May weather forecast and climate
Waterville, PA

Weather in May

The last month of the spring, May, is an agreeable month in Waterville, Pennsylvania, with average temperature ranging between max 68.4°F (20.2°C) and min 47.7°F (8.7°C).

Temperature

In Waterville, the average high-temperature rises, from a moderate 56.3°F (13.5°C) in April, to an agreeable 68.4°F (20.2°C). In Waterville, the average low-temperature is 47.7°F (8.7°C).

Humidity

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

Rainfall

In Waterville, Pennsylvania, during May, the rain falls for 19 days and regularly aggregates up to 3.39" (86mm) of precipitation. In Waterville, Pennsylvania, during the entire year, the rain falls for 181 days and collects up to 33.07" (840mm) 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, Waterville aggregates 0.31" (8mm) of snow. Throughout the year, in Waterville, there are 55.8 snowfall days, and 25.63" (651mm) of snow is accumulated.

Daylight

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

Sunshine

In May, the average sunshine is 8.3h.

UV index

The average daily maximum UV index in Waterville, Pennsylvania, is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the average humidity in May in Waterville?

The average relative humidity in May is 79%.

How much does it rain in Waterville in May?

In May, in Waterville, the rain falls for 19 days. Throughout May, 3.39" (86mm) of precipitation is accumulated.

What is the last month it snows in Waterville?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Waterville aggregates 0.31" (8mm) of snow.

How many hours of daylight does Waterville have in May?

The average length of the day in May is 14.5h.

How long on average sun shines in May in Waterville?

In Waterville, the average sunshine in May is 8.3h.

What is the UV index reading in May in Waterville?

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

Average temperature in May
Waterville, PA

Average temperature in May - Waterville, PA
  • Average high temperature in May: 68.4°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in May: 47.7°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

[Resources]

Average pressure in May
Waterville, PA

Average pressure in May - Waterville, 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").

[Resources]

Average wind speed in May
Waterville, PA

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

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

[Resources]

Average humidity in May
Waterville, PA

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

Months with the highest relative humidity are February and December (84%).
Months with the lowest relative humidity are April and July (77%).

[Resources]

Average rainfall in May
Waterville, PA

Average rainfall in May - Waterville, PA
  • Average rainfall in May: 3.39"

The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is November (2.17").

[Resources]

Average rainfall days in May
Waterville, PA

Average rainfall days in May - Waterville, PA
  • Average rainfall days in May: 19 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (10.8 days).

[Resources]

Average snowfall in May
Waterville, PA

Average snowfall in May - Waterville, PA
  • Average snowfall in May: 0.31"

The month with the highest snowfall is February (7.05").
Months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in May
Waterville, PA

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

The month with the highest number of snowfall days is January (15.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in May / Average sunshine in May - Waterville, 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: 9.2h).

  • Average sunshine in May: 8.3h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 3.6h).

[Resources]

Average sunshine days in May
Waterville, PA

Average sunshine days in May - Waterville, PA
  • Average sunshine days in May: 9.5 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (8.5 days).

[Resources]

Average UV index in May
Waterville, PA

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

[Resources]

Average cloud cover in May
Waterville, PA

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

Months with the most cloud cover are January, February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).

[Resources]

Average visibility in May
Waterville, PA

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

Months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location