Jamestown weather in January

In January, Jamestown sees average daytime highs of 31°F and overnight lows near 17°F, with 3.7 in of precipitation across 15.3 wet days and about 9.3 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°F through the month. The sky is clear or mostly clear about 7% 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 Jamestown's 12th-clearest and 1st-windiest month. For the whole year in context, see Jamestown's year-round climate.

Daytime high
31°
12th warmest
Overnight low
17°
1st coldest
Precipitation
3.7 in
15.3 wet days
Daylight
9 h 12 min
7:49 AM – 5:04 PM
Cloud cover
84%
12th clearest
Wind
9 mph
1st windiest
Solar energy
1.63 kWh/m²
Travel score
0.0
out of 10

Jamestown is city in Chautauqua County, New York, United States.

Density
1,281/km²
people per km²
Founded
1810

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 31°F through the month.

A typical January day in Jamestown reaches about 31°F in the afternoon and slips back to 17°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 15°F and 46°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)
13320
23220
33220
43220
53219
63219
73219
83219
93119
103118
113118
123118
133117
143117
153017
163017
173016
183016
193016
203016
213016
222916
233015
243015
253015
263015
273015
283016
293016
303016
313116

How January really feels in Jamestown

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.

Jamestown 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
Jan31° / 17°3.715.313.99.30.0
Feb33° / 18°2.91210.410.30.0
Mar42° / 25°3.713.67.711.70.5
Apr55° / 37°4.614.13.313.13.2
May65° / 47°4.714.80.114.45.2
Jun73° / 56°5.014.40156.0
Jul77° / 60°4.514.4014.86.2
Aug75° / 58°4.313.2013.76.5
Sep69° / 51°3.811012.36.2
Oct57° / 41°4.113.61.110.83.8
Nov45° / 32°3.813.96.79.61.0
Dec35° / 23°3.915.512.590.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of January, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21288
31288
41288
51288
61288
71288
81189
91189
101189
111189
121189
131189
141288
151288
161288
171288
181288
191288
201288
211288
221288
231486
241486
251585
261684
271684
281882
291882
301981
312080

Chance of precipitation in January

Any precipitationSnow

Jamestown gets around 3.7 in of rain and snow over 15.3 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 49% and peaks near 53% on the wettest days, and about 14 days bring snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
15043
25043
35143
45144
55244
65244
75344
85345
95345
105345
115246
125246
135146
145146
155046
165045
174945
184845
194846
204746
214746
224645
234645
244645
254544
264544
274543
284442
294442
304441
314441

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 9 mph in January, the windiest month of the year.

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
219light breeze
229light breeze
239light 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 7:51 AM to 7:39 AM, and sunset from 4:49 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.07:514:49
29.07:514:50
39.07:514:51
49.07:514:52
59.07:514:53
69.07:514:54
79.17:514:55
89.17:514:55
99.17:514:56
109.17:504:57
119.17:504:58
129.27:504:59
139.27:505:00
149.27:495:02
159.27:495:03
169.27:495:04
179.37:485:05
189.37:485:06
199.37:475:07
209.47:475:08
219.47:465:09
229.47:465:11
239.47:455:12
249.57:445:13
259.57:445:14
269.57:435:15
279.67:425:17
289.67:425:18
299.67:415:19
309.77:405:20
319.77:395:22

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.63 kWh/m².

For context, solar energy here swings from a low near 1.31 kWh/m² to a high of 6.11 kWh/m² in June across the year — January's 1.63 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.4Dim
31.4Dim
41.4Dim
51.4Dim
61.4Dim
71.4Dim
81.4Dim
91.4Dim
101.5Dim
111.5Dim
121.5Dim
131.5Dim
141.6Dim
151.6Dim
161.6Dim
171.6Dim
181.7Dim
191.7Dim
201.7Dim
211.8Dim
221.8Dim
231.8Dim
241.9Dim
251.9Dim
261.9Dim
272.0Dim
282.0Dim
292.0Moderate
302.1Moderate
312.1Moderate
Planning a trip in January

Is January a good time to visit Jamestown?

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
8th-best month of the year

January is a weaker month for outdoor sightseeing in Jamestown.

What to pack for Jamestown in January

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

In January, Jamestown sees daytime highs around 31°F and nights near 17°F. Pack a warm layer, a heavy coat and rain gear. About 15 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Jamestown in January

The nearest coast averages about 37°F 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 28 mi away) is warmest in August at about 73°F and coldest in February near 34°F.

It's comfortable for a long swim from Jul 6 to Sep 21 — about 2.6 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan37Bracing
Feb34Bracing
Mar34Bracing
Apr38Bracing
May48Bracing
Jun62Cool
Jul71Refreshing
Aug73Refreshing
Sep70Refreshing
Oct60Cool
Nov51Bracing
Dec44Bracing

UV index in Jamestown in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Jamestown peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low
Location & terrain

Where is Jamestown?

Jamestown sits at 42.1°N, 79.2°W, 1,378 ft above sea level, in United States. The nearest listed city is Erie, 43 mi away.

Topography around Jamestown

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

Within 2 miles, the terrain around Jamestown has only modest variations in elevation — a maximum elevation change of 390 ft around an average of 1,437 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,030 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,900 ft.

The land around Jamestown is covered by trees (58%), grassland (21%) and artificial surfaces (20%) within 2 miles, trees (68%) and grassland (23%) within 10 miles, and trees (68%) within 50 miles.

2 miles
390 ft
10 miles
1,030 ft
50 miles
1,900 ft
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Erie 43 mi · Lackawanna 55 mi · Port Colborne 55 mi · West Seneca 57 mi · Buffalo 58 mi · Fort Erie 58 mi · Cheektowaga 61 mi · Welland 62 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 Jamestown (42.097°, -79.2353°, elevation 1,378 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. 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).