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 onset is marked by a temperature increase, moving from a moderate 57°F (13.9°C) in April to a pleasant 68.2°F (20.1°C). Armagh temperatures generally rest at a low of 48.7°F (9.3°C) during the May nights.Humidity
In Armagh, the average relative humidity in May is 80%.Rainfall
The month with the most rainfall is May, when the rain falls for 20.5 days and typically aggregates up to 3.46" (88mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Armagh. May is the last month it regularly snows. During 0.5 snowfall days, in May, Armagh aggregates 0.2" (5mm) of snow. Throughout the year, in Armagh, there are 67.6 snowfall days, and 32.83" (834mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 27min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:12 pm. On the last day of May, sunrise is at 5:47 am and sunset at 8:39 pm EDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 5 in May leads to these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
What is the rainiest month?
How much does it rain in May?
What is the last month it snows in Armagh?
How many hours of daylight does Armagh have in May?
What time are sunrise and sunset in May in Armagh?
How long on average sun shines in May?
What is the month with the highest UV index?
How high is the UV index in May?
Average temperature in May
Armagh, PA
- Average high temperature in May: 68.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in May
Armagh, PA
- Average pressure in May: 30"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
Armagh, PA
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Armagh, PA
- Average humidity in May: 80%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in May
Armagh, PA
- Average rainfall in May: 3.46"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in May
Armagh, PA
- Average rainfall days in May: 20.5 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in May
Armagh, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is January (7.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Armagh, PA
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Armagh, 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 18min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Armagh, PA
- Average sunshine days in May: 8.4 days
The month with the most sunshine days is November (13.6 days).
The month with the least sunshine days is January (7 days).
Average UV index in May
Armagh, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Armagh, PA
- Average cloud cover in May: 49
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in May
Armagh, 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).
Armagh, Pennsylvania, USA
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