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 snowfall in May
- Average snowfall 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
An escalation in the average high-temperature is seen with the onset of May, moving from a cool 52.3°F (11.3°C) in April to a comfortable 65.8°F (18.8°C). Porterville's temperature drops to an average low of 47.3°F (8.5°C) during the nights of May.Humidity
May, July and September, with an average relative humidity of 78%, are the least humid months in Porterville.Rainfall
May is the month with the most rainfall. Rain falls for 18 days and accumulates 3.07" (78mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.7 snowfall days, in May, Porterville aggregates 0.39" (10mm) of snow. In Porterville, New York, during the entire year, snow falls for 88.4 days and aggregates up to 38.39" (975mm) of snow.Daylight
In Porterville, the average length of the day in May is 14h and 40min.On the first day of the month, sunrise is at 6:07 am and sunset at 8:15 pm. On the last day of May, sunrise is at 5:38 am and sunset at 8:45 pm EDT.
Sunshine
In Porterville, the average sunshine in May is 8.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Porterville in May?
What are the least humid months in Porterville?
What is the average humidity in May in Porterville?
What is the rainiest month in Porterville?
How much does it rain in Porterville in May?
What is the last month it snows in Porterville?
How many hours of daylight does Porterville have in May?
When is the sunrise / sunset in May in Porterville?
How long on average sun shines in May in Porterville?
How high is the UV index in May in Porterville?
Average temperature in May
Porterville, NY
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in May: 47.3°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in May
Porterville, NY
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Porterville, NY
- Average wind speed in May: 7.6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in May
Porterville, NY
- Average humidity in May: 78%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are May, July and September (78%).
Average rainfall in May
Porterville, NY
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in May
Porterville, NY
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (8 days).
Average snowfall in May
Porterville, NY
- Average snowfall in May: 0.39"
The month with the highest snowfall is February (9.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Porterville, NY
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is January (19.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Porterville, NY
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in May
Porterville, NY
- Average sunshine days in May: 10 days
The month with the most sunshine days is September (11.9 days).
The month with the least sunshine days is February (5.3 days).
Average UV index in May
Porterville, NY
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Porterville, NY
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Porterville, NY
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
Porterville, New York, USA
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