Climate and monthly weather forecast
Iona, FL

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Weather in January

January, the same as December, in Iona, Florida, is another pleasant winter month, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 70.7°F (21.5°C). In Iona, January is the coldest month, with temperatures averaging a high of 70.7°F (21.5°C) and a low of 57.7°F (14.3°C). Weather in January »

Weather in February

The last month of the winter, February, is a warm month in Iona, Florida, with an average temperature fluctuating between 59.9°F (15.5°C) and 73.4°F (23°C). Iona signifies an average high-temperature of a warm 73.4°F (23°C) in February, closely mirroring the 70.7°F (21.5°C) of January. Weather in February »

Weather in March

March, the first month of the spring in Iona, is still a warm month, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 75.7°F (24.3°C). The unfolding of March shows an average high-temperature of a still warm 75.7°F (24.3°C), indicating a slight variance from February's 73.4°F (23°C). Weather in March »

Weather in April

April, the same as March, is a moderately hot spring month in Iona, Florida, with an average temperature fluctuating between 69.1°F (20.6°C) and 81.1°F (27.3°C). In Iona, the average high-temperature in April slightly increases from a warm 75.7°F (24.3°C) in March to a still moderately hot 81.1°F (27.3°C). Weather in April »

Weather in May

The last month of the spring, May, is another warm month in Iona, Florida, with an average temperature varying between 73°F (22.8°C) and 84.7°F (29.3°C). Iona experiences an average high-temperature of a still moderately hot 84.7°F (29.3°C) in May, marking an insignificant shift from 81.1°F (27.3°C) in April. Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Iona, Florida, with an average temperature ranging between max 87.4°F (30.8°C) and min 78.1°F (25.6°C). With the onset of June, Iona's average high-temperature clocks in at a tropical 87.4°F (30.8°C), showing a minor fluctuation from the previous month. Weather in June »

Weather in July

July, like June, is another tropical summer month in Iona, Florida, with temperature in the range of an average low of 79.3°F (26.3°C) and an average high of 88.3°F (31.3°C). July's commencement is accompanied by an average high-temperature of a still hot 88.3°F (31.3°C), diverging marginally from June's 87.4°F (30.8°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Iona, Florida, with temperature in the range of an average high of 88.9°F (31.6°C) and an average low of 79.7°F (26.5°C). The average temperatures reach their apex in August, averaging 88.9°F (31.6°C) at the high end and 79.7°F (26.5°C) at the low end. August's mean heat index is evaluated at a blistering 105.8°F (41°C). Weather in August »

Weather in September

September, the first month of the autumn in Iona, is still a hot month, with temperature in the range of an average high of 87.3°F (30.7°C) and an average low of 77.5°F (25.3°C). September brings an average high-temperature of a still hot 87.3°F (30.7°C), showing a slight difference from August's 88.9°F (31.6°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Iona, Florida, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 72.7°F (22.6°C). The onset of October manifests an average high-temperature of a moderately hot 83.7°F (28.7°C), demonstrating a minor variation from the preceding month. Weather in October »

Weather in November

The last month of the autumn, November, is also a moderately hot month in Iona, Florida, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 65.8°F (18.8°C). Iona's November weather features a light decline in high-temperatures, reducing from a moderately hot 83.7°F (28.7°C) in October to a still warm 77.9°F (25.5°C). Weather in November »

Weather in December

December, the first month of the winter in Iona, is also a moderately hot month, with an average temperature ranging between max 74.3°F (23.5°C) and min 62.4°F (16.9°C). The advent of December brings an average high-temperature of a still moderately hot 74.3°F (23.5°C), almost identical to the preceding month. Weather in December »
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Iona?

The coldest period tends to be January, when average temperatures fluctuate between a high of 70.7°F (21.5°C) and a low of 57.7°F (14.3°C).

How much does it rain?

In Iona, during the entire year, the rain falls for 156.4 days and collects up to 17.95" (456mm) of precipitation.

When is the ocean coldest?

With an average ocean temperature of 67.1°F (19.5°C), January is the month with the coldest seawater.

When is the lowest UV index?

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

What is the driest month?

February and March are months with the least rain when the rain falls for 6.2 days and typically aggregates up to 0.43" (11mm) of rain.

What is the least humid month?

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

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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?

The months with the highest UV index are May through September, with an average maximum UV index of 7.

When are the longest days?

June has the longest days of the year, with an average of 13h and 48min of daylight.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 11h of sunshine.

What are the warmest months?

August, with an average high of 88.9°F (31.6°C) and a low of 79.7°F (26.5°C), signifies the warmest month of the year.

What is the wettest month?

August is the month with the most rainfall. Rain falls for 24 days and accumulates 3.94" (100mm) of precipitation.

What is the month with the warmest ocean?

August is the month with the warmest seawater, with an average ocean temperature of 86.7°F (30.4°C).

What are the most humid months in Iona?

The months with the highest humidity are September and December, with an average relative humidity of 76%.

What is the month with the shortest days?

With an average of 10h and 30min of daylight, December has the shortest days of the year.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 6.6h of sunshine.

Average temperature
Iona, FL

Average temperature - Iona, FL

The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is January (70.7°F).

The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (57.7°F).

Average pressure
Iona, FL

Average pressure - Iona, FL

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).

Average wind speed
Iona, FL

Average wind speed - Iona, FL

The windiest month (with the highest average wind speed) is October (8.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

Average humidity
Iona, FL

Average humidity - Iona, FL

The months with the highest relative humidity are September and December (76%).
The month with the lowest relative humidity is March (71%).

Average rainfall
Iona, FL

Average rainfall - Iona, FL

The wettest month (with the highest rainfall) is August (3.94").
The driest months (with the least rainfall) are February and March (0.43").

Average rainfall days
Iona, FL

Average rainfall days - Iona, FL

The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is February (6.2 days).

Average sea temperature
Iona, FL

Average sea temperature - Iona, FL

The best month for swimming (with the highest average sea temperature) is August (86.8°F).
The coldest month (with the lowest average sea temperature) is January (67°F).

Average daylight / Average sunshine
Iona, FL

Average daylight / Average sunshine - Iona, FL

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days
Iona, FL

Average sunshine days - Iona, FL

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is August (5.3 days).

Average UV index
Iona, FL

Average UV index - Iona, FL

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

Average visibility
Iona, FL

Average visibility - Iona, FL

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

Iona, Florida, USA

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