Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
With the transition into April, Union City notes an average high-temperature of a still comfortable 65.8°F (18.8°C), closely resembling March. Union City experiences an average low-temperature of 46.6°F (8.1°C) in the month of April.Humidity
The average relative humidity in April is 70%.Rainfall
In Union City, California, in April, during 4.7 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. Throughout the year, there are 38 rainfall days, and 2.13" (54mm) of precipitation is accumulated.Daylight
The average length of the day in April in Union City 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, in Union City, sunrise is at 6:12 am and sunset at 7:57 pm PDT.
Sunshine
In Union City, the average sunshine in April is 10.5h.UV index
The average daily maximum UV index in April in Union City is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In April, an average UV index of 5 transforms into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What is the average April temperature in Union City?
What is the average humidity in April in Union City?
How much does it rain in Union City in April?
What is the average length of the day in April in Union City?
When are sunrise and sunset in April in Union City?
How long on average sun shines in April in Union City?
How high is the UV index in April in Union City?
Average temperature in April
Union City, CA
- Average high temperature in April: 65.8°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 April: 46.6°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 April
Union City, CA
- Average pressure in April: 30.03"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 April
Union City, CA
- Average wind speed in April: 6.2mph
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 April
Union City, CA
- Average humidity in April: 70%
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 April
Union City, CA
- Average rainfall in April: 0.12"
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 April
Union City, CA
- Average rainfall days in April: 4.7 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 April /
Average sunshine in April
Union City, CA
- Average daylight in April: 13h and 1min
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 3min
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 April
Union City, CA
- Average sunshine days in April: 24.8 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 April
Union City, CA
- Average UV index in April: 5
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 April
Union City, CA
- Average cloud cover in April: 26
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 April
Union City, 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).
Union City, California, USA
Weather forecast for your location
2. Allow the app to use your location
