May weather forecast
Otto, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Otto, Pennsylvania, with an average temperature varying between 51.4°F (10.8°C) and 72.1°F (22.3°C).

Temperature

The rise of average high-temperatures is seen in May, with an increase from a mild 60.4°F (15.8°C) in April to an agreeable 72.1°F (22.3°C). An average low-temperature of 51.4°F (10.8°C) is noted during the month of May.

Humidity

In May, the average relative humidity is 77%.

Rainfall

The month with the most rainfall is May, when the rain falls for 15 days and typically aggregates up to 1.26" (32mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Otto aggregates 0.04" (1mm) of snow. In Otto, Pennsylvania, during the entire year, snow falls for 50 days and aggregates up to 6.69" (170mm) of snow.

Daylight

In May, the average length of the day is 14h and 26min.
On the first day of the month, sunrise is at 6:17 am and sunset at 8:15 pm. On the last day of May, in Otto, sunrise is at 5:51 am and sunset at 8:42 pm EDT.

Sunshine

The average sunshine in May is 8.9h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 6 transforms into these recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

May temperatures vary between a high-temperature of 72.1°F (22.3°C) and a low-temperature of 51.4°F (10.8°C).

What is the average humidity in May?

The average relative humidity in May is 77%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 15 days and typically aggregates up to 1.26" (32mm) of precipitation.

How many days does it rain in May in Otto?

In Otto, in May, during 15 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Otto aggregates 0.04" (1mm) of snow.

How many hours of daylight does Otto have in May?

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

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:17 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:42 pm EDT.

How long on average sun shines in May in Otto?

The average sunshine duration in May is 8.9h.

When is the highest UV index in Otto?

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

How high is the UV index in May?

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Otto, PA

Average temperature in May - Otto, PA
  • Average high temperature in May: 72.1°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in May: 51.4°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in May
Otto, PA

Average pressure in May - Otto, 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).

Average wind speed in May
Otto, PA

Average wind speed in May - Otto, PA
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in May
Otto, PA

Average humidity in May - Otto, PA
  • Average humidity in May: 77%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (74%).

Average rainfall in May
Otto, PA

Average rainfall in May - Otto, PA
  • Average rainfall in May: 1.26"

The wettest month (with the highest rainfall) is May (1.26").
The driest months (with the least rainfall) are September and November (0.55").

Average rainfall days in May
Otto, PA

Average rainfall days in May - Otto, PA
  • Average rainfall days in May: 15 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in May
Otto, PA

Average snowfall in May - Otto, PA
  • Average snowfall in May: 0.04"

The months with the highest snowfall are January and February (1.65").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Otto, PA

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

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Otto, PA
  • Average daylight in May: 14h and 2min

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 5min

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).

Average sunshine days in May
Otto, PA

Average sunshine days in May - Otto, PA
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in May
Otto, PA

Average UV index in May - Otto, PA
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Otto, PA

Average cloud cover in May - Otto, PA
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
Otto, PA

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

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

Otto, Pennsylvania, USA

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