Monthly weather forecast and climate
Altamonte Springs, FL

Weather in January

January, like December, is an agreeable winter month in Altamonte Springs, Florida, with average temperature varying between 51.1°F (10.6°C) and 68.2°F (20.1°C). The coldest month is January, with an average high-temperature of 68.2°F (20.1°C) and an average low-temperature of 51.1°F (10.6°C). Weather in January »

Weather in February

February, the last month of the winter, in Altamonte Springs, is also an agreeable month, with temperature in the range of an average low of 54.9°F (12.7°C) and an average high of 71.8°F (22.1°C). In February, the average high-temperature is practically the same as in January - a still agreeable 71.8°F (22.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a moderately hot month in Altamonte Springs, Florida, with average temperature ranging between max 76.1°F (24.5°C) and min 58.3°F (14.6°C). In March, the average high-temperature is essentially the same as in February - a moderately hot 76.1°F (24.5°C). Weather in March »

Weather in April

April, like March, in Altamonte Springs, Florida, is a moderately hot spring month, with average temperature ranging between max 82°F (27.8°C) and min 63.9°F (17.7°C). In April, the average high-temperature marginally rises, from 76.1°F (24.5°C) in March, to a still moderately hot 82°F (27.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a tropical month in Altamonte Springs, Florida, with average temperature fluctuating between 86.2°F (30.1°C) and 69.1°F (20.6°C). In Altamonte Springs, the average high-temperature is essentially the same as in April - a tropical 86.2°F (30.1°C). Weather in May »

Weather in June

The first month of the summer, June, is still a hot month in Altamonte Springs, Florida, with average temperature ranging between min 74.1°F (23.4°C) and max 89.6°F (32°C). In June, the average high-temperature is almost the same as in May - a still hot 89.6°F (32°C). Weather in June »

Weather in July

July, like June, is another hot summer month in Altamonte Springs, Florida, with average temperature fluctuating between 90.9°F (32.7°C) and 75.9°F (24.4°C). In Altamonte Springs, the average high-temperature in July is almost the same as in June - a still tropical 90.9°F (32.7°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Altamonte Springs, Florida, with temperature in the range of an average low of 76.6°F (24.8°C) and an average high of 91°F (32.8°C). August is the warmest month, with an average high-temperature of 91°F (32.8°C) and an average low-temperature of 76.6°F (24.8°C). In August, the average heat index is estimated at a burning hot 113.9°F (45.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in Altamonte Springs, Florida, with average temperature fluctuating between 88.5°F (31.4°C) and 74.3°F (23.5°C). In September, the average high-temperature is essentially the same as in August - a still hot 88.5°F (31.4°C). Weather in September »

Weather in October

October, like September, in Altamonte Springs, Florida, is a moderately hot autumn month, with average temperature ranging between min 68°F (20°C) and max 83.3°F (28.5°C). In October, the average high-temperature is almost the same as in September - a moderately hot 83.3°F (28.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in Altamonte Springs, is also a moderately hot month, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 60.8°F (16°C). In Altamonte Springs, Florida, the average high-temperature in November slightly decreases, from a warm 83.3°F (28.5°C) in October, to a still moderately hot 75.7°F (24.3°C). Weather in November »

Weather in December

December, the first month of the winter, in Altamonte Springs, is still a pleasant month, with average temperature varying between 56.3°F (13.5°C) and 72.1°F (22.3°C). In Altamonte Springs, Florida, the average high-temperature is practically the same as in November - an agreeable 72.1°F (22.3°C). Weather in December »
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FAQ

What is the coldest month in Altamonte Springs?

The coldest month in Altamonte Springs is January, with an average high-temperature of 68.2°F (20.1°C) and an average low-temperature of 51.1°F (10.6°C).

How many days does it rain in Altamonte Springs?

Throughout the year, in Altamonte Springs, there are 172.9 rainfall days, and 22.76" (578mm) of precipitation is accumulated.

What is the driest month in Altamonte Springs?

January and March are months with the least rain when the rain falls for 8.9 days and typically aggregates up to 0.79" (20mm) of rain.

When is the lowest UV index in Altamonte Springs?

With an average maximum UV index of 4, January is the month with the lowest UV index in Altamonte Springs.

What is the least humid month in Altamonte Springs?

The least humid month is March, with an average relative humidity of 70%.

What is the month with the highest UV index in Altamonte Springs?

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

When are the longest days in Altamonte Springs?

With an average of 14h of daylight, June has the longest days of the year.

What month has the most sunshine in Altamonte Springs?

July has the most sunshine of the year in Altamonte Springs, Florida, with an average of 10.9h of sunshine.

What is the warmest month in Altamonte Springs?

With an average high-temperature of 91°F (32.8°C) and an average low-temperature of 76.6°F (24.8°C), August is the warmest month in Altamonte Springs.

What is the wettest month in Altamonte Springs?

The month with the most rainfall is August when the rain falls for 23.4 days and typically aggregates up to 3.82" (97mm) of precipitation.

What is the most humid month in Altamonte Springs?

The most humid month in Altamonte Springs is September, with an average relative humidity of 77%.

What is the month with the shortest days in Altamonte Springs?

With an average of 10.3h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Altamonte Springs?

December has the least sunshine of the year, with an average of 6.1h of sunshine.

Average temperature
Altamonte Springs, FL

Average temperature - Altamonte Springs, FL

The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (68.2°F).

The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (51.1°F).

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Average pressure
Altamonte Springs, FL

Average pressure - Altamonte Springs, FL

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is September (29.97").

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Average wind speed
Altamonte Springs, FL

Average wind speed - Altamonte Springs, FL

The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

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Average humidity
Altamonte Springs, FL

Average humidity - Altamonte Springs, FL

The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is March (70%).

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Average rainfall
Altamonte Springs, FL

Average rainfall - Altamonte Springs, FL

The wettest month (with the highest rainfall) is August (3.82").
The driest months (with the least rainfall) are January and March (0.79").

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Average rainfall days
Altamonte Springs, FL

Average rainfall days - Altamonte Springs, FL

The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is January (8.9 days).

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Average daylight / Average sunshine
Altamonte Springs, FL

Average daylight / Average sunshine - Altamonte Springs, FL

The month with the longest days is June (Average daylight: 14h).
The month with the shortest days is December (Average daylight: 10.3h).

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is December (Average sunshine: 6.1h).

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Average sunshine days
Altamonte Springs, FL

Average sunshine days - Altamonte Springs, FL

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (4.6 days).

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Average UV index
Altamonte Springs, FL

Average UV index - Altamonte Springs, FL

Months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

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Average visibility
Altamonte Springs, FL

Average visibility - Altamonte Springs, 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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