Guasave weather in December

In December, Guasave sees average daytime highs of 27°C and overnight lows near 13°C, with 15 mm of rain across 1.9 wet days and about 10.4 hours of daylight. It is the 10th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 26°C by the end. The sky is clear or mostly clear about 55% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 30 min at the start of December to 10 h 24 min by month's end. Set against the rest of the year, December is Guasave's 9th-clearest and 7th-windiest month. For the whole year in context, see Guasave's year-round climate.

Daytime high
27°
10th warmest
Overnight low
13°
3rd coldest
Rainfall
15 mm
1.9 wet days
Daylight
10 h 24 min
6:58 AM – 5:22 PM
Cloud cover
40%
9th clearest
Wind
9 km/h
7th windiest
Solar energy
4.09 kWh/m²
Travel score
7.9
out of 10

Guasave is municipal seat of Guasave, State of Sinaloa, Mexico.

Founded
1595

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 28°C in the first days to 26°C by the end.

A typical December day in Guasave reaches about 27°C in the afternoon and slips back to 13°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 30°C. Set against its neighbours, December runs about 4°C cooler than November and on par with January.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12915
22915
32915
42815
52815
62814
72814
82814
92814
102814
112814
122714
132714
142714
152713
162713
172713
182713
192713
202713
212713
222713
232713
242713
252613
262612
272612
282612
292612
302612
312612

How December really feels in Guasave

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
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.

Guasave weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 13°151.610.68.2
Feb27° / 13°141.611.18.1
Mar29° / 14°30.411.87.4
Apr31° / 16°10.312.66.1
May33° / 19°10.113.24.9
Jun34° / 24°6113.63.8
Jul35° / 27°701013.42.5
Aug35° / 27°11415.512.92.2
Sep34° / 26°11313.112.22.7
Oct34° / 23°333.411.43.5
Nov31° / 17°312.210.85.6
Dec27° / 13°151.910.47.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26733
36634
46634
56535
66535
76535
86634
96634
106733
116733
126733
136733
146832
156832
166733
176733
186733
196733
206634
216634
226634
236634
246535
256535
266535
276634
286634
296634
306733
316733

Chance of precipitation in December

Any precipitation

Guasave gets around 15 mm of rain over 1.9 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 6% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
18
28
38
48
57
67
77
87
97
106
116
126
136
146
156
166
176
186
196
206
216
226
236
246
256
266
276
285
295
305
315

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 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13533256
23733246
33833236
43933235
54033225
64133224
74233214
84332214
94532204
104631193
114731193
124930183
135030173
145329162
155528152
165628142
175827132
186126121
196226111
206425101
216425101
22652591
23662581
24662581
25672571
26672571
27682570
28672670
29672670
30672670
31662770

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 30 min at the start of December to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:48 AM to 7:04 AM, and sunset from 5:19 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.56:485:19
210.56:495:19
310.56:495:19
410.56:505:19
510.56:515:20
610.56:515:20
710.56:525:20
810.56:535:20
910.46:535:20
1010.46:545:21
1110.46:555:21
1210.46:555:21
1310.46:565:21
1410.46:565:22
1510.46:575:22
1610.46:585:22
1710.46:585:23
1810.46:595:23
1910.46:595:24
2010.47:005:24
2110.47:005:24
2210.47:015:25
2310.47:015:25
2410.47:025:26
2510.47:025:26
2610.47:025:27
2710.47:035:28
2810.47:035:28
2910.47:045:29
3010.47:045:29
3110.47:045:30

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.09 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.09 kWh/m² to a high of 7.93 kWh/m² in May across the year — December's 4.09 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.0Bright
144.0Bright
154.0Bright
164.0Bright
174.0Bright
184.0Bright
194.0Bright
204.0Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in December

Hazard calendar for Guasave

In seasonPeak

None of Guasave's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Guasave sits in the eastern Pacific hurricane zone; the season peaks August–September.

Pacific hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Guasave?

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

7.9
Sightseeing
3rd-best month of the year
8.2
Beach & pool
6th-best month of the year

December is one of the better times to visit Guasave for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Guasave in December

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

In December, Guasave sees daytime highs around 27°C and nights near 13°C. Pack light clothes.

light clothes

Sea temperature near Guasave in December

The nearest coast averages about 22°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 km away) is warmest in August at about 30°C and coldest in February near 20°C.

It's comfortable for a long swim from Mar 17 to Jan 13 — about 10 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Cool
Feb20Cool
Mar20Cool
Apr22Refreshing
May25Warm
Jun28Warm
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov25Warm
Dec22Refreshing

UV index in Guasave in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guasave peaks around July 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 17UV 12Dec 19UV 5
UV index (midday)Level
Jan5High
Feb7High
Mar9Very high
Apr11Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep11Extreme
Oct8Very high
Nov6High
Dec5Moderate
Location & terrain

Where is Guasave?

Guasave sits at 25.6°N, 108.5°W, 19 m above sea level, in Mexico. The nearest listed city is Gabriel Leyva Solano, 20 km away.

Topography around Guasave

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

Within 3 km, the terrain around Guasave has only modest variations in elevation — a maximum elevation change of 19 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 34 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,603 m.

The land around Guasave is covered by artificial surfaces (47%) and cropland (28%) within 3 km, cropland (82%) within 16 km, and cropland (30%), water (26%) and trees (24%) within 80 km.

3 km
19 m
16 km
34 m
80 km
1,603 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
December weather nearby: Gabriel Leyva Solano 20 km · Guamúchil 41 km · Juan José Ríos 41 km · Los Mochis 59 km · Navolato 118 km · Licenciado Benito Juárez 138 km · Culiacán 138 km · Costa Rica 154 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 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 Guasave (25.5679°, -108.4695°, elevation 19 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).