Portsmouth weather in November

In November, Portsmouth sees average daytime highs of 48°F and overnight lows near 37°F, with 3.8 in of precipitation across 9.7 wet days and about 9.5 hours of daylight. It is the 8th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 52°F in the first days to 44°F by the end. The sky is clear or mostly clear about 35% of the time in November, and the air most often feels dry.

Daylight stretches from about 10 h 06 min at the start of November to 9 h 06 min by month's end. Set against the rest of the year, November is Portsmouth's 6th-clearest and 5th-windiest month. For the whole year in context, see Portsmouth's year-round climate.

Daytime high
48°
8th warmest
Overnight low
37°
5th coldest
Precipitation
3.8 in
9.7 wet days
Daylight
9 h 30 min
6:44 AM – 4:13 PM
Cloud cover
58%
6th clearest
Wind
11 mph
5th windiest
Solar energy
1.96 kWh/m²
Travel score
1.8
out of 10

Portsmouth is city in Rockingham County, New Hampshire, United States.

Density
494/km²
people per km²
Founded
1630

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

Temperature in November

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 52°F in the first days to 44°F by the end.

A typical November day in Portsmouth reaches about 48°F in the afternoon and slips back to 37°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 39°F and 58°F. Set against its neighbours, November runs about 10°F cooler than October and about 9°F warmer than December.

20°30°40°50°60°70°151015202530
Avg high (°F)Avg low (°F)
15342
25242
35242
45241
55141
65140
75140
85040
95039
105039
114939
124938
134938
144838
154837
164837
174737
184737
194736
204636
214636
224635
234635
244535
254535
264534
274434
284434
294434
304333

How November really feels in Portsmouth

Once humidity and wind are folded in, November averages 0 days that feel above 90°F and 20 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
20
wind chill below the day's low

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

Portsmouth weather by month

How November compares with the rest of the year at a glance. November is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan34° / 22°3.69.96.79.20.0
Feb35° / 23°3.49.1610.20.0
Mar41° / 30°4.511.25.211.60.2
Apr51° / 40°4.210.61.313.12.4
May60° / 49°3.310.5014.44.7
Jun69° / 58°3.610.6015.16.3
Jul75° / 65°3.110.6014.96.9
Aug74° / 64°3.28.8013.87.2
Sep68° / 57°3.48.5012.36.6
Oct58° / 47°4.49.90.210.84.5
Nov48° / 37°3.89.71.29.51.8
Dec39° / 28°4.610.84.98.90.1

Cloud cover in November

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in November.

Beyond those clear spells, partly cloudy skies cover about 13% of November, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24753
34753
44654
54654
64753
74852
84852
94753
104753
114753
124753
134753
144951
154951
164951
174951
184951
194951
204951
215050
224951
234951
244951
254951
264951
274951
284951
294852
304852

Chance of precipitation in November

Any precipitationSnow

Portsmouth gets around 3.8 in of rain and snow over 9.7 wet days in November. 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 34% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1322
2322
3322
4322
5312
6312
7312
8313
9313
10313
11313
12314
13324
14324
15324
16335
17335
18335
19345
20346
21346
22346
23346
24346
25337
26337
27338
28338
29339
303410

Humidity in November

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, November lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19541
29631
39730
49730
59730
69820
79820
89820
99820
109820
119910
129910
139910
149910
159910
169910
179910
189910
1910000
2010000
2110000
2210000
2310000
2410000
2510000
2610000
2710000
2810000
2910000
3010000

Wind in November

Winds average 11 mph in November.

Across November, daily wind ranges from about 11 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
111light breeze
211light breeze
311light breeze
411light breeze
511light breeze
611light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light breeze
1511light breeze
1611light breeze
1711light breeze
1811light breeze
1911light breeze
2011light breeze
2111light breeze
2211light breeze
2311light breeze
2411light breeze
2511light breeze
2611light breeze
2711light breeze
2811light breeze
2911light breeze
3011light breeze

Sunrise & sunset in November

DaylightNight

Daylight runs from about 10 h 06 min at the start of November to 9 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over November. Sunrise moves from 6:25 AM to 7:00 AM, and sunset from 4:29 PM to 4:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
110.16:254:29
210.06:264:27
310.06:274:26
49.96:284:25
59.96:304:24
69.96:314:23
79.86:324:22
89.86:344:20
99.76:354:19
109.76:364:18
119.76:374:17
129.66:394:16
139.66:404:15
149.66:414:15
159.56:434:14
169.56:444:13
179.46:454:12
189.46:464:11
199.46:474:10
209.46:494:10
219.36:504:09
229.36:514:08
239.36:524:08
249.26:534:07
259.26:554:07
269.26:564:06
279.16:574:06
289.16:584:05
299.16:594:05
309.17:004:05

Solar energy in November

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in November, about 1.96 kWh/m².

For context, solar energy here swings from a low near 1.54 kWh/m² to a high of 6.11 kWh/m² in July across the year — November's 1.96 kWh/m² sits near the bottom.

0123151015202530
Solar energy (kWh/m²)Level
12.4Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.2Moderate
62.2Moderate
72.2Moderate
82.2Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.0Moderate
142.0Moderate
152.0Dim
162.0Dim
171.9Dim
181.9Dim
191.9Dim
201.9Dim
211.8Dim
221.8Dim
231.8Dim
241.8Dim
251.7Dim
261.7Dim
271.7Dim
281.7Dim
291.7Dim
301.6Dim
Planning a trip in November

Hazard calendar for Portsmouth

In seasonPeak

In November, Portsmouth sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Portsmouth 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 November a good time to visit Portsmouth?

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

1.8
Sightseeing
8th-best month of the year
0.0
Beach & pool
8th-best month of the year

November is a weaker month for outdoor sightseeing in Portsmouth.

What to pack for Portsmouth in November

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

In November, Portsmouth sees daytime highs around 48°F and nights near 37°F. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Portsmouth in November

The nearest coast averages about 49°F in November — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 65°F and coldest in March 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
Jan42Bracing
Feb39Bracing
Mar38Bracing
Apr42Bracing
May49Bracing
Jun57Bracing
Jul63Cool
Aug65Cool
Sep62Cool
Oct55Bracing
Nov49Bracing
Dec45Bracing

UV index in Portsmouth in November

LowModerateHighVery highExtreme

Clear-sky midday UV in November peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Portsmouth 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateModerateLowJul 10UV 7Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7High
Jun7High
Jul7Very high
Aug4Moderate
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Portsmouth?

Portsmouth sits at 43.1°N, 70.8°W, 20 ft above sea level, in United States. The nearest listed city is Dover, 9.9 mi away.

Topography around Portsmouth

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

Within 2 miles, the terrain around Portsmouth has only modest variations in elevation — a maximum elevation change of 161 ft around an average of 39 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 430 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,454 ft.

The land around Portsmouth is covered by trees (45%), water (22%) and artificial surfaces (21%) within 2 miles, trees (49%) and water (36%) within 10 miles, and trees (61%) and water (32%) within 50 miles.

2 miles
161 ft
10 miles
430 ft
50 miles
2,454 ft
treesgrasslandartificial surfaceswaterwetland
November weather nearby: Dover 9.9 mi · Amesbury 17 mi · Rochester 19 mi · Newburyport 19 mi · Sanford 25 mi · Haverhill 26 mi · Salem 30 mi · Derry Village 31 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 Portsmouth (43.077°, -70.7577°, elevation 20 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).