May weather forecastTrout Run, PA

May

Weather in May

May, the last month of the spring in Trout Run, is an agreeable month, with an average temperature varying between 48°F (8.9°C) and 68.4°F (20.2°C).

Temperature

As May begins, there is an increase in the average high-temperature, moving from a moderate 56.5°F (13.6°C) in April to an agreeable 68.4°F (20.2°C). Nighttime temperature lowers to an average of 48°F (8.9°C) in May.

Humidity

In May, the average relative humidity is 79%.

Rainfall

In May, the rain falls for 16.6 days. Throughout May, 1.85" (47mm) of precipitation is accumulated. In Trout Run, during the entire year, the rain falls for 145.2 days and collects up to 16.57" (421mm) of precipitation.

Snowfall

In Trout Run, snow does not fall in May through September.

Daylight

In May, the average length of the day is 14h and 32min.
On the first day of May, sunrise is at 6:04 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:34 pm EDT.

Sunshine

In May, the average sunshine is 8.3h.

UV index

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In May, a regular UV index of 5 translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.

Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

May temperatures vary between a high-temperature of 68.4°F (20.2°C) and a low-temperature of 48°F (8.9°C).

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

In Trout Run, in May, during 16.6 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

In Trout Run, snow does not fall in May through September.

In May, it doesn't snow. April is the latest month when it typically snows.

In May, the average day length is 14h and 32min.

On the first day of May, sunrise is at 6:04 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:34 pm EDT.

In May, the average sunshine duration is 8.3h.

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe 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

56.5°F

68.4°F

76.1°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.3mph

6.8mph

6.4mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

16.6

14.7

Average snowfall

0.16"

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.9

11.8

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Trout Run, PA

Average high temperature in May: 68.4°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).

Average low temperature in May: 48°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in May
Trout Run, PA

Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Trout Run, PA

Average wind speed in May: 6.2mph

The windiest months (with the highest average wind speed) are January, March and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in May
Trout Run, PA

Average humidity in May: 79%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (77%).

Average rainfall in May
Trout Run, PA

Average rainfall in May: 1.85"

The wettest month (with the highest rainfall) is April (1.93").
The driest month (with the least rainfall) is November (0.94").

Average rainfall days in May
Trout Run, PA

Average rainfall days in May: 16.6 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (7.5 days).

Average snowfall in May
Trout Run, PA

Average snowfall in May: 0"

The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Trout Run, PA

Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Trout Run, PA

Average daylight in May: 14h and 30min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

Average sunshine in May: 8h and 18min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).

Average sunshine days in May
Trout Run, PA

Average sunshine days in May: 11.8 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in May
Trout Run, PA

Average UV index in May: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).