Worcester weather in January

In January, Worcester sees average daytime highs of 34°F and overnight lows near 20°F, with 3.4 in of precipitation across 9.8 wet days and about 9.3 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°F through the month. The sky is clear or mostly clear about 33% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 hours at the start of January to 9 h 42 min by month's end. Set against the rest of the year, January is Worcester's 4th-clearest and 2nd-windiest month. For the whole year in context, see Worcester's year-round climate.

Daytime high
34°
12th warmest
Overnight low
20°
1st coldest
Precipitation
3.4 in
9.8 wet days
Daylight
9 h 12 min
7:20 AM – 4:33 PM
Cloud cover
58%
4th clearest
Wind
8 mph
2nd windiest
Solar energy
2 kWh/m²
Travel score
0.0
out of 10

Worcester is county seat city in Worcester County, Massachusetts, United States.

Density
2,074/km²
people per km²
Founded
1848

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 34°F through the month.

A typical January day in Worcester reaches about 34°F in the afternoon and slips back to 20°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 20°F and 48°F. Set against its neighbours, January runs about 5°F cooler than December and about 2°F cooler than February.

20°40°151015202531
Avg high (°F)Avg low (°F)
13622
23622
33622
43522
53522
63522
73521
83521
93521
103521
113420
123420
133420
143420
153420
163419
173319
183319
193319
203319
213319
223319
233319
243319
253319
263319
273419
283419
293419
303419
313419

How January really feels in Worcester

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
31 feel bitter (≤ 14°F)

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

Worcester weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan34° / 20°3.49.86.49.30.0
Feb37° / 21°3.18.65.710.30.0
Mar44° / 29°4.210.75.211.60.9
Apr56° / 39°3.711.31.513.13.7
May67° / 49°3.210.8014.45.9
Jun76° / 58°3.911.50156.5
Jul82° / 64°3.610.6014.86.2
Aug80° / 63°3.810.2013.76.6
Sep72° / 55°3.68.5012.36.9
Oct60° / 44°3.99.80.310.85.0
Nov49° / 35°3.49.11.29.62.1
Dec39° / 26°4.310.55.590.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34852
44951
54852
64852
74852
84852
94852
104753
114654
124654
134654
144753
154654
164753
174753
184753
194753
204852
214852
224852
234852
245050
255050
265050
275050
285050
295050
305050
315050

Chance of precipitation in January

Any precipitationSnow

Worcester gets around 3.4 in of rain and snow over 9.8 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 35% on the wettest days, and about 6 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13519
23519
33520
43520
53521
63521
73521
83522
93422
103422
113422
123322
133322
143222
153222
163222
173122
183121
193021
203021
212920
222920
232920
242919
252819
262819
272818
282818
292818
302918
312918

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 8 mph in January.

Across January, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light 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 hours at the start of January to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over January. Sunrise moves from 7:22 AM to 7:10 AM, and sunset from 4:19 PM to 4:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.07:224:19
29.07:224:20
39.07:224:21
49.07:224:22
59.07:224:22
69.07:224:23
79.07:224:24
89.17:224:25
99.17:214:26
109.17:214:27
119.17:214:28
129.17:214:29
139.27:214:30
149.27:204:31
159.27:204:32
169.27:204:33
179.37:194:35
189.37:194:36
199.37:184:37
209.37:184:38
219.47:174:39
229.47:164:40
239.47:164:42
249.57:154:43
259.57:144:44
269.57:144:45
279.67:134:46
289.67:124:48
299.67:114:49
309.77:114:50
319.77:104:51

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2 kWh/m².

For context, solar energy here swings from a low near 1.61 kWh/m² to a high of 5.87 kWh/m² in July across the year — January's 2 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.7Dim
21.7Dim
31.7Dim
41.7Dim
51.7Dim
61.8Dim
71.8Dim
81.8Dim
91.8Dim
101.8Dim
111.8Dim
121.9Dim
131.9Dim
141.9Dim
151.9Dim
162.0Dim
172.0Moderate
182.0Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.2Moderate
232.2Moderate
242.2Moderate
252.3Moderate
262.3Moderate
272.3Moderate
282.4Moderate
292.4Moderate
302.4Moderate
312.5Moderate
Planning a trip in January

Is January a good time to visit Worcester?

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

0.0
Sightseeing
11th-best month of the year
0.0
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Worcester.

What to pack for Worcester in January

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

In January, Worcester sees daytime highs around 34°F and nights near 20°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

UV index in Worcester 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 Worcester peaks around July 10 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 10UV 7Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr5High
May7Very high
Jun7Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Worcester?

Worcester sits at 42.3°N, 71.8°W, 482 ft above sea level, in United States. The nearest listed city is Auburn, 5.0 mi away.

Topography around Worcester

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

Within 2 miles, the terrain around Worcester has only modest variations in elevation — a maximum elevation change of 351 ft around an average of 551 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,155 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,176 ft.

The land around Worcester is covered by artificial surfaces (52%) and trees (41%) within 2 miles, trees (79%) within 10 miles, and trees (86%) within 50 miles.

2 miles
351 ft
10 miles
1,155 ft
50 miles
3,176 ft
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Auburn 5.0 mi · Shrewsbury 5.0 mi · Holden 6.8 mi · Grafton 6.8 mi · Marlborough 14 mi · Milford 17 mi · Ashland 17 mi · Southbridge 17 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 Worcester (42.2626°, -71.8023°, elevation 482 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).