Fresno weather in December

In December, Fresno sees average daytime highs of 26°C and overnight lows near 17°C, with 134 mm of rain across 12.5 wet days and about 11.7 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 10% of the time in December, and the air most often feels humid.

Daylight stretches from about 11 h 42 min at the start of December to 11 h 42 min by month's end. Set against the rest of the year, December is Fresno's 3rd-clearest and 8th-windiest month. For the whole year in context, see Fresno's year-round climate.

Daytime high
26°
11th warmest
Overnight low
17°
3rd coldest
Rainfall
134 mm
12.5 wet days
Daylight
11 h 42 min
6:05 AM – 5:47 PM
Cloud cover
75%
3rd clearest
Wind
4 km/h
8th windiest
Solar energy
4.81 kWh/m²
Travel score
5.9
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical December day in Fresno reaches about 26°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12617
22617
32617
42617
52617
62617
72617
82617
92617
102617
112617
122617
132617
142617
152617
162617
172617
182617
192617
202617
212617
222617
232717
242717
252716
262716
272716
282716
292716
302716
312716

Fresno weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 16°738.411.76.6
Feb27° / 17°618.511.86.3
Mar27° / 17°11112.4125.8
Apr27° / 17°11511.812.15.6
May27° / 17°859.712.26.0
Jun27° / 17°82.312.36.9
Jul28° / 17°61.712.36.9
Aug29° / 17°71.812.26.3
Sep29° / 17°315.7125.8
Oct27° / 17°1881411.95.4
Nov26° / 17°24017.511.85.1
Dec26° / 17°13412.511.75.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% 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 77%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11486
21486
31486
41486
51585
61585
71684
81783
91882
101882
111981
122080
132179
142179
152278
162278
172476
182476
192476
202674
212773
222872
232971
243070
253268
263268
273466
283466
293565
303565
313565

Chance of precipitation in December

Any precipitation

Fresno gets around 134 mm of rain over 12.5 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 41% and peaks near 52% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
152
252
351
451
550
649
749
848
948
1047
1146
1245
1345
1444
1543
1642
1741
1840
1938
2037
2136
2235
2334
2432
2531
2630
2730
2829
2929
3029
3129

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1823618
2823618
3824617
4924607
5924607
6925606
71025596
81025596
91026595
101126585
111126585
121127584
131127584
141127584
151228564
161228573
171328563
181329553
191429552
201430542
211530532
221631521
231731511
241832491
251932481
262033471
272133451
282233441
292333431
302333431
312333431

Wind in December

Winds average 4 km/h in December.

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

0246810151015202531
Wind speed (km/h)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 11 h 42 min at the start of December to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:58 AM to 6:12 AM, and sunset from 5:42 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:585:42
211.75:595:42
311.75:595:42
411.76:005:43
511.76:005:43
611.76:005:43
711.76:015:44
811.76:015:44
911.76:025:44
1011.76:025:45
1111.76:035:45
1211.76:035:46
1311.76:045:46
1411.76:045:47
1511.76:055:47
1611.76:055:47
1711.76:065:48
1811.76:065:48
1911.76:075:49
2011.76:075:49
2111.76:085:50
2211.76:085:50
2311.76:095:51
2411.76:095:51
2511.76:095:52
2611.76:105:52
2711.76:105:53
2811.76:115:53
2911.76:115:53
3011.76:125:54
3111.76:125:54

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.81 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 5.91 kWh/m² in August across the year — December's 4.81 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.9Bright
224.9Bright
234.9Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in December

Hazard calendar for Fresno

In seasonPeak

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

Fresno's rainy season runs October–December, 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 Fresno?

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

5.9
Sightseeing
7th-best month of the year
5.8
Beach & pool
9th-best month of the year

December is a reasonable time to visit Fresno for sightseeing.

What to pack for Fresno in December

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

In December, Fresno sees daytime highs around 26°C and nights near 17°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Fresno in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Fresno peaks around February 21 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 21UV 16Jun 17UV 12
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr13Extreme
May14Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep15Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Fresno 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 Fresno is worst in March — around 31 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1730 µg/m³Jul 1320 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb26Moderate
Mar31Moderate
Apr27Moderate
May23Moderate
Jun21Moderate
Jul20Moderate
Aug23Moderate
Sep24Moderate
Oct21Moderate
Nov20Moderate
Dec21Moderate
Location & terrain

Where is Fresno?

Fresno sits at 5.2°N, 75.0°W, 1,467 m above sea level, in Colombia. The nearest listed city is Padua, 12 km away.

Topography around Fresno

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Fresno.

Within 3 km, the terrain around Fresno has large variations in elevation — a maximum elevation change of 1,017 m around an average of 1,388 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,399 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,113 m.

The land around Fresno is covered by trees (76%) and grassland (21%) within 3 km, trees (80%) within 16 km, and trees (68%) and grassland (30%) within 80 km.

3 km
1,017 m
16 km
2,399 m
80 km
5,113 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Padua 12 km · San Sebastián de Mariquita 17 km · Manzanares 17 km · Líbano 26 km · Honda 34 km · Lérida 35 km · Guaduas 50 km · La Dorada 53 km

Colombia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 / 240 V · 60 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$8,562
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
74%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
15.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 480
Religion
Roman Catholic 64%Protestant 17%none 14%atheist 1%

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 Fresno (5.1526°, -75.0362°, elevation 1,467 m), 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).