Florence weather in December

In December, Florence sees average daytime highs of 65°F and overnight lows near 43°F, with 1.1 in of rain across 4 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 68°F in the first days to 64°F by the end. The sky is clear or mostly clear about 59% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 hours at the start of December to 9 h 48 min by month's end. Set against the rest of the year, December is Florence's 9th-clearest and 9th-windiest month. For the whole year in context, see Florence's year-round climate.

Daytime high
65°
12th warmest
Overnight low
43°
2nd coldest
Rainfall
1.1 in
4 wet days
Daylight
9 h 48 min
7:27 AM – 5:17 PM
Cloud cover
36%
9th clearest
Wind
5 mph
9th windiest
Solar energy
3.24 kWh/m²
Travel score
7.3
out of 10

Florence is town in and county seat of Pinal County, Arizona, United States.

Density
192/km²
people per km²

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 68°F in the first days to 64°F by the end.

A typical December day in Florence reaches about 65°F in the afternoon and slips back to 43°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 56°F and 74°F. Set against its neighbours, December runs about 10°F cooler than November and on par with January.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16946
26846
36845
46845
56745
66745
76745
86744
96644
106644
116644
126644
136544
146544
156543
166543
176543
186443
196443
206442
216442
226442
236442
246442
256442
266442
276442
286442
296442
306442
316442

How December really feels in Florence

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.

Florence 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
Jan66° / 43°1.23.710.17.4
Feb70° / 46°1.34.110.87.6
Mar77° / 51°0.82.911.78.4
Apr84° / 57°0.31.312.87.2
May93° / 65°0.10.613.74.0
Jun102° / 74°0.10.614.10.7
Jul104° / 81°0.84.1140.1
Aug102° / 80°1.14.513.20.6
Sep98° / 74°0.93.112.22.2
Oct88° / 62°0.52.511.25.9
Nov75° / 51°0.62.210.38.5
Dec65° / 43°1.149.97.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 28%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37228
47228
57228
67228
77228
87228
97228
107228
117228
127228
137228
147228
157228
167327
177327
187327
197327
207327
217327
227228
237129
247129
257129
267030
277030
287030
296931
307030
316931

Chance of precipitation in December

Any precipitation

Florence gets around 1.1 in of rain over 4 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 12% and peaks near 14% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
211
312
412
512
612
712
812
912
1012
1112
1212
1312
1412
1512
1612
1712
1813
1913
2013
2113
2213
2313
2413
2513
2613
2713
2813
2913
3014
3114

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

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 10 hours at the start of December to 9 h 48 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 7:16 AM to 7:33 AM, and sunset from 5:15 PM to 5:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:165:15
210.07:175:15
39.97:185:15
49.97:185:15
59.97:195:15
69.97:205:15
79.97:215:15
89.97:215:15
99.97:225:15
109.97:235:15
119.97:245:15
129.97:245:16
139.87:255:16
149.87:265:16
159.87:265:16
169.87:275:17
179.87:275:17
189.87:285:17
199.87:295:18
209.87:295:18
219.87:305:19
229.87:305:19
239.87:305:20
249.87:315:20
259.87:315:21
269.87:325:21
279.87:325:22
289.87:325:22
299.87:335:23
309.87:335:23
319.87:335:24

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.24 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.24 kWh/m² to a high of 8.46 kWh/m² in June across the year — December's 3.24 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.3Moderate
53.3Moderate
63.3Moderate
73.3Moderate
83.3Moderate
93.2Moderate
103.2Moderate
113.2Moderate
123.2Moderate
133.2Moderate
143.2Moderate
153.2Moderate
163.2Moderate
173.2Moderate
183.2Moderate
193.2Moderate
203.2Moderate
213.2Moderate
223.2Moderate
233.2Moderate
243.2Moderate
253.2Moderate
263.3Moderate
273.3Moderate
283.3Moderate
293.3Moderate
303.3Moderate
313.3Moderate
Planning a trip in December

Is December a good time to visit Florence?

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

7.3
Sightseeing
5th-best month of the year
2.9
Beach & pool
12th-best month of the year

December is one of the better times to visit Florence for general sightseeing.

What to pack for Florence in December

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

In December, Florence sees daytime highs around 65°F and nights near 43°F. Worth packing: a warm layer. About 4 days see rain.

a warm layer

UV index in Florence in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Florence peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 20UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr8Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Florence 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 Florence is worst in June — around 28 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1626 µg/m³Oct 1212 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar14Moderate
Apr14Moderate
May14Moderate
Jun28Moderate
Jul14Moderate
Aug13Moderate
Sep13Moderate
Oct12Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Florence?

Florence sits at 33.0°N, 111.4°W, 1,490 ft above sea level, in United States. The nearest listed city is San Tan Valley, 14 mi away.

Topography around Florence

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

Within 2 miles, the terrain around Florence has only modest variations in elevation — a maximum elevation change of 190 ft around an average of 1,503 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 922 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,251 ft.

The land around Florence is covered by bare terrain (47%) within 2 miles, shrubs (40%) and bare terrain (29%) within 10 miles, and shrubs (62%) within 50 miles.

2 miles
190 ft
10 miles
922 ft
50 miles
7,251 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: San Tan Valley 14 mi · Queen Creek 21 mi · Eloy 21 mi · Casa Grande 24 mi · Apache Junction 28 mi · Gilbert 32 mi · Chandler 32 mi · Mesa 37 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 Florence (33.0314°, -111.3873°, elevation 1,490 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).