McDonough weather in March

In March, McDonough sees average daytime highs of 65°F and overnight lows near 45°F, with 4.3 in of precipitation across 9.9 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 62°F in the first days to 69°F by the end. The sky is clear or mostly clear about 36% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is McDonough's 6th-clearest and 2nd-windiest month. For the whole year in context, see McDonough's year-round climate.

Daytime high
65°
8th warmest
Overnight low
45°
5th coldest
Precipitation
4.3 in
9.9 wet days
Daylight
11 h 42 min
6:54 AM – 6:39 PM
Cloud cover
57%
6th clearest
Wind
8 mph
2nd windiest
Solar energy
4.46 kWh/m²
Travel score
6.0
out of 10

McDonough is city in and the county seat of Henry County, Georgia, United States.

Density
706/km²
people per km²

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 62°F in the first days to 69°F by the end.

A typical March day in McDonough reaches about 65°F in the afternoon and slips back to 45°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 53°F and 77°F. Set against its neighbours, March runs about 7°F warmer than February and about 8°F cooler than April.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16142
26242
36242
46242
56242
66342
76342
86343
96343
106443
116444
126444
136544
146544
156545
166545
176545
186646
196646
206646
216746
226747
236747
246747
256847
266847
276848
286948
296948
306948
316949

How March really feels in McDonough

Once humidity and wind are folded in, March 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

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

McDonough weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan54° / 36°4.010.10.6103.3
Feb58° / 39°4.39.50.310.84.3
Mar65° / 45°4.39.90.111.76.0
Apr73° / 52°3.18.8012.87.0
May81° / 61°2.99.5013.76.4
Jun87° / 69°3.813.9014.24.4
Jul89° / 72°4.015.30143.7
Aug88° / 71°3.813013.24.1
Sep83° / 65°3.68.6012.26.1
Oct74° / 53°2.96.6011.27.5
Nov64° / 43°3.68.2010.36.1
Dec56° / 38°4.29.70.29.83.8

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 12% of March, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34852
44951
54951
65050
75050
85050
95050
105050
114951
124951
134951
144951
154852
164852
174852
184753
194753
204852
214852
224852
234852
244753
254852
264951
274951
284951
294951
304951
314951

Chance of precipitation in March

Any precipitation

McDonough gets around 4.3 in of rain and snow over 9.9 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 31% and peaks near 34% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
134
234
333
432
532
632
731
831
931
1031
1130
1230
1330
1430
1530
1630
1730
1830
1930
2030
2131
2231
2331
2431
2531
2631
2732
2832
2932
3032
3132

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
18983
28983
38983
48893
58893
688102
788102
887112
987112
1086122
1186122
1285132
1385132
1485132
1585132
1685132
1785132
1884133
1984133
2084133
2184133
2283134
2383134
2483134
2582144
2681145
2781145
2880155
2979156
3079156
3177167

Wind in March

Winds average 8 mph in March.

Across March, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
167light breeze
177light breeze
187light breeze
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 12 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over March. Sunrise moves from 7:13 AM to 6:33 AM, and sunset from 6:26 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:136:26
211.37:126:27
311.37:116:28
411.37:106:29
511.47:086:30
611.47:076:31
711.47:066:31
811.57:056:32
911.57:036:33
1011.57:026:34
1111.67:016:35
1211.66:596:35
1311.66:586:36
1411.76:576:37
1511.76:556:38
1611.76:546:39
1711.86:536:39
1811.86:516:40
1911.86:506:41
2011.96:496:42
2111.96:476:42
2212.06:466:43
2312.06:446:44
2412.06:436:45
2512.16:426:45
2612.16:406:46
2712.16:396:47
2812.26:376:48
2912.26:366:48
3012.26:356:49
3112.36:336:50

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.46 kWh/m².

For context, solar energy here swings from a low near 2.36 kWh/m² to a high of 6.12 kWh/m² in May across the year — March's 4.46 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
13.9Moderate
24.0Moderate
34.0Bright
44.1Bright
54.1Bright
64.2Bright
74.2Bright
84.3Bright
94.3Bright
104.3Bright
114.4Bright
124.4Bright
134.4Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.6Bright
194.6Bright
204.6Bright
214.7Bright
224.7Bright
234.7Bright
244.8Bright
254.8Bright
264.8Bright
274.9Bright
284.9Bright
294.9Bright
305.0Bright
315.0Bright
Planning a trip in March

Is March a good time to visit McDonough?

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

6.0
Sightseeing
6th-best month of the year
2.4
Beach & pool
8th-best month of the year

March is a reasonable time to visit McDonough for sightseeing.

What to pack for McDonough in March

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

In March, McDonough sees daytime highs around 65°F and nights near 45°F. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in McDonough in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in McDonough peaks around June 23 at about 9 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 23UV 9Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in McDonough in March

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in McDonough is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (January, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1621 µg/m³Jan 118 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar13Moderate
Apr12Moderate
May15Moderate
Jun18Moderate
Jul21Moderate
Aug18Moderate
Sep13Moderate
Oct11Good
Nov10Good
Dec8Good
Location & terrain

Where is McDonough?

McDonough sits at 33.4°N, 84.1°W, 866 ft above sea level, in United States. The nearest listed city is Stockbridge, 8.1 mi away.

Topography around McDonough

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

Within 2 miles, the terrain around McDonough has only modest variations in elevation — a maximum elevation change of 207 ft around an average of 823 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 489 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,490 ft.

The land around McDonough is covered by trees (56%) and artificial surfaces (22%) within 2 miles, trees (68%) and grassland (21%) within 10 miles, and trees (82%) within 50 miles.

2 miles
207 ft
10 miles
489 ft
50 miles
1,490 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Stockbridge 8.1 mi · Griffin 16 mi · Conyers 17 mi · Forest Park 17 mi · Riverdale 17 mi · Fayetteville 18 mi · Stonecrest 18 mi · Candler-McAfee 21 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 McDonough (33.4473°, -84.1469°, elevation 866 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).