May weather forecast
Haafsville, PA

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Weather in May

May, the last month of the spring in Haafsville, is an agreeable month, with an average temperature varying between 69.8°F (21°C) and 50.7°F (10.4°C).

Temperature

Haafsville's May weather brings a rise in high-temperatures, moving from a moderate 59°F (15°C) in April to a pleasant 69.8°F (21°C). The mean low-temperature during May nights is a cool 50.7°F (10.4°C).

Humidity

The average relative humidity in May in Haafsville is 79%.

Rainfall

In May, in Haafsville, the rain falls for 17.3 days. Throughout May, 2.91" (74mm) of precipitation is accumulated. Throughout the year, in Haafsville, there are 155.8 rainfall days, and 30.75" (781mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Haafsville, Pennsylvania, are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Haafsville aggregates 0.12" (3mm) of snow. Throughout the year, there are 29.4 snowfall days, and 15.87" (403mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 28min.
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, sunrise is at 5:34 am and sunset at 8:26 pm EDT.

Sunshine

In May, the average sunshine is 8.2h.

UV index

In Haafsville, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 5 during May translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Haafsville in May?

The average high-temperature, in May, in Haafsville, is 69.8°F (21°C), while the average low-temperature is 50.7°F (10.4°C).

What is the average humidity in May?

In Haafsville, the average relative humidity in May is 79%.

How many days does it rain in May?

In May, the rain falls for 17.3 days. Throughout May, 2.91" (74mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Haafsville aggregates 0.12" (3mm) of snow.

How many hours of daylight does Haafsville have in May?

In Haafsville, the average day length in May is 14h and 28min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:00 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:26 pm EDT.

How long on average sun shines in May?

In Haafsville, the average sunshine duration in May is 8.2h.

What is the UV index intensity in May?

In Haafsville, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Haafsville, PA

Average temperature in May - Haafsville, PA
  • Average high temperature in May: 69.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in May: 50.7°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in May
Haafsville, PA

Average pressure in May - Haafsville, 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
Haafsville, PA

Average wind speed in May - Haafsville, PA
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in May
Haafsville, PA

Average humidity in May - Haafsville, PA
  • Average humidity in May: 79%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in May
Haafsville, PA

Average rainfall in May - Haafsville, PA
  • Average rainfall in May: 2.91"

The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in May
Haafsville, PA

Average rainfall days in May - Haafsville, PA
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in May
Haafsville, PA

Average snowfall in May - Haafsville, PA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is March (4.29").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Haafsville, PA

Average snowfall days in May - Haafsville, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Haafsville, PA

Average daylight in May / Average sunshine in May - Haafsville, PA
  • Average daylight in May: 14h and 3min

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 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in May
Haafsville, PA

Average sunshine days in May - Haafsville, PA
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (11.2 days).

Average UV index in May
Haafsville, PA

Average UV index in May - Haafsville, PA
  • Average UV index in May: 5

The months with the highest UV index are June and July (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
Haafsville, PA

Average cloud cover in May - Haafsville, PA
  • Average cloud cover in May: 48

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in May
Haafsville, PA

Average visibility in May - Haafsville, PA
  • Average visibility in May: 5mi

The months with the highest visibility are April, June, July and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October and December (5mi).

Haafsville, Pennsylvania, USA

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