May weather forecastNaples, ME
May
Weather in May
The last month of the spring, May, is a refreshing month in Naples, Maine, with an average temperature fluctuating between 43.3°F (6.3°C) and 63.7°F (17.6°C).Temperature
The start of May signals an increase in the average high-temperature, moving from a cool 50.2°F (10.1°C) in April to a refreshing 63.7°F (17.6°C). The low-temperature averages to a chilly 43.3°F (6.3°C) during the nights of May.Humidity
In May, the average relative humidity is 78%.Rainfall
In May, the rain falls for 16.3 days. Throughout May, 2.52" (64mm) of precipitation is accumulated. In Naples, Maine, during the entire year, the rain falls for 156.2 days and collects up to 31.02" (788mm) of precipitation.Snowfall
Months with snowfall in Naples are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Naples aggregates 0.39" (10mm) of snow. Throughout the year, there are 54.7 snowfall days, and 40.2" (1021mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 46min.On the first day of the month, sunrise is at 5:32 am and sunset at 7:46 pm. On the last day of May, sunrise is at 5:02 am and sunset at 8:17 pm EDT.
Sunshine
The average sunshine in May is 8h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Naples, ME
- Average high temperature in May: 63.7°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in May: 43.3°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in May
Naples, ME
- Average pressure in May: 29.99"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Naples, ME
- Average wind speed in May: 5.7mph
The windiest months (with the highest average wind speed) are March and April (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in May
Naples, ME
- Average humidity in May: 78%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
Naples, ME
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Naples, ME
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in May
Naples, ME
- Average snowfall in May: 0.39"
The month with the highest snowfall is February (10.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Naples, ME
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is March (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Naples, ME
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
Naples, ME
- Average sunshine days in May: 11.5 days
The months with the most sunshine days are September and November (16.7 days).
The months with the least sunshine days are April and June (10.6 days).
Average UV index in May
Naples, ME
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Naples, ME
- Average cloud cover in May: 50
The months with the most cloud cover are February and March (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in May
Naples, ME
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
