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 arrival signals a temperature shift, moving from a refreshing 59.5°F (15.3°C) in April to a pleasant 71.2°F (21.8°C). Throughout May in Irondale, a steady low-temperature average of 50.5°F (10.3°C) is noted.Humidity
In Irondale, the average relative humidity in May is 78%.Rainfall
In Irondale, in May, it is raining for 20.3 days, with typically 3.15" (80mm) of accumulated precipitation. In Irondale, during the entire year, the rain falls for 179.8 days and collects up to 32.91" (836mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Irondale. During 0.4 snowfall days, in May, Irondale aggregates 0.16" (4mm) of snow. Throughout the year, in Irondale, there are 63.4 snowfall days, and 23.35" (593mm) of snow is accumulated.Daylight
In Irondale, the average length of the day in May is 14h and 28min.On the first day of May in Irondale, sunrise is at 6:20 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:47 pm EDT.
Sunshine
The average sunshine in May in Irondale is 8.7h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 during May leads to these advisories:
Put precautions into practice - Guidance to elude sunburn is provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Irondale?
What is the average humidity in May in Irondale?
How much does it rain in Irondale in May?
What is the last month it snows in Irondale?
What is the average length of the day in May in Irondale?
When are sunrise and sunset in May in Irondale?
How many hours of sunshine does Irondale have in May?
What is the UV index reading in May in Irondale?
Average temperature in May
Irondale, OH
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.5°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 (19.6°F).
Average pressure in May
Irondale, 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
Irondale, OH
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in May
Irondale, OH
- Average humidity in May: 78%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in May
Irondale, OH
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in May
Irondale, OH
- Average rainfall days in May: 20.3 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in May
Irondale, OH
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Irondale, OH
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Irondale, OH
- Average daylight in May: 14h and 3min
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 month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in May
Irondale, OH
- Average sunshine days in May: 8.4 days
The month with the most sunshine days is November (13.7 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in May
Irondale, OH
- 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
Irondale, OH
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Irondale, OH
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Irondale, Ohio, USA
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