May weather forecast
New Germantown, PA

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Weather in May

The last month of the spring, May, is an agreeable month in New Germantown, Pennsylvania, with an average temperature ranging between max 70.7°F (21.5°C) and min 51.4°F (10.8°C).

Temperature

May's onset is marked by a temperature increase, moving from a mild 60.3°F (15.7°C) in April to an agreeable 70.7°F (21.5°C). During May, New Germantown's temperature averages to a cool 51.4°F (10.8°C) at night.

Humidity

February, May and October, with an average relative humidity of 80%, are the most humid months.

Rainfall

May is the month with the most rainfall. Rain falls for 17.9 days and accumulates 3.11" (79mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, New Germantown aggregates 0.16" (4mm) of snow. In New Germantown, during the entire year, snow falls for 29.2 days and aggregates up to 15.31" (389mm) of snow.

Daylight

The average length of the day in May is 14h and 26min.
On the first day of the month, sunrise is at 6:08 am and sunset at 8:06 pm. On the last day of May, sunrise is at 5:42 am and sunset at 8:33 pm EDT.

Sunshine

The average sunshine in May is 8.4h.

UV index

May through July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 6 during May morphs into the following directions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Frequently asked questions

What are the temperatures in May?

The average high-temperature and low-temperature during May are 70.7°F (21.5°C) and 51.4°F (10.8°C) respectively.

What are the most humid months?

The months with the highest humidity are February, May and October, with an average relative humidity of 80%.

What is the average humidity in May?

In New Germantown, the average relative humidity in May is 80%.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 17.9 days and accumulates 3.11" (79mm) of precipitation.

How much does it rain in May?

In May, the rain falls for 17.9 days. Throughout May, 3.11" (79mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, New Germantown aggregates 0.16" (4mm) of snow.

How many hours of daylight does New Germantown have in May?

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

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:08 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:33 pm EDT.

How many hours of sunshine does New Germantown have in May?

In New Germantown, the average sunshine duration in May is 8.4h.

When is the highest UV index in New Germantown?

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

What is the UV index reading in May in New Germantown?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents 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
New Germantown, PA

Average temperature in May - New Germantown, PA
  • Average high temperature in May: 70.7°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.7°F).

  • Average low temperature in May: 51.4°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in May
New Germantown, PA

Average pressure in May - New Germantown, PA
  • Average pressure in May: 30.01"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
New Germantown, PA

Average wind speed in May - New Germantown, PA
  • Average wind speed in May: 6.1mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in May
New Germantown, PA

Average humidity in May - New Germantown, PA
  • Average humidity in May: 80%

The months with the highest relative humidity are February, May and October (80%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in May
New Germantown, PA

Average rainfall in May - New Germantown, PA
  • Average rainfall in May: 3.11"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in May
New Germantown, PA

Average rainfall days in May - New Germantown, PA
  • Average rainfall days in May: 17.9 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in May
New Germantown, PA

Average snowfall in May - New Germantown, PA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
New Germantown, PA

Average snowfall days in May - New Germantown, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
New Germantown, PA

Average daylight in May / Average sunshine in May - New Germantown, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in May
New Germantown, PA

Average sunshine days in May - New Germantown, PA
  • Average sunshine days in May: 11 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (11 days).

Average UV index in May
New Germantown, PA

Average UV index in May - New Germantown, PA
  • Average UV index in May: 6

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in May
New Germantown, PA

Average cloud cover in May - New Germantown, PA
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May
New Germantown, PA

Average visibility in May - New Germantown, PA
  • Average visibility in May: 5mi

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

New Germantown, Pennsylvania, USA

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