Jasper weather in January

In January, Jasper sees average daytime highs of 40°F and overnight lows near 26°F, with 3.6 in of precipitation across 9.2 wet days and about 9.6 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 40°F through the month. The sky is clear or mostly clear about 24% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 24 min at the start of January to 10 hours by month's end. Set against the rest of the year, January is Jasper's 10th-clearest and 3rd-windiest month. For the whole year in context, see Jasper's year-round climate.

Daytime high
40°
12th warmest
Overnight low
26°
1st coldest
Precipitation
3.6 in
9.2 wet days
Daylight
9 h 36 min
8:09 AM – 5:45 PM
Cloud cover
68%
10th clearest
Wind
8 mph
3rd windiest
Solar energy
2.1 kWh/m²
Travel score
0.0
out of 10

Jasper is city in Dubois County, Indiana, United States.

Density
452/km²
people per km²
Founded
1818

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 40°F through the month.

A typical January day in Jasper reaches about 40°F in the afternoon and slips back to 26°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 25°F and 57°F. Set against its neighbours, January runs about 4°F cooler than December and about 4°F cooler than February.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14228
24128
34128
44128
54127
64127
74127
84127
94027
104027
114026
124026
134026
144026
154026
164026
174026
184026
194026
204025
214025
224026
234026
244026
254026
264026
274126
284126
294126
304126
314126

How January really feels in Jasper

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
wind chill below the day's low

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

Jasper weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan40° / 26°3.69.22.79.60.0
Feb45° / 29°3.293.210.50.9
Mar55° / 38°4.411.11.511.73.5
Apr67° / 48°5.312.20.1135.7
May75° / 58°5.312.9014.16.3
Jun84° / 67°4.412014.65.4
Jul87° / 70°3.811.1014.44.8
Aug85° / 68°3.18.5013.55.4
Sep80° / 60°3.27.9012.36.9
Oct68° / 49°3.58.10116.6
Nov54° / 38°3.790.69.93.5
Dec44° / 31°3.810.12.49.40.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33466
43466
53466
63466
73367
83268
93268
103268
113367
123268
133169
143169
153169
163268
173367
183367
193367
203565
213565
223664
233763
243763
253763
263862
273961
283961
293961
303961
313961

Chance of precipitation in January

Any precipitationSnow

Jasper gets around 3.6 in of rain and snow over 9.2 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 30% and peaks near 33% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1329
2329
3329
4329
5339
6339
7339
8339
9339
10339
11329
12329
13329
14319
15319
16309
17309
18299
19299
20289
21289
22279
23279
24279
25279
26279
272710
282710
292711
302711
312711

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1973
2973
3973
4973
5973
6973
7973
8973
9973
10982
11982
12982
13982
14982
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in January

Winds average 8 mph in January.

Across January, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
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
307light breeze
317light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 24 min at the start of January to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 8:10 AM to 8:01 AM, and sunset from 5:32 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.48:105:32
29.48:105:33
39.48:105:33
49.48:105:34
59.48:105:35
69.48:105:36
79.48:105:37
89.58:105:38
99.58:105:38
109.58:105:39
119.58:105:40
129.58:105:41
139.58:105:42
149.68:105:43
159.68:095:44
169.68:095:45
179.68:095:46
189.68:085:47
199.78:085:48
209.78:085:49
219.78:075:50
229.78:075:51
239.88:065:52
249.88:065:53
259.88:055:54
269.98:045:56
279.98:045:57
289.98:035:58
299.98:035:59
3010.08:026:00
3110.08:016:01

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.1 kWh/m².

For context, solar energy here swings from a low near 1.79 kWh/m² to a high of 6.35 kWh/m² in June across the year — January's 2.1 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.9Dim
51.9Dim
61.9Dim
71.9Dim
81.9Dim
91.9Dim
101.9Dim
112.0Dim
122.0Dim
132.0Moderate
142.0Moderate
152.0Moderate
162.1Moderate
172.1Moderate
182.1Moderate
192.2Moderate
202.2Moderate
212.2Moderate
222.3Moderate
232.3Moderate
242.3Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in January

Is January a good time to visit Jasper?

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

0.0
Sightseeing
12th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Jasper.

What to pack for Jasper in January

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

In January, Jasper sees daytime highs around 40°F and nights near 26°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

UV index in Jasper 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 Jasper peaks around July 10 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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 10UV 9Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Jasper in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Jasper is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (October, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1318 µg/m³Oct 238 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Good
Apr12Good
May15Moderate
Jun17Moderate
Jul18Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Jasper?

Jasper sits at 38.4°N, 86.9°W, 466 ft above sea level, in United States. The nearest listed city is Vincennes, 38 mi away.

Topography around Jasper

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

Within 2 miles, the terrain around Jasper has only modest variations in elevation — a maximum elevation change of 194 ft around an average of 502 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 417 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 696 ft.

The land around Jasper is covered by trees (37%), grassland (26%) and artificial surfaces (20%) within 2 miles, cropland (43%) and trees (38%) within 10 miles, and trees (48%) and cropland (38%) within 50 miles.

2 miles
194 ft
10 miles
417 ft
50 miles
696 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Vincennes 38 mi · Owensboro 43 mi · Evansville 45 mi · Henderson 52 mi · Bloomington 58 mi · New Albany 60 mi · Pleasure Ridge Park 61 mi · Valley Station 61 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 Jasper (38.3914°, -86.9311°, 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. 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).