May weather forecast
Haverford, PA

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Weather in May

May, the last month of the spring in Haverford, is a pleasant month, with an average temperature ranging between max 71.8°F (22.1°C) and min 54.3°F (12.4°C).

Temperature

May's arrival sees a rise in the average high-temperature, jumping from April's enjoyable 61.2°F (16.2°C) to a pleasant 71.8°F (22.1°C). In the month of May, the temperature in Haverford, Pennsylvania, generally rests at an average low of 54.3°F (12.4°C).

Humidity

In Haverford, Pennsylvania, the average relative humidity in May is 75%.

Rainfall

In Haverford, during May, the rain falls for 12.6 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, there are 111.8 rainfall days, and 9.69" (246mm) 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 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

In Haverford, the average sunshine in May is 8.4h.

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 vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 in May transforms into the following instructions:
Fend off overexposure. Sun protection is vital. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

What are the temperatures in May?

An average high-temperature, in May, in Haverford, is 71.8°F (22.1°C) and the average low-temperature is 54.3°F (12.4°C).

What is the average humidity in May?

In Haverford, the average relative humidity in May is 75%.

How many days does it rain in May in Haverford?

In May, the rain falls for 12.6 days. Throughout May, 0.91" (23mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in May?

The average day length in May is 14h and 25min.

When are sunrise and sunset in May?

On the first day of May in Haverford, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:23 pm EDT.

How long on average sun shines in May?

In Haverford, the average sunshine duration in May is 8.4h.

What are the months with the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in May in Haverford?

In Haverford, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Haverford, PA

Average temperature in May - Haverford, 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
Haverford, PA

Average pressure in May - Haverford, 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
Haverford, PA

Average wind speed in May - Haverford, 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
Haverford, PA

Average humidity in May - Haverford, 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
Haverford, PA

Average rainfall in May - Haverford, 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
Haverford, PA

Average rainfall days in May - Haverford, 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
Haverford, PA

Average snowfall in May - Haverford, 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
Haverford, PA

Average snowfall days in May - Haverford, 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
Haverford, PA

Average daylight in May / Average sunshine in May - Haverford, 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
Haverford, PA

Average sunshine days in May - Haverford, 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
Haverford, PA

Average UV index in May - Haverford, 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
Haverford, PA

Average cloud cover in May - Haverford, 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
Haverford, PA

Average visibility in May - Haverford, 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).

Haverford, Pennsylvania, USA

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