June weather forecastMartinsburg, IA
June
Weather in June
June, the first month of the summer in Martinsburg, is a warm month, with an average temperature varying between 79.3°F (26.3°C) and 63.1°F (17.3°C).Temperature
The beginning of June marks a shift in the average high-temperature, moving from May's pleasant 70°F (21.1°C) to a moderately hot 79.3°F (26.3°C). In the month of June, Martinsburg records a consistent average low-temperature of 63.1°F (17.3°C).Humidity
In Martinsburg, the average relative humidity in June is 82%.Rainfall
In Martinsburg, in June, during 17.2 rainfall days, 4.02" (102mm) of precipitation is typically accumulated. In Martinsburg, during the entire year, the rain falls for 137.9 days and collects up to 27.76" (705mm) of precipitation.Snowfall
In Martinsburg, Iowa, snow does not fall in June through September.Daylight
June has the longest days of the year in Martinsburg, with an average of 15h and 6min of daylight.On the first day of June, sunrise is at 5:38 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:45 pm CDT.
Sunshine
In Martinsburg, the average sunshine in June is 9.8h.UV index
The months with the highest UV index in Martinsburg are June and July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 6 in June translates into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Martinsburg, IA
- Average high temperature in June: 79.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.6°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 (15.6°F).
Average pressure in June
Martinsburg, 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
Martinsburg, IA
- Average wind speed in June: 7.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in June
Martinsburg, IA
- Average humidity in June: 82%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in June
Martinsburg, IA
- Average rainfall in June: 4.02"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in June
Martinsburg, IA
- Average rainfall days in June: 17.2 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in June
Martinsburg, IA
- Average snowfall in June: 0"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Martinsburg, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Martinsburg, 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 18min).
- Average sunshine in June: 9h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in June
Martinsburg, IA
- Average sunshine days in June: 10.3 days
The month with the most sunshine days is December (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in June
Martinsburg, 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, October, November and December (UV index 2).
Average cloud cover in June
Martinsburg, IA
- Average cloud cover in June: 33
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in June
Martinsburg, IA
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
