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
Lake Harmony's weather in May presents a rise in the average high-temperature, moving from a cool 55°F (12.8°C) in April to a comfortable 66.7°F (19.3°C). Lake Harmony throughout May, experiences an average nighttime temperature of 48.2°F (9°C).Humidity
The average relative humidity in May is 80%.Rainfall
In Lake Harmony, in May, during 19.3 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. In Lake Harmony, during the entire year, the rain falls for 173.5 days and collects up to 36.57" (929mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Lake Harmony aggregates 0.39" (10mm) of snow. Throughout the year, there are 62.9 snowfall days, and 38.11" (968mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 30min.On the first day of May, sunrise is at 5:59 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:28 pm EDT.
Sunshine
The average sunshine in May is 7.8h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Lake Harmony in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Lake Harmony have in May?
When 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 intensity in May?
Average temperature in May
Lake Harmony, PA
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 48.2°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in May
Lake Harmony, 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
Lake Harmony, PA
- Average wind speed in May: 6.6mph
The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Lake Harmony, PA
- Average humidity in May: 80%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in May
Lake Harmony, PA
- Average rainfall in May: 3.54"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in May
Lake Harmony, PA
- Average rainfall days in May: 19.3 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in May
Lake Harmony, PA
- Average snowfall in May: 0.39"
The month with the highest snowfall is January (9.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lake Harmony, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lake Harmony, 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: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in May
Lake Harmony, PA
- Average sunshine days in May: 9.5 days
The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in May
Lake Harmony, 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
Lake Harmony, PA
- Average cloud cover in May: 52
The months with the most cloud cover are February and December (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in May
Lake Harmony, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Lake Harmony, Pennsylvania, USA
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