Acton weather in February

In February, Acton sees average daytime highs of 37°F and overnight lows near 22°F, with 3.0 in of precipitation across 8.5 wet days and about 10.3 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 35°F in the first days to 40°F by the end. The sky is clear or mostly clear about 33% of the time in February, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of February to 10 h 54 min by month's end. Set against the rest of the year, February is Acton's 6th-clearest and 2nd-windiest month. For the whole year in context, see Acton's year-round climate.

Daytime high
37°
11th warmest
Overnight low
22°
2nd coldest
Precipitation
3.0 in
8.5 wet days
Daylight
10 h 18 min
6:52 AM – 5:09 PM
Cloud cover
58%
6th clearest
Wind
8 mph
2nd windiest
Solar energy
2.89 kWh/m²
Travel score
0.0
out of 10

Acton is town in Massachusetts, United States.

Founded
1639

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 35°F in the first days to 40°F by the end.

A typical February day in Acton reaches about 37°F in the afternoon and slips back to 22°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 25°F and 50°F. Set against its neighbours, February runs about 3°F warmer than January and about 8°F cooler than March.

20°40°60°151015202528
Avg high (°F)Avg low (°F)
13519
23519
33520
43520
53520
63620
73620
83620
93620
103620
113620
123720
133721
143721
153721
163821
173822
183822
193822
203923
213923
223923
233923
244024
254024
264024
274024
284125

How February really feels in Acton

Once humidity and wind are folded in, February averages 0 days that feel above 90°F and 28 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
28
21 feel bitter (≤ 14°F)

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

Acton weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan35° / 20°3.29.66.29.20.0
Feb37° / 22°3.08.55.710.30.0
Mar45° / 29°4.111.15.111.61.1
Apr57° / 39°3.610.51.213.14.0
May67° / 49°3.110.5014.46.0
Jun77° / 58°3.510.7015.16.5
Jul83° / 64°3.210.3014.85.8
Aug81° / 62°3.49.6013.76.5
Sep73° / 55°3.48012.37.0
Oct61° / 44°3.79.30.210.85.3
Nov50° / 34°3.39.11.19.62.3
Dec40° / 26°4.110.358.90.1

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 14% of February, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
15149
25149
35050
45050
54951
64951
74951
84951
94852
104852
114852
124753
134753
144753
154654
164654
174555
184555
194555
204456
214456
224456
234456
244357
254357
264357
274357
284357

Chance of precipitation in February

Any precipitationSnow

Acton gets around 3.0 in of rain and snow over 8.5 wet days in February, the driest month. 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 6 days bring snow.

0%10%20%30%40%151015202528
Rain chance (%)Snow chance (%)
12818
22919
32919
42919
52919
62919
72920
83020
93020
103020
113020
123020
133020
143020
153020
163120
173121
183121
193121
203121
213221
223221
233221
243221
253321
263321
273321
283421

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

Most of February feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, February 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%151015202528
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

Wind in February

Winds average 8 mph in February.

Across February, 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.

051015151015202528
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

Sunrise & sunset in February

DaylightNight

Daylight runs from about 9 h 42 min at the start of February to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over February. Sunrise moves from 7:08 AM to 6:33 AM, and sunset from 4:51 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:084:51
29.87:074:52
39.87:064:53
49.87:054:55
59.97:044:56
69.97:034:57
79.97:024:58
810.07:015:00
910.06:595:01
1010.16:585:02
1110.16:575:04
1210.26:565:05
1310.26:545:06
1410.26:535:07
1510.36:525:09
1610.36:515:10
1710.46:495:11
1810.46:485:13
1910.56:465:14
2010.56:455:15
2110.56:445:16
2210.66:425:18
2310.66:415:19
2410.76:395:20
2510.76:385:22
2610.86:365:23
2710.86:355:24
2810.96:335:25

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 2.89 kWh/m².

For context, solar energy here swings from a low near 1.59 kWh/m² to a high of 5.88 kWh/m² in July across the year — February's 2.89 kWh/m² falls in the middle.

01234151015202528
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.5Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.7Moderate
82.7Moderate
92.7Moderate
102.8Moderate
112.8Moderate
122.8Moderate
132.9Moderate
142.9Moderate
152.9Moderate
163.0Moderate
173.0Moderate
183.0Moderate
193.0Moderate
203.1Moderate
213.1Moderate
223.1Moderate
233.1Moderate
243.2Moderate
253.2Moderate
263.2Moderate
273.2Moderate
283.3Moderate
Planning a trip in February

Hazard calendar for Acton

In seasonPeak

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

Acton 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 February a good time to visit Acton?

Our two travel scores rate February 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

February is a weaker month for outdoor sightseeing in Acton.

What to pack for Acton in February

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

In February, Acton sees daytime highs around 37°F and nights near 22°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Acton in February

The nearest coast averages about 38°F in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 29 mi away) is warmest in August at about 66°F and coldest in February near 38°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan41Bracing
Feb38Bracing
Mar38Bracing
Apr42Bracing
May50Bracing
Jun58Bracing
Jul65Cool
Aug66Cool
Sep63Cool
Oct56Bracing
Nov50Bracing
Dec46Bracing

UV index in Acton in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Acton 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
Jul7Very high
Aug5Moderate
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Acton in February

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.

Air quality in Acton is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1715 µg/m³Nov 188 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb13Moderate
Mar13Moderate
Apr13Moderate
May14Moderate
Jun13Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Acton?

Acton sits at 42.5°N, 71.4°W, 266 ft above sea level, in United States. The nearest listed city is Concord, 4.3 mi away.

Topography around Acton

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

Within 2 miles, the terrain around Acton has only modest variations in elevation — a maximum elevation change of 315 ft around an average of 236 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 574 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,176 ft.

The land around Acton is covered by trees (86%) within 2 miles, trees (84%) within 10 miles, and trees (77%) within 50 miles.

2 miles
315 ft
10 miles
574 ft
50 miles
3,176 ft
treesgrasslandcroplandartificial surfaceswaterwetland
February weather nearby: Concord 4.3 mi · Westford 6.2 mi · Sudbury 6.8 mi · Chelmsford 8.7 mi · Billerica 9.9 mi · Lexington 11 mi · Marlborough 11 mi · Lowell 12 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 Acton (42.4851°, -71.4328°, elevation 266 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). 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. 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).