Rio Linda weather in January

In January, Rio Linda sees average daytime highs of 58°F and overnight lows near 42°F, with 4.7 in of rain across 9.9 wet days and about 9.6 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 57°F in the first days to 60°F by the end. The sky is clear or mostly clear about 32% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 18 min at the start of January to 10 hours by month's end. Set against the rest of the year, January is Rio Linda's 12th-clearest and 9th-windiest month. For the whole year in context, see Rio Linda's year-round climate.

Daytime high
58°
11th warmest
Overnight low
42°
2nd coldest
Rainfall
4.7 in
9.9 wet days
Daylight
9 h 36 min
7:28 AM – 5:02 PM
Cloud cover
60%
12th clearest
Wind
5 mph
9th windiest
Solar energy
2.22 kWh/m²
Travel score
4.4
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 January

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 57°F in the first days to 60°F by the end.

A typical January day in Rio Linda reaches about 58°F in the afternoon and slips back to 42°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 65°F. Set against its neighbours, January runs on par with December and about 4°F cooler than February.

30°40°50°60°70°151015202531
Avg high (°F)Avg low (°F)
15640
25640
35641
45641
55741
65741
75741
85741
95741
105741
115741
125741
135841
145842
155842
165842
175842
185842
195842
205842
215942
225942
235942
245942
255942
266042
276042
286043
296043
306043
316143

How January really feels in Rio Linda

Once humidity and wind are folded in, January 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

January 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 January compares with the rest of the year at a glance. January is the 11th-warmest and 1st-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34555
44456
54456
64456
74456
84456
94456
104456
114456
124456
134654
144654
154753
164654
174654
184654
194654
204654
214654
224654
234555
244555
254654
264555
274555
284555
294456
304555
314555

Chance of precipitation in January

Any precipitation

Rio Linda gets around 4.7 in of rain over 9.9 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
333
433
533
632
732
832
932
1032
1132
1232
1332
1432
1532
1632
1732
1833
1933
2033
2133
2233
2333
2432
2532
2632
2732
2831
2931
3031
3130

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in January

Winds average 5 mph in January.

Across January, 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 January

DaylightNight

Daylight runs from about 9 h 18 min at the start of January to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over January. Sunrise moves from 7:29 AM to 7:20 AM, and sunset from 4:49 PM to 5:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.37:294:49
29.37:294:50
39.47:294:51
49.47:294:51
59.47:294:52
69.47:294:53
79.47:294:54
89.47:294:55
99.47:294:56
109.57:294:57
119.57:294:57
129.57:294:58
139.57:294:59
149.57:285:00
159.67:285:01
169.67:285:02
179.67:285:03
189.67:275:04
199.67:275:05
209.77:265:06
219.77:265:07
229.77:255:09
239.77:255:10
249.87:245:11
259.87:245:12
269.87:235:13
279.97:235:14
289.97:225:15
299.97:215:16
309.97:215:17
3110.07:205:18

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.22 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 — January's 2.22 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.1Moderate
32.1Moderate
42.1Moderate
52.1Moderate
62.1Moderate
72.1Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.2Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.3Moderate
192.3Moderate
202.3Moderate
212.3Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.7Moderate
Planning a trip in January

Hazard calendar for Rio Linda

In seasonPeak

In January, Rio Linda sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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 January a good time to visit Rio Linda?

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

4.4
Sightseeing
9th-best month of the year
0.1
Beach & pool
11th-best month of the year

January is a reasonable time to visit Rio Linda for sightseeing.

What to pack for Rio Linda in January

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

In January, Rio Linda sees daytime highs around 58°F and nights near 42°F. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Rio Linda in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 2. 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).