Union City climate

Union City Weather in April

NOAA 1991-2020 normals for Fremont, 6 km from Union City

Average highs run from 66°F on April 1 to 69°F on April 30, and lows from 47°F to 50°F. Normal precipitation for the month is 1.22 in over about 6 wet days.

April day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Union City, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
68°F
Average low
48°F
Precipitation
1.22 in
Record high
95°FApr 20, 2009
Record low
36°FApr 9, 1999
Chance of a freeze
0%
Daylight
12 h 38 min to 13 h 43 min
Cloud cover
42%
Humidity
79%
Dew point
46°F
Wind
7.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Apr 166°F47°F85°F 200039°F 199927%
Apr 267°F47°F83°F 200041°F 199927%
Apr 367°F47°F76°F 202640°F 200126%
Apr 467°F47°F80°F 202637°F 202326%
Apr 567°F47°F82°F 202640°F 201226%
Apr 667°F47°F86°F 201638°F 201225%
Apr 767°F48°F89°F 202238°F 200825%
Apr 867°F48°F79°F 201439°F 200124%
Apr 967°F48°F79°F 202536°F 199924%
Apr 1067°F48°F80°F 201343°F 199923%
Apr 1167°F48°F80°F 200843°F 200923%
Apr 1267°F48°F86°F 200841°F 202222%
Apr 1367°F48°F84°F 200841°F 202322%
Apr 1468°F48°F84°F 199943°F 200121%
Apr 1568°F48°F84°F 199942°F 200121%
Apr 1668°F48°F84°F 199940°F 200820%
Apr 1768°F48°F83°F 201641°F 201820%
Apr 1868°F48°F84°F 201641°F 202219%
Apr 1968°F49°F88°F 200943°F 201818%
Apr 2068°F49°F95°F 200940°F 200818%
Apr 2168°F49°F92°F 200939°F 200817%
Apr 2268°F49°F86°F 201345°F 200417%
Apr 2368°F49°F86°F 201943°F 201417%
Apr 2469°F49°F84°F 201939°F 200816%
Apr 2569°F49°F86°F 200444°F 200816%
Apr 2669°F49°F91°F 200441°F 201415%
Apr 2769°F50°F87°F 200444°F 200315%
Apr 2869°F50°F84°F 200743°F 199914%
Apr 2969°F50°F84°F 201443°F 201014%
Apr 3069°F50°F89°F 201545°F 200214%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Union City, in percent.01020301102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (PDT).

April 1
sunrise 6:53 AM, sunset 7:31 PM
April 30
sunrise 6:14 AM, sunset 7:57 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00043244 (Fremont), public domain. Records: NOAA GHCN-Daily, station USW00093228, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.