May weather forecastWestport, PA
May
Weather in May
May, the last month of the spring in Westport, is an enjoyable month, with an average temperature ranging between max 67.8°F (19.9°C) and min 46.2°F (7.9°C).Temperature
A shift in the average high-temperature is noticeable in May, changing from a fresh 55.2°F (12.9°C) in April to a comfortable 67.8°F (19.9°C). During the month of May, an average low-temperature of 46.2°F (7.9°C) is recorded.Humidity
In May, the average relative humidity is 79%.Rainfall
In Westport, in May, it is raining for 18.5 days, with typically 3.15" (80mm) of accumulated precipitation. Throughout the year, there are 179.8 rainfall days, and 32.36" (822mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Westport aggregates 0.2" (5mm) of snow. Throughout the year, there are 65.4 snowfall days, and 28.15" (715mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 31min.On the first day of the month, sunrise is at 6:07 am and sunset at 8:09 pm. On the last day of May, in Westport, sunrise is at 5:40 am and sunset at 8:37 pm EDT.
Sunshine
In Westport, the average sunshine in May is 8.2h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 during May leads to these advisories:
Adopt protective measures - Suggestions to resist sunburn are offered. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Westport, PA
- Average high temperature in May: 67.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in May: 46.2°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in May
Westport, 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
Westport, PA
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Westport, PA
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (86%).
The month with the lowest relative humidity is July (77%).
Average rainfall in May
Westport, PA
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in May
Westport, PA
- Average rainfall days in May: 18.5 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (11.1 days).
Average snowfall in May
Westport, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is January (7.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Westport, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Westport, PA
- Average daylight in May: 14h and 30min
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 12min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in May
Westport, PA
- Average sunshine days in May: 10.1 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (7.7 days).
Average UV index in May
Westport, PA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Westport, PA
- Average cloud cover in May: 50
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in May
Westport, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, September and December (4mi).
