May weather forecastYoungstown, PA

May

Weather in May

The last month of the spring, May, is an agreeable month in Youngstown, Pennsylvania, with an average temperature varying between 70.2°F (21.2°C) and 49.6°F (9.8°C).

Temperature

The commencement of May sees a shift in the average high-temperature, moving from a moderate 59°F (15°C) in April to a pleasant 70.2°F (21.2°C). May nights observe an average temperature dip to a chilly 49.6°F (9.8°C).

Humidity

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

Rainfall

May is the month with the most rainfall. Rain falls for 20.4 days and accumulates 3.03" (77mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In May, the average length of the day is 14h and 26min.
On the first day of the month, sunrise is at 6:15 am and sunset at 8:13 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:40 pm EDT.

Sunshine

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

UV index

In Youngstown, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

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

Frequently asked questions

May temperatures in Youngstown vary between a high-temperature of 70.2°F (21.2°C) and a low-temperature of 49.6°F (9.8°C).

The average relative humidity in May is 79%.

May is the month with the most rainfall. Rain falls for 20.4 days and accumulates 3.03" (77mm) of precipitation.

In Youngstown, in May, it is raining for 20.4 days, with typically 3.03" (77mm) of accumulated precipitation.

In Youngstown, snow does not fall in May through September.

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

In Youngstown, the average day length in May is 14h and 26min.

On the first day of May, sunrise is at 6:15 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:40 pm EDT.

The average sunshine duration in May is 8.8h.

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

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

Apr

May

Jun

Average high temperature

59°F

70.2°F

76.6°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.8mph

7.1mph

6.5mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

17.8

20.4

Average snowfall

0.59"

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

8.8

11.2

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Youngstown, PA

Average high temperature in May: 70.2°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 (32.5°F).

Average low temperature in May: 49.6°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in May
Youngstown, 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
Youngstown, PA

Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in May
Youngstown, PA

Average humidity in May: 79%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June, July and August (78%).

Average rainfall in May
Youngstown, PA

Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is November (1.38").

Average rainfall days in May
Youngstown, PA

Average rainfall days in May: 20.4 days

The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is January (9.5 days).

Average snowfall in May
Youngstown, PA

Average snowfall in May: 0"

The month with the highest snowfall is January (4.96").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Youngstown, PA

Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Youngstown, 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 48min

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 0min).