June weather forecastTrenton, IA
June
Weather in June
The first month of the summer, June, is a moderately hot month in Trenton, Iowa, with an average temperature fluctuating between 63.7°F (17.6°C) and 79.9°F (26.6°C).Temperature
As Trenton transitions into June, the average high-temperature shows a change, moving from a pleasant 70.9°F (21.6°C) in May to a warm 79.9°F (26.6°C). Throughout the month of June, Trenton sees a steady low-temperature average of 63.7°F (17.6°C).Humidity
The average relative humidity in June is 82%.Rainfall
In Trenton, in June, during 17.1 rainfall days, 4.17" (106mm) of precipitation is typically accumulated. In Trenton, during the entire year, the rain falls for 140.1 days and collects up to 29.92" (760mm) of precipitation.Snowfall
In Trenton, snow does not fall in May through September.Daylight
With an average of 15h and 6min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:36 am and sunset at 8:32 pm. On the last day of June, sunrise is at 5:37 am and sunset at 8:42 pm CDT.
Sunshine
The average sunshine in June is 9.8h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In June, a regular UV index of 6 translates into these guidelines:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Trenton, IA
- Average high temperature in June: 79.9°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in June: 63.7°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in June
Trenton, IA
- Average pressure in June: 29.9"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in June
Trenton, IA
- Average wind speed in June: 7.9mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in June
Trenton, IA
- Average humidity in June: 82%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in June
Trenton, IA
- Average rainfall in June: 4.17"
The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.38").
Average rainfall days in June
Trenton, IA
- Average rainfall days in June: 17.1 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in June
Trenton, IA
- Average snowfall in June: 0"
The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Trenton, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Trenton, IA
- Average daylight in June: 15h and 6min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in June: 9h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in June
Trenton, IA
- Average sunshine days in June: 10.7 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in June
Trenton, IA
- Average UV index in June: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in June
Trenton, IA
- Average cloud cover in June: 33
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility in June
Trenton, IA
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).





