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 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 subtle temperature rise, moving from a moderately hot 74.8°F (23.8°C) in April to a still warm 81.7°F (27.6°C). Throughout May, Lombard experiences a low-temperature average of 64°F (17.8°C).Heat index
During May, the heat index is calculated to be a hot 86°F (30°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In Lombard, the average relative humidity in May is 74%.Rainfall
In Lombard, in May, it is raining for 11.9 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 132.8 rainfall days, and 15.24" (387mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In May, the average length of the day is 13h and 50min.On the first day of the month, sunrise is at 6:41 am and sunset at 8:10 pm. On the last day of May, sunrise is at 6:22 am and sunset at 8:31 pm EDT.
Sunshine
In Lombard, the average sunshine in May is 10.2h.UV index
In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 6 in May translates into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow in Lombard?
How many hours of daylight does Lombard have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Lombard, GA
- Average high temperature in May: 81.7°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in May: 64°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in May
Lombard, GA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in May
Lombard, GA
- Average wind speed in May: 7.1mph
The windiest months (with the highest average wind speed) are March and April (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Lombard, GA
- Average humidity in May: 74%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in May
Lombard, GA
- Average rainfall in May: 1.22"
The wettest month (with the highest rainfall) is August (2.17").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in May
Lombard, GA
- Average rainfall days in May: 11.9 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (5.6 days).
Average snowfall days in May
Lombard, GA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Lombard, GA
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Lombard, GA
- Average sunshine days in May: 17 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in May
Lombard, GA
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Lombard, GA
- Average cloud cover in May: 32
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in May
Lombard, GA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Lombard, Georgia, USA
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