Monroe weather in October

In October, Monroe sees average daytime highs of 61°F and overnight lows near 45°F, with 2.6 in of precipitation across 9.2 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 67°F in the first days to 55°F by the end. The sky is clear or mostly clear about 30% 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 Monroe's 5th-clearest and 7th-windiest month. For the whole year in context, see Monroe's year-round climate.

Daytime high
61°
6th warmest
Overnight low
45°
7th coldest
Precipitation
2.6 in
9.2 wet days
Daylight
10 h 48 min
6:53 AM – 5:44 PM
Cloud cover
61%
5th clearest
Wind
9 mph
7th windiest
Solar energy
2.99 kWh/m²
Travel score
5.1
out of 10

Monroe is city in and county seat of Monroe County, Michigan, United States.

Density
762/km²
people per km²
Founded
1817

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

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 55°F by the end.

A typical October day in Monroe reaches about 61°F in the afternoon and slips back to 45°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 50°F and 73°F. Set against its neighbours, October runs about 12°F cooler than September and about 13°F warmer than November.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16850
26750
36749
46649
56649
66648
76548
86547
96447
106447
116446
126346
136346
146245
156245
166145
176144
186044
196044
205943
215943
225843
235842
245742
255742
265641
275641
285641
295540
305540
315440

How October really feels in Monroe

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.

Monroe weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan32° / 20°2.59.95.99.30.0
Feb35° / 21°2.18.45.310.30.0
Mar44° / 29°2.79.73.611.70.9
Apr57° / 40°3.611.9113.13.8
May69° / 51°3.612.2014.36.0
Jun79° / 61°3.510.60156.5
Jul83° / 65°3.410.4014.76.0
Aug80° / 64°3.39.8013.76.6
Sep74° / 56°2.58.5012.37.0
Oct61° / 45°2.69.20.110.95.1
Nov48° / 35°2.78.51.39.61.8
Dec37° / 26°2.49.1490.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35050
45050
55149
65050
75050
84951
94951
104951
114852
124852
134753
144654
154555
164456
174357
184258
194060
204060
213862
223862
233664
243664
253565
263565
273565
283466
293466
303466
313466

Chance of precipitation in October

Any precipitation

Monroe gets around 2.6 in of rain and snow over 9.2 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 29% and peaks near 32% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
328
428
528
627
727
827
927
1028
1128
1228
1328
1429
1529
1629
1730
1830
1931
2031
2132
2232
2332
2432
2532
2632
2731
2831
2930
3030
3129

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1731764
2741664
3761653
4761653
5771553
6781543
7791443
8791443
9811342
10831232
11841132
12841132
13861031
1488921
1589821
1689821
1791720
1891720
1992620
2092620
2193520
2293520
2394510
2494510
2594510
2694510
2794510
2894510
2995410
3095410
3195410

Wind in October

Winds average 9 mph in October.

Across October, daily wind ranges from about 9 mph on the calmest days to 10 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
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze
3110light breeze

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 6:36 AM to 7:11 AM, and sunset from 6:09 PM to 5:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:366:09
211.56:376:07
311.56:386:06
411.46:396:04
511.46:406:02
611.36:426:01
711.36:435:59
811.26:445:57
911.26:455:55
1011.16:465:54
1111.16:475:52
1211.06:485:50
1311.06:505:49
1410.96:515:47
1510.96:525:46
1610.86:535:44
1710.86:545:42
1810.86:565:41
1910.76:575:39
2010.76:585:38
2110.66:595:36
2210.67:005:35
2310.57:025:34
2410.57:035:32
2510.47:045:31
2610.47:055:29
2710.47:075:28
2810.37:085:27
2910.37:095:25
3010.27:105:24
3110.27:115:23

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.99 kWh/m².

For context, solar energy here swings from a low near 1.51 kWh/m² to a high of 6.41 kWh/m² in June across the year — October's 2.99 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.4Moderate
103.3Moderate
113.3Moderate
123.2Moderate
133.2Moderate
143.1Moderate
153.1Moderate
163.0Moderate
173.0Moderate
182.9Moderate
192.9Moderate
202.8Moderate
212.8Moderate
222.7Moderate
232.7Moderate
242.6Moderate
252.6Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.4Moderate
302.4Moderate
312.4Moderate
Planning a trip in October

Is October a good time to visit Monroe?

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

5.1
Sightseeing
6th-best month of the year
1.2
Beach & pool
6th-best month of the year

October is a reasonable time to visit Monroe for sightseeing.

What to pack for Monroe in October

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

In October, Monroe sees daytime highs around 61°F and nights near 45°F. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Monroe in October

The nearest coast averages about 58°F in October — 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 75°F and coldest in February near 33°F.

It's comfortable for a long swim from Jun 20 to Sep 20 — about 3.1 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan34Bracing
Feb33Bracing
Mar36Bracing
Apr44Bracing
May56Bracing
Jun67Cool
Jul75Refreshing
Aug75Warm
Sep70Refreshing
Oct58Bracing
Nov46Bracing
Dec38Bracing

UV index in Monroe 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 Monroe peaks around June 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 highHighModerateLowJun 19UV 9Dec 19UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May7Very high
Jun9Very high
Jul8Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Monroe 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 Monroe is worst in July — around 16 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (October, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1216 µg/m³Oct 239 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar14Moderate
Apr14Moderate
May15Moderate
Jun16Moderate
Jul16Moderate
Aug15Moderate
Sep12Moderate
Oct9Good
Nov9Good
Dec10Good
Location & terrain

Where is Monroe?

Monroe sits at 41.9°N, 83.4°W, 597 ft above sea level, in United States. The nearest listed city is Trenton, 19 mi away.

Topography around Monroe

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

Within 2 miles, the terrain around Monroe has only modest variations in elevation — a maximum elevation change of 131 ft around an average of 597 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 230 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 863 ft.

The land around Monroe is covered by trees (38%) and artificial surfaces (31%) within 2 miles, cropland (35%) and water (31%) within 10 miles, and cropland (37%), trees (23%) and water (22%) within 50 miles.

2 miles
131 ft
10 miles
230 ft
50 miles
863 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Trenton 19 mi · Toledo 19 mi · Oregon 19 mi · Romulus 21 mi · Sylvania 21 mi · Southgate 23 mi · Taylor 24 mi · Wyandotte 24 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 Monroe (41.9164°, -83.3977°, elevation 597 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. 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).