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 sees a temperature increase, moving from an agreeable 73°F (22.8°C) in May to a warm 83.8°F (28.8°C). From the height of daytime heat, the temperature recedes to an average of 56.8°F (13.8°C) at night during June.Heat index
In June, the heat index is calculated to be 82.4°F (28°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
In Jamestown, the average relative humidity in June is 41%.Rainfall
In Jamestown, in June, it is raining for 2.2 days, with typically 0.2" (5mm) of accumulated precipitation. Throughout the year, in Jamestown, there are 76.7 rainfall days, and 23.9" (607mm) of precipitation is accumulated.Snowfall
In Jamestown, snow does not fall in April through October.Daylight
June has the longest days of the year, with an average of 14h and 48min of daylight.On the first day of June, sunrise is at 5:40 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:28 pm PDT.
Sunshine
In June, the average sunshine is 11.9h.UV index
June and July, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In June, a daily maximum UV index of 7 leads to the following instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
How hot is it in Jamestown in June?
What is the average humidity in June in Jamestown?
How many days does it rain in June in Jamestown?
When it does not snow in Jamestown?
When are the longest days in Jamestown?
What is the average length of the day in June in Jamestown?
What time are sunrise and sunset in June in Jamestown?
How long on average sun shines in June in Jamestown?
What are the months with the highest UV index in Jamestown?
How high is the UV index in June in Jamestown?
Average temperature in June
Jamestown, CA
- Average high temperature in June: 83.8°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is December (52.9°F).
- Average low temperature in June: 56.8°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in June
Jamestown, CA
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Jamestown, CA
- Average wind speed in June: 5.5mph
The windiest months (with the highest average wind speed) are February, March and April (5.7mph).
The calmest months (with the lowest average wind speed) are November and December (4.7mph).
Average humidity in June
Jamestown, CA
- Average humidity in June: 41%
The month with the highest relative humidity is March (70%).
The month with the lowest relative humidity is July (32%).
Average rainfall in June
Jamestown, CA
- Average rainfall in June: 0.2"
The wettest month (with the highest rainfall) is March (4.76").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in June
Jamestown, CA
- Average rainfall days in June: 2.2 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (1.4 days).
Average snowfall in June
Jamestown, CA
- Average snowfall in June: 0"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in June
Jamestown, CA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Jamestown, CA
- Average daylight in June: 14h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in June: 11h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in June
Jamestown, CA
- Average sunshine days in June: 27.1 days
The months with the most sunshine days are July and August (28.4 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in June
Jamestown, CA
- Average UV index in June: 7
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in June
Jamestown, CA
- Average cloud cover in June: 9
The month with the most cloud cover is March (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in June
Jamestown, CA
- 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, California, USA
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