Tampa
Florida, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Tampa, FL

The Hillsborough River flowing under the bridge in Tampa, Florida, with a beautiful skyline above
The Hillsborough River flowing under the bridge in Tampa, Florida, with a beautiful skyline above
The last month of the spring, May, is a hot month in Tampa, Florida, with average temperature ranging between max 86°F (30°C) and min 71.6°F (22°C).

Temperature

In May, the average high-temperature is practically the same as in April - a hot 86°F (30°C). The average low-temperature, in Tampa, Florida, is 71.6°F (22°C).

Heat index

The average heat index is appraised at a hot 94.6°F (34.8°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, pregnancy, metabolic differences, and clothing affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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.

Humidity

The least humid month is May, with an average relative humidity of 69%.

Rainfall

In Tampa, in May, during 15.5 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Tampa, during the entire year, the rain falls for 178.2 days and collects up to 32.87" (835mm) of precipitation.

Ocean temperature

In May, the average ocean temperature is 78.4°F (25.8°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in Tampa, Florida, is 13.5h.

Sunshine

With an average of 10.9h of sunshine, May has the most sunshine of the year in Tampa.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to the UV radiation for the average person.
Note: In May, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in May in Tampa?

The average high-temperature, in May, in Tampa, is 86°F (30°C), while the average low-temperature is 71.6°F (22°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, in May is calculated to 94.6°F (34.8°C).

What is the least humid month in Tampa?

With an average relative humidity of 69%, May is the least humid month in Tampa, Florida.

What is the average humidity in May in Tampa?

In May, the average relative humidity is 69%.

How many days does it rain in May in Tampa?

In Tampa, during May, the rain falls for 15.5 days and regularly aggregates up to 2.64" (67mm) of precipitation.

What is the ocean temperature in May in Tampa?

In May, the average ocean temperature in Tampa is 78.4°F (25.8°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

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

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

What month has the most sunshine in Tampa?

With an average of 10.9h of sunshine, May has the most sunshine of the year in Tampa.

How long on average sun shines in May in Tampa?

In May, the average sunshine in Tampa, Florida, is 10.9h.

When is the highest UV index in Tampa?

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

What is the UV index reading in May in Tampa?

In May, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in May - Tampa, FL
  • Average high temperature in May: 30°C

The warmest month (with the highest average high temperature) is August (32.4°C).
The month with the lowest average high temperature is January (19.9°C).

  • Average low temperature in May: 22°C

The month with the highest average low temperature is August (26.1°C).
The coldest month (with the lowest average low temperature) is January (11.9°C).

Average humidity in May - Tampa, FL
  • Average humidity in May: 69%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is May (69%).

Average rainfall in May - Tampa, FL
  • Average rainfall in May: 67mm

The wettest month (with the highest rainfall) is July (144mm).
The driest month (with the lowest rainfall) is November (32mm).

Average rainfall days in May - Tampa, FL
  • Average rainfall days in May: 15.5 days

The month with the highest number of rainy days is August (25.3 days).
The month with the lowest number of rainy days is November (8.2 days).

Average sea temperature in May - Tampa, FL
  • Average sea temperature in May: 25.8°C

The best month for swimming (with the highest average sea temperature) is August (30.3°C).
The coldest month (with the lowest average sea temperature) is January (18.2°C).

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

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

  • Average sunshine in May: 10.9h

The month with most sunshine is May (Average sunshine: 10.9h).
The month with least sunshine is December (Average sunshine: 6.3h).

Average UV index in May - Tampa, 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).