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 beginning of May signals a minor rise in the average high-temperature, moving from a refreshing 64.6°F (18.1°C) in April to a pleasant 73°F (22.8°C). Glamorgan's temperature lowers to a mean of 51.8°F (11°C) during the nights in May.Humidity
In Glamorgan, the average relative humidity in May is 79%.Rainfall
In Glamorgan, Virginia, in May, it is raining for 20.8 days, with typically 3.74" (95mm) of accumulated precipitation. Throughout the year, in Glamorgan, there are 179.6 rainfall days, and 38.7" (983mm) of precipitation is accumulated.Snowfall
Months with snowfall in Glamorgan are January through May, October through December. May is the last month it regularly snows in Glamorgan. During 0.2 snowfall days, in May, Glamorgan aggregates 0.24" (6mm) of snow. In Glamorgan, Virginia, during the entire year, snow falls for 45 days and aggregates up to 29.09" (739mm) of snow.Daylight
In Glamorgan, the average length of the day in May is 14h and 10min.On the first day of the month, sunrise is at 6:35 am and sunset at 8:19 pm. On the last day of May, sunrise is at 6:12 am and sunset at 8:44 pm EDT.
Sunshine
In Glamorgan, the average sunshine in May is 8.7h.UV index
The average daily maximum UV index in May in Glamorgan is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 5 translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Glamorgan?
What is the average humidity in May in Glamorgan?
How much does it rain in Glamorgan in May?
What is the last month it snows in Glamorgan?
What is the average length of the day in May in Glamorgan?
When is the sunrise / sunset in May in Glamorgan?
How long on average sun shines in May in Glamorgan?
What is the UV index intensity in May in Glamorgan?
Average temperature in May
Glamorgan, VA
- Average high temperature in May: 73°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in May: 51.8°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in May
Glamorgan, VA
- Average pressure in May: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
Glamorgan, VA
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Glamorgan, VA
- Average humidity in May: 79%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and November (77%).
Average rainfall in May
Glamorgan, VA
- Average rainfall in May: 3.74"
The wettest month (with the highest rainfall) is July (3.94").
The driest months (with the least rainfall) are September and November (2.52").
Average rainfall days in May
Glamorgan, VA
- Average rainfall days in May: 20.8 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in May
Glamorgan, VA
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Glamorgan, VA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Glamorgan, VA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 8h and 4min
The months with the most sunshine are June and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Glamorgan, VA
- Average sunshine days in May: 9 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (9 days).
Average UV index in May
Glamorgan, VA
- Average UV index in May: 5
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Glamorgan, VA
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in May
Glamorgan, VA
- 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).
Glamorgan, Virginia, USA
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