Clovis weather in December

In December, Clovis sees average daytime highs of 58°F and overnight lows near 41°F, with 2.8 in of rain across 6.9 wet days and about 9.5 hours of daylight. It is the 12th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 60°F in the first days to 57°F by the end. The sky is clear or mostly clear about 42% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of December to 9 h 30 min by month's end. Set against the rest of the year, December is Clovis's 10th-clearest and 10th-windiest month. For the whole year in context, see Clovis's year-round climate.

Daytime high
58°
12th warmest
Overnight low
41°
1st coldest
Rainfall
2.8 in
6.9 wet days
Daylight
9 h 30 min
7:10 AM – 4:40 PM
Cloud cover
50%
10th clearest
Wind
4 mph
10th windiest
Solar energy
2.46 kWh/m²
Travel score
4.8
out of 10

Clovis is city in Fresno County, California, United States.

Density
1,662/km²
people per km²
Founded
1890

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 60°F in the first days to 57°F by the end.

A typical December day in Clovis reaches about 58°F in the afternoon and slips back to 41°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, 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)
16142
26142
36042
46042
56042
66042
75942
85942
95942
105941
115841
125841
135841
145841
155841
165840
175740
185740
195740
205740
215740
225740
235740
245740
255740
265740
275740
285740
295740
305740
315740

How December really feels in Clovis

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.

Clovis weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan58° / 41°3.57.59.84.8
Feb62° / 44°2.9810.65.7
Mar68° / 47°2.97.311.76.8
Apr74° / 51°1.44.412.97.9
May82° / 58°0.72.713.97.5
Jun91° / 64°0.20.614.54.9
Jul96° / 70°0.10.214.32.9
Aug95° / 69°0.00.213.43.3
Sep89° / 64°0.10.512.25.5
Oct79° / 55°0.82.1118.4
Nov66° / 46°1.44.3107.2
Dec58° / 41°2.86.99.54.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% 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 44%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26238
36139
46040
56040
65842
75842
85743
95743
105743
115644
125644
135644
145644
155644
165644
175644
185644
195644
205644
215644
225644
235446
245446
255446
265347
275248
285248
295149
305149
315149

Chance of precipitation in December

Any precipitation

Clovis gets around 2.8 in of rain over 6.9 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 22% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
119
220
320
420
520
621
721
821
921
1021
1121
1222
1322
1422
1522
1622
1723
1823
1923
2023
2123
2223
2323
2424
2524
2624
2724
2824
2924
3024
3124

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 4 mph in December.

Across December, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
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 December

DaylightNight

Daylight runs from about 9 h 42 min at the start of December to 9 h 30 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 6:59 AM to 7:17 AM, and sunset from 4:38 PM to 4:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.76:594:38
29.67:004:38
39.67:004:38
49.67:014:38
59.67:024:38
69.67:034:38
79.67:044:38
89.67:054:38
99.57:054:38
109.57:064:38
119.57:074:38
129.57:084:39
139.57:084:39
149.57:094:39
159.57:104:39
169.57:104:40
179.57:114:40
189.57:114:40
199.57:124:41
209.57:134:41
219.57:134:42
229.57:144:42
239.57:144:42
249.57:144:43
259.57:154:44
269.57:154:44
279.57:164:45
289.57:164:45
299.57:164:46
309.57:164:47
319.57:174:47

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.46 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 8.26 kWh/m² in June across the year — December's 2.46 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.5Moderate
82.5Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.4Moderate
172.4Moderate
182.4Moderate
192.4Moderate
202.4Moderate
212.4Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in December

Is December a good time to visit Clovis?

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

4.8
Sightseeing
9th-best month of the year
0.2
Beach & pool
11th-best month of the year

December is a reasonable time to visit Clovis for sightseeing.

What to pack for Clovis in December

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

In December, Clovis sees daytime highs around 58°F and nights near 41°F. Worth packing: a warm layer. About 7 days see rain.

a warm layer

UV index in Clovis 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 Clovis peaks around June 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 highExtremeVery highHighModerateJun 20UV 10Dec 17UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun11Extreme
Jul10Very high
Aug10Very high
Sep7High
Oct5Moderate
Nov2Moderate
Dec2Moderate

Air quality in Clovis 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 Clovis is worst in September — around 28 µg/m³ PM2.5 (moderate), about 3.8× the cleanest month (June, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1828 µg/m³Jun 108 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar17Moderate
Apr12Good
May9Good
Jun7Good
Jul23Moderate
Aug22Moderate
Sep28Moderate
Oct24Moderate
Nov16Moderate
Dec13Moderate
Location & terrain

Where is Clovis?

Clovis sits at 36.8°N, 119.7°W, 361 ft above sea level, in United States. The nearest listed city is Fresno, 6.8 mi away.

Topography around Clovis

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

Within 2 miles, the terrain around Clovis has only modest variations in elevation — a maximum elevation change of 66 ft around an average of 364 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,394 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,479 ft.

The land around Clovis is covered by artificial surfaces (78%) within 2 miles, artificial surfaces (36%) and grassland (34%) within 10 miles, and trees (38%), grassland (32%) and cropland (23%) within 50 miles.

2 miles
66 ft
10 miles
1,394 ft
50 miles
10,479 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Fresno 6.8 mi · Sanger 11 mi · Parlier 17 mi · Selma 18 mi · Reedley 21 mi · Madera 22 mi · Dinuba 26 mi · Hanford 35 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 Clovis (36.8252°, -119.7029°, elevation 361 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).