June weather forecastJamestown, KS
June
Weather in June
The first month of the summer, June, is a hot month in Jamestown, Kansas, with an average temperature fluctuating between 86.5°F (30.3°C) and 66.7°F (19.3°C).Temperature
Jamestown experiences a temperature shift with the start of June, with average high-temperatures moving from an agreeable 73°F (22.8°C) in May to a tropical 86.5°F (30.3°C). Jamestown's nights in June cool down to an average low-temperature of 66.7°F (19.3°C).Heat index
June's average heat index is computed to be a torrid 95°F (35°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.
Humidity
In Jamestown, Kansas, the average relative humidity in June is 67%.Rainfall
In June, in Jamestown, the rain falls for 13.5 days. Throughout June, 2.87" (73mm) of precipitation is accumulated. In Jamestown, during the entire year, the rain falls for 106.2 days and collects up to 22.24" (565mm) of precipitation.Snowfall
June through September are months without snowfall in Jamestown, Kansas.Daylight
June has the longest days of the year, with an average of 14h and 54min of daylight.On the first day of the month, sunrise is at 6:05 am and sunset at 8:53 pm. On the last day of June, in Jamestown, sunrise is at 6:07 am and sunset at 9:03 pm CDT.
Sunshine
The month with the most sunshine in Jamestown is June, with an average of 10.9h of sunshine.UV index
June is the month with the highest UV index, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 7 in June translates into the following instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Jamestown, KS
- Average high temperature in June: 86.5°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in June: 66.7°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in June
Jamestown, KS
- Average pressure in June: 29.85"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in June
Jamestown, KS
- Average wind speed in June: 10.1mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in June
Jamestown, KS
- Average humidity in June: 67%
The months with the highest relative humidity are January and May (72%).
The month with the lowest relative humidity is October (62%).
Average rainfall in June
Jamestown, KS
- Average rainfall in June: 2.87"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in June
Jamestown, KS
- Average rainfall days in June: 13.5 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in June
Jamestown, KS
- Average snowfall in June: 0"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Jamestown, KS
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Jamestown, KS
- Average daylight in June: 14h and 54min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in June: 10h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in June
Jamestown, KS
- Average sunshine days in June: 14.2 days
The months with the most sunshine days are November and December (24.3 days).
The month with the least sunshine days is June (14.2 days).
Average UV index in June
Jamestown, KS
- 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, February, November and December (UV index 2).
Average cloud cover in June
Jamestown, KS
- Average cloud cover in June: 23
The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 23).
Average visibility in June
Jamestown, KS
- 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).





