Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May coincides with an average high-temperature of a still warm 84.2°F (29°C), indicating a minimal shift from April's 82.2°F (27.9°C). Princeton experiences a subtle drop in temperature during the May nights, recording an average of 76.6°F (24.8°C).Heat index
The average heat index in May is appraised at a tropical 91.4°F (33°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.Note that heat index values are valued for light wind and location in the shade. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The average relative humidity in May is 70%.Rainfall
In Princeton, in May, it is raining for 19.7 days, with typically 4.61" (117mm) of accumulated precipitation. Throughout the year, there are 225.9 rainfall days, and 40.91" (1039mm) of precipitation is accumulated.Daylight
In Princeton, the average length of the day in May is 13h and 24min.On the first day of May, sunrise is at 6:44 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 8:08 pm EDT.
Sunshine
The average sunshine in May is 10.5h.UV index
The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 7 in May leads to these recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in May?
What is the average humidity in May?
How many days does it rain in May in Princeton?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Princeton have in May?
When is the highest UV index?
What is the UV index reading in May?
Average temperature in May
Princeton, FL
- Average high temperature in May: 84.2°F
The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is January (73.9°F).
- Average low temperature in May: 76.6°F
The month with the highest average low temperature is August (81.7°F).
The coldest month (with the lowest average low temperature) is January (63.1°F).
Average pressure in May
Princeton, FL
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are September and October (29.94"Hg).
Average wind speed in May
Princeton, FL
- Average wind speed in May: 9.5mph
The windiest month (with the highest average wind speed) is March (10.2mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in May
Princeton, FL
- Average humidity in May: 70%
The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is March (68%).
Average rainfall in May
Princeton, FL
- Average rainfall in May: 4.61"
The wettest month (with the highest rainfall) is August (6.77").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in May
Princeton, FL
- Average rainfall days in May: 19.7 days
The month with the highest number of rainy days is August (26.8 days).
The months with the least rainy days are January and February (12.5 days).
Average daylight in May /
Average sunshine in May
Princeton, FL
- Average daylight in May: 13h and 2min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in May: 10h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in May
Princeton, FL
- Average sunshine days in May: 8.6 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (2.1 days).
Average UV index in May
Princeton, FL
- Average UV index in May: 7
The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in May
Princeton, FL
- Average cloud cover in May: 29
The month with the most cloud cover is October (Cloud cover 36).
The month with the least cloud cover is April (Cloud cover 26).
Average visibility in May
Princeton, 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).
Princeton, Florida, USA
Weather forecast for your location
2. Allow the app to use your location