Treasure Island
Florida, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Treasure Island, FL

An aerial view of the perfect outline of the Treasure Island in Florida
An aerial view of the perfect outline of the Treasure Island in Florida
January, the same as December, in Treasure Island, Florida, is an agreeable winter month, with average temperature varying between 50°F (10°C) and 68°F (20°C). With an average high-temperature of 68°F (20°C) and an average low-temperature of 50°F (10°C), January is the coldest month. Weather in January »
February, the last month of the winter, in Treasure Island, is another pleasant month, with average temperature varying between 51.8°F (11°C) and 69.8°F (21°C). In Treasure Island, the average high-temperature is essentially the same as in January - a still pleasant 69.8°F (21°C). Weather in February »

The first month of the spring, March, is a moderately hot month in Treasure Island, Florida, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 57.2°F (14°C). In Treasure Island, the average high-temperature in March slightly increases, from an agreeable 69.8°F (21°C) in February, to a warm 75.2°F (24°C). Weather in March »

April, the same as March, is another warm spring month in Treasure Island, Florida, with average temperature fluctuating between 62.6°F (17°C) and 82.4°F (28°C). In April, the average high-temperature marginally rises, from a warm 75.2°F (24°C) in March, to a still moderately hot 82.4°F (28°C). Weather in April »

The last month of the spring, May, is a tropical month in Treasure Island, Florida, with average temperature ranging between min 68°F (20°C) and max 86°F (30°C). In May, the average high-temperature is relatively the same as in April - a tropical 86°F (30°C). Weather in May »

The first month of the summer, June, is still a tropical month in Treasure Island, Florida, with temperature in the range of an average low of 73.4°F (23°C) and an average high of 89.6°F (32°C). June through September, with an average high-temperature of 89.6°F (32°C), are the warmest months. Weather in June »

July, like June, is another hot summer month in Treasure Island, Florida, with temperature in the range of an average low of 73.4°F (23°C) and an average high of 89.6°F (32°C). The warmest months are June through September, with an average high-temperature of 89.6°F (32°C). Weather in July »

August, the last month of the summer, in Treasure Island, is another hot month, with average temperature varying between 89.6°F (32°C) and 73.4°F (23°C). The warmest months are June through September, with an average high-temperature of 89.6°F (32°C). Weather in August »

September, the first month of the autumn, in Treasure Island, is still a tropical month, with temperature in the range of an average high of 89.6°F (32°C) and an average low of 73.4°F (23°C). June through September, with an average high-temperature of 89.6°F (32°C), are the warmest months. Weather in September »

October, like September, in Treasure Island, Florida, is another warm autumn month, with average temperature ranging between max 84.2°F (29°C) and min 66.2°F (19°C). In Treasure Island, the average high-temperature marginally drops, from a hot 89.6°F (32°C) in September, to a moderately hot 84.2°F (29°C). Weather in October »

The last month of the autumn, November, is another warm month in Treasure Island, Florida, with average temperature ranging between min 57.2°F (14°C) and max 77°F (25°C). In November, the average high-temperature slightly decreases, from 84.2°F (29°C) in October, to a still moderately hot 77°F (25°C). Weather in November »

December, the first month of the winter, in Treasure Island, is still a pleasant month, with average temperature fluctuating between 51.8°F (11°C) and 71.6°F (22°C). In Treasure Island, the average high-temperature marginally drops, from a warm 77°F (25°C) in November, to an agreeable 71.6°F (22°C). Weather in December »

What is the coldest month in Treasure Island?

The coldest month is January, with an average high-temperature of 68°F (20°C) and an average low-temperature of 50°F (10°C).

How much does it rain in Treasure Island?

In Treasure Island, Florida, during the entire year, the rain falls for 105 days and collects up to 47.4" (1204mm) of precipitation.

What month is the ocean coldest in Treasure Island?

January is the month with the coldest seawater in Treasure Island, Florida, with an average ocean temperature of 64°F (17.8°C). For swimming, a surface water temperature of 64°F (17.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What are the months with the lowest UV index in Treasure Island?

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

What is the driest month in Treasure Island?

April is the month with the least rainfall. Rain falls for 4 days and accumulates 1.5" (39mm) of precipitation.

What is the month with the most sunshine in Treasure Island?

April and May, with an average of 10h of sunshine, are months with the most sunshine in Treasure Island, Florida.

When is the highest UV index in Treasure Island?

May through August, with an average maximum UV index of 11, are months with the highest UV index.

What are the warmest months in Treasure Island?

June through September, with an average high-temperature of 89.6°F (32°C), are warmest months in Treasure Island.

When are the longest days in Treasure Island?

The month with the longest days is June, with an average of 13.9h of daylight.

What is the rainiest month in Treasure Island?

The month with the most rainfall is August when the rain falls for 17 days and typically aggregates up to 7.6" (194mm) of precipitation.

What is the month with the warmest ocean in Treasure Island?

August is the month with the warmest seawater in Treasure Island, Florida, with an average ocean temperature of 86.7°F (30.4°C). The surface water temperatures above 86°F (30°C) are arguably considered as unpleasant for swimming, and any intense water activity, as the refreshing effect of water is missing.

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

The month with the shortest days in Treasure Island is December, with an average of 10.4h of daylight.

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

The month with the least sunshine is December, with an average of 6h of sunshine.
Average temperature - Treasure Island, FL
Average rainfall - Treasure Island, FL
Average rainfall days - Treasure Island, FL
Average sea temperature - Treasure Island, FL

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64°F).

Average daylight / Average sunshine - Treasure Island, FL
Average UV index - Treasure Island, FL