Naas weather in January

In January, Naas sees average daytime highs of 8°C and overnight lows near 3°C, with 68 mm of precipitation across 13.2 wet days and about 7.9 hours of daylight. It is the 12th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 8°C through the month. The sky is clear or mostly clear about 11% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 h 24 min at the start of January to 8 h 30 min by month's end. Set against the rest of the year, January is Naas's 5th-clearest and 1st-windiest month. For the whole year in context, see Naas's year-round climate.

Daytime high
12th warmest
Overnight low
2nd coldest
Precipitation
68 mm
13.2 wet days
Daylight
7 h 48 min
8:42 AM – 4:30 PM
Cloud cover
76%
5th clearest
Wind
16 km/h
1st windiest
Solar energy
0.7 kWh/m²
Travel score
1.0
out of 10

Naas is county town of County Kildare, Ireland.

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 8°C through the month.

A typical January day in Naas reaches about 8°C in the afternoon and slips back to 3°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 11°C. Set against its neighbours, January runs on par with December and on par with February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
173
273
383
483
583
683
783
883
983
1083
1183
1283
1383
1483
1583
1683
1783
1883
1983
2083
2183
2283
2383
2483
2583
2683
2783
2883
2983
3083
3183

How January really feels in Naas

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
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.

Naas weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6813.20.87.91.0
Feb / 5511.80.99.41.3
Mar10° / 5812.40.611.52.0
Apr12° / 6412.80.113.62.9
May15° / 6613.1015.64.0
Jun18° / 10°7112.4016.65.0
Jul19° / 12°7213.6016.25.3
Aug19° / 12°7312.5014.65.4
Sep17° / 10°6211.6012.44.8
Oct13° / 7212.1010.33.4
Nov10° / 7712.70.18.42.0
Dec / 7412.90.77.41.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32773
42773
52773
62971
72971
82872
92872
102872
112872
122872
132872
142872
152674
162674
172674
182575
192377
202377
212278
222278
232278
242278
252179
262179
272179
282080
292179
302179
312179

Chance of precipitation in January

Any precipitationSnow

Naas gets around 68 mm of rain and snow over 13.2 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 43% and peaks near 46% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1454
2454
3454
4464
5464
6464
7464
8454
9454
10454
11454
12444
13443
14433
15433
16423
17423
18423
19412
20412
21412
22402
23402
24402
25402
26402
27402
28402
29412
30413
31413

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 16 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 16 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 h 24 min at the start of January to 8 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over January. Sunrise moves from 8:49 AM to 8:24 AM, and sunset from 4:11 PM to 4:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.48:494:11
27.48:494:12
37.48:494:13
47.48:484:14
57.48:484:15
67.58:484:16
77.58:474:17
87.58:474:19
97.68:474:20
107.68:464:21
117.68:454:23
127.78:454:24
137.78:444:26
147.78:434:27
157.88:434:29
167.88:424:30
177.88:414:32
187.98:404:33
197.98:394:35
208.08:384:37
218.08:374:38
228.18:364:40
238.18:344:42
248.28:334:44
258.28:324:45
268.38:314:47
278.38:294:49
288.48:284:51
298.48:274:53
308.58:254:54
318.58:244:56

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.7 kWh/m².

For context, solar energy here swings from a low near 0.53 kWh/m² to a high of 4.93 kWh/m² in June across the year — January's 0.7 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.6Dim
20.6Dim
30.6Dim
40.6Dim
50.6Dim
60.6Dim
70.6Dim
80.6Dim
90.6Dim
100.6Dim
110.6Dim
120.7Dim
130.7Dim
140.7Dim
150.7Dim
160.7Dim
170.7Dim
180.7Dim
190.7Dim
200.7Dim
210.8Dim
220.8Dim
230.8Dim
240.8Dim
250.8Dim
260.8Dim
270.9Dim
280.9Dim
290.9Dim
300.9Dim
311.0Dim
Planning a trip in January

Is January a good time to visit Naas?

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

1.0
Sightseeing
12th-best month of the year
0.0
Beach & pool
7th-best month of the year

January is a weaker month for outdoor sightseeing in Naas.

What to pack for Naas in January

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

In January, Naas sees daytime highs around 8°C and nights near 3°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 13 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Naas in January

The nearest coast averages about 9°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 40 km away) is warmest in August at about 15°C and coldest in March near 8°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun13Bracing
Jul15Bracing
Aug15Cool
Sep15Bracing
Oct13Bracing
Nov12Bracing
Dec11Bracing

UV index in Naas in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Naas peaks around August 13 at about 6 (high) — a little sun protection helps at midday. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 13UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul5High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low
Location & terrain

Where is Naas?

Naas sits at 53.2°N, 6.7°W, 93 m above sea level, in Ireland. The nearest listed city is Droichead Nua, 9.0 km away.

Templeogue

Topography around Naas

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Naas.

Within 3 km, the terrain around Naas has only modest variations in elevation — a maximum elevation change of 76 m around an average of 98 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 416 m; within 80 km, large variations in elevation — a maximum elevation change of 946 m.

The land around Naas is covered by grassland (57%) within 3 km, grassland (68%) within 16 km, and grassland (60%) within 80 km.

3 km
76 m
16 km
416 m
80 km
946 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Droichead Nua 9.0 km · Celbridge 16 km · Maynooth 19 km · Leixlip 20 km · Tallaght 21 km · Lucan 21 km · South Dublin 23 km · Templeogue 25 km

Ireland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type G
230 V · 50 Hz
Prices
≈ 85% of US
price level, 2025
GDP per capita
$131,592
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
96%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
3.1
per 100k/yr, 2019
Income group
High
World Bank
Religion
Roman Catholic 69%none 15%Protestant 4%Orthodox 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 Naas (53.2158°, -6.6669°, elevation 93 m), 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).