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
With the onset of June, Jamestown's average high-temperature sees a modest rise, moving from May's warm 76.1°F (24.5°C) to a still moderately hot 83.8°F (28.8°C). Throughout June nights, Jamestown registers an average low-temperature of 66.6°F (19.2°C).Heat index
In June, the heat index is computed to be a hot 91.4°F (33°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Records show heat index calculations are tailored for shaded regions and mild winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The average relative humidity in June is 74%.Rainfall
In Jamestown, Virginia, in June, it is raining for 14.8 days, with typically 1.85" (47mm) of accumulated precipitation. In Jamestown, during the entire year, the rain falls for 148.7 days and collects up to 20.35" (517mm) of precipitation.Snowfall
In Jamestown, snow does not fall in April through October.Daylight
The month with the longest days is June, with an average of 14h and 42min of daylight.On the first day of the month, sunrise is at 5:48 am and sunset at 8:22 pm. On the last day of June, sunrise is at 5:50 am and sunset at 8:31 pm EDT.
Sunshine
In June, the average sunshine is 10.6h.UV index
With an average maximum UV index of 7, June is the month with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In June, the maximum UV index of 7 suggests these recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. 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
Is it hot during June?
What is the average humidity in June?
How many days does it rain in June?
When it does not snow?
When are the longest days?
How many hours of daylight does Jamestown have in June?
When are sunrise and sunset in June?
How long on average sun shines in June?
When is the highest UV index?
What is the UV index reading in June?
Average temperature in June
Jamestown, VA
- Average high temperature in June: 83.8°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in June: 66.6°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in June
Jamestown, VA
- Average pressure in June: 29.95"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in June
Jamestown, VA
- Average wind speed in June: 6.9mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in June
Jamestown, VA
- Average humidity in June: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in June
Jamestown, VA
- Average rainfall in June: 1.85"
The wettest month (with the highest rainfall) is August (2.36").
The driest months (with the least rainfall) are October and December (1.38").
Average rainfall days in June
Jamestown, VA
- Average rainfall days in June: 14.8 days
The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in June
Jamestown, VA
- Average snowfall in June: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in June
Jamestown, VA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in June /
Average sunshine in June
Jamestown, VA
- Average daylight in June: 14h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in June: 10h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in June
Jamestown, VA
- Average sunshine days in June: 12.3 days
The months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is August (12.2 days).
Average UV index in June
Jamestown, VA
- Average UV index in June: 7
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in June
Jamestown, VA
- Average cloud cover in June: 30
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in June
Jamestown, VA
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Jamestown, Virginia, USA
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