St. Augustine
Florida, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
St. Augustine, FL

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Palm trees and colorful houses in front of water fountains in a popular town square in St. Augustine, Florida, with a very cloudy sky on a sunny day
Palm trees and colorful houses in front of water fountains in a popular town square in St. Augustine, Florida, with a very cloudy sky on a sunny day

Weather in January

January, like December, in St. Augustine, Florida, is another enjoyable winter month, with average temperature fluctuating between 66°F (18.9°C) and 46°F (7.8°C). January is the coldest month in St. Weather in January »

Weather in February

February, the last month of the winter, in St. Augustine, is a pleasant month, with average temperature ranging between min 48.9°F (9.4°C) and max 69.1°F (20.6°C). In St. Augustine, the average high-temperature is almost the same as in January - an agreeable 69.1°F (20.6°C). Weather in February »

Weather in March

March, the first month of the spring, in St. Augustine, is also an agreeable month, with average temperature ranging between min 53.1°F (11.7°C) and max 73°F (22.8°C). In March, the average high-temperature in St. Weather in March »

Weather in April

April in St. Augustine is a moderately hot spring month, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 57.9°F (14.4°C). In April, the average high-temperature in St. Weather in April »

Weather in May

The last month of the spring, May, is another warm month in St. Augustine, with average temperature ranging between min 64.9°F (18.3°C) and max 84°F (28.9°C). In St. Augustine, the average high-temperature marginally rises, from a warm 78.1°F (25.6°C) in April, to a still moderately hot 84°F (28.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in St. Augustine, with temperature in the range of an average high of 88°F (31.1°C) and an average low of 71.1°F (21.7°C). In June, the average high-temperature in St. Weather in June »

Weather in July

July, like June, is another tropical summer month in St. Augustine, with average temperature fluctuating between 72°F (22.2°C) and 90°F (32.2°C). The warmest month in St. Augustine, Florida, is July, with an average high-temperature of 90°F (32.2°C) and an average low-temperature of 72°F (22.2°C). Weather in July »

Weather in August

August, the last month of the summer, in St. Augustine, is another hot month, with average temperature ranging between max 89.1°F (31.7°C) and min 73°F (22.8°C). In August, the average high-temperature in St. Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in St. Augustine, with average temperature varying between 86°F (30°C) and 71.1°F (21.7°C). In St. Augustine, the average high-temperature in September is relatively the same as in August - a still hot 86°F (30°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in St. Augustine, with average temperature ranging between max 81°F (27.2°C) and min 64.9°F (18.3°C). In St. Augustine, the average high-temperature in October is almost the same as in September - a warm 81°F (27.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is another warm month in St. Augustine, with average temperature varying between 55.9°F (13.3°C) and 73.9°F (23.3°C). In November, the average high-temperature in St. Weather in November »

Weather in December

The first month of the winter, December, is also an agreeable month in St. Augustine, with temperature in the range of an average high of 68°F (20°C) and an average low of 48.9°F (9.4°C). In December, the average high-temperature in St. Weather in December »

FAQ

What is the coldest month in St. Augustine?

January is the coldest month in St. Augustine, with an average high-temperature of 66°F (18.9°C) and an average low-temperature of 46°F (7.8°C).

How many days does it rain in St. Augustine?

Throughout the year, in St. Augustine, Florida, there are 116 rainfall days, and 50" (1269.9mm) of precipitation is accumulated.

When is the lowest UV index in St. Augustine?

January and December, with an average maximum UV index of 4, are months with the lowest UV index.

What is the month with the coldest ocean in St. Augustine?

With an average ocean temperature of 64.2°F (17.9°C), February is the month with the coldest seawater.

What is the month with the most sunshine in St. Augustine?

Months with the most sunshine are March through August, with an average of 9h of sunshine.

When are the longest days in St. Augustine?

The month with the longest days in St. Augustine, Florida, is June, with an average of 14.1h of daylight.

What is the month with the highest UV index in St. Augustine?

Months with the highest UV index in St. Augustine, Florida, are June and July, with an average maximum UV index of 11.

What is the warmest month in St. Augustine?

The warmest month in St. Augustine, Florida, is July, with an average high-temperature of 90°F (32.2°C) and an average low-temperature of 72°F (22.2°C).

When is the ocean warmest in St. Augustine?

With an average ocean temperature of 83.8°F (28.8°C), August is the month with the warmest seawater in St. Augustine, Florida.

What is the wettest month in St. Augustine?

September is the month with the most rainfall. Rain falls for 13 days and accumulates 7.5" (190.5mm) of precipitation.

What is the driest month in St. Augustine?

November is the month with the least rainfall in St. Augustine. Rain falls for 7 days and accumulates 2.3" (58.4mm) of precipitation.

What is the month with the shortest days in St. Augustine?

The month with the shortest days in St. Augustine, Florida, is December, with an average of 10.2h of daylight.

What is the month with the least sunshine in St. Augustine?

The month with the least sunshine in St. Augustine, Florida, is December, with an average of 6h of sunshine.

Average temperature
St. Augustine, FL

Average temperature - St. Augustine, FL

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (66°F).

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (46°F).

Average rainfall
St. Augustine, FL

Average rainfall - St. Augustine, FL

The wettest month (with the highest rainfall) is September (7.5").
The driest month (with the lowest rainfall) is November (2.3").

Average rainfall days
St. Augustine, FL

Average rainfall days - St. Augustine, FL

Months with the highest number of rainy days are July and August (15 days).
The month with the lowest number of rainy days is April (6 days).

Average sea temperature
St. Augustine, FL

Average sea temperature - St. Augustine, FL

The best month for swimming (with the highest average sea temperature) is August (83.8°F).
Coldest months (with the lowest average sea temperature) are January and February (64.3°F).

Average daylight / Average sunshine
St. Augustine, FL

Average daylight / Average sunshine - St. Augustine, FL

The month with the longest days is June (Average daylight: 14.1h).
The month with shortest days is December (Average daylight: 10.2h).

Months with most sunshine are March, April, May, June, July and August (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 6h).

Average UV index
St. Augustine, FL

Average UV index - St. Augustine, FL

Months with the highest UV index are June and July (UV index 11).
Months with the lowest UV index are January and December (UV index 4).