Allen weather in October

In October, Allen sees average daytime highs of 77°F and overnight lows near 58°F, with 3.9 in of rain across 7.8 wet days and about 11.2 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 82°F in the first days to 72°F by the end. The sky is clear or mostly clear about 54% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of October to 10 h 42 min by month's end. Set against the rest of the year, October is Allen's 3rd-clearest and 8th-windiest month. For the whole year in context, see Allen's year-round climate.

Daytime high
77°
6th warmest
Overnight low
58°
7th coldest
Rainfall
3.9 in
7.8 wet days
Daylight
11 h 12 min
6:37 AM – 5:47 PM
Cloud cover
41%
3rd clearest
Wind
8 mph
8th windiest
Solar energy
4 kWh/m²
Travel score
7.4
out of 10

Allen is city in Collin County, Texas, United States.

Density
1,431/km²
people per km²
Founded
1953

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 82°F in the first days to 72°F by the end.

A typical October day in Allen reaches about 77°F in the afternoon and slips back to 58°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 66°F and 87°F. Set against its neighbours, October runs about 10°F cooler than September and about 11°F warmer than November.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18363
28263
38262
48262
58162
68161
78061
88060
98060
107960
117959
127959
137859
147858
157858
167758
177757
187657
197656
207656
217556
227555
237455
247455
257454
267354
277354
287253
297253
307153
317152

How October really feels in Allen

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.

Allen 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
Jan56° / 38°2.86.90.410.14.1
Feb60° / 41°2.97.50.510.85.0
Mar67° / 48°3.99.20.211.76.4
Apr75° / 56°4.38.4012.87.2
May82° / 65°5.411.1013.76.0
Jun89° / 73°3.48.4014.14.3
Jul94° / 76°1.860143.2
Aug94° / 76°2.15.3013.23.3
Sep87° / 69°2.86.3012.25.3
Oct77° / 58°3.97.8011.27.4
Nov66° / 47°3.67.10.110.36.6
Dec57° / 40°3.67.10.29.94.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 11% of October, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27426
37426
47327
57129
67030
76931
86733
96733
106634
116535
126535
136436
146436
156436
166436
176436
186436
196337
206436
216436
226436
236436
246436
256436
266337
276337
286337
296238
306238
316238

Chance of precipitation in October

Any precipitation

Allen gets around 3.9 in of rain over 7.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
119
219
320
421
522
622
723
824
925
1025
1126
1226
1326
1426
1526
1625
1725
1825
1925
2025
2125
2225
2325
2425
2525
2626
2726
2826
2926
3026
3126

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1351919189
2361919178
3381919168
4391919167
5401919167
6411919157
7421918156
8431918146
9441918145
10451918145
11471917134
12481917134
13491916133
14501916123
15511916122
16502016122
17522015121
18532015111
19532015111
20541915111
21551914111
22561914101
23571913101
24571913101
25581813101
2659181391
2762171290
2862171290
2964161280
3064161280
3166151170

Wind in October

Winds average 8 mph in October.

Across October, 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
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
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 42 min at the start of October to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over October. Sunrise moves from 6:25 AM to 6:50 AM, and sunset from 6:06 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:256:06
211.66:266:05
311.66:276:03
411.66:286:02
511.56:286:01
611.56:295:59
711.56:305:58
811.46:315:57
911.46:315:55
1011.46:325:54
1111.36:335:53
1211.36:345:52
1311.36:345:50
1411.26:355:49
1511.26:365:48
1611.26:375:47
1711.16:385:45
1811.16:385:44
1911.16:395:43
2011.06:405:42
2111.06:415:41
2211.06:425:40
2310.96:435:39
2410.96:435:38
2510.96:445:37
2610.86:455:36
2710.86:465:35
2810.86:475:34
2910.86:485:33
3010.76:495:32
3110.76:505:31

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4 kWh/m².

For context, solar energy here swings from a low near 2.56 kWh/m² to a high of 6.79 kWh/m² in July across the year — October's 4 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.2Bright
124.2Bright
134.1Bright
144.1Bright
154.0Bright
164.0Moderate
174.0Moderate
183.9Moderate
193.9Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.7Moderate
243.7Moderate
253.6Moderate
263.6Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.4Moderate
313.4Moderate
Planning a trip in October

Is October a good time to visit Allen?

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

7.4
Sightseeing
1st-best month of the year
6.6
Beach & pool
6th-best month of the year

October is one of the better times to visit Allen for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Allen in October

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

In October, Allen sees daytime highs around 77°F and nights near 58°F. Worth packing: light clothes. About 8 days see rain.

light clothes

UV index in Allen in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Allen peaks around July 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 17UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr9Very high
May9Very high
Jun10Very high
Jul10Extreme
Aug10Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Allen 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 Allen is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (October, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1519 µg/m³Oct 248 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar10Good
Apr11Good
May14Moderate
Jun16Moderate
Jul19Moderate
Aug15Moderate
Sep11Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Allen?

Allen sits at 33.1°N, 96.7°W, 659 ft above sea level, in United States. The nearest listed city is Plano, 6.2 mi away.

Topography around Allen

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

Within 2 miles, the terrain around Allen has only modest variations in elevation — a maximum elevation change of 144 ft around an average of 653 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 328 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 735 ft.

The land around Allen is covered by artificial surfaces (67%) within 2 miles, artificial surfaces (44%), grassland (26%) and trees (20%) within 10 miles, and grassland (48%) and trees (25%) within 50 miles.

2 miles
144 ft
10 miles
328 ft
50 miles
735 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Plano 6.2 mi · Murphy 6.8 mi · McKinney 7.5 mi · Frisco 9.3 mi · Wylie 9.9 mi · Sachse 9.9 mi · Richardson 11 mi · Prosper 12 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 Allen (33.1032°, -96.6706°, elevation 659 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).