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 May sets, the average high-temperature shows an increase, moving up from a comfortable 61.2°F (16.2°C) in April to an agreeable 71.8°F (22.1°C). An average nighttime temperature of 54.3°F (12.4°C) is noted during the month of May.Humidity
In Havertown, the average relative humidity in May is 75%.Rainfall
In Havertown, in May, during 12.6 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, there are 111.8 rainfall days, and 9.69" (246mm) of precipitation is accumulated.Snowfall
In Havertown, snow does not fall in April through October.Daylight
The average length of the day in May is 14h and 24min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:23 pm EDT.
Sunshine
The average sunshine in May in Havertown is 8.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 6 during May leads to these instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Havertown in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
How many hours of daylight does Havertown have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Havertown have in May?
What are the months with the highest UV index?
How high is the UV index in May?
Average temperature in May
Havertown, PA
- Average high temperature in May: 71.8°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in May
Havertown, 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
Havertown, PA
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Havertown, PA
- Average humidity in May: 75%
The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (71%).
Average rainfall in May
Havertown, PA
- Average rainfall in May: 0.91"
The wettest months (with the highest rainfall) are July and August (1.14").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in May
Havertown, PA
- Average rainfall days in May: 12.6 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in May
Havertown, PA
- Average snowfall in May: 0"
The months with the highest snowfall are February and March (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Havertown, PA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Havertown, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Havertown, PA
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.9 days).
Average UV index in May
Havertown, 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
Havertown, 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
Havertown, 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).
Havertown, Pennsylvania, USA
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