Turlock weather in January

In January, Turlock sees average daytime highs of 58°F and overnight lows near 42°F, with 3.5 in of rain across 8.2 wet days and about 9.7 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 36% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of January to 10 h 06 min by month's end. Set against the rest of the year, January is Turlock's 12th-clearest and 11th-windiest month. For the whole year in context, see Turlock's year-round climate.

Daytime high
58°
11th warmest
Overnight low
42°
2nd coldest
Rainfall
3.5 in
8.2 wet days
Daylight
9 h 42 min
7:22 AM – 5:03 PM
Cloud cover
55%
12th clearest
Wind
4 mph
11th windiest
Solar energy
2.51 kWh/m²
Travel score
4.7
out of 10

Turlock is city in Stanislaus County, California, United States.

Density
1,649/km²
people per km²
Founded
1908

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 Turlock 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 53°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)
15740
25741
35741
45741
55741
65741
75741
85841
95841
105841
115841
125841
135842
145842
155842
165842
175842
185842
195942
205942
215942
225942
235942
245942
256042
266042
276042
286042
296043
306043
316143

How January really feels in Turlock

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.

Turlock 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°3.58.29.74.7
Feb62° / 44°3.18.410.65.6
Mar68° / 48°2.77.911.76.8
Apr74° / 51°1.34.612.97.9
May83° / 57°0.82.8147.3
Jun91° / 63°0.10.814.54.9
Jul95° / 67°0.00.214.33.4
Aug94° / 66°0.00.113.44.0
Sep88° / 62°0.10.512.35.9
Oct79° / 55°0.82.4118.4
Nov66° / 46°1.55107.1
Dec58° / 41°3.07.69.54.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24852
34852
44852
54852
64951
74951
84852
94951
104951
115050
124951
135050
145050
155050
165149
175149
185149
195149
205149
215050
225050
235050
245050
255050
264951
275050
285050
295050
304951
315050

Chance of precipitation in January

Any precipitation

Turlock gets around 3.5 in of rain over 8.2 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 26% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
226
326
426
526
626
726
826
926
1026
1126
1226
1326
1427
1527
1627
1728
1828
1928
2028
2128
2228
2327
2427
2527
2626
2726
2825
2925
3025
3125

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 (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
191000
201000
211000
221000
231000
241000
251000
261000
271000
28991
29991
30991
31991

Wind in January

Winds average 4 mph in January.

Across January, daily wind ranges from about 4 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
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 30 min at the start of January to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 7:23 AM to 7:15 AM, and sunset from 4:50 PM to 5:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.57:234:50
29.57:234:51
39.57:234:52
49.57:234:52
59.57:234:53
69.57:234:54
79.57:244:55
89.57:234:56
99.67:234:57
109.67:234:57
119.67:234:58
129.67:234:59
139.67:235:00
149.67:235:01
159.77:235:02
169.77:225:03
179.77:225:04
189.77:225:05
199.77:215:06
209.87:215:07
219.87:215:08
229.87:205:09
239.87:205:10
249.97:195:11
259.97:195:12
269.97:185:13
279.97:175:14
2810.07:175:15
2910.07:165:16
3010.07:165:18
3110.17:155:19

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.51 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 8.25 kWh/m² in June across the year — January's 2.51 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.4Moderate
32.4Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.6Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.8Moderate
272.8Moderate
282.9Moderate
292.9Moderate
302.9Moderate
313.0Moderate
Planning a trip in January

Is January a good time to visit Turlock?

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

4.7
Sightseeing
9th-best month of the year
0.1
Beach & pool
12th-best month of the year

January is a reasonable time to visit Turlock for sightseeing.

What to pack for Turlock in January

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

In January, Turlock sees daytime highs around 58°F and nights near 42°F. Worth packing: a warm layer and rain gear. About 8 days see rain.

a warm layerrain gear

UV index in Turlock 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 Turlock peaks around June 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJun 20UV 10Dec 14UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun10Extreme
Jul10Very high
Aug10Very high
Sep7High
Oct5Moderate
Nov2Moderate
Dec2Moderate

Air quality in Turlock 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 Turlock is worst in August — around 29 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (June, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateAug 1928 µg/m³Jun 118 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar14Moderate
Apr11Good
May9Good
Jun8Good
Jul15Moderate
Aug29Moderate
Sep22Moderate
Oct17Moderate
Nov15Moderate
Dec12Moderate
Location & terrain

Where is Turlock?

Turlock sits at 37.5°N, 120.8°W, 102 ft above sea level, in United States. The nearest listed city is Ceres, 9.3 mi away.

Topography around Turlock

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

Within 2 miles, the terrain around Turlock has only modest variations in elevation — a maximum elevation change of 66 ft around an average of 105 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 226 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,820 ft.

The land around Turlock is covered by artificial surfaces (61%) within 2 miles, cropland (38%) and trees (34%) within 10 miles, and grassland (47%) and trees (29%) within 50 miles.

2 miles
66 ft
10 miles
226 ft
50 miles
4,820 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Ceres 9.3 mi · Modesto 13 mi · Patterson 16 mi · Atwater 17 mi · Riverbank 17 mi · Oakdale 19 mi · Ripon 23 mi · Merced 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 Turlock (37.4947°, -120.8466°, elevation 102 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).