June weather forecastUnion City, CA
June
Weather in June
June, the first month of the summer in Union City, is a warm month, with an average temperature ranging between max 76.8°F (24.9°C) and min 53.8°F (12.1°C).Temperature
A subtle rise in the average high-temperature is observed during June, adjusting from an agreeable 69.8°F (21°C) in May to a warm 76.8°F (24.9°C). Union City anticipates a considerable daily temperature fluctuation in June, with low temperatures averaging a fresh 53.8°F (12.1°C).Humidity
In June, the average relative humidity is 63%.Rainfall
In Union City, rain does not fall in June through August.Daylight
The month with the longest days is June, with an average of 14h and 42min of daylight.On the first day of June in Union City, sunrise is at 5:48 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:33 pm PDT.
Sunshine
The average sunshine in June is 11.8h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 6 in June transforms into this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Union City, CA
- Average high temperature in June: 76.8°F
The warmest months (with the highest average high temperature) are July and August (80.1°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in June: 53.8°F
The months with the highest average low temperature are August and September (56.7°F).
The coldest month (with the lowest average low temperature) is December (43.7°F).
Average pressure in June
Union City, CA
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in June
Union City, CA
- Average wind speed in June: 6.1mph
The windiest month (with the highest average wind speed) is May (6.4mph).
The calmest months (with the lowest average wind speed) are October and November (4.7mph).
Average humidity in June
Union City, CA
- Average humidity in June: 63%
The month with the highest relative humidity is March (73%).
The months with the lowest relative humidity are September and October (62%).
Average rainfall in June
Union City, CA
- Average rainfall in June: 0"
The wettest month (with the highest rainfall) is February (0.47").
The driest months (with the least rainfall) are June, July and August (0").
Average rainfall days in June
Union City, CA
- Average rainfall days in June: 0.6 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is July (0.3 days).
Average daylight in June /
Average sunshine in June
Union City, CA
- Average daylight in June: 14h and 42min
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 36min).
- Average sunshine in June: 11h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in June
Union City, CA
- Average sunshine days in June: 29 days
The months with the most sunshine days are July and August (30.4 days).
The month with the least sunshine days is February (22.2 days).
Average UV index in June
Union City, CA
- 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, November and December (UV index 3).
Average cloud cover in June
Union City, CA
- Average cloud cover in June: 12
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in June
Union City, 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).
