May weather forecastCrystal River, FL
May
Weather in May
The last month of the spring, May, is another warm month in Crystal River, Florida, with an average temperature ranging between max 84.6°F (29.2°C) and min 69.4°F (20.8°C).Temperature
Crystal River marks the start of May with an average high-temperature of a still warm 84.6°F (29.2°C), hinting at a slight fluctuation from April's 79.5°F (26.4°C). Crystal River's temperature lowers to a mean of 69.4°F (20.8°C) during the nights in May.Heat index
In May, the heat index is calculated to be a hot 93.2°F (34°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
January, March and May, with an average relative humidity of 73%, are the least humid months in Crystal River.Rainfall
In Crystal River, during May, the rain falls for 14.3 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 178.4 rainfall days, and 34.06" (865mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Ocean temperature
In Crystal River, in May, the average water temperature is 77°F (25°C).Note: Water temperature ranging from 77°F (25°C) to 84.2°F (29°C) is recognized as warm and pleasant by all, making water activities comfortable and delightful for long durations.
Daylight
In May, the average length of the day in Crystal River is 13h and 36min.On the first day of the month, sunrise is at 6:48 am and sunset at 8:06 pm. On the last day of May, in Crystal River, Florida, sunrise is at 6:32 am and sunset at 8:24 pm EDT.
Sunshine
May has the most sunshine of the year, with an average of 11h of sunshine.UV index
The 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 hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 7 in May, converts into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. 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. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Crystal River, FL
- Average high temperature in May: 84.6°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is January (65.3°F).
- Average low temperature in May: 69.4°F
The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (49.6°F).
Average pressure in May
Crystal River, 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 (29.97"Hg).
Average wind speed in May
Crystal River, FL
- Average wind speed in May: 6.9mph
The windiest months (with the highest average wind speed) are March and April (7.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in May
Crystal River, FL
- Average humidity in May: 73%
The month with the highest relative humidity is September (78%).
The months with the lowest relative humidity are January, March and May (73%).
Average rainfall in May
Crystal River, FL
- Average rainfall in May: 2.44"
The wettest month (with the highest rainfall) is August (5.51").
The driest month (with the least rainfall) is March (1.26").
Average rainfall days in May
Crystal River, FL
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is August (26.9 days).
The month with the least rainy days is November (8.7 days).
Average snowfall days in May
Crystal River, FL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in May
Crystal River, FL
- Average sea temperature in May: 77°F
The best month for swimming (with the highest average sea temperature) is August (86°F).
The coldest months (with the lowest average sea temperature) are February and March (68°F).
Average daylight in May /
Average sunshine in May
Crystal River, FL
- Average daylight in May: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in May: 11h and 0min
The month with the most sunshine is May (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in May
Crystal River, FL
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is August (2.1 days).
Average UV index in May
Crystal River, 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
Crystal River, FL
- Average cloud cover in May: 24
The months with the most cloud cover are February and December (Cloud cover 34).
The month with the least cloud cover is May (Cloud cover 24).
Average visibility in May
Crystal River, 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).
