May weather forecastWebster, PA

May

Weather in May

The last month of the spring, May, is a pleasant month in Webster, Pennsylvania, with an average temperature varying between 72.1°F (22.3°C) and 51.6°F (10.9°C).

Temperature

May's onset is marked by a temperature increase, moving from a refreshing 60.6°F (15.9°C) in April to a pleasant 72.1°F (22.3°C). Throughout May nights, Webster registers an average low-temperature of 51.6°F (10.9°C).

Humidity

The average relative humidity in May is 78%.

Rainfall

May is the month with the most rainfall. Rain falls for 21.8 days and accumulates 3.78" (96mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Webster aggregates 0.12" (3mm) of snow. Throughout the year, in Webster, Pennsylvania, there are 60.2 snowfall days, and 25.08" (637mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 25min.
On the first day of the month, sunrise is at 6:17 am and sunset at 8:14 pm. On the last day of May, sunrise is at 5:52 am and sunset at 8:42 pm EDT.

Sunshine

In May, the average sunshine is 8.9h.

UV index

The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In May, the maximum UV index of 6 transforms into these recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During May, Webster experiences an average high-temperature of 72.1°F (22.3°C) and a low-temperature of 51.6°F (10.9°C).

The average relative humidity in May is 78%.

The month with the most rainfall is May, when the rain falls for 21.8 days and typically aggregates up to 3.78" (96mm) of precipitation.

In Webster, in May, during 21.8 rainfall days, 3.78" (96mm) of precipitation is typically accumulated.

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

In May, the average day length in Webster is 14h and 25min.

On the first day of May, sunrise is at 6:17 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:42 pm EDT.

In Webster, Pennsylvania, the average sunshine duration in May is 8.9h.

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

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

60.6°F

72.1°F

78.6°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8mph

6.6mph

6.1mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

10.2

8.2

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Webster, PA

Average high temperature in May: 72.1°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).

Average low temperature in May: 51.6°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in May
Webster, 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
Webster, PA

Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in May
Webster, PA

Average humidity in May: 78%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (76%).

Average rainfall in May
Webster, PA

Average rainfall in May: 3.78"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.13").

Average rainfall days in May
Webster, PA

Average rainfall days in May: 21.8 days

The month with the highest number of rainy days is May (21.8 days).
The months with the least rainy days are January and February (11.7 days).

Average snowfall in May
Webster, PA

Average snowfall in May: 0.12"

The month with the highest snowfall is January (6.26").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Webster, PA

Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May: 14h and 24min

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 54min

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).