June weather forecastMarshalltown, IA
June
Weather in June
June ushers in the summer season in Marshalltown, characterized by longer days and warmer temperatures. A unique characteristic of June is max UV index of 6, indicating strong sunshine. The increase in sunshine hours is enjoyed by everyone, resulting in exciting outdoor activities. The summer heat starts to become more pronounced, yet the weather overall remains quite pleasant. The fading rain showers and thriving sunlight create a balanced climate, marking the true onset of summer.Temperature
As Marshalltown transitions into June, a rise in the average high-temperature is observed, moving from an agreeable 68.7°F (20.4°C) in May to a moderately hot 78.3°F (25.7°C). June in Marshalltown generally records an average low-temperature of 62.2°F (16.8°C).Humidity
In June, the average relative humidity in Marshalltown, Iowa, is 82%.Rainfall
June is the month with the most rainfall in Marshalltown. Rain falls for 15.7 days and accumulates 2.56" (65mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The month with the longest days is June, with an average of 15h and 12min of daylight.On the first day of June in Marshalltown, sunrise is at 5:37 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:51 pm CDT.
Sunshine
The average sunshine in June is 9.5h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during June translates into these guidelines:
Fend off overexposure. Sun protection is vital. 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. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Marshalltown, IA
- Average high temperature in June: 78.3°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in June: 62.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in June
Marshalltown, IA
- Average pressure in June: 29.89"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in June
Marshalltown, IA
- Average wind speed in June: 8.2mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in June
Marshalltown, IA
- Average humidity in June: 82%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (72%).
Average rainfall in June
Marshalltown, IA
- Average rainfall in June: 2.56"
The wettest month (with the highest rainfall) is June (2.56").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in June
Marshalltown, IA
- Average rainfall days in June: 15.7 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in June
Marshalltown, IA
- Average snowfall in June: 0"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Marshalltown, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Marshalltown, IA
- Average daylight in June: 15h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in June: 9h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in June
Marshalltown, IA
- Average sunshine days in June: 12.2 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in June
Marshalltown, IA
- Average UV index in June: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in June
Marshalltown, IA
- Average cloud cover in June: 36
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in June
Marshalltown, IA
- Average visibility in June: 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).
