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 April transitions into May, a change in temperatures is observed, with average highs moving from a refreshing 60.1°F (15.6°C) to a pleasant 70.7°F (21.5°C). Throughout May, an average nighttime temperature of 52°F (11.1°C) is experienced in Boyertown.Humidity
The average relative humidity in May in Boyertown is 78%.Rainfall
In May, in Boyertown, the rain falls for 14 days. Throughout May, 1.38" (35mm) of precipitation is accumulated. Throughout the year, in Boyertown, there are 128.6 rainfall days, and 15.16" (385mm) of precipitation is accumulated.Snowfall
Months with snowfall in Boyertown are January through May, November and December. May is the last month it regularly snows in Boyertown, Pennsylvania. During 0.1 snowfall days, in May, Boyertown aggregates 0.16" (4mm) of snow. In Boyertown, during the entire year, snow falls for 17 days and aggregates up to 5.43" (138mm) of snow.Daylight
In Boyertown, the average length of the day in May is 14h and 26min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:58 pm. On the last day of May, in Boyertown, sunrise is at 5:34 am and sunset at 8:25 pm EDT.
Sunshine
In May, the average sunshine in Boyertown is 8.4h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Boyertown. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 6 suggests this advice:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What are the temperatures in Boyertown in May?
What is the average humidity in May in Boyertown?
How much does it rain in Boyertown in May?
What is the last month it snows in Boyertown?
How many hours of daylight does Boyertown have in May?
What time are sunrise and sunset in May in Boyertown?
How many hours of sunshine does Boyertown have in May?
What is the month with the highest UV index in Boyertown?
What is the UV index reading in May in Boyertown?
Average temperature in May
Boyertown, PA
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in May: 52°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in May
Boyertown, 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
Boyertown, PA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Boyertown, PA
- Average humidity in May: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in May
Boyertown, PA
- Average rainfall in May: 1.38"
The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in May
Boyertown, PA
- Average rainfall days in May: 14 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in May
Boyertown, PA
- Average snowfall in May: 0.16"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Boyertown, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Boyertown, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Boyertown, PA
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in May
Boyertown, 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, March, November and December (UV index 2).
Average cloud cover in May
Boyertown, PA
- Average cloud cover in May: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Boyertown, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Boyertown, Pennsylvania, USA
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