Miami
Florida, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and Climate
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 during May to October experiences the majority of the 61.9" (1572.3mm) 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.

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 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. Around 70% of the annual rainfall occurs during the wet season, and it is a threat to a concisely planned vacation.

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.

January is the coldest month of the year with the winter at its peak in Miami. With the mercury hovering around an average of 59.9°F (15.5°C) to 76.4°F (24.7°C), it is a pleasant time to enjoy outdoors. Weather in January »

February is the second coldest month with an average low temperature of about 62.3°F (16.8°C). The days are delightful with the warmth touching an average high of 78.1°F (25.6°C). Weather in February »

March is a transitional month to the short spring and the peak of the tourist season. It is devoid of cold fronts and rain, and the abundant sunshine with an average sea temperature at 75°F (23.9°C). Weather in March »

April sees the gradual progress of spring with the lowest humidity of the year at 67%. With only five rainy days in the month, it warms the days steadily to 83°F (28.3°C). Weather in April »

The average temperatures range from a low of 72.9°F (22.7°C) to a high of 87°F (30.6°C), and the sun rays reach the land daily for 9.7 hours. It is noticeably warmer, especially for people from temperate zones. Weather in May »

It is the official start of the hurricane and wet season. Avoid the mid-afternoon heat; the sun's ultraviolet index is at an extreme 11 with a daily chance of thundershowers. Weather in June »

July is hot, humid and rainy. More than 16 rainy days in the month makes it a time to avoid a visit to Miami. Rainfall is regular, but light, and hardly moves the rain gauge. Weather in July »

August is the peak of summer with average temperatures regularly crossing 90°F (32.2°C). Hurricane season is also at its maximum, and there is no sensible reason to visit Miami during this time of year. Weather in August »

September has the highest humidity at 77.8%, and it is hot and rainy. Sunny weather usually follows the rain, lightning, and thunderstorms. Swimming in the ocean is in order during the evenings. Weather in September »

Late October has the highest probability for thunderstorms and hurricanes. It shows a marked decline in muggy weather, and the lows are at a comfortable 73.5°F (23.1°C). Weather in October »

November starts cooling off quickly with the average highs dropping to 81°F (27.2°C). It is almost the end of the wet season, and the ultraviolet index drops to a moderate 6. Weather in November »

December lies in the relatively dry season, and the start of the winter is mild and dry. Storms are less frequent, but there may be an occasional cold wave. Weather in December »
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