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 start of June is characterized by an increase in the average high-temperature, transitioning from a pleasant 69.3°F (20.7°C) in May to a moderately hot 78.4°F (25.8°C). Grinnell reports an average nighttime low-temperature of 62.4°F (16.9°C) in June.Humidity
In Grinnell, Iowa, the average relative humidity in June is 82%.Rainfall
The months with the most rainfall are May and June, with an average 1.97" (50mm) of precipitation.Snowfall
In Grinnell, snow does not fall in June through September.Daylight
June has the longest days of the year in Grinnell, Iowa, with an average of 15h and 12min of daylight.On the first day of the month, sunrise is at 5:38 am and sunset at 8:39 pm. On the last day of June, in Grinnell, sunrise is at 5:39 am and sunset at 8:49 pm CDT.
Sunshine
In June, the average sunshine in Grinnell, Iowa, is 9.7h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 6 during June, leads to the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grinnell in June?
What is the average humidity in June in Grinnell?
What is the rainiest month in Grinnell?
How much does it rain in Grinnell in June?
When it does not snow in Grinnell?
Does it snow in Grinnell in June?
When are the longest days in Grinnell?
What is the average length of the day in June in Grinnell?
What time are sunrise and sunset in June in Grinnell?
How many hours of sunshine does Grinnell have in June?
When is the highest UV index in Grinnell?
What is the UV index intensity in June in Grinnell?
Average temperature in June
Grinnell, IA
- Average high temperature in June: 78.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in June: 62.4°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in June
Grinnell, 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
Grinnell, IA
- Average wind speed in June: 8mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in June
Grinnell, IA
- Average humidity in June: 82%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in June
Grinnell, IA
- Average rainfall in June: 1.97"
The wettest months (with the highest rainfall) are May and June (1.97").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in June
Grinnell, IA
- Average rainfall days in June: 15.1 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in June
Grinnell, IA
- Average snowfall in June: 0"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Grinnell, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Grinnell, IA
- Average daylight in June: 15h and 1min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in June
Grinnell, IA
- Average sunshine days in June: 11.5 days
The month with the most sunshine days is January (21.1 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in June
Grinnell, IA
- Average UV index in June: 6
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in June
Grinnell, IA
- Average cloud cover in June: 34
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in June
Grinnell, 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).
Grinnell, Iowa, USA
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