Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
June's arrival coincides with a rise in the average high-temperature, moving from May's pleasant 70.2°F (21.2°C) to a warm 79.9°F (26.6°C). Mercer reports a consistent average low-temperature of 63.3°F (17.4°C) throughout June nights.Humidity
The months with the highest humidity in Mercer are January and June, with an average relative humidity of 81%.Rainfall
The month with the most rainfall is June, when the rain falls for 15.3 days and typically aggregates up to 3.74" (95mm) of precipitation.Snowfall
May through September are months without snowfall in Mercer.Daylight
With an average of 15h and 6min of daylight, June has the longest days of the year in Mercer.On the first day of the month, sunrise is at 5:48 am and sunset at 8:44 pm. On the last day of June, sunrise is at 5:50 am and sunset at 8:54 pm CDT.
Sunshine
In Mercer, the average sunshine in June is 9.6h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In June, the UV index of 6 transforms into the following advice:
Shun overexposure. Protection from sun ravages is indispensable. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are June temperatures?
What is the most humid month?
What is the average humidity in June?
What is the rainiest month?
How much does it rain in June?
When it does not snow?
When are the longest days?
How many hours of daylight does Mercer have in June?
When are sunrise and sunset in June?
How many hours of sunshine does Mercer have in June?
What is the month with the highest UV index?
What is the UV index reading in June?
Average temperature in June
Mercer, IA
- Average high temperature in June: 79.9°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in June: 63.3°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in June
Mercer, IA
- Average pressure in June: 29.88"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in June
Mercer, IA
- Average wind speed in June: 8.2mph
The windiest months (with the highest average wind speed) are March and April (10.5mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in June
Mercer, IA
- Average humidity in June: 81%
The months with the highest relative humidity are January and June (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in June
Mercer, IA
- Average rainfall in June: 3.74"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in June
Mercer, IA
- Average rainfall days in June: 15.3 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in June
Mercer, IA
- Average snowfall in June: 0"
The month with the highest snowfall is January (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Mercer, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Mercer, IA
- Average daylight in June: 15h and 1min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in June
Mercer, IA
- Average sunshine days in June: 12.3 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is May (12 days).
Average UV index in June
Mercer, 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
Mercer, IA
- Average cloud cover in June: 33
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in June
Mercer, IA
- 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).
Mercer, Iowa, USA
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