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
In Heidelberg, stepping into May brings a temperature increase, moving up from April's mild 60.6°F (15.9°C) to an agreeable 72.3°F (22.4°C). In May, the average low-temperature records at a fresh 51.3°F (10.7°C) during the nights.Humidity
In Heidelberg, the average relative humidity in May is 77%.Rainfall
In Heidelberg, during May, the rain falls for 15.5 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Heidelberg, during the entire year, the rain falls for 132.6 days and collects up to 11.5" (292mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May in Heidelberg is 14h and 26min.On the first day of the month, sunrise is at 6:18 am and sunset at 8:16 pm. On the last day of May, in Heidelberg, sunrise is at 5:52 am and sunset at 8:43 pm EDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the usual temperature for Heidelberg in May?
What is the average humidity in May in Heidelberg?
How many days does it rain in May in Heidelberg?
When it does not snow in Heidelberg?
Does it snow in Heidelberg in May?
How many hours of daylight does Heidelberg have in May?
When is the sunrise / sunset in May in Heidelberg?
How many hours of sunshine does Heidelberg have in May?
What is the UV index intensity in May in Heidelberg?
Average temperature in May
Heidelberg, PA
- Average high temperature in May: 72.3°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in May: 51.3°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in May
Heidelberg, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Heidelberg, PA
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in May
Heidelberg, PA
- Average humidity in May: 77%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in May
Heidelberg, PA
- Average rainfall in May: 1.22"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days in May
Heidelberg, PA
- Average rainfall days in May: 15.5 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in May
Heidelberg, PA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Heidelberg, PA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Heidelberg, 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 18min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Heidelberg, PA
- Average sunshine days in May: 12.2 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in May
Heidelberg, PA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Heidelberg, PA
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Heidelberg, PA
- Average visibility in May: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Heidelberg, Pennsylvania, USA
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