Dismal Key
Florida, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Dismal Key, FL

January, like December, is another pleasant winter month in Dismal Key, Florida, with average temperature varying between 71.6°F (22°C) and 59.5°F (15.3°C). With an average high-temperature of 71.6°F (22°C) and an average low-temperature of 59.5°F (15.3°C), January is the coldest month. Weather in January »

February, the last month of the winter, in Dismal Key, is a moderately hot month, with average temperature fluctuating between 73.6°F (23.1°C) and 61.9°F (16.6°C). In February, the average high-temperature is practically the same as in January - a warm 73.6°F (23.1°C). Weather in February »

The first month of the spring, March, is still a warm month in Dismal Key, Florida, with average temperature ranging between min 64°F (17.8°C) and max 75.9°F (24.4°C). In Dismal Key, the average high-temperature is essentially the same as in February - a still moderately hot 75.9°F (24.4°C). Weather in March »

April, like March, in Dismal Key, Florida, is a moderately hot spring month, with temperature in the range of an average low of 70.3°F (21.3°C) and an average high of 81°F (27.2°C). In April, the average high-temperature is practically the same as in March - a still moderately hot 81°F (27.2°C). Weather in April »

May, the last month of the spring, in Dismal Key, is another warm month, with average temperature ranging between max 84.4°F (29.1°C) and min 74.1°F (23.4°C). In May, the average high-temperature is essentially the same as in April - a still moderately hot 84.4°F (29.1°C). Weather in May »

The first month of the summer, June, is a hot month in Dismal Key, Florida, with average temperature fluctuating between 78.3°F (25.7°C) and 86.5°F (30.3°C). In Dismal Key, Florida, the average high-temperature in June is practically the same as in May - a tropical 86.5°F (30.3°C). Weather in June »

July, like June, is another hot summer month in Dismal Key, Florida, with average temperature varying between 87.4°F (30.8°C) and 79.7°F (26.5°C). In Dismal Key, the average high-temperature in July is practically the same as in June - a still tropical 87.4°F (30.8°C). Weather in July »

August, the last month of the summer, in Dismal Key, is another hot month, with average temperature fluctuating between 88.3°F (31.3°C) and 80.2°F (26.8°C). August is the warmest month, with an average high-temperature of 88.3°F (31.3°C) and an average low-temperature of 80.2°F (26.8°C). In August, the average heat index is appraised at a torrid 103.5°F (39.7°C). Weather in August »

The first month of the autumn, September, is also a hot month in Dismal Key, Florida, with temperature in the range of an average low of 78.4°F (25.8°C) and an average high of 87.1°F (30.6°C). In September, the average high-temperature is practically the same as in August - a still tropical 87.1°F (30.6°C). Weather in September »

October, like September, in Dismal Key, Florida, is a moderately hot autumn month, with average temperature fluctuating between 83.5°F (28.6°C) and 74.1°F (23.4°C). In Dismal Key, the average high-temperature is practically the same as in September - a warm 83.5°F (28.6°C). Weather in October »

November, the last month of the autumn, in Dismal Key, is also a moderately hot month, with average temperature varying between 78.4°F (25.8°C) and 67.8°F (19.9°C). In November, the average high-temperature is almost the same as in October - a still moderately hot 78.4°F (25.8°C). Weather in November »

The first month of the winter, December, is also a moderately hot month in Dismal Key, Florida, with average temperature fluctuating between 64.4°F (18°C) and 74.8°F (23.8°C). In Dismal Key, the average high-temperature in December is practically the same as in November - a still warm 74.8°F (23.8°C). Weather in December »

What is the coldest month in Dismal Key?

The coldest month in Dismal Key is January, with an average high-temperature of 71.6°F (22°C) and an average low-temperature of 59.5°F (15.3°C).

How much does it rain in Dismal Key?

In Dismal Key, during the entire year, the rain falls for 162.1 days and collects up to 21.69" (551mm) of precipitation.

What are the months with the lowest UV index in Dismal Key?

Months with the lowest UV index are January and February, with an average maximum UV index of 5.

What is the least humid month in Dismal Key?

With an average relative humidity of 72%, March is the least humid month.

What is the driest month in Dismal Key?

March is the month with the least rainfall in Dismal Key. Rain falls for 9.5 days and accumulates 0.63" (16mm) of precipitation.

What is the month with the most sunshine in Dismal Key?

May and July, with an average of 11.1h of sunshine, are months with the most sunshine in Dismal Key, Florida.

When is the highest UV index in Dismal Key?

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

When are the longest days in Dismal Key?

With an average of 13.7h of daylight, June has the longest days of the year.

What is the warmest month in Dismal Key?

August is the warmest month in Dismal Key, Florida, with an average high-temperature of 88.3°F (31.3°C) and an average low-temperature of 80.2°F (26.8°C).

What is the rainiest month in Dismal Key?

The month with the most rainfall in Dismal Key, Florida, is August when the rain falls for 22.4 days and typically aggregates up to 4.29" (109mm) of precipitation.

What is the most humid month in Dismal Key?

With an average relative humidity of 76%, December is the most humid month in Dismal Key, Florida.

What is the month with the shortest days in Dismal Key?

With an average of 10.5h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Dismal Key?

With an average of 6.7h of sunshine, December has the least sunshine of the year in Dismal Key, Florida.
Average temperature - Dismal Key, FL
Average rainfall - Dismal Key, FL
Average rainfall days - Dismal Key, FL

The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (7 days).

Average daylight / Average sunshine - Dismal Key, FL

The month with the longest days is June (Average daylight: 13.7h).
The month with the shortest days is December (Average daylight: 10.5h).

Months with the most sunshine are May and July (Average sunshine: 11.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

Average UV index - Dismal Key, FL