Climate and monthly weather forecast
Miami, FL

The stunning layout of the Miami Coast in Florida, USA
The stunning layout of the Miami Coast in Florida, USA

The climate of Miami, FL

The climate of Miami is of a tropical monsoon type (Köppen climate classification Am); summers are hot, humid, and wet, while winters are warm and typically dry. The warm Gulf Stream current, along with the North Atlantic drift, significantly influences its climate. Its location near the Tropic of Cancer provides an exception to cold waves that usually sweep a considerable portion of the United States.

It is sunny all year round with plenty of daylight hours barring patches of stormy and rainy weather during the summer. High temperatures reach up to an average of 90°F (32.2°C) during peak summer; low temperatures rarely drop below the average of 60°F (15.6°C) during winter. Occasional cold fronts account for slightly low temperatures and rain during the winter.

The prominently wet season from May to October experiences the majority of the 61.9" (1572mm) of yearly rainfall. Abundant rainfall occurs mainly during short spells of heavy showers and thunderstorms during this period, as the sun hides briefly for these intervals.

The best time to visit Miami, FL

March to May is the best time to visit Miami, although the entire period from December to May hosts pleasantly mild weather with a few exceptions. The winter, though warm and pleasant, maybe a host to cold winds and rain on occasions. While the spring months are comparatively less warm than the summer, they are also distinctly less muggy and are a great time to visit Miami and the Keys and Everglades around it. Spring is also one of the better periods for swimming in the ocean with the average sea temperatures in a comfortable range of 75°F (23.9°C) to 77°F (25°C).

The worst time to visit Miami, FL

The wet season is a time to avoid Miami, during which the period from August to October is the worst time for a visit. It is statistically more prone to hurricanes during this time, and the weather can change quite suddenly. The heat is intense during summer; the mercury column is in sight of the 90°F (32.2°C) and along with the sticky weather, makes it uncomfortable for going around the city. Approximately 70% of the annual rainfall occurs during the wet season, and it is a threat to a concisely planned vacation.

Weather hazards

Miami's geographical location and closeness to the ocean ranks it in the top three places in the United States, which are most vulnerable to hurricanes. It has a regular hurricane season from June to October that is directly linked to the development of tropical cyclones in the North Atlantic Ocean. The most active period is late August to mid-October, and there is a good chance of a few of them upgrading to Category 3 or higher. These storms are devastating with powerful winds, heavy rains, and flooding.

Weather in January

January, the same as December, in Miami, Florida, is another pleasant winter month, with an average temperature ranging between max 73°F (22.8°C) and min 65.1°F (18.4°C). January is the coldest month, with an average high-temperature of 73°F (22.8°C) and an average low-temperature of 65.1°F (18.4°C). Weather in January »

Weather in February

February, the last month of the winter in Miami, is a moderately hot month, with temperature in the range of an average high of 74.5°F (23.6°C) and an average low of 67.5°F (19.7°C). In February, the average high-temperature is almost the same as in January - a warm 74.5°F (23.6°C). Weather in February »

Weather in March

The first month of the spring, March, is still a warm month in Miami, Florida, with an average temperature varying between 69.1°F (20.6°C) and 75.6°F (24.2°C). In Miami, the average high-temperature in March is relatively the same as in February - a still moderately hot 75.6°F (24.2°C). Weather in March »

Weather in April

April, like March, in Miami, Florida, is another warm spring month, with an average temperature varying between 79.3°F (26.3°C) and 73.8°F (23.2°C). In April, the average high-temperature is practically the same as in March - a still moderately hot 79.3°F (26.3°C). Weather in April »

Weather in May

May, the last month of the spring in Miami, is also a moderately hot month, with an average temperature fluctuating between 82°F (27.8°C) and 77°F (25°C). In Miami, the average high-temperature in May is practically the same as in April - a still warm 82°F (27.8°C). Weather in May »

Weather in June

June, the first month of the summer in Miami, is still a warm month, with an average temperature fluctuating between 84.7°F (29.3°C) and 80.2°F (26.8°C). In June, the average high-temperature is almost the same as in May - a still moderately hot 84.7°F (29.3°C). Weather in June »

Weather in July

July is a tropical summer month in Miami, Florida, with an average temperature varying between 81.9°F (27.7°C) and 86.5°F (30.3°C). In July, the average high-temperature is essentially the same as in June - a hot 86.5°F (30.3°C). Weather in July »

Weather in August

August, the last month of the summer in Miami, is another tropical month, with an average temperature ranging between max 87.1°F (30.6°C) and min 82.6°F (28.1°C). The warmest month is August, with an average high-temperature of 87.1°F (30.6°C) and an average low-temperature of 82.6°F (28.1°C). In August, the average heat index is estimated at a sweltering 98.6°F (37°C). Weather in August »

Weather in September

September, the first month of the autumn in Miami, is still a warm month, with an average temperature ranging between max 85.6°F (29.8°C) and min 81°F (27.2°C). In Miami, the average high-temperature in September is relatively the same as in August - a moderately hot 85.6°F (29.8°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Miami, Florida, with an average temperature ranging between min 77.5°F (25.3°C) and max 82.8°F (28.2°C). In October, the average high-temperature is almost the same as in September - a still moderately hot 82.8°F (28.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is another warm month in Miami, Florida, with an average temperature fluctuating between 77.9°F (25.5°C) and 72.3°F (22.4°C). In Miami, the average high-temperature in November is practically the same as in October - a still moderately hot 77.9°F (25.5°C). Weather in November »

Weather in December

December, the first month of the winter in Miami, is still a warm month, with temperature in the range of an average low of 69.4°F (20.8°C) and an average high of 75.7°F (24.3°C). In December, the average high-temperature is essentially the same as in November - a still warm 75.7°F (24.3°C). Weather in December »
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FAQ

What is the coldest month in Miami?

The coldest month in Miami is January, with an average high-temperature of 73°F (22.8°C) and an average low-temperature of 65.1°F (18.4°C).

What is the driest month in Miami?

The month with the least rainfall in Miami, Florida, is January, when the rain falls for 9.2 days and typically collects 0.43" (11mm) of precipitation.

How much does it rain in Miami?

In Miami, Florida, during the entire year, the rain falls for 182.7 days and collects up to 16.38" (416mm) of precipitation.

What is the month with the lowest UV index in Miami?

January and December, with an average maximum UV index of 5, are months with the lowest UV index in Miami, Florida.

What is the month with the coldest ocean in Miami?

February is the month with the coldest seawater in Miami, with an average ocean temperature of 73.9°F (23.3°C).

What is the least humid month in Miami?

March is the least humid month, with an average relative humidity of 70%.

When is Daylight Saving Time (DST) in Miami?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Miami, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

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

The months with the highest UV index in Miami, Florida, are May through October, with an average maximum UV index of 7.

When are the longest days in Miami?

With an average of 13h and 43min of daylight, June has the longest days of the year.

What month has the most sunshine in Miami?

July has the most sunshine of the year, with an average of 11.1h of sunshine.

What is the warmest month in Miami?

The warmest month in Miami, Florida, is August, with an average high-temperature of 87.1°F (30.6°C) and an average low-temperature of 82.6°F (28.1°C).

What is the rainiest month in Miami?

The month with the most rainfall is August, when the rain falls for 22.1 days and typically aggregates up to 2.8" (71mm) of precipitation.

What is the month with the warmest ocean in Miami?

With an average ocean temperature of 86.5°F (30.3°C), August is the month with the warmest seawater in Miami, Florida.

What is the most humid month in Miami?

With an average relative humidity of 75%, December is the most humid month in Miami, Florida.

What is the month with the shortest days in Miami?

With an average of 10h and 34min of daylight, December has the shortest days of the year in Miami, Florida.

What is the month with the least sunshine in Miami?

The month with the least sunshine is December, with an average of 6.4h of sunshine.

Average pressure
Miami, FL

Average pressure - Miami, FL

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.95"Hg).

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Average wind speed
Miami, FL

Average wind speed - Miami, FL

The windiest month (with the highest average wind speed) is March (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

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Average rainfall
Miami, FL

Average rainfall - Miami, FL

The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days
Miami, FL

Average rainfall days - Miami, FL

The month with the highest number of rainy days is September (24.5 days).
The month with the least rainy days is February (8.7 days).

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Average sea temperature
Miami, FL

Average sea temperature - Miami, FL

The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is February (74°F).

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Average daylight / Average sunshine
Miami, FL

Average daylight / Average sunshine - Miami, FL

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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Average sunshine days
Miami, FL

Average sunshine days - Miami, FL

The month with the most sunshine days is March (17 days).
The month with the least sunshine days is September (3.2 days).

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Average UV index
Miami, FL

Average UV index - Miami, FL

The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January and December (UV index 5).

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Average visibility
Miami, FL

Average visibility - Miami, 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).

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