May weather forecast and climate
Montoursville, PA

Weather in May

The last month of the spring, May, is a pleasant month in Montoursville, Pennsylvania, with average temperature varying between 48°F (8.9°C) and 68.4°F (20.2°C).

Temperature

In Montoursville, the average high-temperature increases, from a moderate 56.5°F (13.6°C) in April, to a pleasant 68.4°F (20.2°C). In Montoursville, the average low-temperature is 48°F (8.9°C).

Humidity

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

Rainfall

In May, the rain falls for 19.3 days. Throughout May, 3.31" (84mm) of precipitation is accumulated. Throughout the year, in Montoursville, Pennsylvania, there are 170.2 rainfall days, and 32.2" (818mm) of precipitation is accumulated.

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, Montoursville aggregates 0.12" (3mm) of snow. In Montoursville, during the entire year, snow falls for 41.9 days, and aggregates up to 19.76" (502mm) of snow.

Daylight

In May, the average length of the day is 14.5h.

Sunshine

In May, the average sunshine in Montoursville is 8.2h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 5 in May transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in May in Montoursville?

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

How much does it rain in Montoursville in May?

In Montoursville, in May, it is raining for 19.3 days, with typically 3.31" (84mm) of accumulated precipitation.

What is the last month it snows in Montoursville?

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

How many hours of daylight does Montoursville have in May?

In Montoursville, the average length of the day in May is 14.5h.

How long on average sun shines in May in Montoursville?

In May, the average sunshine in Montoursville is 8.2h.

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

Months with the highest UV index in Montoursville, Pennsylvania, are May through August, with an average maximum UV index of 5.

What is the UV index reading in May in Montoursville?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in May
Montoursville, PA

Average temperature in May - Montoursville, 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 (30.7°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 (19°F).

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Average pressure in May
Montoursville, PA

Average pressure in May - Montoursville, PA
  • Average pressure in May: 30.01"

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

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Average wind speed in May
Montoursville, PA

Average wind speed in May - Montoursville, PA
  • Average wind speed in May: 6.2mph

The windiest months (with the highest average wind speed) are January, March and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in May
Montoursville, PA

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

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

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Average rainfall in May
Montoursville, PA

Average rainfall in May - Montoursville, PA
  • Average rainfall in May: 3.31"

The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is November (1.93").

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Average rainfall days in May
Montoursville, PA

Average rainfall days in May - Montoursville, PA
  • Average rainfall days in May: 19.3 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (8.8 days).

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Average snowfall in May
Montoursville, PA

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

The month with the highest snowfall is February (6.18").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Montoursville, PA

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

The month with the highest number of snowfall days is January (11.8 days).
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
Montoursville, PA

Average daylight in May / Average sunshine in May - Montoursville, PA
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 8.2h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 3.7h).

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Average sunshine days in May
Montoursville, PA

Average sunshine days in May - Montoursville, PA
  • Average sunshine days in May: 10.2 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in May
Montoursville, PA

Average UV index in May - Montoursville, PA
  • Average UV index in May: 5

Months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Montoursville, PA

Average cloud cover in May - Montoursville, PA
  • Average cloud cover in May: 49

Months with the most cloud cover are January, February and December (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 36).

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Average visibility in May
Montoursville, PA

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

The month with the highest visibility is April (6mi).
Months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

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