June weather forecastIonia, MO
June
Weather in June
June, the first month of the summer in Ionia, is a warm month, with an average temperature ranging between max 83.5°F (28.6°C) and min 65.8°F (18.8°C).Temperature
The transition from May to June brings a temperature rise, with average high-temperatures increasing from a pleasant 73°F (22.8°C) to a warm 83.5°F (28.6°C). Throughout the June nights, Ionia encounters a low-temperature of 65.8°F (18.8°C).Heat index
The heat index for June is evaluated at a hot 93.2°F (34°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.Realize that the values for the heat index are set for shaded places and light winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are especially vital to children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
The average relative humidity in June is 80%.Rainfall
In June, the rain falls for 13.5 days. Throughout June, 1.97" (50mm) of precipitation is accumulated. In Ionia, during the entire year, the rain falls for 130 days and collects up to 21.81" (554mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
With an average of 14h and 48min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:50 am and sunset at 8:31 pm. On the last day of June, sunrise is at 5:52 am and sunset at 8:41 pm CDT.
Sunshine
June and July, with an average of 10.2h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In June, an average UV index of 6 transforms into the following instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Ionia, MO
- Average high temperature in June: 83.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in June: 65.8°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in June
Ionia, MO
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Ionia, MO
- Average wind speed in June: 7.8mph
The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in June
Ionia, MO
- Average humidity in June: 80%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in June
Ionia, MO
- Average rainfall in June: 1.97"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in June
Ionia, MO
- Average rainfall days in June: 13.5 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in June
Ionia, MO
- Average snowfall in June: 0"
The month with the highest snowfall is January (1.77").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in June
Ionia, MO
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Ionia, MO
- Average daylight in June: 14h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in June: 10h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in June
Ionia, MO
- Average sunshine days in June: 13 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in June
Ionia, MO
- Average UV index in June: 6
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 June
Ionia, MO
- Average cloud cover in June: 28
The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in June
Ionia, MO
- Average visibility in June: 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).





