Hattiesburg weather in January

In January, Hattiesburg sees average daytime highs of 60°F and overnight lows near 40°F, with 4.4 in of precipitation across 9.5 wet days and about 10.2 hours of daylight. It is the 12th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 60°F through the month. The sky is clear or mostly clear about 37% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 hours at the start of January to 10 h 30 min by month's end. Set against the rest of the year, January is Hattiesburg's 6th-clearest and 3rd-windiest month. For the whole year in context, see Hattiesburg's year-round climate.

Daytime high
60°
12th warmest
Overnight low
40°
1st coldest
Precipitation
4.4 in
9.5 wet days
Daylight
10 h 12 min
7:01 AM – 5:12 PM
Cloud cover
56%
6th clearest
Wind
7 mph
3rd windiest
Solar energy
2.82 kWh/m²
Travel score
4.8
out of 10

Hattiesburg is city in Lamar County and Forrest County, Mississippi, United States; county seat of Forrest County, Mississippi.

Density
333/km²
people per km²
Founded
1882

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 60°F through the month.

A typical January day in Hattiesburg reaches about 60°F in the afternoon and slips back to 40°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 46°F and 72°F. Set against its neighbours, January runs about 2°F cooler than December and about 4°F cooler than February.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
15941
25941
35941
45941
55941
65940
75940
85940
95940
105940
115940
125940
135940
145940
155940
165940
175940
185940
195940
206040
216040
226040
236040
246040
256040
266040
276040
286040
296040
306040
316141

How January really feels in Hattiesburg

Once humidity and wind are folded in, January 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

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

Hattiesburg weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan60° / 40°4.49.510.24.8
Feb64° / 43°4.39.410.95.7
Mar70° / 49°4.69.911.86.6
Apr77° / 56°4.08.412.77.1
May84° / 64°4.010.113.65.6
Jun89° / 71°4.513.7143.7
Jul91° / 73°5.117.713.83.1
Aug91° / 72°4.515.813.13.2
Sep87° / 68°3.410.312.24.7
Oct79° / 57°3.36.911.27.3
Nov69° / 47°3.47.810.46.9
Dec62° / 42°4.49.5105.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34456
44555
54555
64555
74654
84654
94753
104753
114654
124852
134852
144852
154852
164951
174951
184951
194951
204951
214951
224951
234951
244951
254852
264753
274753
284852
294753
304654
314654

Chance of precipitation in January

Any precipitation

Hattiesburg gets around 4.4 in of rain and snow over 9.5 wet days in January. 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 33% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
133
233
333
433
533
632
732
831
931
1031
1130
1230
1330
1430
1530
1630
1730
1830
1930
2030
2130
2230
2330
2431
2531
2631
2731
2831
2931
3031
3131

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 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1799831
2809830
37910830
47910830
57910830
68010820
78010820
88010820
98010820
108010820
118110720
128110720
138110720
148110720
158110720
168210620
178210620
188210620
198310520
20849520
21849520
22849520
23849520
24858520
25858520
26858520
27858520
28858520
29858520
30858520
31848620

Wind in January

Winds average 7 mph in January.

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 10 hours at the start of January to 10 h 30 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 7:00 AM to 6:56 AM, and sunset from 5:00 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:005:00
210.07:015:01
310.07:015:01
410.07:015:02
510.07:015:03
610.07:015:04
710.07:025:04
810.17:025:05
910.17:025:06
1010.17:025:07
1110.17:025:07
1210.17:025:08
1310.17:025:09
1410.17:025:10
1510.27:015:11
1610.27:015:12
1710.27:015:12
1810.27:015:13
1910.27:015:14
2010.27:015:15
2110.37:005:16
2210.37:005:17
2310.37:005:18
2410.36:595:18
2510.36:595:19
2610.46:595:20
2710.46:585:21
2810.46:585:22
2910.46:575:23
3010.46:575:24
3110.56:565:25

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.82 kWh/m².

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 6.15 kWh/m² in May across the year — January's 2.82 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.9Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.1Moderate
283.1Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in January

Is January a good time to visit Hattiesburg?

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

4.8
Sightseeing
8th-best month of the year
0.2
Beach & pool
12th-best month of the year

January is a reasonable time to visit Hattiesburg for sightseeing.

What to pack for Hattiesburg in January

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

In January, Hattiesburg sees daytime highs around 60°F and nights near 40°F. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Hattiesburg in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hattiesburg 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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 10UV 10Dec 20UV 3
UV index (midday)Level
Jan4Moderate
Feb6High
Mar6High
Apr10Very high
May9Very high
Jun10Very high
Jul10Very high
Aug8Very high
Sep8Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Hattiesburg 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 Hattiesburg is worst in July — around 22 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1621 µg/m³Dec 227 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar16Moderate
Apr12Moderate
May14Moderate
Jun18Moderate
Jul22Moderate
Aug18Moderate
Sep13Moderate
Oct9Good
Nov8Good
Dec7Good
Location & terrain

Where is Hattiesburg?

Hattiesburg sits at 31.3°N, 89.3°W, 171 ft above sea level, in United States. The nearest listed city is Laurel, 27 mi away.

Topography around Hattiesburg

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

Within 2 miles, the terrain around Hattiesburg has only modest variations in elevation — a maximum elevation change of 128 ft around an average of 167 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 397 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 587 ft.

The land around Hattiesburg is covered by trees (59%) within 2 miles, trees (78%) within 10 miles, and trees (89%) within 50 miles.

2 miles
128 ft
10 miles
397 ft
50 miles
587 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Laurel 27 mi · West Gulfport 65 mi · Gulfport 67 mi · Long Beach 68 mi · Biloxi 69 mi · Ocean Springs 69 mi · Gautier 76 mi · Brandon 77 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 Hattiesburg (31.3271°, -89.2903°, elevation 171 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).