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 refreshing 61.7°F (16.5°C) in April to a pleasant 72.7°F (22.6°C). Hartsburg, in the month of May, anticipates a consistent average low-temperature of 55.9°F (13.3°C).Humidity
In Hartsburg, the average relative humidity in May is 76%.Rainfall
May is the month with the most rainfall in Hartsburg. Rain falls for 18 days and accumulates 2.76" (70mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May is 14h and 26min.On the first day of the month, sunrise is at 5:56 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:30 am and sunset at 8:20 pm CDT.
Sunshine
In May, the average sunshine is 9.3h.UV index
The average daily maximum UV index in May in Hartsburg is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 5 in May translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Hartsburg?
What is the average humidity in May in Hartsburg?
What is the wettest month in Hartsburg?
How much does it rain in Hartsburg in May?
When it does not snow in Hartsburg?
Does it snow in Hartsburg in May?
How many hours of daylight does Hartsburg have in May?
What time are sunrise and sunset in May in Hartsburg?
How many hours of sunshine does Hartsburg have in May?
How high is the UV index in May in Hartsburg?
Average temperature in May
Hartsburg, IL
- Average high temperature in May: 72.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in May
Hartsburg, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Hartsburg, IL
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in May
Hartsburg, IL
- Average humidity in May: 76%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Hartsburg, IL
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in May
Hartsburg, IL
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in May
Hartsburg, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Hartsburg, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hartsburg, IL
- 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 24min).
- Average sunshine in May: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Hartsburg, IL
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in May
Hartsburg, IL
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Hartsburg, IL
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in May
Hartsburg, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Hartsburg, Illinois, USA
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