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
The arrival of May brings a change in Troy's weather, with average high-temperatures moving from April's cool 54°F (12.2°C) to a refreshing 66.7°F (19.3°C). Troy experiences an average low-temperature of 46.6°F (8.1°C) in the month of May.Humidity
The average relative humidity in May in Troy is 79%.Rainfall
In Troy, in May, it is raining for 19 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, there are 171.9 rainfall days, and 28.54" (725mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.6 snowfall days, in May, Troy aggregates 0.28" (7mm) of snow. In Troy, during the entire year, snow falls for 74.9 days and aggregates up to 30.08" (764mm) of snow.Daylight
In May, the average length of the day in Troy, Pennsylvania, is 14h and 34min.On the first day of May, sunrise is at 6:02 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:35 pm EDT.
Sunshine
In May, the average sunshine is 8.1h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 5 in May leads to these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Troy in May?
What is the average humidity in May in Troy?
How many days does it rain in May in Troy?
What is the last month it snows in Troy?
How many hours of daylight does Troy have in May?
What time are sunrise and sunset in May in Troy?
How many hours of sunshine does Troy have in May?
What is the month with the highest UV index in Troy?
What is the UV index reading in May in Troy?
Average temperature in May
Troy, PA
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 46.6°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in May
Troy, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Troy, PA
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Troy, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (78%).
Average rainfall in May
Troy, PA
- Average rainfall in May: 2.76"
The wettest months (with the highest rainfall) are April and July (2.91").
The driest months (with the least rainfall) are January and November (1.77").
Average rainfall days in May
Troy, 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 February (8.6 days).
Average snowfall in May
Troy, PA
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Troy, PA
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Troy, PA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in May
Troy, PA
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.7 days).
Average UV index in May
Troy, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Troy, PA
- Average cloud cover in May: 51
The months with the most cloud cover are January, February and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in May
Troy, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Troy, Pennsylvania, USA
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