May weather forecast
Hannastown, PA

Share

Weather in May

The last month of the spring, May, is an agreeable month in Hannastown, Pennsylvania, with an average temperature ranging between min 50°F (10°C) and max 70.9°F (21.6°C).

Temperature

Hannastown in May shows a temperature shift, moving from an average high of a mild 59.5°F (15.3°C) in April to a pleasant 70.9°F (21.6°C). In Hannastown, May nights cool down to an average of 50°F (10°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

May is the month with the most rainfall. Rain falls for 20.9 days and accumulates 3.74" (95mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Hannastown aggregates 0.12" (3mm) of snow. In Hannastown, during the entire year, snow falls for 63.3 days and aggregates up to 27.44" (697mm) of snow.

Daylight

In Hannastown, the average length of the day in May is 14h and 26min.
On the first day of the month, sunrise is at 6:16 am and sunset at 8:13 pm. On the last day of May, sunrise is at 5:50 am and sunset at 8:41 pm EDT.

Sunshine

In May, the average sunshine is 8.8h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 5 translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What are the temperatures in May?

An average high-temperature, in May, in Hannastown, is 70.9°F (21.6°C) and the average low-temperature is 50°F (10°C).

What is the average humidity in May?

The average relative humidity in May is 79%.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 20.9 days and typically aggregates up to 3.74" (95mm) of precipitation.

How much does it rain in May?

In Hannastown, Pennsylvania, in May, it is raining for 20.9 days, with typically 3.74" (95mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows in Hannastown. During 0.3 snowfall days, in May, Hannastown aggregates 0.12" (3mm) of snow.

How many hours of daylight does Hannastown have in May?

In Hannastown, 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 6:16 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:41 pm EDT.

How many hours of sunshine does Hannastown have in May?

The average sunshine duration in May is 8.8h.

What is the UV index reading in May?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Hannastown, PA

Average temperature in May - Hannastown, 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 (32.9°F).

  • Average low temperature in May: 50°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in May
Hannastown, PA

Average pressure in May - Hannastown, 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
Hannastown, PA

Average wind speed in May - Hannastown, PA
  • Average wind speed in May: 6.4mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in May
Hannastown, PA

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

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in May
Hannastown, PA

Average rainfall in May - Hannastown, PA
  • Average rainfall in May: 3.74"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.01").

Average rainfall days in May
Hannastown, PA

Average rainfall days in May - Hannastown, PA
  • Average rainfall days in May: 20.9 days

The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in May
Hannastown, PA

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

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

Average snowfall days in May
Hannastown, PA

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

The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Hannastown, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in May
Hannastown, PA

Average sunshine days in May - Hannastown, PA
  • Average sunshine days in May: 7.9 days

The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.4 days).

Average UV index in May
Hannastown, PA

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

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

Average cloud cover in May
Hannastown, PA

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

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in May
Hannastown, PA

Average visibility in May - Hannastown, 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).

Hannastown, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location