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
A rise in the average high-temperature is observed during May, moving from a mild 56.8°F (13.8°C) in April to an agreeable 69.1°F (20.6°C). Clarence records an average low-temperature of 48°F (8.9°C) throughout the month of May.Humidity
In Clarence, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 18.4 days and typically aggregates up to 2.76" (70mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Clarence. During 0.3 snowfall days, in May, Clarence aggregates 0.12" (3mm) of snow. In Clarence, during the entire year, snow falls for 47.4 days and aggregates up to 17.13" (435mm) of snow.Daylight
In May, the average length of the day is 14h and 30min.On the first day of the month, sunrise is at 6:08 am and sunset at 8:09 pm. On the last day of May, sunrise is at 5:41 am and sunset at 8:37 pm EDT.
Sunshine
In May, the average sunshine is 8.2h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
What is the rainiest month?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Clarence have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the month with the highest UV index?
What is the UV index reading in May?
Average temperature in May
Clarence, PA
- Average high temperature in May: 69.1°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in May: 48°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in May
Clarence, PA
- Average pressure in May: 30.01"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
Clarence, PA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Clarence, PA
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (76%).
Average rainfall in May
Clarence, PA
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in May
Clarence, PA
- Average rainfall days in May: 18.4 days
The month with the highest number of rainy days is May (18.4 days).
The months with the least rainy days are January and February (8.3 days).
Average snowfall in May
Clarence, PA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Clarence, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Clarence, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Clarence, PA
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in May
Clarence, 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
Clarence, PA
- Average cloud cover in May: 49
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in May
Clarence, 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).
Clarence, Pennsylvania, USA
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