 71%.

When is Daylight Saving Time (DST) in Myrtle Island?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Myrtle Island, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When is the highest UV index in Myrtle Island?

May through August, with an average maximum UV index of 7, are months with the highest UV index in Myrtle Island, Florida.

When are the longest days in Myrtle Island?

June has the longest days of the year, with an average of 14h and 0min of daylight.

What is the most humid month in Myrtle Island?

The months with the highest humidity are July through September, with an average relative humidity of 77%.

What is the wettest month in Myrtle Island?

The month with the most rainfall is July, when the rain falls for 19.4 days and typically aggregates up to 2.68" (68mm) of precipitation.

What month has the most sunshine in Myrtle Island?

With an average of 10.5h of sunshine, July has the most sunshine of the year in Myrtle Island.

What time of the year is the hottest in Myrtle Island?

August brings the highest temperatures, with an average high of 92.3°F (33.5°C) and an average low of 75.2°F (24°C).

What is the month with the shortest days in Myrtle Island?

The month with the shortest days in Myrtle Island is December, with an average of 10h and 18min of daylight.

What is the month with the least sunshine in Myrtle Island?

With an average of 5.7h of sunshine, December has the least sunshine of the year in Myrtle Island, Florida.

Average temperature
Myrtle Island, FL

Average temperature - Myrtle Island, FL

The warmest month (with the highest average high temperature) is August (92.3°F).
The month with the lowest average high temperature is January (66.4°F).

The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).

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Average pressure
Myrtle Island, FL

Average pressure - Myrtle Island, FL

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).

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Average wind speed
Myrtle Island, FL

Average wind speed - Myrtle Island, FL

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is July (4mph).

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Average humidity
Myrtle Island, FL

Average humidity - Myrtle Island, FL

The months with the highest relative humidity are July, August and September (77%).
The month with the lowest relative humidity is March (71%).

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Average rainfall
Myrtle Island, FL

Average rainfall - Myrtle Island, FL

The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days
Myrtle Island, FL

Average rainfall days - Myrtle Island, FL

The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is November (8 days).

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Average daylight / Average sunshine
Myrtle Island, FL

Average daylight / Average sunshine - Myrtle Island, FL

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days
Myrtle Island, FL

Average sunshine days - Myrtle Island, FL

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (8.6 days).

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Average visibility
Myrtle Island, FL

Average visibility - Myrtle Island, FL

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).

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Myrtle Island, Florida, USA

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