Union City in Spring

In spring (March, April and May), Union City sees average daytime highs around 73°F and overnight lows near 53°F, with 10.4 in of rain over about 28 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.

Over the season highs climb from about 62°F in early March to 84°F by late May. The sky is clear or mostly clear about 35% of the time across spring, and the air most often feels dry.

Spring is Union City's 2nd-best season to visit on our travel score. For the whole year in context, see Union City's year-round climate.

Avg daytime high: 73°F; 3rd-warmest season
Avg overnight low: 53°F
Rainfall: 10.4 in; 28 wet days
Avg wind: 7 mph
Travel score: 6.5; 2nd-best season
Months: Mar · Apr · May

← Winter Union City year-round climate Summer →

Spring Summer Fall Winter

Temperature in Union City in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 62°F in early March to 84°F by late May.

A typical spring day in Union City reaches about 73°F and drops to 53°F overnight. The warmest of the three months is May, the coolest March.

How spring really feels in Union City

Once humidity and wind are folded in, spring brings about 0 days that feel above 90°F and 0 that feel at or below 32°F.

Days feeling ≥ 90°F

heat index over the day's high

Days feeling ≤ 32°F

wind chill below the day's low

spring sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Union City weather by month

How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.

Month	High / Low (°F)	Rainfall (inches)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	54° / 35°	4.0	10.1	0.6	10	3.2
Feb	58° / 38°	4.3	9.6	0.3	10.8	4.2
Mar	65° / 45°	4.3	10.1	0.1	11.7	6.0
Apr	73° / 52°	3.2	8.5	0	12.8	7.0
May	81° / 61°	2.9	9.4	0	13.7	6.4
Jun	86° / 69°	3.7	14	0	14.2	4.4
Jul	89° / 72°	4.2	15.5	0	14	3.7
Aug	88° / 71°	3.8	13.2	0	13.2	4.1
Sep	83° / 65°	3.6	8.7	0	12.2	6.1
Oct	74° / 53°	2.8	6.7	0	11.2	7.5
Nov	64° / 43°	3.7	7.9	0	10.3	6.1
Dec	56° / 38°	4.1	10	0.2	9.8	3.8

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Union City gets around 10.4 in of rain over 28 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

Wind in Spring

Winds average 7 mph across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 12 min in early March to 14 hours by late May. The lit band spans sunrise to sunset each day.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.4 kWh/m².

Planning a trip in spring

Is spring a good time to visit Union City?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.5

Sightseeing

2nd-best month of the year

4.8

Beach & pool

3rd-best month of the year

spring is a reasonable time to visit Union City for sightseeing.

What to pack for Union City in Spring

From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In spring, Union City sees daytime highs around 73°F and nights near 53°F. Pack light clothes and sun protection. Worth having: a warm layer and rain gear. About 28 days see rain.

light clothessun protectiona warm layerrain gear

UV index in Union City in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Union City peaks around July 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	3	5	5	7	8	9	10	9	7	5	4	3
Level	Moderate	Moderate	High	Very high	Very high	Very high	Very high	Very high	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	3	Moderate
Feb	5	Moderate
Mar	5	High
Apr	7	Very high
May	8	Very high
Jun	9	Very high
Jul	10	Very high
Aug	9	Very high
Sep	7	Very high
Oct	5	High
Nov	4	Moderate
Dec	3	Moderate

Air quality in Union City in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.

Air quality in Union City is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (January, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	8	10	12	12	14	17	21	17	13	10	9	8
Level	Good	Good	Moderate	Good	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	8	Good
Feb	10	Good
Mar	12	Moderate
Apr	12	Good
May	14	Moderate
Jun	17	Moderate
Jul	21	Moderate
Aug	17	Moderate
Sep	13	Moderate
Oct	10	Good
Nov	9	Good
Dec	8	Good

Location & terrain

Where is Union City?

Union City sits at 33.6°N, 84.5°W, 968 ft above sea level, in United States. The nearest listed city is Riverdale, 7.5 mi away.

Topography around Union City

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Union City.

Within 2 miles, the terrain around Union City has only modest variations in elevation — a maximum elevation change of 223 ft around an average of 974 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 643 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,604 ft.

The land around Union City is covered by trees (62%) and artificial surfaces (25%) within 2 miles, trees (72%) within 10 miles, and trees (82%) within 50 miles.

2 miles

223 ft

trees 62%

10 miles

643 ft

trees 72%

50 miles

1,604 ft

trees 82%

treesgrasslandcroplandartificial surfacesbare terrainwater

← Winter Union City year-round climate Summer →

Spring weather nearby: Riverdale 7.5 mi · South Fulton 7.5 mi · East Point 8.7 mi · Forest Park 11 mi · Fayetteville 11 mi · Peachtree City 14 mi · Atlanta 14 mi · Lithia Springs 16 mi

United States travel facts

Power plugs: Type A / B; 120 V · 60 Hz
Prices: ≈ 100% of US; price level, 2025
GDP per capita: $90,027; 2025
Happiness: 6.8 / 10; World Happiness, 2025
Safe drinking water: 98%; of population, 2024
Homicide rate: 5.8; per 100k, 2023
Road deaths: 12.7; per 100k/yr, 2019
Income group: High; World Bank
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Union City (33.5871°, -84.5424°, elevation 968 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.