Sparta weather in October

In October, Sparta sees average daytime highs of 62°F and overnight lows near 45°F, with 4.0 in of precipitation across 9 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 67°F in the first days to 57°F by the end. The sky is clear or mostly clear about 35% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 12 min by month's end. Set against the rest of the year, October is Sparta's 1st-clearest and 7th-windiest month. For the whole year in context, see Sparta's year-round climate.

Daytime high
62°
6th warmest
Overnight low
45°
7th coldest
Precipitation
4.0 in
9 wet days
Daylight
10 h 54 min
6:17 AM – 5:10 PM
Cloud cover
56%
1st clearest
Wind
7 mph
7th windiest
Solar energy
3.06 kWh/m²
Travel score
5.4
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 67°F in the first days to 57°F by the end.

A typical October day in Sparta reaches about 62°F in the afternoon and slips back to 45°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 52°F and 73°F. Set against its neighbours, October runs about 12°F cooler than September and about 12°F warmer than November.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16851
26850
36750
46750
56749
66649
76648
86548
96548
106547
116447
126447
136346
146346
156246
166245
176245
186144
196144
206044
216043
226043
235943
245942
255842
265842
275841
285741
295741
305640
315640

How October really feels in Sparta

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

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Sparta weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan36° / 22°3.59.55.69.40.0
Feb39° / 23°3.08.84.610.40.0
Mar47° / 31°4.110.94.111.71.5
Apr59° / 41°3.710.80.713.14.4
May69° / 51°3.711.7014.36.1
Jun78° / 60°3.911.3014.96.4
Jul83° / 65°3.710.7014.65.7
Aug81° / 64°3.610.5013.66.3
Sep74° / 56°4.29.6012.36.9
Oct62° / 45°4.090.210.95.4
Nov50° / 35°3.28.319.72.5
Dec40° / 28°4.01049.10.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25248
35248
45248
55248
65347
75347
85347
95347
105248
115248
125248
135248
145248
155149
165149
175149
185050
195050
204951
214852
224753
234753
244753
254753
264654
274753
284753
294753
304753
314753

Chance of precipitation in October

Any precipitation

Sparta gets around 4.0 in of rain and snow over 9 wet days in October. 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 32% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
132
231
331
431
531
630
730
830
929
1029
1129
1229
1330
1430
1530
1630
1730
1830
1930
2030
2130
2230
2329
2429
2529
2629
2728
2828
2927
3027
3127

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
17212124
27212124
37511113
47611103
57611103
6781192
7801082
8801082
9811072
10821062
11831061
1285951
1386941
1486941
1588831
1688831
1788831
1889731
1990721
2090721
2192620
2292620
2392620
2492620
2593520
2693520
2793520
2893520
2994420
3094420
3194420

Wind in October

Winds average 7 mph in October.

Across October, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over October. Sunrise moves from 6:01 AM to 6:35 AM, and sunset from 5:35 PM to 4:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:015:35
211.56:025:33
311.56:035:31
411.46:045:29
511.46:055:28
611.36:065:26
711.36:075:24
811.26:085:23
911.26:095:21
1011.26:105:20
1111.16:115:18
1211.16:135:16
1311.06:145:15
1411.06:155:13
1510.96:165:12
1610.96:175:10
1710.86:185:09
1810.86:195:07
1910.86:215:06
2010.76:225:04
2110.76:235:03
2210.66:245:01
2310.66:255:00
2410.56:264:58
2510.56:284:57
2610.56:294:56
2710.46:304:54
2810.46:314:53
2910.36:324:52
3010.36:344:51
3110.26:354:49

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.06 kWh/m².

For context, solar energy here swings from a low near 1.71 kWh/m² to a high of 5.96 kWh/m² in June across the year — October's 3.06 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.4Moderate
63.4Moderate
73.4Moderate
83.3Moderate
93.3Moderate
103.3Moderate
113.2Moderate
123.2Moderate
133.2Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.0Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.8Moderate
242.8Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.5Moderate
Planning a trip in October

Hazard calendar for Sparta

In seasonPeak

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

Sparta 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 October a good time to visit Sparta?

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

5.4
Sightseeing
6th-best month of the year
1.4
Beach & pool
6th-best month of the year

October is a reasonable time to visit Sparta for sightseeing.

What to pack for Sparta in October

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

In October, Sparta sees daytime highs around 62°F and nights near 45°F. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Sparta in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sparta peaks around July 11 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 11UV 8Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Sparta in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sparta is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1416 µg/m³Nov 157 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Good
Apr12Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug13Moderate
Sep11Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is Sparta?

Sparta sits at 41.0°N, 74.6°W, 748 ft above sea level, in United States. The nearest listed city is Hopatcong Hills, 6.2 mi away.

Topography around Sparta

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

Within 2 miles, the terrain around Sparta has only modest variations in elevation — a maximum elevation change of 745 ft around an average of 899 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,079 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,530 ft.

The land around Sparta is covered by trees (76%) within 2 miles, trees (80%) within 10 miles, and trees (75%) within 50 miles.

2 miles
745 ft
10 miles
1,079 ft
50 miles
2,530 ft
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Hopatcong Hills 6.2 mi · Dover 11 mi · Denville 13 mi · Randolph 13 mi · West Milford 16 mi · Parsippany 16 mi · Morristown 18 mi · Wayne 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 Sparta (41.0334°, -74.6385°, elevation 748 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). 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).