June weather forecastHayward, CA
June
Weather in June
June marks the onset of summers in Hayward with warm temperatures and noticeably dry conditions. With an insignificant amount of rainfall, the place visibly transitions into sunny Californian conditions. The prevailing high pressure considerably lowers the relative humidity, and the persistent sunshine further elevates temperatures. June records the lowest average rainfall in Hayward, at a mere 0.12" (3mm), displayed with extended sunny days. The wind speeds maintain a steady decline, and the city basks in the warmth of the longest days of the year.Temperature
The coming of June brings a minor shift in Hayward's weather, with average high-temperatures adjusting from May's agreeable 70.3°F (21.3°C) to a warm 77°F (25°C). Contrasting the daytime warmth, Hayward's June nights cool down to an average of 53.6°F (12°C).Humidity
The average relative humidity in June is 63%.Rainfall
In Hayward, during June, the rain falls for 1.6 days and regularly aggregates up to 0.12" (3mm) of precipitation. Throughout the year, there are 69.2 rainfall days, and 11.1" (282mm) of precipitation is accumulated.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 5:47 am and sunset at 8:24 pm. On the last day of June, sunrise is at 5:50 am and sunset at 8:34 pm PDT.
Sunshine
In June, the average sunshine is 11.8h.UV index
The month with the highest UV index is June, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 6 during June morphs into the following directions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Hayward, CA
- Average high temperature in June: 77°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (55.9°F).
- Average low temperature in June: 53.6°F
The month with the highest average low temperature is August (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (43.7°F).
Average pressure in June
Hayward, CA
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in June
Hayward, CA
- Average wind speed in June: 6.3mph
The windiest month (with the highest average wind speed) is May (6.6mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).
Average humidity in June
Hayward, CA
- Average humidity in June: 63%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (61%).
Average rainfall in June
Hayward, CA
- Average rainfall in June: 0.12"
The wettest month (with the highest rainfall) is February (2.28").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in June
Hayward, CA
- Average rainfall days in June: 1.6 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (0.9 days).
Average daylight in June /
Average sunshine in June
Hayward, 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 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in June
Hayward, CA
- Average sunshine days in June: 27.3 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is March (17.3 days).
Average UV index in June
Hayward, CA
- Average UV index in June: 6
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in June
Hayward, CA
- Average cloud cover in June: 12
The months with the most cloud cover are March and December (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in June
Hayward, 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).
