Monthly weather forecast and climate
Deerfield Beach, FL

Deerfield Beach experiences a tropical monsoon type of climate (Köppen climate classification Am) with hot and wet summers and cold winters. Deerfield Beach is a city, which lies in the Broward County of Florida, and is a part of the Miami metropolitan area. The large water bodies encompassing the city, and tropical latitudes influence the climate mainly. The proximity to the ocean waters keeps the temperatures warm throughout the year.

Deerfield Beach lies on Florida's east coast along the Atlantic Ocean at an average elevation of 4 meters above sea level. The region has a total area of 16.3 square miles, of which 7% is water. The city is almost at sea level and consists of soft white-sand beaches, shrublands, and palm trees.

Deerfield Beach has hot summers with average high temperatures above 90°F (32.2°C). The average high temperature touches the 92°F (33.3°C) mark at the peak of summer in July, while many days cross 95°F (35°C). Winters are mild, and the coldest month of January has the lowest average temperature of the year with 58°F (14.4°C). Spring has mild temperatures and has relatively lesser rainfall than the wet and warm autumn. The sea temperatures are mostly mild throughout the year. Thunderstorms are severe in the hot season, especially in the mornings and afternoons, while hurricanes are a constant threat during the storm season from June to December.

The annual precipitation is an ample 57" (1447.8mm) with the majority of the rainfall from May to October. Summers are the wettest, while winters are relatively dry. Deerfield Beach registers 262 sunny days during the year. The average humidity is 72% during the year, with a peak in September. Foggy conditions prevail in the storm season, but snowfall is rare.

The highest recorded temperature in Deerfield Beach is 101°F (38.3°C), set in 1981, while the lowest temperature on record is 21°F (-6.1°C), set in 1995.
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The best time to visit Deerfield Beach is from December to March, which covers the entire winter and early part of spring. The temperatures are warm, the rainfall is minimal, and the conditions are pleasant during the winter after the end of the storm season. The average humidity is low during spring, and the temperatures see a rise by mid-April. Early spring also sees calm seas and less rain.

June to September is usually the worst time to visit Deerfield Beach. The peak of the wettest period occurs in June, which brings heavy rainfall to the region, and the skies are regularly cloudy. The average humidity is high, and the temperatures cross 95°F (35°C) for many days during the summer. The rainy months also bring the storm season, which starts in June and may last up to December.

Deerfield Beach, like most of coastal Florida, is prone to severe thunderstorms, tropical cyclones, hurricanes, and tornadoes mainly from June to December. Severe thunderstorms frequent the region, mostly in the mornings and sometimes even in the afternoons. Tropical cyclones spanning various categories are regular in the hurricane season and occasionally make landfills. Torrential rains with strong winds exceeding 150mph (241.4km/h) accompany the storms and cause devastation to the area.

January is usually the coldest month of the year in Deerfield Beach, but the average low temperature of 58°F (14.4°C) is one of the warmest in the United States. Weather in January »

The average temperatures are mostly in the 58°F (14.4°C) to 77°F (25°C) range but many days touch 85°F (29.4°C). Weather in February »

March is the last month of the temperate weather in Deerfield Beach. The average temperatures are in the 62°F (16.7°C) to 80°F (26.7°C) range. Weather in March »

April is a transitional month that brings warm temperatures and wet conditions to Deerfield Beach. The temperatures are in the warm zone of 66°F (18.9°C) to 83°F (28.3°C). Weather in April »

May begins the wet season with average temperatures in the 71°F (21.7°C) to 87°F (30.6°C) range. The days tend to be warm to hot, while the nights are comfortable. Weather in May »

The average temperatures are in the range of 74°F (23.3°C) to 90°F (32.2°C) and the cloudy days with high humidity exacerbate the heat effect. Weather in June »

July is usually the hottest month of the year in Deerfield Beach with the average temperatures in the 75°F (23.9°C) to 92°F (33.3°C) range. Weather in July »

The warm, wet and stormy weather keeps the average temperatures in the 75°F (23.9°C) to 92°F (33.3°C) range, and the humidity makes the heat more pronounced. Weather in August »

The average humidity is at the highest point of the year, and the temperatures register in the range of 74°F (23.3°C) to 91°F (32.8°C). Weather in September »

October sea temperatures are warm 78°F (25.6°C) as cruising, boating, and sailing activities garner interest. Weather in October »

The average temperatures are between 66°F (18.9°C) to 82°F (27.8°C), and the days are pleasant and mostly sunny. Weather in November »

December sees mild temperatures in the average range of 61°F (16.1°C) to 78°F (25.6°C). The winter in Deerfield Beach is relatively dry. Weather in December »

What is the coldest month in Deerfield Beach?

The coldest month is January, with an average high-temperature of 75.9°F (24.4°C) and an average low-temperature of 57.9°F (14.4°C).

How much does it rain in Deerfield Beach?

During the entire year, Deerfield Beach aggregates up to 57.4" (1457mm) of precipitation.

What are the months with the coldest sea water in Deerfield Beach?

January and February, with an average sea temperature of 74.3°F (23.5°C), are months with the coldest seawater in Deerfield Beach. A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 74.3°F (23.5°C) water. The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).

What is the rainiest month in Deerfield Beach?

June is the month with the most rainfall, with 7.3" (185.7mm) of accumulated precipitation.

What is the warmest month in Deerfield Beach?

Warmest months in Deerfield Beach are July and August, with an average high-temperature of 91.9°F (33.3°C).

When is the sea warmest in Deerfield Beach?

August is the month with the warmest seawater, with an average sea temperature of 86.4°F (30.2°C). The water temperature above 86°F (30°C) is arguably regarded as unpleasant. The primary purpose of entering the water - cooling down from sunshine and high temperatures - is lost.

What is the driest month in Deerfield Beach?

December is the month with the least rainfall in Deerfield Beach, with 2.5" (62.5mm) of accumulated precipitation.
Average temperature - Deerfield Beach, FL

Warmest months (with the highest average high temperature) are July and August (33.3°C).
The month with the lowest average high temperature is January (24.4°C).

Months with the highest average low temperature are July and August (23.9°C).
Coldest months (with the lowest average low temperature) are January and February (14.4°C).

Average rainfall - Deerfield Beach, FL

The wettest month (with the highest rainfall) is June (185.7mm).
The driest month (with the lowest rainfall) is December (62.5mm).

Average sea temperature - Deerfield Beach, FL

The best month for swimming (with the highest average sea temperature) is August (30.2°C).
Coldest months (with the lowest average sea temperature) are January and February (23.5°C).

Average daylight - Deerfield Beach, FL

The month with the longest days is June (Average daylight: 13.8h).
The month with shortest days is December (Average daylight: 10.5h).