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's onset brings a temperature rise, moving from a mild 60.1°F (15.6°C) in April to an agreeable 72.1°F (22.3°C). May nights in Fairview Heights are characterized by a significant departure from the daytime highs, dropping to an average temperature of 50.5°F (10.3°C).Humidity
In May, the average relative humidity in Fairview Heights is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 20.5 days and typically aggregates up to 3.19" (81mm) of precipitation.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, Fairview Heights aggregates 0.16" (4mm) of snow. Throughout the year, in Fairview Heights, Ohio, there are 56.5 snowfall days, and 19.41" (493mm) of snow is accumulated.Daylight
In Fairview Heights, Ohio, the average length of the day in May is 14h and 27min.On the first day of May, sunrise is at 6:20 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:46 pm EDT.
Sunshine
In Fairview Heights, Ohio, the average sunshine in May is 8.6h.UV index
In Fairview Heights, Ohio, the average daily maximum UV index in May 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, an average UV index of 5 transforms into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Fairview Heights?
What is the average humidity in May in Fairview Heights?
What is the wettest month in Fairview Heights?
How many days does it rain in May in Fairview Heights?
What is the last month it snows in Fairview Heights?
What is the average length of the day in May in Fairview Heights?
When are sunrise and sunset in May in Fairview Heights?
How long on average sun shines in May in Fairview Heights?
What is the UV index reading in May in Fairview Heights?
Average temperature in May
Fairview Heights, OH
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in May
Fairview Heights, OH
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Fairview Heights, OH
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in May
Fairview Heights, OH
- Average humidity in May: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in May
Fairview Heights, OH
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in May
Fairview Heights, OH
- Average rainfall days in May: 20.5 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in May
Fairview Heights, OH
- Average snowfall in May: 0.16"
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Fairview Heights, OH
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Fairview Heights, OH
- 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 18min).
- Average sunshine in May: 8h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in May
Fairview Heights, OH
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is November (15.5 days).
The months with the least sunshine days are January and May (8.8 days).
Average UV index in May
Fairview Heights, OH
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Fairview Heights, OH
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Fairview Heights, OH
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).
Fairview Heights, Ohio, USA
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