Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's arrival sees a rise in the average high-temperature, jumping from April's moderate 59.5°F (15.3°C) to a pleasant 70.9°F (21.6°C). Hannastown reports an average low-temperature of 50°F (10°C) during the nights of May.Humidity
In May, the average relative humidity is 79%.Rainfall
May is the month with the most rainfall in Hannastown, Pennsylvania. 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, in Hannastown, sunrise is at 5:50 am and sunset at 8:41 pm EDT.
Sunshine
In Hannastown, the average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Adopt protective measures - It is advised to guard against sun damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the temperature in May in Hannastown?
What is the average humidity in May in Hannastown?
What is the wettest month in Hannastown?
How many days does it rain in May in Hannastown?
What is the last month it snows in Hannastown?
What is the average length of the day in May in Hannastown?
What time are sunrise and sunset in May in Hannastown?
How many hours of sunshine does Hannastown have in May?
How high is the UV index in May in Hannastown?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Hannastown, Pennsylvania, USA
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