Monthly weather forecast and climate
Keystone, FL

Weather in January

January, the same as December, is another comfortable winter month in Keystone, Florida, with average temperature varying between 66°F (18.9°C) and 54.5°F (12.5°C). With an average high-temperature of 66°F (18.9°C) and an average low-temperature of 54.5°F (12.5°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in Keystone, is a pleasant month, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 68.9°F (20.5°C). In February, the average high-temperature is almost the same as in January - a pleasant 68.9°F (20.5°C). Weather in February »

Weather in March

March, the first month of the spring, in Keystone, is still a pleasant month, with average temperature fluctuating between 72.1°F (22.3°C) and 60.6°F (15.9°C). In Keystone, Florida, the average high-temperature is practically the same as in February - a still agreeable 72.1°F (22.3°C). Weather in March »

Weather in April

April in Keystone, Florida, is a moderately hot spring month, with temperature in the range of an average low of 67.3°F (19.6°C) and an average high of 78.4°F (25.8°C). In Keystone, the average high-temperature slightly increases, from an agreeable 72.1°F (22.3°C) in March, to a warm 78.4°F (25.8°C). Weather in April »

Weather in May

The last month of the spring, May, is another warm month in Keystone, Florida, with average temperature fluctuating between 72.9°F (22.7°C) and 82.9°F (28.3°C). In May, the average high-temperature is practically the same as in April - a still warm 82.9°F (28.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Keystone, Florida, with temperature in the range of an average low of 78.3°F (25.7°C) and an average high of 86.5°F (30.3°C). In June, the average high-temperature is essentially the same as in May - a hot 86.5°F (30.3°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Keystone, Florida, with average temperature varying between 87.4°F (30.8°C) and 79.5°F (26.4°C). In July, the average high-temperature is essentially the same as in June - a still hot 87.4°F (30.8°C). Weather in July »

Weather in August

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

Weather in September

The first month of the autumn, September, is still a tropical month in Keystone, Florida, with average temperature varying between 77.5°F (25.3°C) and 86.7°F (30.4°C). In September, the average high-temperature is relatively the same as in August - a still tropical 86.7°F (30.4°C). Weather in September »

Weather in October

October, like September, in Keystone, Florida, is another warm autumn month, with average temperature fluctuating between 70.9°F (21.6°C) and 81.5°F (27.5°C). In Keystone, the average high-temperature is practically the same as in September - a moderately hot 81.5°F (27.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderately hot month in Keystone, Florida, with average temperature fluctuating between 74.3°F (23.5°C) and 63.3°F (17.4°C). In Keystone, Florida, the average high-temperature in November marginally drops, from a warm 81.5°F (27.5°C) in October, to a still moderately hot 74.3°F (23.5°C). Weather in November »

Weather in December

December, the first month of the winter, in Keystone, is also an agreeable month, with average temperature fluctuating between 59.4°F (15.2°C) and 70.2°F (21.2°C). In December, the average high-temperature is almost the same as in November - an agreeable 70.2°F (21.2°C). Weather in December »
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FAQ

What is the coldest month in Keystone?

The coldest month in Keystone is January, with an average high-temperature of 66°F (18.9°C) and an average low-temperature of 54.5°F (12.5°C).

How much does it rain in Keystone?

In Keystone, during the entire year, the rain falls for 120.5 days and collects up to 9.45" (240mm) of precipitation.

When is the lowest UV index in Keystone?

January is the month with the lowest UV index in Keystone, Florida, with an average maximum UV index of 4.

What is the driest month in Keystone?

March is the month with the least rainfall in Keystone. Rain falls for 6.8 days and accumulates 0.2" (5mm) of precipitation.

What is the least humid month in Keystone?

May is the least humid month, with an average relative humidity of 72%.

What month has the most sunshine in Keystone?

With an average of 11.3h of sunshine, May has the most sunshine of the year.

When is the highest UV index in Keystone?

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

When are the longest days in Keystone?

With an average of 13.9h of daylight, June has the longest days of the year.

What is the wettest month in Keystone?

July is the month with the most rainfall. Rain falls for 17.8 days and accumulates 1.77" (45mm) of precipitation.

What is the warmest month in Keystone?

The warmest month is August, 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 most humid month in Keystone?

December is the most humid month in Keystone, with an average relative humidity of 77%.

What is the month with the shortest days in Keystone?

With an average of 10.4h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Keystone?

With an average of 6.5h of sunshine, December has the least sunshine of the year.

Average temperature
Keystone, FL

Average temperature - Keystone, FL

The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is January (66°F).

The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (54.5°F).

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Average pressure
Keystone, FL

Average pressure - Keystone, FL

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is September (29.96").

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Average wind speed
Keystone, FL

Average wind speed - Keystone, FL

The windiest months (with the highest average wind speed) are January, March and April (8.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average rainfall
Keystone, FL

Average rainfall - Keystone, FL

The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is March (0.2").

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Average rainfall days
Keystone, FL

Average rainfall days - Keystone, FL

The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is November (5.5 days).

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Average daylight / Average sunshine
Keystone, FL

Average daylight / Average sunshine - Keystone, FL

The month with the longest days is June (Average daylight: 13.9h).
The month with the shortest days is December (Average daylight: 10.4h).

The month with the most sunshine is May (Average sunshine: 11.3h).
The month with the least sunshine is December (Average sunshine: 6.5h).

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Average sunshine days
Keystone, FL

Average sunshine days - Keystone, FL

The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is July (6.7 days).

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Average visibility
Keystone, FL

Average visibility - Keystone, FL

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

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