May weather forecast and climate
Dover, FL

May, the last month of the spring, in Dover, is a tropical month, with average temperature ranging between max 86.5°F (30.3°C) and min 69.4°F (20.8°C).

Temperature

In May, the average high-temperature is relatively the same as in April - a tropical 86.5°F (30.3°C). In May, the average low-temperature is 69.4°F (20.8°C).

Heat index

The average heat index is appraised at a very hot 96.8°F (36°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like differences in body mass, height, and shape, clothing, metabolic differences, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

Months with the lowest humidity in Dover are March and May, with an average relative humidity of 71%.

Rainfall

In Dover, it is raining for 16.5 days, with typically 3.5" (89mm) of accumulated precipitation. Throughout the year, in Dover, there are 192.2 rainfall days, and 37.91" (963mm) of precipitation is accumulated.

Daylight

In May, the average length of the day is 13.5h.

Sunshine

May has the most sunshine of the year in Dover, Florida, with an average of 10.8h of sunshine.

UV index

Months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in May in Dover?

In May, in Dover, the average high-temperature is 86.5°F (30.3°C), and the average low-temperature is 69.4°F (20.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), that represents influence of the relative humidity to air temperaure, in May is evaluated at 96.8°F (36°C).

What are the least humid months in Dover?

Months with the lowest humidity are March and May, with an average relative humidity of 71%.

What is the average humidity in May in Dover?

In May, the average relative humidity is 71%.

How many days does it rain in May in Dover?

In Dover, Florida, during May, the rain falls for 16.5 days and regularly aggregates up to 3.5" (89mm) of precipitation.

What is the average length of the day in May in Dover?

The average length of the day in May is 13.5h.

What month has the most sunshine in Dover?

May has the most sunshine of the year, with an average of 10.8h of sunshine.

How long on average sun shines in May in Dover?

In Dover, the average sunshine in May is 10.8h.

What is the month with the highest UV index in Dover?

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

What is the UV index intensity in May in Dover?

The average daily maximum UV index in May in Dover, Florida, is 7. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation.
Average temperature in May - Dover, FL
  • Average high temperature in May: 86.5°F

The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (68.9°F).

  • Average low temperature in May: 69.4°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 (51.8°F).

Average pressure in May - Dover, FL
  • Average pressure in May: 30.01"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is September (29.96").

Average wind speed in May - Dover, FL
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is March (6.9mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

Average humidity in May - Dover, FL
  • Average humidity in May: 71%

The month with the highest relative humidity is September (78%).
Months with the lowest relative humidity are March and May (71%).

Average rainfall in May - Dover, FL
  • Average rainfall in May: 3.5"

The wettest month (with the highest rainfall) is August (6.93").
The driest month (with the least rainfall) is February (1.22").

Average rainfall days in May - Dover, FL
  • Average rainfall days in May: 16.5 days

The month with the highest number of rainy days is August (27.3 days).
The month with the least rainy days is February (8.8 days).

Average daylight in May / Average sunshine in May - Dover, FL
  • Average daylight in May: 13.5h

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

  • Average sunshine in May: 10.8h

The month with the most sunshine is May (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 6.2h).

Average sunshine days in May - Dover, FL
  • Average sunshine days in May: 13.4 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (2.7 days).

Average UV index in May - Dover, FL
  • Average UV index in May: 7

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 cloud cover in May - Dover, FL
  • Average cloud cover in May: 26

The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is May (Cloud cover 26).

Average visibility in May - Dover, FL
  • Average visibility in May: 6mi

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).