Rio Linda weather in October

In October, Rio Linda sees average daytime highs of 79°F and overnight lows near 54°F, with 1.3 in of rain across 3.1 wet days and about 11 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 84°F in the first days to 74°F by the end. The sky is clear or mostly clear about 69% 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 24 min by month's end. Set against the rest of the year, October is Rio Linda's 5th-clearest and 10th-windiest month. For the whole year in context, see Rio Linda's year-round climate.

Daytime high
79°
6th warmest
Overnight low
54°
7th coldest
Rainfall
1.3 in
3.1 wet days
Daylight
11 hours
6:22 AM – 5:20 PM
Cloud cover
28%
5th clearest
Wind
5 mph
10th windiest
Solar energy
4.23 kWh/m²
Travel score
8.1
out of 10

Rio Linda is census-designated place in Sacramento County, California, United States.

Density
589/km²
people per km²

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 84°F in the first days to 74°F by the end.

A typical October day in Rio Linda reaches about 79°F in the afternoon and slips back to 54°F overnight — a 26°F spread between the day's warmth and the night's chill. On most days the high lands between 69°F and 89°F. Set against its neighbours, October runs about 10°F cooler than September and about 13°F warmer than November.

40°60°80°100°151015202531
Avg high (°F)Avg low (°F)
18557
28457
38457
48456
58356
68356
78356
88256
98255
108255
118155
128155
138155
148054
158054
168054
177954
187953
197853
207853
217853
227752
237752
247652
257651
267551
277551
287451
297450
307350
317350

How October really feels in Rio Linda

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.

Rio Linda weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan58° / 42°4.79.99.64.4
Feb62° / 44°4.49.410.55.4
Mar67° / 47°3.7911.76.5
Apr74° / 51°1.75.6137.6
May83° / 57°1.03.714.17.2
Jun91° / 61°0.21.114.74.8
Jul94° / 63°0.0014.43.7
Aug93° / 62°0.00.113.54.1
Sep89° / 60°0.10.612.35.6
Oct79° / 54°1.33.1118.1
Nov66° / 46°2.46.59.96.6
Dec58° / 41°4.5109.34.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 69% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 20%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18911
28911
38911
48812
58713
68614
78614
88515
98416
108317
118317
128218
138119
148119
158119
167921
177921
187921
197822
207822
217723
227723
237723
247624
257624
267525
277525
287426
297426
307228
317228

Chance of precipitation in October

Any precipitation

Rio Linda gets around 1.3 in of rain over 3.1 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 9% and peaks near 16% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
15
26
36
46
56
67
77
87
97
107
117
127
138
148
158
168
179
189
199
2010
2111
2211
2312
2412
2513
2613
2714
2814
2915
3015
3116

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
188120
289110
389110
489110
590100
690100
790100
889101
989101
1089101
119091
129091
139091
149181
159181
169271
179271
189271
199361
209361
219361
229451
239451
249550
259550
269640
279640
289640
299640
309640
319640

Wind in October

Winds average 5 mph in October.

Across October, daily wind ranges from about 5 mph on the calmest days to 5 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
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over October. Sunrise moves from 6:07 AM to 6:38 AM, and sunset from 5:43 PM to 5:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:075:43
211.66:085:41
311.56:095:40
411.56:105:38
511.46:115:36
611.46:125:35
711.36:135:33
811.36:145:32
911.36:155:30
1011.26:165:29
1111.26:175:27
1211.16:185:26
1311.16:195:24
1411.16:205:23
1511.06:215:21
1611.06:225:20
1710.96:235:19
1810.96:245:17
1910.96:255:16
2010.86:265:14
2110.86:275:13
2210.76:285:12
2310.76:295:11
2410.76:305:09
2510.66:315:08
2610.66:325:07
2710.56:335:06
2810.56:345:04
2910.56:365:03
3010.46:375:02
3110.46:385:01

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.23 kWh/m².

For context, solar energy here swings from a low near 2.05 kWh/m² to a high of 8.19 kWh/m² in July across the year — October's 4.23 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.7Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.4Bright
144.4Bright
154.3Bright
164.2Bright
174.2Bright
184.1Bright
194.1Bright
204.0Bright
214.0Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.7Moderate
263.7Moderate
273.6Moderate
283.5Moderate
293.5Moderate
303.4Moderate
313.4Moderate
Planning a trip in October

Hazard calendar for Rio Linda

In seasonPeak

None of Rio Linda's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Rio Linda's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Rio Linda?

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

8.1
Sightseeing
1st-best month of the year
7.8
Beach & pool
5th-best month of the year

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

What to pack for Rio Linda in October

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

In October, Rio Linda sees daytime highs around 79°F and nights near 54°F. Worth packing: light clothes. About 3 days see rain.

light clothes

UV index in Rio Linda in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rio Linda peaks around June 20 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 20UV 10Dec 13UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Low
Dec2Low

Air quality in Rio Linda 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 Rio Linda is worst in September — around 41 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (June, 11 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateSep 1140 µg/m³Jun 911 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar18Moderate
Apr15Moderate
May11Good
Jun11Good
Jul21Moderate
Aug37Poor
Sep41Poor
Oct21Moderate
Nov31Moderate
Dec13Moderate
Location & terrain

Where is Rio Linda?

Rio Linda sits at 38.7°N, 121.4°W, 56 ft above sea level, in United States. The nearest listed city is North Highlands, 4.3 mi away.

Topography around Rio Linda

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

Within 2 miles, the terrain around Rio Linda has only modest variations in elevation — a maximum elevation change of 69 ft around an average of 49 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 246 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,269 ft.

The land around Rio Linda is covered by grassland (47%) and artificial surfaces (21%) within 2 miles, artificial surfaces (32%), cropland (25%) and grassland (24%) within 10 miles, and trees (37%), grassland (31%) and cropland (23%) within 50 miles.

2 miles
69 ft
10 miles
246 ft
50 miles
5,269 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: North Highlands 4.3 mi · Foothill Farms 5.6 mi · Antelope 6.2 mi · Arden-Arcade 7.5 mi · Sacramento 8.1 mi · Carmichael 8.1 mi · West Sacramento 8.7 mi · Citrus Heights 9.3 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 Rio Linda (38.691°, -121.4486°, elevation 56 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).