Marietta weather in April

In April, Marietta sees average daytime highs of 72°F and overnight lows near 51°F, with 4.0 in of rain across 9.6 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 69°F in the first days to 74°F by the end. The sky is clear or mostly clear about 35% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 18 min by month's end. Set against the rest of the year, April is Marietta's 4th-clearest and 5th-windiest month. For the whole year in context, see Marietta's year-round climate.

Daytime high
72°
7th warmest
Overnight low
51°
6th coldest
Rainfall
4.0 in
9.6 wet days
Daylight
12 h 48 min
6:13 AM – 7:04 PM
Cloud cover
55%
4th clearest
Wind
7 mph
5th windiest
Solar energy
5.54 kWh/m²
Travel score
6.7
out of 10

Marietta is city and county seat of Cobb County, Georgia, United States.

Density
984/km²
people per km²
Founded
1834

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 69°F in the first days to 74°F by the end.

A typical April day in Marietta reaches about 72°F in the afternoon and slips back to 51°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 61°F and 81°F. Set against its neighbours, April runs about 8°F warmer than March and about 7°F cooler than May.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
16848
26848
36948
46949
56949
66949
77049
87049
97050
107150
117150
127151
137151
147251
157251
167251
177252
187252
197352
207352
217353
227353
237353
247453
257454
267454
277454
287454
297555
307555

How April really feels in Marietta

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

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

Marietta weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan52° / 34°4.510.40.7102.7
Feb56° / 37°4.5100.510.73.7
Mar64° / 44°4.710.30.111.75.6
Apr72° / 51°4.09.6012.86.7
May79° / 60°3.410.2013.76.6
Jun85° / 68°4.013.6014.24.8
Jul88° / 71°4.214.50144.1
Aug87° / 70°3.912.6013.34.5
Sep82° / 64°3.68.6012.26.4
Oct72° / 53°3.37.1011.17.3
Nov62° / 42°3.98.2010.25.7
Dec54° / 37°4.510.20.39.83.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24753
34654
44753
54753
64654
74753
84852
94852
104852
114852
124852
134951
145050
154951
164951
175050
185050
195050
205149
215149
225248
235248
245248
255347
265347
275347
285347
295347
305347

Chance of precipitation in April

Any precipitation

Marietta gets around 4.0 in of rain over 9.6 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
133
234
334
434
534
634
734
833
933
1033
1133
1233
1332
1432
1532
1632
1732
1832
1931
2031
2131
2231
2331
2431
2531
2632
2732
2832
2932
3032

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1791650
2771760
3761770
4761770
5751780
6741790
7741790
87317100
97218100
107118110
117118110
127018120
137018120
146919120
156919120
166820120
176820120
186721120
196622120
206622120
216523120
226423121
236323131
246224131
256124141
266024142
275924152
285625163
295625163
305425174

Wind in April

Winds average 7 mph in April.

Across April, daily wind ranges from about 7 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
17light breeze
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over April. Sunrise moves from 6:33 AM to 5:56 AM, and sunset from 6:52 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:336:52
212.46:326:53
312.46:316:54
412.46:296:55
512.56:286:55
612.56:266:56
712.56:256:57
812.66:246:58
912.66:226:58
1012.66:216:59
1112.76:207:00
1212.76:187:01
1312.76:177:01
1412.86:167:02
1512.86:147:03
1612.86:137:04
1712.96:127:05
1812.96:107:05
1912.96:097:06
2013.06:087:07
2113.06:077:08
2213.06:067:08
2313.16:047:09
2413.16:037:10
2513.16:027:11
2613.26:017:12
2713.26:007:12
2813.25:597:13
2913.35:577:14
3013.35:567:15

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.54 kWh/m².

For context, solar energy here swings from a low near 2.28 kWh/m² to a high of 6.04 kWh/m² in May across the year — April's 5.54 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.1Bright
45.1Bright
55.1Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.5Bright
145.5Bright
155.5Bright
165.6Bright
175.6Bright
185.6Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in April

Is April a good time to visit Marietta?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.7
Sightseeing
2nd-best month of the year
4.7
Beach & pool
7th-best month of the year

April is a reasonable time to visit Marietta for sightseeing.

What to pack for Marietta in April

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

In April, Marietta sees daytime highs around 72°F and nights near 51°F. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Marietta in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks 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 Marietta peaks around July 10 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 10UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug8Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Marietta in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Marietta 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodJul 1620 µg/m³Jan 118 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Moderate
Apr12Good
May14Moderate
Jun17Moderate
Jul21Moderate
Aug17Moderate
Sep13Moderate
Oct10Good
Nov9Good
Dec8Good
Location & terrain

Where is Marietta?

Marietta sits at 34.0°N, 84.5°W, 1,129 ft above sea level, in United States. The nearest listed city is Smyrna, 5.0 mi away.

Topography around Marietta

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

Within 2 miles, the terrain around Marietta has only modest variations in elevation — a maximum elevation change of 256 ft around an average of 1,109 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,247 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,061 ft.

The land around Marietta is covered by trees (53%) and artificial surfaces (39%) within 2 miles, trees (73%) within 10 miles, and trees (82%) within 50 miles.

2 miles
256 ft
10 miles
1,247 ft
50 miles
3,061 ft
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Smyrna 5.0 mi · Kennesaw 6.2 mi · Mableton 9.3 mi · Sandy Springs 9.9 mi · Woodstock 11 mi · Acworth 11 mi · Roswell 12 mi · Dunwoody 12 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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 Marietta (33.9526°, -84.5499°, elevation 1,129 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).