May weather forecastPhoenixville, PA
May
Weather in May
May, the last month of the spring in Phoenixville, is a pleasant month, with an average temperature fluctuating between 71.2°F (21.8°C) and 53.1°F (11.7°C).Temperature
An increase in the average high-temperature marks May, moving from April's mild 60.6°F (15.9°C) to an agreeable 71.2°F (21.8°C). Phoenixville experiences an average low-temperature reading of 53.1°F (11.7°C) throughout May.Humidity
In May, the average relative humidity in Phoenixville is 78%.Rainfall
In Phoenixville, during May, the rain falls for 15.3 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 132.3 rainfall days, and 13.98" (355mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 25min.On the first day of May, sunrise is at 6:00 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:24 pm EDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 6 in May translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Phoenixville, PA
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in May
Phoenixville, 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
Phoenixville, PA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Phoenixville, PA
- Average humidity in May: 78%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in May
Phoenixville, PA
- Average rainfall in May: 1.5"
The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in May
Phoenixville, PA
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in May
Phoenixville, PA
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Phoenixville, PA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Phoenixville, PA
- Average daylight in May: 14h and 24min
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 18min
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
Phoenixville, PA
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in May
Phoenixville, 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
Phoenixville, PA
- Average cloud cover in May: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Phoenixville, 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).
