Greenville weather in January

In January, Greenville sees average daytime highs of 54°F and overnight lows near 37°F, with 4.7 in of precipitation across 9.9 wet days and about 10 hours of daylight. It is the 12th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 54°F through the month. The sky is clear or mostly clear about 36% 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 Greenville's 9th-clearest and 4th-windiest month. For the whole year in context, see Greenville's year-round climate.

Daytime high
54°
12th warmest
Overnight low
37°
1st coldest
Precipitation
4.7 in
9.9 wet days
Daylight
10 hours
7:13 AM – 5:14 PM
Cloud cover
57%
9th clearest
Wind
8 mph
4th windiest
Solar energy
2.6 kWh/m²
Travel score
3.3
out of 10

Greenville is city in Washington County, Mississippi, United States.

Density
449/km²
people per km²
Founded
1824

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 54°F through the month.

A typical January day in Greenville reaches about 54°F in the afternoon and slips back to 37°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 39°F and 68°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)
15438
25338
35338
45338
55337
65337
75337
85337
95337
105337
115337
125337
135337
145337
155337
165337
175337
185437
195437
205437
215437
225437
235437
245437
255437
265537
275537
285537
295537
305538
315538

How January really feels in Greenville

Once humidity and wind are folded in, January averages 0 days that feel above 90°F and 29 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
29
wind chill below the day's low

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

Greenville weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan54° / 37°4.79.9103.3
Feb58° / 40°4.99.610.84.2
Mar66° / 48°5.311.211.76.0
Apr74° / 56°5.39.512.86.9
May82° / 65°4.710.813.76.2
Jun88° / 72°3.49.714.24.6
Jul90° / 75°3.410.9143.8
Aug91° / 74°3.18.913.23.9
Sep86° / 68°3.16.412.25.7
Oct75° / 56°4.27.611.27.4
Nov64° / 46°3.88.710.36.1
Dec56° / 39°5.29.79.83.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34357
44357
54357
64456
74456
84357
94357
104357
114357
124456
134456
144555
154555
164555
174555
184753
194753
204753
214852
224852
234951
245050
255050
265050
275050
285050
294951
304951
314951

Chance of precipitation in January

Any precipitationSnow

Greenville gets around 4.7 in of rain and snow over 9.9 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 32% and peaks near 33% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1311
2311
3311
4311
5311
6311
7311
8321
9321
10321
11332
12332
13332
14332
15332
16332
17331
18331
19332
20332
21332
22332
23332
24332
25331
26331
27321
28321
29321
30312
31312

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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
188741
288741
389740
488750
588750
688750
789740
889740
990640
1090640
1190640
1290640
1392530
1492530
1592530
1692530
1792530
1892530
1993520
2094420
2194420
2294420
2394420
2494420
2594420
2694420
2794420
2893421
2992431
3091531
3191531

Wind in January

Winds average 8 mph in January.

Across January, daily wind ranges from about 8 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
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

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 7:13 AM to 7:07 AM, and sunset from 5:02 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.87:135:02
29.87:135:03
39.87:135:03
49.87:135:04
59.97:135:05
69.97:145:06
79.97:145:06
89.97:145:07
99.97:145:08
109.97:145:09
119.97:145:10
129.97:145:10
1310.07:145:11
1410.07:135:12
1510.07:135:13
1610.07:135:14
1710.07:135:15
1810.07:135:16
1910.17:125:17
2010.17:125:17
2110.17:125:18
2210.17:125:19
2310.27:115:20
2410.27:115:21
2510.27:105:22
2610.27:105:23
2710.27:105:24
2810.37:095:25
2910.37:085:26
3010.37:085:27
3110.37:075:28

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.6 kWh/m².

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 6.52 kWh/m² in June across the year — January's 2.6 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.7Moderate
212.7Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.9Moderate
272.9Moderate
282.9Moderate
292.9Moderate
303.0Moderate
313.0Moderate
Planning a trip in January

Hazard calendar for Greenville

In seasonPeak

None of Greenville's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Greenville sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Greenville?

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

3.3
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 Greenville.

What to pack for Greenville in January

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

In January, Greenville sees daytime highs around 54°F and nights near 37°F. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Greenville 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 Greenville peaks around June 20 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 highHighModerateJun 20UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr9Very high
May9Very high
Jun10Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Greenville 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 Greenville is worst in July — around 21 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1520 µg/m³Dec 186 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar10Good
Apr10Good
May14Moderate
Jun18Moderate
Jul21Moderate
Aug16Moderate
Sep12Moderate
Oct8Good
Nov7Good
Dec6Good
Location & terrain

Where is Greenville?

Greenville sits at 33.4°N, 91.1°W, 131 ft above sea level, in United States. The nearest listed city is Greenwood, 52 mi away.

Topography around Greenville

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

Within 2 miles, the terrain around Greenville has only modest variations in elevation — a maximum elevation change of 95 ft around an average of 128 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 138 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 371 ft.

The land around Greenville is covered by trees (53%) within 2 miles, cropland (45%) and trees (34%) within 10 miles, and cropland (55%) and trees (35%) within 50 miles.

2 miles
95 ft
10 miles
138 ft
50 miles
371 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Greenwood 52 mi · Clarksdale 62 mi · Vicksburg 74 mi · Pine Bluff 78 mi · Clinton 85 mi · Madison 85 mi · Ridgeland 86 mi · Monroe 88 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 Greenville (33.409°, -91.0598°, elevation 131 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).