Climate and monthly weather forecast
Casselberry, FL

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Weather in January

January, like December, is an agreeable winter month in Casselberry, Florida, with an average temperature varying between 68.2°F (20.1°C) and 51.1°F (10.6°C). Temperature records mark January as the coldest month, with highs averaging 68.2°F (20.1°C) and lows at 51.1°F (10.6°C). Weather in January »

Weather in February

The last month of the winter, February, is also an agreeable month in Casselberry, Florida, with an average temperature varying between 71.8°F (22.1°C) and 54.9°F (12.7°C). The unfolding of February shows an average high-temperature of a still pleasant 71.8°F (22.1°C), indicating a slight variance from January's 68.2°F (20.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a warm month in Casselberry, Florida, with an average temperature ranging between min 58.3°F (14.6°C) and max 76.1°F (24.5°C). A minor adjustment in Casselberry's average high-temperature is noted with the start of March, touching a warm 76.1°F (24.5°C) from February's 71.8°F (22.1°C). Weather in March »

Weather in April

April, like March, in Casselberry, Florida, is a moderately hot spring month, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 82°F (27.8°C). April's arrival brings a modest temperature shift, moving from a moderately hot 76.1°F (24.5°C) in March to a still warm 82°F (27.8°C). Weather in April »

Weather in May

May, the last month of the spring in Casselberry, is a hot month, with temperature in the range of an average low of 69.1°F (20.6°C) and an average high of 86.2°F (30.1°C). Casselberry marks the arrival of May with an average high-temperature of a hot 86.2°F (30.1°C), hardly different from April's 82°F (27.8°C). Weather in May »

Weather in June

The first month of the summer, June, is also a hot month in Casselberry, Florida, with temperature in the range of an average low of 74.1°F (23.4°C) and an average high of 89.6°F (32°C). In June, the average high-temperature registers at a still tropical 89.6°F (32°C), nearly identical to May's 86.2°F (30.1°C). Weather in June »

Weather in July

July, the same as June, in Casselberry, Florida, is a hot summer month, with an average temperature varying between 75.9°F (24.4°C) and 90.9°F (32.7°C). The shift to July signals an average high-temperature of a still tropical 90.9°F (32.7°C), subtly varied from June's 89.6°F (32°C). Weather in July »

Weather in August

August, the last month of the summer in Casselberry, is also a hot month, with an average temperature ranging between min 76.6°F (24.8°C) and max 91°F (32.8°C). August proves to be the warmest month, recording an average peak temperature of 91°F (32.8°C) and a minimum temperature of 76.6°F (24.8°C). In August, the heat index is computed to be a burning hot 113°F (45°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a hot month in Casselberry, Florida, with an average temperature ranging between max 88.5°F (31.4°C) and min 74.3°F (23.5°C). The transition from August to September sees an average high-temperature of a still tropical 88.5°F (31.4°C), indicating a minor variance from the prior month. Weather in September »

Weather in October

October, like September, in Casselberry, Florida, is another warm autumn month, with an average temperature varying between 83.3°F (28.5°C) and 68°F (20°C). Casselberry notes an average high-temperature of a warm 83.3°F (28.5°C) in October, hardly diverging from September. Weather in October »

Weather in November

The last month of the autumn, November, is also a moderately hot month in Casselberry, Florida, with temperature in the range of an average low of 60.8°F (16°C) and an average high of 75.7°F (24.3°C). Casselberry's November weather features a light decline in high-temperatures, reducing from a moderately hot 83.3°F (28.5°C) in October to a still warm 75.7°F (24.3°C). Weather in November »

Weather in December

The first month of the winter, December, is also an agreeable month in Casselberry, Florida, with an average temperature fluctuating between 72.1°F (22.3°C) and 56.3°F (13.5°C). With the start of December, Casselberry measures an average high-temperature of an agreeable 72.1°F (22.3°C), not significantly differing from November's 75.7°F (24.3°C). Weather in December »
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Casselberry?

January, known for its average high temperature of 68.2°F (20.1°C) and an average low temperature of 51.1°F (10.6°C), is the coldest month.

What is the driest month in Casselberry?

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

How much does it rain in Casselberry?

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

When is the lowest UV index in Casselberry?

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

What is the least humid month in Casselberry?

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

When is Daylight Saving Time (DST) in Casselberry?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Casselberry, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When is the highest UV index in Casselberry?

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

When are the longest days in Casselberry?

June has the longest days of the year, with an average of 13h and 54min of daylight.

What month has the most sunshine in Casselberry?

With an average of 10.9h of sunshine, July has the most sunshine of the year.

What is the hottest time of year in Casselberry?

Casselberry's warmest temperatures are experienced in August, with average high temperatures of 91°F (32.8°C) and lows of 76.6°F (24.8°C).

What is the wettest month in Casselberry?

August is the month with the most rainfall in Casselberry, Florida. Rain falls for 23.4 days and accumulates 3.82" (97mm) of precipitation.

What is the most humid month in Casselberry?

September is the most humid month, with an average relative humidity of 77%.

What is the month with the shortest days in Casselberry?

December has the shortest days of the year in Casselberry, Florida, with an average of 10h and 24min of daylight.

What is the month with the least sunshine in Casselberry?

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

Average temperature
Casselberry, FL

Average temperature - Casselberry, 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).

Average pressure
Casselberry, FL

Average pressure - Casselberry, FL

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

Average wind speed
Casselberry, FL

Average wind speed - Casselberry, 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).

Average humidity
Casselberry, FL

Average humidity - Casselberry, FL

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

Average rainfall
Casselberry, FL

Average rainfall - Casselberry, 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").

Average rainfall days
Casselberry, FL

Average rainfall days - Casselberry, 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).

Average daylight / Average sunshine
Casselberry, FL

Average daylight / Average sunshine - Casselberry, FL

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

Average sunshine days
Casselberry, FL

Average sunshine days - Casselberry, 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).

Average UV index
Casselberry, FL

Average UV index - Casselberry, FL

The 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).

Average visibility
Casselberry, FL

Average visibility - Casselberry, FL

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

Casselberry, Florida, USA

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