Fitchburg weather in January

In January, Fitchburg sees average daytime highs of 33°F and overnight lows near 19°F, with 3.4 in of precipitation across 9.8 wet days and about 9.2 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°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 8 h 54 min at the start of January to 9 h 42 min by month's end. Set against the rest of the year, January is Fitchburg's 4th-clearest and 1st-windiest month. For the whole year in context, see Fitchburg's year-round climate.

Daytime high
33°
12th warmest
Overnight low
19°
1st coldest
Precipitation
3.4 in
9.8 wet days
Daylight
9 h 12 min
7:20 AM – 4:32 PM
Cloud cover
58%
4th clearest
Wind
8 mph
1st windiest
Solar energy
1.99 kWh/m²
Travel score
0.0
out of 10

Fitchburg is city in Worcester County, Massachusetts, United States.

Density
557/km²
people per km²
Founded
1730

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 33°F through the month.

A typical January day in Fitchburg reaches about 33°F in the afternoon and slips back to 19°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 19°F and 47°F. Set against its neighbours, January runs about 5°F cooler than December and about 3°F cooler than February.

20°40°151015202531
Avg high (°F)Avg low (°F)
13521
23521
33521
43421
53420
63420
73420
83420
93420
103319
113319
123319
133319
143319
153318
163318
173218
183218
193218
203218
213217
223217
233217
243217
253217
263217
273318
283318
293318
303318
313318

How January really feels in Fitchburg

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.

Fitchburg weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan33° / 19°3.49.86.69.20.0
Feb36° / 20°3.18.7610.30.0
Mar44° / 28°4.211.15.711.60.7
Apr56° / 38°3.811.31.613.13.6
May67° / 48°3.411.30.114.45.8
Jun76° / 58°4.011.7015.16.4
Jul82° / 64°3.810.9014.86.2
Aug80° / 62°3.810.4013.76.6
Sep72° / 54°3.78.5012.36.9
Oct60° / 44°3.99.80.410.84.9
Nov48° / 34°3.59.51.49.61.9
Dec38° / 25°4.310.45.88.90.0

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%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34852
44852
54654
64654
74654
84555
94654
104654
114654
124654
134654
144654
154654
164654
174753
184753
194852
204852
214951
225050
235050
245050
255050
265149
275149
285149
295149
305149
315149

Chance of precipitation in January

Any precipitationSnow

Fitchburg 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 31% and peaks near 34% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
13420
23420
33421
43421
53422
63422
73422
83423
93423
103423
113323
123324
133324
143224
153223
163223
173123
183122
193122
203022
213021
222921
232921
242921
252920
262920
272820
282820
292820
302920
312920

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, the windiest month of the year.

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.

051015151015202531
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 8 h 54 min 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 48 minutes over January. Sunrise moves from 7:23 AM to 7:10 AM, and sunset from 4:18 PM to 4:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.97:234:18
28.97:234:19
38.97:234:20
49.07:234:21
59.07:234:21
69.07:234:22
79.07:234:23
89.07:234:24
99.07:234:25
109.17:224:26
119.17:224:27
129.17:224:28
139.17:224:29
149.27:214:30
159.27:214:31
169.27:204:32
179.27:204:34
189.37:204:35
199.37:194:36
209.37:194:37
219.37:184:38
229.47:174:39
239.47:174:41
249.47:164:42
259.57:154:43
269.57:154:44
279.57:144:46
289.67:134:47
299.67:124:48
309.67:114:49
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 1.99 kWh/m².

For context, solar energy here swings from a low near 1.59 kWh/m² to a high of 5.89 kWh/m² in July across the year — January's 1.99 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.7Dim
21.7Dim
31.7Dim
41.7Dim
51.7Dim
61.7Dim
71.8Dim
81.8Dim
91.8Dim
101.8Dim
111.8Dim
121.8Dim
131.9Dim
141.9Dim
151.9Dim
161.9Dim
172.0Dim
182.0Moderate
192.0Moderate
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 Fitchburg?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Fitchburg.

What to pack for Fitchburg in January

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

In January, Fitchburg sees daytime highs around 33°F and nights near 19°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 Fitchburg 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 Fitchburg 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 Fitchburg?

Fitchburg sits at 42.6°N, 71.8°W, 466 ft above sea level, in United States. The nearest listed city is Leominster, 4.3 mi away.

Topography around Fitchburg

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

Within 2 miles, the terrain around Fitchburg has only modest variations in elevation — a maximum elevation change of 699 ft around an average of 630 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,798 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,176 ft.

The land around Fitchburg is covered by trees (71%) and artificial surfaces (21%) within 2 miles, trees (86%) within 10 miles, and trees (88%) within 50 miles.

2 miles
699 ft
10 miles
1,798 ft
50 miles
3,176 ft
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Leominster 4.3 mi · Gardner 9.9 mi · Holden 16 mi · Westford 19 mi · Acton 20 mi · Shrewsbury 21 mi · Marlborough 21 mi · Nashua 21 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 Fitchburg (42.5834°, -71.8023°, elevation 466 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).