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 Rittenhouse's weather, with average high-temperatures moving from April's mild 55.6°F (13.1°C) to a comfortable 67.6°F (19.8°C). Rittenhouse experiences an average low-temperature of 47.8°F (8.8°C) in month of May.Humidity
The average relative humidity in May is 80%.Rainfall
In Rittenhouse, during May, the rain falls for 19.1 days and regularly aggregates up to 2.87" (73mm) of precipitation. In Rittenhouse, Pennsylvania, during the entire year, the rain falls for 162.5 days and collects up to 30.35" (771mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Rittenhouse. During 0.3 snowfall days, in May, Rittenhouse aggregates 0.24" (6mm) of snow. In Rittenhouse, during the entire year, snow falls for 41.1 days and aggregates up to 21.38" (543mm) of snow.Daylight
The average length of the day in May is 14h and 31min.On the first day of May, sunrise is at 6:01 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:31 pm EDT.
Sunshine
The average sunshine in May in Rittenhouse is 8h.UV index
The months with the highest UV index in Rittenhouse, Pennsylvania, are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 5 in May suggests the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. When the Sun is at its strongest around midday, find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are May temperatures in Rittenhouse?
What is the average humidity in May in Rittenhouse?
How many days does it rain in May in Rittenhouse?
What is the last month it snows in Rittenhouse?
What is the average length of the day in May in Rittenhouse?
What time are sunrise and sunset in May in Rittenhouse?
How long on average sun shines in May in Rittenhouse?
What are the months with the highest UV index in Rittenhouse?
What is the UV index reading in May in Rittenhouse?
Average temperature in May
Rittenhouse, PA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in May
Rittenhouse, 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
Rittenhouse, PA
- Average wind speed in May: 6.5mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Rittenhouse, PA
- Average humidity in May: 80%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in May
Rittenhouse, PA
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and September (2.09").
Average rainfall days in May
Rittenhouse, PA
- Average rainfall days in May: 19.1 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in May
Rittenhouse, PA
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Rittenhouse, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rittenhouse, PA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in May
Rittenhouse, PA
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in May
Rittenhouse, 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
Rittenhouse, PA
- Average cloud cover in May: 51
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in May
Rittenhouse, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Rittenhouse, Pennsylvania, USA
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