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
The beginning of May signals a rise in the average high-temperature, moving from a comfortable 61.2°F (16.2°C) in April to an agreeable 71.2°F (21.8°C). In the month of May, the average low-temperature in Roelofs usually rests at a fresh 53.8°F (12.1°C).Humidity
In Roelofs, the average relative humidity in May is 76%.Rainfall
In Roelofs, in May, it is raining for 16.8 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, in Roelofs, there are 154.4 rainfall days, and 31.38" (797mm) of precipitation is accumulated.Snowfall
Months with snowfall in Roelofs are January through May, November and December. May is the last month it regularly snows in Roelofs. During 0.1 snowfall days, in May, Roelofs aggregates 0.24" (6mm) of snow. Throughout the year, in Roelofs, Pennsylvania, there are 15.9 snowfall days, and 8.5" (216mm) of snow is accumulated.Daylight
In Roelofs, Pennsylvania, the average length of the day in May is 14h and 26min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:22 pm EDT.
Sunshine
In Roelofs, Pennsylvania, the average sunshine in May is 8.7h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Roelofs. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 6 in May transforms into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What are the temperatures in Roelofs in May?
What is the average humidity in May in Roelofs?
How many days does it rain in May in Roelofs?
What is the last month it snows in Roelofs?
What is the average length of the day in May in Roelofs?
When are sunrise and sunset in May in Roelofs?
How many hours of sunshine does Roelofs have in May?
What are the months with the highest UV index in Roelofs?
What is the UV index intensity in May in Roelofs?
Average temperature in May
Roelofs, PA
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 53.8°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in May
Roelofs, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Roelofs, PA
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
Roelofs, PA
- Average humidity in May: 76%
The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Roelofs, PA
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in May
Roelofs, PA
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8 days).
Average snowfall in May
Roelofs, PA
- Average snowfall in May: 0.24"
The month with the highest snowfall is March (2.99").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Roelofs, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Roelofs, PA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Roelofs, PA
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in May
Roelofs, PA
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Roelofs, PA
- Average cloud cover in May: 46
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Roelofs, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Roelofs, Pennsylvania, USA
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