Dublin weather in January

In January, Dublin sees average daytime highs of 59°F and overnight lows near 38°F, with 3.7 in of precipitation across 9.2 wet days and about 10.1 hours of daylight. It is the 12th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 59°F through the month. The sky is clear or mostly clear about 39% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 54 min at the start of January to 10 h 24 min by month's end. Set against the rest of the year, January is Dublin's 7th-clearest and 2nd-windiest month. For the whole year in context, see Dublin's year-round climate.

Daytime high
59°
12th warmest
Overnight low
38°
1st coldest
Precipitation
3.7 in
9.2 wet days
Daylight
10 h 06 min
7:39 AM – 5:43 PM
Cloud cover
55%
7th clearest
Wind
7 mph
2nd windiest
Solar energy
2.82 kWh/m²
Travel score
4.6
out of 10

Dublin is city in and the county seat of Laurens County, Georgia, United States.

Density
390/km²
people per km²
Founded
1812

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 59°F through the month.

A typical January day in Dublin reaches about 59°F in the afternoon and slips back to 38°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 46°F and 71°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)
15940
25940
35940
45939
55939
65939
75939
85939
95939
105939
115939
125938
135938
145938
155938
165838
175838
185838
195838
205838
215838
225838
235938
245938
255938
265938
275938
285938
295938
305938
315938

How January really feels in Dublin

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.

Dublin 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
Jan59° / 38°3.79.210.14.6
Feb63° / 42°3.88.210.85.6
Mar70° / 47°3.88.811.86.8
Apr78° / 55°3.27.912.87.2
May85° / 64°2.27.813.65.8
Jun89° / 71°4.114.114.13.7
Jul92° / 74°3.915.613.92.8
Aug91° / 73°3.814.813.23.1
Sep86° / 68°3.69.312.25.0
Oct78° / 56°2.76.211.27.5
Nov68° / 46°2.76.710.36.9
Dec61° / 41°3.58.49.95.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 9% of January, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24555
34555
44555
54555
64555
74654
84654
94753
104852
114951
124852
134951
145050
155050
165149
175149
185149
195149
205149
215248
225149
235149
245149
255050
265050
274951
284852
294852
304753
314654

Chance of precipitation in January

Any precipitation

Dublin gets around 3.7 in of rain and snow over 9.2 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 29% and peaks near 30% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
429
529
629
729
829
929
1029
1129
1230
1330
1430
1530
1630
1730
1830
1930
2030
2129
2229
2329
2429
2529
2629
2729
2829
2928
3028
3128

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1831052
2831052
3831052
4831052
5831052
6841051
785951
885951
985951
1086941
1186941
1287841
1388831
1489830
1589830
1689830
1790820
1891720
1991720
2091720
2192710
2293610
2393610
2493610
2593610
2693610
2793610
2893610
2993610
3093610
3193610

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 9 h 54 min at the start of January to 10 h 24 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 7:38 AM to 7:33 AM, and sunset from 5:32 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.97:385:32
29.97:385:32
39.97:385:33
49.97:395:34
59.97:395:34
69.97:395:35
710.07:395:36
810.07:395:37
910.07:395:37
1010.07:395:38
1110.07:395:39
1210.07:395:40
1310.07:395:41
1410.07:395:42
1510.17:395:42
1610.17:395:43
1710.17:385:44
1810.17:385:45
1910.17:385:46
2010.27:385:47
2110.27:375:48
2210.27:375:49
2310.27:375:49
2410.27:365:50
2510.37:365:51
2610.37:365:52
2710.37:355:53
2810.37:355:54
2910.37:345:55
3010.47:345:56
3110.47:335:57

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 2.51 kWh/m² to a high of 6.34 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
32.5Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.8Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.9Moderate
172.9Moderate
182.9Moderate
192.9Moderate
203.0Moderate
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 Dublin?

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

4.6
Sightseeing
9th-best month of the year
0.0
Beach & pool
12th-best month of the year

January is a reasonable time to visit Dublin for sightseeing.

What to pack for Dublin in January

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

In January, Dublin sees daytime highs around 59°F and nights near 38°F. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Dublin 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 Dublin peaks around June 23 at about 10 (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 10Dec 19UV 3
UV index (midday)Level
Jan4Moderate
Feb5High
Mar6High
Apr7High
May9Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Dublin 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 Dublin is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodJul 1619 µg/m³Dec 239 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar13Moderate
Apr11Good
May12Moderate
Jun16Moderate
Jul19Moderate
Aug16Moderate
Sep13Moderate
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Dublin?

Dublin sits at 32.5°N, 82.9°W, 220 ft above sea level, in United States. The nearest listed city is Milledgeville, 42 mi away.

Topography around Dublin

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

Within 2 miles, the terrain around Dublin has only modest variations in elevation — a maximum elevation change of 154 ft around an average of 230 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 266 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 653 ft.

The land around Dublin is covered by trees (69%) within 2 miles, trees (71%) and grassland (20%) within 10 miles, and trees (79%) within 50 miles.

2 miles
154 ft
10 miles
266 ft
50 miles
653 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Milledgeville 42 mi · Warner Robins 42 mi · Macon 47 mi · Perry 48 mi · Statesboro 66 mi · Evans 82 mi · Martinez 83 mi · Tifton 83 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 Dublin (32.5404°, -82.9038°, elevation 220 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).