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 sees a rise in the average high-temperature, climbing from a moderate 60.4°F (15.8°C) in April to a pleasant 71.2°F (21.8°C). During May, the average low-temperature is a fresh 53.2°F (11.8°C).Humidity
In Gwynedd, the average relative humidity in May is 76%.Rainfall
In May, in Gwynedd, the rain falls for 13.1 days. Throughout May, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 116.6 rainfall days, and 10.63" (270mm) of precipitation is accumulated.Snowfall
Months with snowfall in Gwynedd, Pennsylvania, are January through May, November and December. May is the last month it regularly snows in Gwynedd. During 0.1 snowfall days, in May, Gwynedd aggregates 0.2" (5mm) of snow. Throughout the year, there are 14.8 snowfall days, and 3.5" (89mm) of snow is accumulated.Daylight
In Gwynedd, the average length of the day in May is 14h and 25min.On the first day of the month, sunrise is at 5:59 am and sunset at 7:56 pm. On the last day of May, in Gwynedd, sunrise is at 5:33 am and sunset at 8:24 pm EDT.
Sunshine
In Gwynedd, the average sunshine in May is 8.6h.UV index
The months with the highest UV index in Gwynedd are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 6 in May transforms into this advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the temperature in May in Gwynedd?
What is the average humidity in May in Gwynedd?
How much does it rain in Gwynedd in May?
What is the last month it snows in Gwynedd?
How many hours of daylight does Gwynedd have in May?
When is the sunrise / sunset in May in Gwynedd?
How long on average sun shines in May in Gwynedd?
When is the highest UV index in Gwynedd?
What is the UV index reading in May in Gwynedd?
Average temperature in May
Gwynedd, PA
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in May: 53.2°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in May
Gwynedd, 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
Gwynedd, PA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Gwynedd, PA
- Average humidity in May: 76%
The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April, July and August (73%).
Average rainfall in May
Gwynedd, PA
- Average rainfall in May: 1.02"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in May
Gwynedd, PA
- Average rainfall days in May: 13.1 days
The month with the highest number of rainy days is July (13.8 days).
The months with the least rainy days are January and February (6.3 days).
Average snowfall in May
Gwynedd, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (1.02").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Gwynedd, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Gwynedd, 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 24min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Gwynedd, PA
- Average sunshine days in May: 15.7 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in May
Gwynedd, PA
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Gwynedd, PA
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Gwynedd, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Gwynedd, Pennsylvania, USA
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