May weather forecast
Holbrook, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Holbrook, Pennsylvania, with an average temperature fluctuating between 72.5°F (22.5°C) and 51.4°F (10.8°C).

Temperature

As Holbrook transitions into May, the average high-temperature is observed to rise from a comfortable 61.5°F (16.4°C) in April to a pleasant 72.5°F (22.5°C). During May nights, Holbrook records an average temperature of 51.4°F (10.8°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

May is the month with the most rainfall in Holbrook. Rain falls for 20.7 days and accumulates 3.39" (86mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Holbrook aggregates 0.12" (3mm) of snow. Throughout the year, there are 56.4 snowfall days, and 20.35" (517mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 23min.
On the first day of the month, sunrise is at 6:20 am and sunset at 8:16 pm. On the last day of May, sunrise is at 5:54 am and sunset at 8:43 pm EDT.

Sunshine

In Holbrook, the average sunshine in May is 8.8h.

UV index

May through July, 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 exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in May transforms into the following instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

May temperatures vary between a high-temperature of 72.5°F (22.5°C) and a low-temperature of 51.4°F (10.8°C).

What is the average humidity in May?

The average relative humidity in May is 79%.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 20.7 days and accumulates 3.39" (86mm) of precipitation.

How much does it rain in May?

In May, in Holbrook, the rain falls for 20.7 days. Throughout May, 3.39" (86mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Holbrook aggregates 0.12" (3mm) of snow.

What is the average length of the day in May?

The average day length in May in Holbrook is 14h and 23min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:20 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:43 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration in Holbrook is 8.8h.

What is the month with the highest UV index in Holbrook?

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

What is the UV index intensity in May?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Holbrook, PA

Average temperature in May - Holbrook, PA
  • Average high temperature in May: 72.5°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in May: 51.4°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in May
Holbrook, PA

Average pressure in May - Holbrook, PA
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in May
Holbrook, PA

Average wind speed in May - Holbrook, PA
  • Average wind speed in May: 5.8mph

The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity in May
Holbrook, PA

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

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in May
Holbrook, PA

Average rainfall in May - Holbrook, PA
  • Average rainfall in May: 3.39"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is November (1.77").

Average rainfall days in May
Holbrook, PA

Average rainfall days in May - Holbrook, PA
  • Average rainfall days in May: 20.7 days

The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is February (10.6 days).

Average snowfall in May
Holbrook, PA

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

The month with the highest snowfall is February (5.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Holbrook, PA

Average snowfall days in May - Holbrook, PA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Holbrook, 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 5min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in May
Holbrook, PA

Average sunshine days in May - Holbrook, PA
  • Average sunshine days in May: 8.5 days

The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is February (7.5 days).

Average UV index in May
Holbrook, PA

Average UV index in May - Holbrook, PA
  • Average UV index in May: 6

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Holbrook, PA

Average cloud cover in May - Holbrook, PA
  • Average cloud cover in May: 46

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in May
Holbrook, PA

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

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

Holbrook, Pennsylvania, USA

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