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 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, the average high-temperature subtly transitions from a moderately hot 75.7°F (24.3°C) in May to a still warm 81.7°F (27.6°C). The month of June sees a significant daily temperature drop, recording an average low-temperature of 58.8°F (14.9°C).Heat index
The heat index value for June is computed to be 84.2°F (29°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Be advised, the heat index considers values for conditions in shade and with a light breeze. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
May and June, with an average relative humidity of 56%, are the most humid months.Rainfall
The months with the least rainfall are June and August Rain falls for 1 days and accumulates 0.04" (1mm) of rain.Daylight
June has the longest days of the year in Walnut, California, with an average of 14h and 24min of daylight.On the first day of June in Walnut, sunrise is at 5:40 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:06 pm PDT.
Sunshine
In June, the average sunshine in Walnut is 12h.UV index
In June, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 6 during June morphs into the following directions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What is the average June temperature in Walnut?
What is the most humid month in Walnut?
What is the average humidity in June in Walnut?
What is the driest month in Walnut?
How many days does it rain in June in Walnut?
When are the longest days in Walnut?
How many hours of daylight does Walnut have in June?
When are sunrise and sunset in June in Walnut?
How many hours of sunshine does Walnut have in June?
What is the UV index reading in June in Walnut?
Average temperature in June
Walnut, CA
- Average high temperature in June: 81.7°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is December (63.7°F).
- Average low temperature in June: 58.8°F
The month with the highest average low temperature is August (66.2°F).
The coldest months (with the lowest average low temperature) are February and December (47.7°F).
Average pressure in June
Walnut, CA
- Average pressure in June: 29.87"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in June
Walnut, CA
- Average wind speed in June: 5.2mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in June
Walnut, CA
- Average humidity in June: 56%
The months with the highest relative humidity are May and June (56%).
The month with the lowest relative humidity is November (45%).
Average rainfall in June
Walnut, CA
- Average rainfall in June: 0.04"
The wettest month (with the highest rainfall) is December (1.57").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in June
Walnut, CA
- Average rainfall days in June: 1 days
The month with the highest number of rainy days is March (6.6 days).
The month with the least rainy days is June (1 days).
Average daylight in June /
Average sunshine in June
Walnut, CA
- Average daylight in June: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in June: 12h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in June
Walnut, CA
- Average sunshine days in June: 28.6 days
The month with the most sunshine days is June (28.6 days).
The month with the least sunshine days is February (22 days).
Average UV index in June
Walnut, CA
- Average UV index in June: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in June
Walnut, CA
- Average cloud cover in June: 9
The months with the most cloud cover are February, March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in June
Walnut, 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).
Walnut, California, USA
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