May weather forecast
Kittanning, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Kittanning, Pennsylvania, with an average temperature varying between 70.9°F (21.6°C) and 49.6°F (9.8°C).

Temperature

A rise in the average high-temperature is observed during May, moving from a mild 58.6°F (14.8°C) in April to an agreeable 70.9°F (21.6°C). May in Kittanning is noted for a mean low-temperature of 49.6°F (9.8°C).

Humidity

The average relative humidity in May in Kittanning is 78%.

Rainfall

May is the month with the most rainfall in Kittanning. Rain falls for 20.3 days and accumulates 3.7" (94mm) of precipitation.

Snowfall

Months with snowfall in Kittanning, Pennsylvania, are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Kittanning aggregates 0.2" (5mm) of snow. Throughout the year, in Kittanning, Pennsylvania, there are 64.2 snowfall days, and 24.25" (616mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 29min.
On the first day of the month, sunrise is at 6:15 am and sunset at 8:14 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:43 pm EDT.

Sunshine

The average sunshine in May is 8.7h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 5 in May translates into the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

What is the average May temperature in Kittanning?

Kittanning in May has an average high-temperature of 70.9°F (21.6°C) and an average low-temperature of 49.6°F (9.8°C).

What is the average humidity in May in Kittanning?

In May, the average relative humidity in Kittanning, Pennsylvania, is 78%.

What is the rainiest month in Kittanning?

May is the month with the most rainfall in Kittanning, Pennsylvania. Rain falls for 20.3 days and accumulates 3.7" (94mm) of precipitation.

How much does it rain in Kittanning in May?

In Kittanning, Pennsylvania, in May, during 20.3 rainfall days, 3.7" (94mm) of precipitation is typically accumulated.

What is the last month it snows in Kittanning?

May is the last month it regularly snows in Kittanning. During 0.3 snowfall days, in May, Kittanning aggregates 0.2" (5mm) of snow.

What is the average length of the day in May in Kittanning?

The average day length in May in Kittanning is 14h and 29min.

What time are sunrise and sunset in May in Kittanning?

In May, on the first day of the month, sunrise is at 6:15 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:43 pm EDT.

How many hours of sunshine does Kittanning have in May?

In May, the average sunshine duration in Kittanning, Pennsylvania, is 8.7h.

How high is the UV index in May in Kittanning?

In Kittanning, Pennsylvania, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate 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
Kittanning, PA

Average temperature in May - Kittanning, PA
  • Average high temperature in May: 70.9°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.4°F).

  • Average low temperature in May: 49.6°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in May
Kittanning, PA

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in May
Kittanning, PA

Average wind speed in May - Kittanning, PA
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in May
Kittanning, PA

Average humidity in May - Kittanning, PA
  • Average humidity in May: 78%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, July and August (77%).

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Average rainfall in May
Kittanning, PA

Average rainfall in May - Kittanning, PA
  • Average rainfall in May: 3.7"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is November (2.17").

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Average rainfall days in May
Kittanning, PA

Average rainfall days in May - Kittanning, PA
  • Average rainfall days in May: 20.3 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (9.7 days).

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Average snowfall in May
Kittanning, PA

Average snowfall in May - Kittanning, PA
  • Average snowfall in May: 0.2"

The month with the highest snowfall is January (6.65").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Kittanning, PA

Average snowfall days in May - Kittanning, PA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Kittanning, PA
  • Average daylight in May: 14h and 3min

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 18min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

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Average sunshine days in May
Kittanning, PA

Average sunshine days in May - Kittanning, PA
  • Average sunshine days in May: 9 days

The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (7 days).

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Average UV index in May
Kittanning, PA

Average UV index in May - Kittanning, 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 and December (UV index 1).

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Average cloud cover in May
Kittanning, PA

Average cloud cover in May - Kittanning, PA
  • Average cloud cover in May: 45

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in May
Kittanning, PA

Average visibility in May - Kittanning, 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).

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Kittanning, Pennsylvania, USA

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