Oakdale weather in December

In December, Oakdale sees average daytime highs of 57°F and overnight lows near 41°F, with 4.0 in of precipitation across 8.5 wet days and about 9.4 hours of daylight. It is the 12th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 59°F in the first days to 56°F by the end. The sky is clear or mostly clear about 39% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of December to 9 h 24 min by month's end. Set against the rest of the year, December is Oakdale's 10th-clearest and 9th-windiest month. For the whole year in context, see Oakdale's year-round climate.

Daytime high
57°
12th warmest
Overnight low
41°
1st coldest
Precipitation
4.0 in
8.5 wet days
Daylight
9 h 24 min
7:18 AM – 4:42 PM
Cloud cover
53%
10th clearest
Wind
5 mph
9th windiest
Solar energy
2.3 kWh/m²
Travel score
4.3
out of 10

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

Density
1,410/km²
people per km²
Founded
1906

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 59°F in the first days to 56°F by the end.

A typical December day in Oakdale reaches about 57°F in the afternoon and slips back to 41°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 51°F and 63°F. Set against its neighbours, December runs about 8°F cooler than November and on par with January.

30°40°50°60°70°151015202531
Avg high (°F)Avg low (°F)
16042
26042
35942
45942
55942
65942
75842
85842
95842
105842
115841
125741
135741
145741
155741
165741
175741
185640
195640
205640
215640
225640
235640
245640
255640
265640
275640
285640
295640
305640
315640

How December really feels in Oakdale

Once humidity and wind are folded in, December 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

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Oakdale weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan58° / 41°4.48.79.74.4
Feb61° / 44°4.1910.55.2
Mar66° / 46°3.68.111.76.5
Apr72° / 50°1.85.212.97.6
May80° / 55°1.13.4147.9
Jun88° / 61°0.20.914.65.9
Jul92° / 65°0.00.114.34.5
Aug91° / 64°0.00.113.54.9
Sep87° / 60°0.10.612.36.6
Oct77° / 53°1.12.6118.5
Nov65° / 46°2.25.7106.7
Dec57° / 41°4.08.59.44.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25743
35644
45545
55545
65446
75446
85347
95347
105347
115347
125248
135248
145248
155248
165248
175347
185347
195347
205248
215248
225248
235248
245248
255248
265149
275149
285149
295050
305050
315050

Chance of precipitation in December

Any precipitation

Oakdale gets around 4.0 in of rain and snow over 8.5 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 28% and peaks near 30% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
326
427
527
628
728
828
929
1029
1129
1229
1330
1429
1529
1629
1729
1828
1928
2028
2127
2227
2327
2427
2527
2627
2726
2826
2927
3027
3127

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in December

Winds average 5 mph in December.

Across December, 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 December

DaylightNight

Daylight runs from about 9 h 36 min at the start of December to 9 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:06 AM to 7:24 AM, and sunset from 4:40 PM to 4:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:064:40
29.67:074:40
39.57:084:40
49.57:094:40
59.57:094:40
69.57:104:40
79.57:114:40
89.57:124:40
99.57:134:40
109.47:134:40
119.47:144:40
129.47:154:41
139.47:164:41
149.47:164:41
159.47:174:41
169.47:184:42
179.47:184:42
189.47:194:42
199.47:194:43
209.47:204:43
219.47:204:43
229.47:214:44
239.47:214:44
249.47:224:45
259.47:224:45
269.47:234:46
279.47:234:47
289.47:234:47
299.47:234:48
309.47:244:48
319.47:244:49

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.3 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.3 kWh/m² to a high of 8.24 kWh/m² in June across the year — December's 2.3 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.4Moderate
32.4Moderate
42.4Moderate
52.3Moderate
62.3Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.3Moderate
112.3Moderate
122.2Moderate
132.2Moderate
142.2Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.2Moderate
202.3Moderate
212.3Moderate
222.3Moderate
232.3Moderate
242.3Moderate
252.3Moderate
262.3Moderate
272.3Moderate
282.3Moderate
292.3Moderate
302.3Moderate
312.3Moderate
Planning a trip in December

Hazard calendar for Oakdale

In seasonPeak

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

Oakdale'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 December a good time to visit Oakdale?

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

4.3
Sightseeing
12th-best month of the year
0.1
Beach & pool
11th-best month of the year

December is a reasonable time to visit Oakdale for sightseeing.

What to pack for Oakdale in December

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

In December, Oakdale sees daytime highs around 57°F and nights near 41°F. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Oakdale in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Oakdale 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 Oakdale in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Oakdale 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 Oakdale?

Oakdale sits at 37.8°N, 120.8°W, 157 ft above sea level, in United States. The nearest listed city is Riverbank, 5.0 mi away.

Topography around Oakdale

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

Within 2 miles, the terrain around Oakdale has only modest variations in elevation — a maximum elevation change of 151 ft around an average of 171 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 518 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,355 ft.

The land around Oakdale is covered by trees (38%) and artificial surfaces (32%) within 2 miles, trees (43%) and grassland (31%) within 10 miles, and grassland (41%) and trees (34%) within 50 miles.

2 miles
151 ft
10 miles
518 ft
50 miles
6,355 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Riverbank 5.0 mi · Modesto 12 mi · Ceres 13 mi · Ripon 16 mi · Turlock 19 mi · Manteca 21 mi · Lathrop 24 mi · Patterson 25 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 Oakdale (37.7666°, -120.8471°, elevation 157 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).