May weather forecastWestlake, OH
May
Weather in May
The last month of the spring, May, is a refreshing month in Westlake, Ohio, with an average temperature fluctuating between 63.5°F (17.5°C) and 50.9°F (10.5°C).Temperature
Westlake's weather in May shows a rise in the average high-temperature, moving up from April's cool 52.3°F (11.3°C) to a refreshing 63.5°F (17.5°C). Westlake's average low-temperature in the month of May is recorded at a fresh 50.9°F (10.5°C).Humidity
In May, the average relative humidity is 78%.Rainfall
In Westlake, in May, during 16.8 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Westlake, during the entire year, the rain falls for 161.8 days and collects up to 24.96" (634mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 32min.On the first day of May in Westlake, sunrise is at 6:23 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:54 pm EDT.
Sunshine
In May, the average sunshine in Westlake is 9h.UV index
In Westlake, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 in May translates into these instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Westlake, OH
- Average high temperature in May: 63.5°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in May
Westlake, OH
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Westlake, OH
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in May
Westlake, OH
- Average humidity in May: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July, August, October and November (76%).
Average rainfall in May
Westlake, OH
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in May
Westlake, OH
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in May
Westlake, OH
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Westlake, OH
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Westlake, OH
- 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 12min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in May
Westlake, OH
- Average sunshine days in May: 12.2 days
The month with the most sunshine days is July (12.8 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in May
Westlake, OH
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Westlake, OH
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in May
Westlake, OH
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





