Madeira Beach
Florida, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and Climate
Madeira Beach, FL

May brings brilliant sunshine to Madeira Beach as the temperatures soar to an average 90°F (32.2°C). Late spring brings about 3" (76.2mm) of rainfall, but just one of five days is wet.
The heat and humidity are the lowest in the mornings and rise quickly as the day progresses. The average sea temperature is at a warm 78°F (25.6°C), which makes swimming comfortable.
Avoid the beach during midday as the ultraviolet index of the sun is at a dangerous high of 11 during May, the sunniest month of the year. The demand for sunscreens and lotions goes up in Madeira Beach.
  • The average high temperature in May: 86°F

Warmest months (with the highest average high temperature) are June, July, August and September (90°F).
The month with the lowest average high temperature is January (68°F).

  • The average low temperature in May: 68°F

Months with the highest average low temperature are June, July, August and September (73°F).
The coldest month (with the lowest average low temperature) is January (50°F).

  • The average rainfall in May: 3"

The wettest month (with the highest rainfall) is August (7.6").
The driest month (with the lowest rainfall) is April (1.5").

  • The average rainfall days in May: 6 days

The month with the highest number of rainy days is August (17 days).
The month with the lowest number of rainy days is April (4 days).

  • The average sea temperature in May: 78.2°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64°F).

  • The average daylight in May: 14h

Months with the longest days are May, June and July (Average daylight: 14h).
The month with shortest days is December (Average daylight: 10h).

  • The average sunshine in May: 10h

Months with most sunshine are April and May (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 6h).

  • The average UV index in May: 11

Months with the highest UV index are May, June, July and August (UV index 11).
Months with the lowest UV index are January and December (UV index 5).