May weather forecastDunedin, FL
May
Weather in May
May, the last month of the spring in Dunedin, is another warm month, with an average temperature varying between 73°F (22.8°C) and 82.4°F (28°C).Temperature
As Dunedin welcomes May, the average high-temperature stabilizes at a still warm 82.4°F (28°C), showing little deviation from April's 77.9°F (25.5°C). Dunedin in May anticipates an average nighttime temperature of 73°F (22.8°C).Heat index
Throughout May, the heat index is computed to be a hot 87.8°F (31°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
The months with the lowest humidity are May and October, with an average relative humidity of 72%.Rainfall
In Dunedin, in May, during 12.9 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 168.5 rainfall days, and 27.4" (696mm) of precipitation is accumulated.Ocean temperature
In Dunedin, in May, the average water temperature is 78.4°F (25.8°C).Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable.
Daylight
In May, the average length of the day is 13h and 33min.On the first day of the month, sunrise is at 6:50 am and sunset at 8:05 pm. On the last day of May, in Dunedin, sunrise is at 6:34 am and sunset at 8:22 pm EDT.
Sunshine
With an average of 11.2h of sunshine, May has the most sunshine of the year.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 7 during May leads to these instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Stay aware! UV radiation is magnified when reflecting off sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Dunedin, FL
- Average high temperature in May: 82.4°F
The warmest month (with the highest average high temperature) is August (88°F).
The month with the lowest average high temperature is January (65.7°F).
- Average low temperature in May: 73°F
The month with the highest average low temperature is August (80.4°F).
The coldest month (with the lowest average low temperature) is January (55°F).
Average pressure in May
Dunedin, FL
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in May
Dunedin, FL
- Average wind speed in May: 8.3mph
The windiest months (with the highest average wind speed) are January and March (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in May
Dunedin, FL
- Average humidity in May: 72%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are May and October (72%).
Average rainfall in May
Dunedin, FL
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is August (5.16").
The driest month (with the least rainfall) is March (0.79").
Average rainfall days in May
Dunedin, FL
- Average rainfall days in May: 12.9 days
The month with the highest number of rainy days is July (25.6 days).
The month with the least rainy days is November (7.6 days).
Average sea temperature in May
Dunedin, FL
- Average sea temperature in May: 78.4°F
The best month for swimming (with the highest average sea temperature) is August (86.6°F).
The coldest month (with the lowest average sea temperature) is January (61.1°F).
Average daylight in May /
Average sunshine in May
Dunedin, FL
- Average daylight in May: 13h and 30min
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).
- Average sunshine in May: 11h and 12min
The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in May
Dunedin, FL
- Average sunshine days in May: 15.6 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (3.6 days).
Average UV index in May
Dunedin, FL
- Average UV index in May: 7
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 cloud cover in May
Dunedin, FL
- Average cloud cover in May: 20
The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 20).
Average visibility in May
Dunedin, FL
- Average visibility in May: 6mi
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).
