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 brings a rise in Derby's average high-temperature, moving from a pleasant 69.4°F (20.8°C) in May to a warm 79.7°F (26.5°C). Derby's nights in June cool down to an average low-temperature of 63.1°F (17.3°C).Humidity
The most humid month is June, with an average relative humidity of 83%.Rainfall
June is the month with the most rainfall in Derby. Rain falls for 16.3 days and accumulates 3.74" (95mm) of precipitation.Snowfall
June through September are months without snowfall in Derby.Daylight
June has the longest days of the year, with an average of 15h and 6min of daylight.On the first day of June, sunrise is at 5:43 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:49 pm CDT.
Sunshine
In June, the average sunshine in Derby is 9.7h.UV index
The months with the highest UV index in Derby are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 6 during June translates into the following directions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average June temperature in Derby?
What is the most humid month in Derby?
What is the average humidity in June in Derby?
What is the wettest month in Derby?
How many days does it rain in June in Derby?
When it does not snow in Derby?
Does it snow in Derby in June?
When are the longest days in Derby?
What is the average length of the day in June in Derby?
What time are sunrise and sunset in June in Derby?
How long on average sun shines in June in Derby?
What is the month with the highest UV index in Derby?
What is the UV index intensity in June in Derby?
Average temperature in June
Derby, IA
- Average high temperature in June: 79.7°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in June: 63.1°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in June
Derby, 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
Derby, IA
- Average wind speed in June: 8.1mph
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 (7.1mph).
Average humidity in June
Derby, IA
- Average humidity in June: 83%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in June
Derby, 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 January (0.94").
Average rainfall days in June
Derby, IA
- Average rainfall days in June: 16.3 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in June
Derby, IA
- Average snowfall in June: 0"
The month with the highest snowfall is February (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Derby, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Derby, 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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in June
Derby, IA
- Average sunshine days in June: 10.7 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in June
Derby, 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
Derby, IA
- Average cloud cover in June: 34
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in June
Derby, IA
- Average visibility in June: 6mi
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).
Derby, Iowa, USA
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