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 signals an increase in average high-temperatures, moving from May's refreshing 65.8°F (18.8°C) to a warm 75.4°F (24.1°C). Castalia reports an average low-temperature of 58.6°F (14.8°C) during the nights of June.Humidity
In June, the average relative humidity is 84%.Rainfall
June is the month with the most rainfall. Rain falls for 17.7 days and accumulates 4.33" (110mm) of precipitation.Snowfall
In Castalia, snow does not fall in June through September.Daylight
With an average of 15h and 18min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:29 am and sunset at 8:39 pm. On the last day of June, sunrise is at 5:30 am and sunset at 8:50 pm CDT.
Sunshine
In Castalia, the average sunshine in June is 9.2h.UV index
In Castalia, the average daily maximum UV index in June is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 5 in June interprets into the following advice:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in June in Castalia?
What is the average humidity in June?
What is the wettest month?
How much does it rain in June?
When it does not snow?
Does it snow in June?
When are the longest days?
How many hours of daylight does Castalia have in June?
When are sunrise and sunset in June?
How many hours of sunshine does Castalia have in June?
What is the UV index intensity in June?
Average temperature in June
Castalia, IA
- Average high temperature in June: 75.4°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in June: 58.6°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in June
Castalia, IA
- Average pressure in June: 29.89"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in June
Castalia, IA
- Average wind speed in June: 7.9mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in June
Castalia, IA
- Average humidity in June: 84%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (75%).
Average rainfall in June
Castalia, IA
- Average rainfall in June: 4.33"
The wettest month (with the highest rainfall) is June (4.33").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in June
Castalia, IA
- Average rainfall days in June: 17.7 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in June
Castalia, IA
- Average snowfall in June: 0"
The month with the highest snowfall is February (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Castalia, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Castalia, 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 6min).
- Average sunshine in June: 9h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in June
Castalia, IA
- Average sunshine days in June: 10.5 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in June
Castalia, IA
- Average UV index in June: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in June
Castalia, IA
- Average cloud cover in June: 38
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in June
Castalia, IA
- Average visibility in June: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Castalia, Iowa, USA
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