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
With the onset of May, the average high-temperature slightly shifts from April's refreshing 56.8°F (13.8°C) to a pleasant 68°F (20°C). During May, Grier City records an average temperature of 49.3°F (9.6°C) at night.Humidity
In Grier City, Pennsylvania, the average relative humidity in May is 80%.Rainfall
May is the month with the most rainfall. Rain falls for 7.8 days and accumulates 0.71" (18mm) of precipitation.Snowfall
April through September are months without snowfall.Daylight
The average length of the day in May is 14h and 29min.On the first day of the month, sunrise is at 6:01 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:29 pm EDT.
Sunshine
In Grier City, the average sunshine in May is 8.1h.UV index
In Grier City, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. 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 temperature in May?
What is the average humidity in May?
What is the wettest month?
How many days does it rain in May?
When it does not snow?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Grier City have in May?
What is the UV index reading in May?
Average temperature in May
Grier City, PA
- Average high temperature in May: 68°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in May: 49.3°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Grier City, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Grier City, PA
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Grier City, PA
- Average humidity in May: 80%
The months with the highest relative humidity are February and December (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Grier City, PA
- Average rainfall in May: 0.71"
The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in May
Grier City, PA
- Average rainfall days in May: 7.8 days
The month with the highest number of rainy days is April (8.1 days).
The month with the least rainy days is November (3.5 days).
Average snowfall in May
Grier City, PA
- Average snowfall in May: 0"
The months with the highest snowfall are January and November (0.71").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in May
Grier City, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grier City, PA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in May
Grier City, PA
- Average sunshine days in May: 19.9 days
The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is May (19.9 days).
Average UV index in May
Grier City, PA
- 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, February, March, November and December (UV index 2).
Average cloud cover in May
Grier City, PA
- Average cloud cover in May: 50
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Grier City, PA
- Average visibility in May: 5mi
The months with the highest visibility are March and April (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September, October, November and December (5mi).
Grier City, Pennsylvania, USA
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