Somerton weather in October

In October, Somerton sees average daytime highs of 91°F and overnight lows near 67°F, with 0.2 in of rain across 0.9 wet days and about 11.2 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 96°F in the first days to 85°F by the end. The sky is clear or mostly clear about 83% 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 Somerton's 3rd-clearest and 11th-windiest month. For the whole year in context, see Somerton's year-round climate.

Daytime high
91°
6th warmest
Overnight low
67°
7th coldest
Rainfall
0.2 in
0.9 wet days
Daylight
11 h 12 min
6:48 AM – 5:59 PM
Cloud cover
16%
3rd clearest
Wind
6 mph
11th windiest
Solar energy
5.23 kWh/m²
Travel score
4.9
out of 10

Somerton is city in Yuma County, Arizona, United States.

Density
782/km²
people per km²
Founded
1898

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 96°F in the first days to 85°F by the end.

A typical October day in Somerton reaches about 91°F in the afternoon and slips back to 67°F overnight — a 24°F spread between the day's warmth and the night's chill. On most days the high lands between 81°F and 99°F. Set against its neighbours, October runs about 10°F cooler than September and about 12°F warmer than November.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
19672
29672
39671
49571
59571
69470
79470
89469
99369
109369
119368
129268
139267
149267
159167
169167
179166
189066
199065
208965
218965
228964
238864
248864
258763
268763
278662
288662
298562
308561
318461

How October really feels in Somerton

Once humidity and wind are folded in, October averages 19 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
19
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Somerton 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 daysDaylight (hours)Travel score
Jan71° / 49°0.41.510.18.4
Feb74° / 52°0.52.310.88.6
Mar81° / 56°0.41.511.88.1
Apr87° / 61°0.10.612.86.1
May95° / 68°0.00.213.73.5
Jun103° / 75°0.00.214.10.7
Jul106° / 83°0.21.513.90.0
Aug106° / 84°0.42.913.20.0
Sep101° / 78°0.52.212.21.2
Oct91° / 67°0.20.911.24.9
Nov78° / 56°0.20.810.38.6
Dec69° / 48°0.41.79.98.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 83% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 7% of October, with mostly cloudy or overcast conditions the remaining 9%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1928
2928
3928
4928
5928
6928
7928
8919
9919
10919
11919
12919
13919
14919
15919
16919
17919
18928
19919
20919
21919
22919
239010
249010
259010
269010
279010
288911
298911
308812
318812

Chance of precipitation in October

Any precipitation

Somerton gets around 0.2 in of rain over 0.9 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 3% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
23
33
43
53
63
73
83
93
103
113
123
133
143
153
163
173
183
193
203
213
223
233
242
252
262
272
282
292
302
312

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 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
16415993
26515992
36714982
46814882
57013872
67212871
77312861
87411861
97511851
107710850
117810840
127810840
138010730
14819730
15819730
16829720
17829720
18829720
19839710
20839710
21849610
22849610
23859510
24869500
25888400
26888400
27898300
28907300
29907300
30926200
31926200

Wind in October

Winds average 6 mph in October.

Across October, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 6:37 AM to 7:01 AM, and sunset from 6:18 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:376:18
211.66:386:17
311.66:396:16
411.66:396:14
511.56:406:13
611.56:416:12
711.56:426:10
811.46:426:09
911.46:436:08
1011.46:446:07
1111.36:456:05
1211.36:456:04
1311.36:466:03
1411.26:476:02
1511.26:486:00
1611.26:485:59
1711.16:495:58
1811.16:505:57
1911.16:515:56
2011.16:525:55
2111.06:525:54
2211.06:535:53
2311.06:545:52
2410.96:555:51
2510.96:565:50
2610.96:575:49
2710.86:575:48
2810.86:585:47
2910.86:595:46
3010.77:005:45
3110.77:015:44

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.23 kWh/m².

For context, solar energy here swings from a low near 3.4 kWh/m² to a high of 8.49 kWh/m² in June across the year — October's 5.23 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.3Bright
155.3Bright
165.2Bright
175.2Bright
185.2Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.8Bright
264.8Bright
274.8Bright
284.7Bright
294.7Bright
304.6Bright
314.6Bright
Planning a trip in October

Is October a good time to visit Somerton?

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

4.9
Sightseeing
7th-best month of the year
8.1
Beach & pool
3rd-best month of the year

October is a reasonable time to visit Somerton for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Somerton in October

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

In October, Somerton sees daytime highs around 91°F and nights near 67°F. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Somerton 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 Somerton peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJun 23UV 11Dec 18UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate
Location & terrain

Where is Somerton?

Somerton sits at 32.6°N, 114.7°W, 105 ft above sea level, in United States. The nearest listed city is San Luis, 8.7 mi away.

Topography around Somerton

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

Within 2 miles, the terrain around Somerton has only modest variations in elevation — a maximum elevation change of 69 ft around an average of 105 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 771 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,655 ft.

The land around Somerton is covered by cropland (77%) within 2 miles, cropland (43%) and bare terrain (35%) within 10 miles, and bare terrain (72%) within 50 miles.

2 miles
69 ft
10 miles
771 ft
50 miles
3,655 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: San Luis 8.7 mi · Yuma 9.9 mi · San Luis Río Colorado 11 mi · Fortuna Foothills 18 mi · Ciudad Guadalupe Victoria 31 mi · Puebla 37 mi · Mexicali 43 mi · Calexico 46 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 Somerton (32.5964°, -114.7097°, elevation 105 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).