Milton weather in January

In January, Milton sees average daytime highs of 51°F and overnight lows near 34°F, with 5.2 in of precipitation across 11 wet days and about 10 hours of daylight. It is the 12th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 51°F through the month. The sky is clear or mostly clear about 35% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of January to 10 h 18 min by month's end. Set against the rest of the year, January is Milton's 7th-clearest and 1st-windiest month. For the whole year in context, see Milton's year-round climate.

Daytime high
51°
12th warmest
Overnight low
34°
1st coldest
Precipitation
5.2 in
11 wet days
Daylight
10 hours
7:48 AM – 5:45 PM
Cloud cover
59%
7th clearest
Wind
7 mph
1st windiest
Solar energy
2.57 kWh/m²
Travel score
2.4
out of 10

Milton is city in Fulton County, Georgia, United States.

Density
370/km²
people per km²
Founded
2006

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 51°F through the month.

A typical January day in Milton reaches about 51°F in the afternoon and slips back to 34°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 38°F and 63°F. Set against its neighbours, January runs about 2°F cooler than December and about 4°F cooler than February.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
15135
25135
35135
45135
55135
65135
75135
85134
95134
105134
115134
125134
135034
145034
155033
165033
175033
185033
195033
205033
215033
225133
235133
245133
255133
265133
275133
285133
295134
305234
315234

How January really feels in Milton

Once humidity and wind are folded in, January averages 0 days that feel above 90°F and 31 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
31
wind chill below the day's low

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Milton weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan51° / 34°5.2110.8102.4
Feb55° / 37°5.010.50.910.73.3
Mar62° / 43°5.210.80.111.75.3
Apr70° / 51°4.510012.86.6
May78° / 59°3.710013.86.8
Jun84° / 67°4.113.6014.25.2
Jul87° / 70°4.214.20144.4
Aug86° / 69°4.212.7013.34.8
Sep81° / 63°3.68.1012.26.7
Oct71° / 52°3.67.4011.17.2
Nov61° / 42°4.38.7010.25.3
Dec53° / 36°5.210.70.49.83.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44258
54258
64258
74258
84258
94357
104357
114357
124555
134555
144555
154654
164654
174852
184852
194951
205050
215050
225050
234951
245050
254951
264951
274951
284951
294753
304753
314654

Chance of precipitation in January

Any precipitationSnow

Milton gets around 5.2 in of rain and snow over 11 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 38% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1352
2362
3362
4362
5362
6372
7372
8373
9373
10383
11383
12383
13383
14383
15373
16373
17373
18363
19363
20353
21353
22343
23343
24343
25343
26333
27333
28333
29333
30333
31333

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19541
29541
39541
49541
59541
69541
79541
89541
99541
109541
119541
129541
139730
149730
159730
169730
179730
189730
199730
209730
219820
229820
239820
249820
259820
269820
279820
289820
299820
309820
319730

Wind in January

Winds average 7 mph in January, the windiest month of the year.

Across January, 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.

0246810151015202531
Wind speed (mph)Feels
17calm
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
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 48 min at the start of January to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over January. Sunrise moves from 7:48 AM to 7:42 AM, and sunset from 5:33 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.87:485:33
29.87:485:34
39.87:485:35
49.87:485:35
59.87:485:36
69.87:485:37
79.87:485:38
89.87:485:38
99.87:485:39
109.97:485:40
119.97:485:41
129.97:485:42
139.97:485:43
149.97:485:43
159.97:485:44
1610.07:485:45
1710.07:485:46
1810.07:475:47
1910.07:475:48
2010.07:475:49
2110.17:465:50
2210.17:465:51
2310.17:465:52
2410.17:455:53
2510.17:455:54
2610.27:445:55
2710.27:445:55
2810.27:435:56
2910.27:435:57
3010.37:425:58
3110.37:425:59

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.57 kWh/m².

For context, solar energy here swings from a low near 2.26 kWh/m² to a high of 6.04 kWh/m² in June across the year — January's 2.57 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.3Moderate
62.3Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.8Moderate
272.9Moderate
282.9Moderate
292.9Moderate
302.9Moderate
312.9Moderate
Planning a trip in January

Is January a good time to visit Milton?

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

2.4
Sightseeing
12th-best month of the year
0.0
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Milton.

What to pack for Milton in January

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

In January, Milton sees daytime highs around 51°F and nights near 34°F. Pack a warm layer. Worth having: rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Milton in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Milton 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 Milton in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Milton is worst in July — around 19 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (January, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1618 µg/m³Jan 106 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar11Good
Apr12Good
May13Moderate
Jun16Moderate
Jul19Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec6Good
Location & terrain

Where is Milton?

Milton sits at 34.1°N, 84.3°W, 981 ft above sea level, in United States. The nearest listed city is Alpharetta, 3.7 mi away.

Topography around Milton

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

Within 2 miles, the terrain around Milton has only modest variations in elevation — a maximum elevation change of 295 ft around an average of 1,073 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 846 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,885 ft.

The land around Milton is covered by trees (78%) within 2 miles, trees (71%) within 10 miles, and trees (83%) within 50 miles.

2 miles
295 ft
10 miles
846 ft
50 miles
3,885 ft
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Alpharetta 3.7 mi · Roswell 8.1 mi · Johns Creek 9.3 mi · Peachtree Corners 12 mi · Duluth 12 mi · Woodstock 12 mi · Dunwoody 13 mi · Canton 13 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 Milton (34.1322°, -84.3007°, elevation 981 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).