Dixon weather in January

In January, Dixon sees average daytime highs of 58°F and overnight lows near 42°F, with 4.4 in of rain across 9.3 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 56°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 24 min at the start of January to 10 hours by month's end. Set against the rest of the year, January is Dixon's 12th-clearest and 11th-windiest month. For the whole year in context, see Dixon's year-round climate.

Daytime high
58°
11th warmest
Overnight low
42°
2nd coldest
Rainfall
4.4 in
9.3 wet days
Daylight
9 h 36 min
7:29 AM – 5:04 PM
Cloud cover
60%
12th clearest
Wind
5 mph
11th windiest
Solar energy
2.21 kWh/m²
Travel score
4.4
out of 10

Dixon is city in Solano County, California, United States.

Density
1,036/km²
people per km²
Founded
1878

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 56°F in the first days to 60°F by the end.

A typical January day in Dixon reaches about 58°F in the afternoon and slips back to 42°F overnight — a 16°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)
15641
25641
35641
45641
55641
65641
75741
85741
95741
105742
115742
125742
135742
145742
155842
165842
175842
185842
195842
205842
215842
225942
235942
245942
255943
265943
276043
286043
296043
306043
316043

How January really feels in Dixon

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.

Dixon 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°4.49.39.64.4
Feb62° / 44°4.08.910.55.4
Mar67° / 47°3.28.611.76.5
Apr73° / 51°1.45137.7
May81° / 56°0.83.414.17.6
Jun89° / 60°0.2114.65.6
Jul92° / 61°0.00.114.44.7
Aug91° / 61°0.00.113.54.9
Sep88° / 59°0.10.412.36.1
Oct79° / 54°1.03.1118.2
Nov66° / 46°2.16.29.96.7
Dec58° / 42°4.099.44.4

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 12% of January, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24555
34456
44456
54357
64357
74357
84357
94357
104456
114357
124357
134456
144357
154456
164456
174555
184555
194555
204555
214654
224654
234555
244555
254555
264555
274654
284456
294555
304555
314555

Chance of precipitation in January

Any precipitation

Dixon gets around 4.4 in of rain over 9.3 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 30% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
330
430
530
630
730
830
930
1030
1130
1230
1331
1431
1531
1631
1732
1832
1932
2032
2132
2231
2331
2431
2530
2630
2729
2829
2928
3028
3127

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
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
161000
171000
181000
191000
201000
211000
221000
231000
241000
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 24 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 36 minutes over January. Sunrise moves from 7:30 AM to 7:21 AM, and sunset from 4:51 PM to 5:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.47:304:51
29.47:304:52
39.47:304:53
49.47:304:54
59.47:304:54
69.47:304:55
79.47:304:56
89.47:304:57
99.57:304:58
109.57:304:59
119.57:305:00
129.57:305:01
139.57:295:02
149.67:295:02
159.67:295:03
169.67:295:04
179.67:285:05
189.67:285:06
199.77:285:07
209.77:275:09
219.77:275:10
229.77:265:11
239.87:265:12
249.87:255:13
259.87:255:14
269.87:245:15
279.97:245:16
289.97:235:17
299.97:225:18
3010.07:225:19
3110.07:215:20

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.21 kWh/m².

For context, solar energy here swings from a low near 2.07 kWh/m² to a high of 8.18 kWh/m² in July across the year — January's 2.21 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 Dixon

In seasonPeak

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

Dixon'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 Dixon?

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

4.4
Sightseeing
11th-best month of the year
0.1
Beach & pool
12th-best month of the year

January is a reasonable time to visit Dixon for sightseeing.

What to pack for Dixon in January

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

In January, Dixon sees daytime highs around 58°F and nights near 42°F. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Dixon 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 Dixon peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 highHighModerateJun 23UV 10Dec 13UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr6High
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Dixon 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 Dixon is worst in August — around 27 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (June, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateAug 2126 µg/m³Jun 138 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar15Moderate
Apr12Good
May9Good
Jun8Good
Jul11Good
Aug27Moderate
Sep23Moderate
Oct17Moderate
Nov19Moderate
Dec14Moderate
Location & terrain

Where is Dixon?

Dixon sits at 38.4°N, 121.8°W, 62 ft above sea level, in United States. The nearest listed city is Davis, 8.1 mi away.

Topography around Dixon

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

Within 2 miles, the terrain around Dixon has only modest variations in elevation — a maximum elevation change of 66 ft around an average of 62 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 699 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,459 ft.

The land around Dixon is covered by cropland (41%), artificial surfaces (26%) and trees (21%) within 2 miles, cropland (44%) and grassland (32%) within 10 miles, and grassland (34%), trees (25%) and cropland (24%) within 50 miles.

2 miles
66 ft
10 miles
699 ft
50 miles
4,459 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Davis 8.1 mi · Vacaville 11 mi · Woodland 16 mi · Fairfield 18 mi · West Sacramento 19 mi · Suisun 19 mi · Sacramento 20 mi · Laguna 22 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 Dixon (38.4455°, -121.8233°, elevation 62 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).