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
The shift into June brings an increase in the average high-temperature, moving from a comfortable 66.6°F (19.2°C) in May to a warm 76.5°F (24.7°C). An average nighttime temperature of 60.3°F (15.7°C) is observed in Grafton, Iowa, during June.Humidity
In Grafton, the average relative humidity in June is 80%.Rainfall
June is the month with the most rainfall in Grafton. Rain falls for 18.4 days and accumulates 4.13" (105mm) of precipitation.Snowfall
In Grafton, snow does not fall in June through September.Daylight
The month with the longest days in Grafton is June, with an average of 15h and 18min of daylight.On the first day of the month, sunrise is at 5:34 am and sunset at 8:46 pm. On the last day of June, sunrise is at 5:35 am and sunset at 8:56 pm CDT.
Sunshine
In Grafton, the average sunshine in June is 9.3h.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 radiation for the ordinary person.Note: The maximum daily UV index of 6 in June interprets into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What is the usual temperature for Grafton in June?
What is the average humidity in June in Grafton?
What is the wettest month in Grafton?
How much does it rain in Grafton in June?
When it does not snow in Grafton?
Does it snow in Grafton in June?
When are the longest days in Grafton?
How many hours of daylight does Grafton have in June?
When is the sunrise / sunset in June in Grafton?
How long on average sun shines in June in Grafton?
What is the month with the highest UV index in Grafton?
What is the UV index intensity in June in Grafton?
Average temperature in June
Grafton, IA
- Average high temperature in June: 76.5°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in June: 60.3°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in June
Grafton, IA
- Average pressure in June: 29.88"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in June
Grafton, IA
- Average wind speed in June: 8.5mph
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 (7.4mph).
Average humidity in June
Grafton, IA
- Average humidity in June: 80%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and October (72%).
Average rainfall in June
Grafton, IA
- Average rainfall in June: 4.13"
The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in June
Grafton, IA
- Average rainfall days in June: 18.4 days
The month with the highest number of rainy days is June (18.4 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in June
Grafton, IA
- Average snowfall in June: 0"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Grafton, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Grafton, IA
- Average daylight in June: 15h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in June: 9h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in June
Grafton, IA
- Average sunshine days in June: 9.1 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in June
Grafton, 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, November and December (UV index 1).
Average cloud cover in June
Grafton, IA
- Average cloud cover in June: 38
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in June
Grafton, IA
- Average visibility in June: 6mi
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).
Grafton, Iowa, USA
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