April weather forecastHayward, CA
April
Weather in April
April sees drastic changes in weather conditions in Hayward. Temperatures continue their upward trend, while rainfall takes a nosedive, and the number of rainy days reduces by half. The humidity sees a reduction and the city gets more daylight, indicating that summer is on the horizon. In April, Hayward's average rainfall drops to 0.63" (16mm), underscoring the onset of the dry phase. As cloud coverage decreases, wind speeds follow a similar pattern, reflecting distinctly calmer conditions compared to the preceding months.Temperature
April commences with an average high-temperature of a still comfortable 66.2°F (19°C), showing little deviation from March's 61.9°F (16.6°C). April brings Hayward a consistent average low-temperature of 46.4°F (8°C).Humidity
In April, the average relative humidity is 70%.Rainfall
In Hayward, in April, it is raining for 7 days, with typically 0.63" (16mm) of accumulated precipitation. In Hayward, California, during the entire year, the rain falls for 69.2 days and collects up to 11.1" (282mm) of precipitation.Daylight
In April, the average length of the day is 13h and 12min.On the first day of the month, sunrise is at 6:52 am and sunset at 7:31 pm. On the last day of April, sunrise is at 6:12 am and sunset at 7:58 pm PDT.
Sunshine
The average sunshine in April is 10.5h.UV index
The average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 5 during April translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. 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 April
Hayward, CA
- Average high temperature in April: 66.2°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 April: 46.4°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 April
Hayward, CA
- Average pressure in April: 30.03"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 April
Hayward, CA
- Average wind speed in April: 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 April
Hayward, CA
- Average humidity in April: 70%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (61%).
Average rainfall in April
Hayward, CA
- Average rainfall in April: 0.63"
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 April
Hayward, CA
- Average rainfall days in April: 7 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 April /
Average sunshine in April
Hayward, CA
- Average daylight in April: 13h and 12min
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 April: 10h and 30min
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 April
Hayward, CA
- Average sunshine days in April: 22.1 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 April
Hayward, CA
- Average UV index in April: 5
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 April
Hayward, CA
- Average cloud cover in April: 26
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 April
Hayward, CA
- Average visibility in April: 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).
