June weather forecastSwan, IA
June
Weather in June
The first month of the summer, June, is a warm month in Swan, Iowa, with an average temperature fluctuating between 63.1°F (17.3°C) and 79.3°F (26.3°C).Temperature
Swan's transition into June brings a rise in the average high-temperature, moving from a pleasant 69.8°F (21°C) in May to a moderately hot 79.3°F (26.3°C). Throughout June, Swan's nights cool down to an average of 63.1°F (17.3°C).Humidity
The average relative humidity in June in Swan is 82%.Rainfall
In Swan, in June, it is raining for 14.6 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 109.9 rainfall days, and 12.72" (323mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The month with the longest days is June, with an average of 15h and 6min of daylight.On the first day of June, sunrise is at 5:41 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:50 pm CDT.
Sunshine
In Swan, the average sunshine in June is 9.9h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 6 during June leads to these instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Swan, IA
- Average high temperature in June: 79.3°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in June: 63.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in June
Swan, IA
- Average pressure in June: 29.89"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in June
Swan, IA
- Average wind speed in June: 7.9mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in June
Swan, IA
- Average humidity in June: 82%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in June
Swan, IA
- Average rainfall in June: 2.05"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and December (0.39").
Average rainfall days in June
Swan, IA
- Average rainfall days in June: 14.6 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in June
Swan, IA
- Average snowfall in June: 0"
The month with the highest snowfall is January (1.97").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Swan, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Swan, 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 12min).
- Average sunshine in June: 9h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in June
Swan, IA
- Average sunshine days in June: 10.9 days
The month with the most sunshine days is December (22.7 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in June
Swan, 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
Swan, IA
- Average cloud cover in June: 33
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in June
Swan, 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).
