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
As Irvine transitions into May, a rise in the average high-temperature is observed, moving from a fresh 53.4°F (11.9°C) in April to an enjoyable 66.4°F (19.1°C). May brings Irvine a consistent average low-temperature of 46°F (7.8°C).Humidity
The least humid month is May, with an average relative humidity of 80%.Rainfall
In Irvine, in May, it is raining for 17.9 days, with typically 2.01" (51mm) of accumulated precipitation. In Irvine, Pennsylvania, during the entire year, the rain falls for 162.1 days and collects up to 21.81" (554mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Irvine. During 0.8 snowfall days, in May, Irvine aggregates 0.12" (3mm) of snow. In Irvine, during the entire year, snow falls for 88.7 days and aggregates up to 29.57" (751mm) of snow.Daylight
The average length of the day in May is 14h and 34min.On the first day of May, sunrise is at 6:12 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:45 pm EDT.
Sunshine
The average sunshine in May is 8.2h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Around midday, solar radiation is most harmful; hence, exposure should be limited. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Irvine in May?
What is the least humid month?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Irvine have in May?
When are sunrise and sunset in May?
How long on average sun shines in May in Irvine?
When is the highest UV index?
How high is the UV index in May?
Average temperature in May
Irvine, PA
- Average high temperature in May: 66.4°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in May
Irvine, PA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Irvine, PA
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in May
Irvine, PA
- Average humidity in May: 80%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (80%).
Average rainfall in May
Irvine, PA
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is March (1.42").
Average rainfall days in May
Irvine, PA
- Average rainfall days in May: 17.9 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in May
Irvine, PA
- Average snowfall in May: 0.12"
The month with the highest snowfall is December (6.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Irvine, PA
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (22 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Irvine, PA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in May
Irvine, PA
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is September (12.9 days).
The month with the least sunshine days is January (5.1 days).
Average UV index in May
Irvine, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Irvine, PA
- Average cloud cover in May: 49
The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in May
Irvine, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, September, October and November (5mi).
The months with the lowest visibility are January, February, August and December (4mi).
Irvine, Pennsylvania, USA
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